JP2023031910A - Construction planning system - Google Patents

Abstract

To provide a more convenient and versatile technique.SOLUTION: A construction planning system 100 includes user terminals 102, 104. The user terminals 102, 104 are configured to receive an input of site information on a planned construction site of a building, and acquire construction information on construction conditions in the planned construction site, from an external institution 106, on the basis of the received site information. The user terminals 102, 104 are configured to generate a building model in a server device 110 by providing the site information and the construction information to the server device 110. The user terminals 102, 104 are configured to output outline information on a plan drawing, cost or construction period of the building, on the basis of the building model generated in the server device 110.SELECTED DRAWING: Figure 1

Description

Patent Law Article 30, Paragraph 2 application filed [Date of publication] July 7, 2021 [Place of publication] Musashi Seimitsu Industry Co., Ltd. Head Office / Ueda Factory (39-5 Daizen, Ueda-cho, Toyohashi, Aichi) [ Release date] July 15, 2021 [Publication place] Web conference hosted by Fujita Co., Ltd. [Publication date] July 29, 2021 [Publication place] Fukuda and Partners Co., Ltd. Headquarters (Nihonbashi, Chuo-ku, Tokyo 7-2 Koamicho Pentel Building 8F)

The present invention relates to a construction planning system that automatically plans the construction of a building.

Conventionally, a prior art of a CAD system for automatically designing a building corresponding to site information is known (see, for example, Patent Document 1). In this prior art, when site information and building type information that define a site are acquired, group defining information applied to the acquired site information is extracted from a storage unit, and a possible space for a building that can be constructed on the site. is calculated, the building is automatically CAD-designed within the possible space.

JP 2013-228825 A

In prior art systems, individual unit information required for automatic CAD design is stored in advance in a storage unit, and the individual units read from the storage unit are combined in a possible space to automatically design a building. For this reason, the types of buildings that can be automatically designed are naturally restricted only within the range of the individual unit information stored in the storage unit, and other variations cannot be developed, resulting in poor convenience. be. In addition, since the automatically designed building consists only of individual unit information unique to the system, the completed CAD data can only be used within the system, and it lacks versatility.

Accordingly, the present invention provides a technique that is more convenient and highly versatile.

The present invention provides the following construction planning system. This construction planning system comprises input means and acquisition means. Among these, the input means receives the input of site information related to the planned construction site of the building, and the acquisition means receives construction information (collective regulations Acquire some information that can be obtained from various laws and regulations including information, local government ordinances, etc.

Further, the construction planning system of the present invention comprises providing means, and the providing means provides the site information for which the input is received and the acquired construction information to the external computer. An external computer executes a program capable of generating a building model. Thus, the construction planning system can cause the external computer to generate a building model that can be constructed on the planned construction site and that conforms to the construction conditions of the planned construction site. The configuration of the external computer may be included in the construction planning system of the present invention, in which case the above program is executed in the system.

The construction planning system then has output means. The output means outputs summary information relating to at least one of the building plan, the cost required for construction, and the construction period, based on the building model generated by the external computer.

In this way, the construction planning system of the present invention provides only necessary information from the providing means, and the building model is generated by a general-purpose program (for example, a mode executed by an external computer). Therefore, the data of the building model as a product can be freely extracted and utilized, and convenience and versatility can be enhanced. For example, the extracted three-dimensional data of the building model can be output as an intermediate file and used for other programs (environment simulation, computer graphics creation, video editing, etc.).

Further, by utilizing the building model generated in this manner by the output means, it is possible to improve the convenience of outputting the overview information. That is, if the data of the generated building model is general-purpose three-dimensional data, for example, this three-dimensional data can be diverted to another design program to draw building plan drawings (plan drawings, perspective drawings), or It becomes easy to convert it to the construction cost trial calculation program to calculate the cost required for construction, or to convert it to another construction period calculation program to calculate the construction period required for construction. , it is possible to freely customize the contents of the summary information to be output by the output means.

The construction planning system of the present invention can accept, as site information, any one of map coordinate data, CAD data, and image data representing the shape of the site of the construction planning site by the input means. As a result, if map coordinates are known in advance, coordinate data can be input, and if CAD data are available, the data file can be input. Even if there are no map coordinates or CAD data, Image data representing the shape of the site (image data captured by a camera may also be used) can be input, so convenience and versatility can be further improved.

In addition, the construction planning system of the present invention can acquire, as construction information, the ordinances established by the local government having jurisdiction over the construction planning site in addition to the group regulation information applied to the construction planning site by the acquisition means. In this case, the providing means can generate a building model that conforms to the construction conditions based on the group regulation information and ordinance provided as the construction information. As a result, it becomes possible to comprehensively consider some other ordinances such as local governments' greening ordinances and parking lot ordinances in addition to the group regulation information, and the practicality of the generated building model can be enhanced.

According to the construction planning system of the present invention, based on the site information and construction information provided by the providing means, a program executed by an external computer calculates a possible building space, and a plurality of reference boxes are generated in the possible space. are arranged three-dimensionally, and after performing processing to change the arrangement of only the reference boxes that exceed the conformity range of the construction conditions at the construction plan site, multiple Generate a building model consisting of an aggregate of unit blocks.

In this case, the building model is generated, for example, in the following manner.
(1) Based on the provided information, the possible space for the building to exist within the construction planning site is calculated. At this time, in addition to the group regulation information and various ordinances applied to the construction project site, the possible space is obtained after taking into consideration the roadway, the truck stop position, and the like.
(2) Using the obtained possible space as a reference box, a plurality of unit blocks are three-dimensionally arranged in this reference box. For example, starting with the placement of unit blocks from the center of the planned construction site (site), the unit blocks are placed along the largest quadrangle (co-circular quadrilateral) inscribed in the site, and then placed within the possible space (reference box). I'm going to stack it up.
(3) At this time, if the construction condition conformity range is exceeded at the construction site, the mass of the reference box is reduced, or only the unit blocks that exceed the conformity range are rearranged.
(4) The reference boxes (possible spaces) of (1) to (3) above serve as a large framework for building restrictions based on group regulation information and others.
(5) Then, by piling up unit blocks in the reference box (possible space), a building model made up of an aggregate of unit blocks is generated.

In the process of (1) above, the reference box is placed from the center of the site, the possible space is calculated along the largest square (from the maximum area of the cyclic quadrilateral), and the reference box is three-dimensionally Although it is arranged, if it does not conform to the construction conditions such as group regulation information and various regulations, the arrangement of the reference box is changed and the final possible space is calculated.

The construction planning system of the present invention provides a building model, which is generated in a data format in which a plurality of unit blocks are three-dimensionally integrated, with an attribute according to the use in the building for each unit block, and The output means outputs the summary information.

As mentioned above, in the construction planning system, unit blocks are the units that make up a building model. Attributes as a building model such as pillars and walls are added, and then room attributes such as "warehouse" and "office" are added to the space surrounded by the pillars and walls. For this reason, compared to a mode in which units whose uses are determined in advance are combined, the frontage and depth inside the building model can be set more freely, and their dimensions can be easily adjusted.

According to the present invention, it is possible to provide a construction planning system that is more convenient and highly versatile.

1 is a block diagram showing a configuration example of a construction planning system 100; FIG. 4 is a flowchart showing an operation outline of the construction planning system 100; 3 is a diagram showing an example of an output result obtained through automatic design of the construction planning system 100; FIG. 4 is a sequence diagram showing various processes of the construction planning system 100; FIG. It is a flow chart which shows an example of a procedure of site shape input processing. It is a figure which shows the example in the case of inputting a lot shape as handwritten data. 4 is a flow chart showing an example of a procedure of building volume generation module processing executed by the server device 110. FIG. FIG. 4 is a diagram showing a volume generation image of a building model; It is a figure which shows the legal regulation check image of a building volume. 6 is a flow chart showing an example of a procedure of cost calculation processing executed by a cost calculation module 140 of the server apparatus 110; 4 is a flow chart showing a procedure example of a process chart calculation process executed by a process chart creation module 150 of the server device 110. FIG. 6 is a flow chart showing an example of the procedure of display processing executed by a dedicated application of the user terminal 102. FIG.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described with reference to the drawings. Although a preferred example of a construction planning system is given in the following embodiment, the form of the present invention is not limited to the example.

[System configuration example]
FIG. 1 is a block diagram showing a configuration example of a construction planning system 100. As shown in FIG. FIG. 1 also shows the block configuration related to the operation of the construction planning system 100 together with the electronic devices used in the construction planning system 100 .

[Input/output device]
The construction planning system 100 basically includes input/output devices such as a tablet computer type user terminal 102 and a personal computer type user terminal 104 . The construction planning system 100 uses user interfaces (GUIs) installed in the user terminals 102 and 104 to accept input operations from users and to display output results on their displays. These user terminals 102, 104 are installed with application software, APIs (application program interfaces), etc., which constitute the functional elements of the construction planning system 100. In the user terminals 102, 104, etc., various application softwares, APIs etc., the construction planning system 100 functions. The user terminal 102 may be in the form of a smartphone or the like, and the user terminal 104 may be a desktop personal computer.

[Information communication environment]
An information communication environment (information communication network) is preferably used for operation of the construction planning system 100 . The information communication environment includes, for example, a world-open network 104 such as the Internet, and a private network 106 such as LAN and VPN. In the example of FIG. 1, the user terminals 102 and 104 are connected only to the private network 106 and access the network 104 such as the Internet through a gateway (not shown). Alternatively, the user terminals 102 and 104 may access a network 104 such as the Internet through a public line. In addition, the information communication environment includes wired and wireless line connections.

[External computer]
For operation of the construction planning system 100, for example, a server device 110 placed on a private network 106 can be preferably used. The server device 110 functions as an application server for the user terminals 102 and 104 and reduces resource loads on the user terminals 102 and 104 . In this embodiment, the server device 110 is positioned outside the construction planning system 100, so that the construction planning system 100 can use it as an external computer.

The server device 110 has a plurality of databases DB1 to DB5 and a control module section 120 in which a plurality of program modules are installed. A BIM management unit 130 (a block indicated as “BIM” in the figure) is constructed in the control module unit 120 . The BIM management section 130 is a section that executes dedicated program modules specialized for BIM (Building Information Modeling), such as a building volume generation module 132 and a regulation confirmation module 134 in the control module section 120 . In addition, the control module unit 120 executes dedicated program modules, such as a cost calculation module 140 and a construction schedule creation module 150, which are specialized for each purpose of use.

A dedicated storage area is assigned to each of the various program modules described above. That is, the database DB2 is assigned to the building volume generation module 132 of the BIM management unit 130, and the database DB3 is assigned to the regulation confirmation module 132. FIG. Further, the database DB4 is assigned to the cost calculation module 140, and the database DB5 is assigned to the construction schedule creation module 150. FIG. The database DB1 is assigned as an information storage area within the construction planning system 100. FIG. It should be noted that the databases DB1 to DB5 may have a configuration in which sectors are divided within a physically identical storage medium.

〔External agency〕
A predetermined external organization 160 is also preferably used for operation of the construction planning system 100 . The external organization 160 has, for example, a GIS database 162 open to the public, and this GIS database 162 can be accessed from the construction planning system 100 through the network 104 . The GIS database 162 stores a large amount of geographical information such as map information and city planning information, as well as data such as hazard maps of various disasters and ground information.

[Overview of operation]
FIG. 2 is a flow chart showing an outline of the operation of the construction planning system 100. As shown in FIG. The operation of the construction planning system 100 of this embodiment is based on the automatic design of a building at a desired construction planning site. That is, when the construction planning system 100 accepts data input from the user using the user interface (GUI) mounted on the user terminals 102 and 104 (step S100), it acquires GIS data from the external organization 106 (step S102). After that, the server apparatus 110 executes various main processes (steps S104, S106, and S108), and outputs and displays the results on the user terminals 102 and 104 (step S110). The outline of the operation will be further described below.

[Flow of automatic design]
Step S100: The user terminals 102 and 104 receive the input of the site information regarding the planned construction site where the construction of the building is planned.
Step S102: At the time of data input, GIS data relating to site information is acquired from the external organization 106 as well. From the GIS data, we can obtain site information such as accurate map coordinates, topography, and orientation of the planned construction site, as well as construction information regarding construction conditions such as group regulation information and various ordinances that apply to the planned construction site.
The site information and construction information entered as data are provided to the server device 110, and the following processing is executed.

Step S104: Generate the volume of a building that can be constructed on the planned construction site (automatically design the building model).
Step S106: Calculate the cost required for construction from the automatically designed building model (construction rough estimate).
Step S108: Create a construction process chart from the automatically designed building model (automatic process creation).
The results of the above processing are returned from the server device 110 to the user terminals 102 and 104 .

Step S110: The user terminals 102 and 104 display the results of the automatic design (building outline, cost outline, construction period outline, etc.).

[Summary of output results]
FIG. 3 is a diagram showing an example of an output result obtained through the automatic design of the construction planning system 100. As shown in FIG.
For example, when the tablet-type user terminal 102 is used to execute automatic design processing, an overview of the construction plan such as a building plan BP, a building perspective PS, and a cost construction schedule CT is displayed on the screen of the user terminal 102 as an output result. Information is displayed. The summary information can be displayed/hidden/screen-switched appropriately by GUI operation on the user terminal 102, and can be used for convenience of viewing. Further, the result of automatic design can be sent as data from the user terminal 102 to a third party (for example, a customer) by e-mail or the like.

[Processing sequence]
FIG. 4 is a sequence diagram showing various processes of the construction planning system 100. As shown in FIG. Although the outline of the operation in FIG. 2 shows a bird's-eye view of the processing flow of the construction planning system 100 as a whole, here, the processing sequence performed for each subject of action is shown.

[User terminal processing]
Step S1: Start data input at the user terminal 102 (104). Here, a procedure for user authentication (sign-in) is provided as an operational security measure. Therefore, first, input of a user ID and a password is required.
Step S2: Transmit the entered user ID and password from the user terminal 102 to the server device 110 and issue an authentication request.

[Server device processing]
Step S3: The server device 110 performs user authentication in response to the authentication request. For user authentication here, for example, a list of registered users is stored in the database DB1.
Step S4: When the user authentication is successfully performed, the server device 110 notifies the user terminal 102 of the authentication. Thereby, a session for automatic design is established between the user terminal 102 and the server device 110 .

[User terminal processing]
Step S5: The user terminal 102 inputs site information about the planned construction site. In the operation outline of FIG. 2, this corresponds to the start of processing corresponding to data input (step S100). The site information is input by, for example, site shape coordinate data, CAD data, PDF data, image data, etc. Details will be described later.
Step S6: Transmit the input data of site information from the user terminal 102 to the external organization 106 .

[External agency processing]
Step S7: The external organization 106 searches the GIS database 162 for map information based on the transmitted site information.
Step S8: Map information (GIS data) is provided from the external organization 106 to the user terminal 102. FIG.

[User terminal processing]
Step S9: Refer to the map information (GIS data) and input detailed site information on the user terminal 102 . The input of the site shape will be further described later.
Step S<b>10 : Transmit the input (confirmed) site information from the user terminal 102 to the external organization 106 .

[Server processing]
Step S11: In the server device 110, the regulatory confirmation module 134 retrieves construction conditions (construction information) from the database DB3 based on the transmitted site information. The construction conditions include group regulation information applied to the construction plan site as described above, various ordinances established by the local government having jurisdiction, and the like. Note that the processing here may be performed by the external organization 106 .
Step S12: The server device 110 notifies the user terminal 102 of the search result regarding the construction conditions. When the external organization 106 acquires the construction conditions, the external organization 106 notifies the user terminal 102 of the search result.

[User terminal processing]
Step S13: At the user terminal 102, an object to be considered is selected and input from the notified construction conditions. For example, legal regulation information applied to the construction planning site of the input data includes building coverage ratio, floor area ratio, oblique line regulation, height restriction, sunshade regulation, greening ordinance, local government (Tokyo Metropolitan Government at the time of adoption of this embodiment) parking lot ordinance. , and other regulations set for each region are notified in a list, the user selects items to be considered from the list and inputs them as selection data. Also, here, the designated number of parking lots, truck stops (berths), etc. can be input as selection data. The specified number of units will be secured within a range that does not interfere with the floor area ratio of the building on the planned construction site.
Step S<b>14 : Transmit the input selection data from the user terminal 102 to the server device 110 .

[Server processing]
Step S15: In the server device 110, the data so far are stored in the database DB1.
Step S16: Automatic design is started in the server device 110 to generate a building model. The generation of the building model will be further described later.
Step S17: The server device 110 calculates the construction cost from the generated building model and creates a construction schedule. Cost calculation and process chart creation will also be described later.
Step S18: In the server device 110, the data up to this point are stored in the database DB1.
Step S19: Then, the server device 110 transmits data of the automatic design result to the user terminal 102 .

[User terminal processing]
Step S20: Display the data transmitted from the server device 110 on the user terminal 102 . In the operation outline of FIG. 2, this corresponds to processing corresponding to display (step S110).

[Optional processing]
The following optional processing can be preferably added to the processing sequence.
Step S21: The building model generated in step S16 is transmitted from the server device 110 to the user terminal 102 as appropriate.
Step S22: Check the building model on the user terminal 102, and if the contents are not what you want, the user inputs a re-output request.
Step S23: A re-output request is transmitted from the user terminal 102 to the server device 110. FIG. If there is a re-output request, the server device 110 executes step S16 again.

The processing sequence from the start to the end of automatic design has been described above, and the details of individual processing will be described below.

[Site shape input]
FIG. 5 is a flow chart showing an example of the procedure of site shape input processing. This processing corresponds to steps S5 and S9 executed by the user terminal 102 in the processing sequence of FIG. The site shape input process is implemented as dedicated application software in the user terminal 102 . An example procedure will be described below.

Step S200: The application of the user terminal 102 confirms whether the data input by the user's operation is coordinate data representing the shape of the site. If it is confirmed that the data is coordinate data (Yes), the process proceeds to step S202, but if it is other than coordinate data (No), the process proceeds to step S204.

[For coordinate data]
Step S202: When the input data of the site shape is coordinate data, the application of the user terminal 102 acquires the site range from the land information of the GIS data indicated by the coordinates. It should be noted that the GIS data has been provided by the external organization 106 in the previous processing sequence.

[For other than coordinate data]
Step S204: The application of the user terminal 102 confirms whether the data input by the user's operation is CAD data (for example, dxf format) representing the shape of the site. If it is confirmed that the data is CAD data (Yes), the process proceeds to step S206, but if it is other than CAD data (No), the process proceeds to step S208. The CAD data may be in formats other than dxf.

[For CAD data]
Step S206: When the input data of the site shape is CAD data, the application of the user terminal 102 acquires the site range from the GIS data overlapping the CAD data.

[For non-CAD data]
Step S208: The application of the user terminal 102 confirms whether the data input by the user's operation is image data (for example, image data in PDF format) representing the shape of the site. If the data is image data (Yes), the process proceeds to step S210. If the data is not image data (No), the process proceeds to step S212.

[For PDF data]
Step S210: When the input data of the site shape is image data such as PDF, the application of the user terminal 102 acquires the site shape by superimposing the acquired image and the GIS data. For example, with the image data displayed on the screen 102a as a background, processing is performed to generate line drawing data in which the shape of the site is traced. Note that a manual input operation by the user may be requested as appropriate here.

[For non-PDF data]
Step S212: The application of the user terminal 102 inputs the site shape as handwritten data. Here, for example, a sheet of paper on which the site shape is printed or a sheet of paper output by a printer is imaged by a camera or the like built in the user terminal 102, and is input as image data.
Step S214: The application of the user terminal 102 acquires the site shape from superimposition of the image acquired by the camera and the GIS data. Here, as a necessary user operation, an operation input of tracing a line representing the shape of the site on the GUI of the user terminal 102 using an image acquired by the camera as a draft is performed as appropriate. Alternatively, the application may perform image recognition (analysis) processing from the image acquired by the camera, and automatically calculate the shape of the site.

Step S216: Then, the application of the user terminal 102 performs final alignment and correction (distortion correction, resolution correction, binarization correction, etc.) of the acquired image.
After executing the above procedure, the user terminal 102 continues the processing sequence.

[Example of inputting handwritten data]
FIG. 6 is a diagram showing an example of inputting a site shape as handwritten data.
(A) in FIG. 6: The application of the user terminal 102 activates the built-in camera 102b. While looking at the screen 102a, the user aligns the paper CP on which the site shape ST is printed, etc., with the imaging range of the camera 102b, and taps the imaging button 102c at an appropriate timing.
(B) in FIG. 6: The application of the user terminal 102 inputs the site shape handwritten data DT through the user's operation or the like as described above, based on the image IM obtained by the camera 102b. Note that the data DT may be automatically converted by image recognition.

[Building volume generation module processing]
FIG. 7 is a flow chart showing an example procedure of building volume generation module processing executed by the server device 110 . This process corresponds to step S16 (building model generation) executed by the server apparatus 110 in the process sequence of FIG. 7 is executed by the building volume generation module 132 and the legal regulation confirmation module 134 of the BIM management unit 130. FIG. An example procedure will be described below.

Step S300: The building volume generation module 132 loads the input data saved in the database DB1. The input data to be loaded is the data saved in step S15 of the processing sequence in FIG.

Step S302: Next, the building volume generation module 132 calculates the possible building space. For example, the following rule (algorithm) is used to calculate the possible space.
(1) The possible space for the building is calculated from the maximum area of the largest quadrilateral (co-circular quadrilateral) inscribed in the construction plan site so that the building model has the maximum area within the construction plan site (building site). However, the possible space shall be calculated after taking into account legal regulations, roadways, green areas, parking lots, truck stop positions, etc. As described above, the designated number of parking lots and truck stops (berths) is ensured within a range that does not interfere with the floor area ratio.
(2) When there are multiple land areas on the site, the fact is once returned to the user terminal 102, the user terminal 102 performs an operation to divide the area, and the divided area is uploaded to the server device 110 again. demand that At that time, since the building coverage ratio and floor area ratio may differ for each of the uploaded divided areas, the building volume generation module 132 automatically performs proportional division calculation according to the area area.
(3) Regarding division of the area, it is also possible to divide the area outside the premises if regulations differ outside the premises regarding shade.

Step S304: The building volume generation module 132 generates the volume (capacity) of the building model within the possible space calculated in step S302.
Step S306: Also, the legal regulation confirmation module 134 checks whether or not the volume of the generated building model complies with legal regulations. If the regulation is cleared (Yes), the process proceeds to step S308, but if the regulation is not cleared (No), the process returns to step S304 and loop processing is performed.
Step S308: Within the volume of the building model that has cleared the legal regulations, unit blocks made up of other three-dimensional data are accumulated without gaps to generate a building model made up of an aggregate of unit blocks. Furthermore, attributes such as "pillar", "wall", "floor", and "ceiling" are given to each unit block, and the Attributes such as "warehouse", "office", "passageway", etc. are given to the area as an indoor space (room) to generate the final output of the building model (result of automatic design). The generated building model is temporarily stored in the database DB2. In addition, the temporarily stored building model can be transmitted from the server device 110 to the user terminals 102, 104 and the like as needed outside of this process.

As a result, the building model automatically designed by the construction planning system 100 is generated using, for example, the following algorithm.
(1) Place a reference box made up of three-dimensional data of a reference size in the existable space converted into data, and generate a large volume for legal regulation check of the building model (step S304).
(2) A method of checking the volume of the generated building model with legal regulations, and if there are parts that do not comply with the regulations, reduce the mass of the reference blocks or move their positions so as to comply with the regulations. to adjust the volume (step S308). Here, the three-dimensional space on the data in which the reference boxes are arranged becomes a large framework for architectural restrictions based on group regulation information and others.
(3) After that, unit blocks are densely accumulated so as not to exceed the generated volume, and a building model is generated.
(4) Give attributes to individual unit blocks to obtain a complete building model.

Step S310: The building volume generation module 132 confirms whether or not a re-output request has been received. The re-output request is transmitted from the user terminal 102 in the optional process (step S23) of the process sequence of FIG. If there is a re-output request (Yes), the process returns to step S304 to redo the process. If there is no re-output request (No), the process proceeds to step S312.

Step S312: The building volume generation module 132 stores the building model as a product in the database DB1.
After executing the above procedure, the building volume generation module 132 continues the processing sequence.

[Building model generation image]
FIG. 8 is a diagram showing a generated image of a building model.
(A) in FIG. 8: A unit block BX is placed from the center of the planned construction site (site) ST. At this time, in the construction plan site ST, for example, after considering the parking lot PK and legal regulations, a symmetrical quadrangle SQ having the maximum area is defined, and the above reference box (building volume) is defined. there is
(B) in FIG. 8: The unit blocks BX are arranged in the horizontal direction along the symmetrical quadrilateral SQ. It should be noted that, when forming the first floor of the building model, it is assumed that legal and regulatory checks are being carried out from the boundary line of the construction plan site ST.
(C) in FIG. 8: A three-dimensional model is generated by arranging the unit blocks BX also in the vertical direction. First, the mass model using the reference box is checked for legal regulations as described above, and if there is an arrangement that fails the legal regulation check, the mass model is reduced to comply with the legal regulation, or the legal regulation , and execute loop processing of (C)→(B)→(C). In addition, in FIG. 8(C), a buildable space that clears the legal regulations is first set, a unit box BX is arranged in the buildable space, and the loop processing of (C) → (B) → (C) is performed. may be performed.

[Regulation check image]
FIG. 9 is a diagram showing a legal regulation check image of a building volume. Note that the site shape in FIG. 9 is different from that in FIG.

As described above (see FIG. 8), the unit blocks BX are accumulated along the symmetrical quadrilateral SQ defined in the construction plan site (site) ST to generate a three-dimensional building model. At this time, if there is a partial NGB that does not comply with some laws and regulations in the reference box BB of the general framework, the arrangement of such an incompatible partial NGB is changed (the entire reference box may be reduced, or the arrangement may be shifted). is also good.).

[Unit block details]
As described above, the building model is finally generated using the unit blocks while checking legal regulations using the reference box. A unit block is also a cube made up of three-dimensional data in the data space, and an image of accumulating unit blocks is as shown in FIG. Alternatively, the range of the reference box may be determined by first performing a legal regulation check using the reference box, and the building model may be generated using unit blocks within the reference box.

However, the unit block has a dimension on individual data such that attributes as various constituent elements are individually given in the building model. Specifically, when there are unit blocks arranged at equal intervals within one floor (same plane) of the building model and given attributes as pillars, the area of one section (grid) surrounded by four pillars is is less than 125 m ² , the dimension per side of the unit block is determined. In addition, when there are unit blocks that are assigned the attributes of walls or fire shutters on one floor (on the same plane), the area of the area surrounded by the walls or fire shutters must be ^1500m2 or less. is set, the dimensions of the unit block are determined.

[Grid image]
The image of one section surrounded by four pillars is an image of a section surrounded by four pillars, for example, in the building plan BP in FIG. becomes. Therefore, a unit block is of a size that allows a single "pillar" to be formed by an aggregate seen in the horizontal direction within a certain plane, and is formed by arranging four such "pillars" in a square. Individual dimensions will be determined so that the floor area of the compartment will be less than 125 m ² .

[Cost calculation process]
FIG. 10 is a flow chart showing an example of the procedure of cost calculation processing executed by the cost calculation module 140 of the server device 110 . This process corresponds to step S17 (cost calculation) executed by the server apparatus 110 in the process sequence of FIG. An example procedure will be described below.

Step S400: The cost calculation module 140 takes in the building model (volume data) stored in the database DB2 or DB1.
Step S402: Next, the cost table of the database DB4 is appropriately referred to and the cost calculation module process is executed. For this process, for example, a cost calculation program (commercially available) provided by a third party can be preferably used. Such a program automatically creates an estimate based on an automatically designed building model, assuming interior and exterior finishes.
Step S404: Then, the calculation result is saved in the database DB1 and output to the user terminal 102. FIG.
After executing the above procedure, the cost calculation module 140 continues the processing sequence.

[Work schedule calculation process]
FIG. 11 is a flow chart showing an example of the procedure of the process chart calculation process executed by the process chart creation module 150 of the server device 110 . This process corresponds to step S17 (construction process chart creation) executed by the server apparatus 110 in the process sequence of FIG. An example procedure will be described below.

Step S500: The process chart creation module 150 takes in the building model (volume data) stored in the database DB2 or DB1.
Step S502: Next, the process table of the database DB5 is appropriately referred to and the process table calculation module process is executed. Also for this process, for example, a suitable construction period calculation program (commercial product) provided by a third party can be preferably used. Such a program automatically calculates the appropriate construction period and creates a work schedule.
Step S504: Then, the calculation result is stored in the database DB1 and output to the user terminal 102. FIG.
After executing the above procedure, the process table creation module 150 continues the processing sequence.

[Display processing]
FIG. 12 is a flow chart showing an example of the display processing procedure executed by the dedicated application of the user terminal 102 . This process corresponds to step S20 (data display) executed by the user terminal 102 in the process sequence of FIG. An example procedure will be described below.

Step S600: The application of the user terminal 102 reads output data. Specifically, the result transmitted from the server device 110 in step S19 in the processing sequence is read out to a memory or the like. Note that the data stored in the database DB1 may be read here.

Step S602: If the display of the building plan/building perspective is selected by the user's operation (Yes), the process proceeds to step S604. Otherwise (No), the process proceeds to step S606.

[When building plan/building perspective display is selected]
Step S604: The drawing/outline/perspective/model etc. are displayed on the screen 102a of the user terminal 102. FIG. When the user terminal 102 is a device such as a tablet terminal, the display image is the building perspective view PS in FIG. BP etc. can also be displayed.

[When the above is not selected]
Step S606: If the cost display is selected by the user operation (Yes), the process proceeds to step S608. Otherwise (No), the process proceeds to step S610.

[When cost display is selected]
Step S608: Display the cost list on the screen 102a of the user terminal 102. FIG. The image of the display focuses on the cost part in particular in the cost schedule CT of FIG.

[When the above is not selected]
Step S610: If the process chart display is selected by the user's operation (Yes), the process proceeds to step S612. Otherwise (No), the process returns to step S602.

[When the process chart display is selected]
Step S612: The process chart is displayed on the screen 102a of the user terminal 102. FIG. The image of the display focuses on the process chart part in particular in the cost schedule CT of FIG.
After executing the above procedure, the user terminal 102 returns to the processing sequence and continues.

The construction planning system 100 of the embodiment described above can be used, for example, in the following forms.
That is, a sales representative of a construction business sets input conditions and selection conditions (site conditions, road conditions, laws and regulations, customer requests, etc.) from a user terminal 102 such as a mobile device (tablet, etc.) or a personal computer, A building model that can be built on the site of interest is formed in the server device 110, and the approximate cost of the building is calculated based on the plan/elevation/sectional view, perspective, design outline table, 3D model, and files extracted from the 3D model. , the construction period can be calculated, and the results can be displayed on the user terminal 102 .
As a result, there is no need to ask a specialist to design a building in order to consider what kind of building can be constructed on the target site. Information and proposals can be quickly provided from the customer to the customer.

Moreover, according to the construction planning system 100 of this embodiment, the following usefulness is obtained.
(1) The user terminals 102 and 104 only accept the input of site information and construction information, and then provide these information to the server device 110 to execute building model volume generation and building model generation by remote processing. Therefore, the processing load can be distributed.
(2) Since the core part of automatic design and regulation checking is entrusted to external dedicated programs (eg, Revit, ADS-BT), and the construction planning system 100 only operates as an API for these external programs. , the versatility of the building model from which the construction planning system 100 is obtained is high.
(3) The building model generated by the dedicated program can be easily diverted to other applications by retrieving it as 3D data, and can be smoothly developed to the cost calculation module 140 and the schedule creation module 150. .
(4) In addition, the extracted three-dimensional data of the building model can be output as an intermediate file and used for other program applications (environment simulation, computer graphics creation, animation editing, etc.).

(5) In addition, various modules (building volume generation module 132, legal regulation confirmation module 134, cost calculation module 140, process chart creation module 150) in the server device 110 are updated or modified as appropriate, so that the construction planning system 100 You can freely customize the content of the information to be output by .
(6) Since the site shape can also be input from handwritten data, even if paper-based site information cannot be prepared at the actual business site, the construction planning system 100 can be operated by converting this into image data. can be made As a result, speed and convenience can be further improved.

(7) By cooperating with the external organization 106, it is possible to acquire ordinances stipulated by the local government that has jurisdiction over the construction planning site in addition to the group regulation information that applies to the construction planning site. It is possible to generate a building model that conforms to construction conditions based on group regulation information and ordinances. As a result, it becomes possible to comprehensively take into consideration other local ordinances such as greening ordinances and parking lot ordinances in addition to the group regulation information, thereby further enhancing the practicality of the generated building model.

(8) Since the building model is initially generated from an accumulation of unit blocks, which are simply cubic data, the use of each unit block is not determined at the stage of stacking the unit blocks. After accumulating , we assign attributes such as pillars and walls to the unit block as a building model, and from there we assign the attributes of rooms such as "warehouse" and "office" to the space surrounded by the pillars and walls. can be given. Therefore, compared to a mode in which a 3D model is generated by combining units for which predetermined uses have been given in advance, the frontage and depth inside the building model can be set more freely, and their dimensions can be easily adjusted. can be done.
(9) Furthermore, in one floor of the building model, when there are unit blocks arranged at predetermined intervals and attributed as pillars, the dimensions of the unit block are the dimensions of one section surrounded by four pillars. It is determined so as to satisfy the condition that the area is less than ^125m2 . For this reason, even if there are structural restrictions on the building (for example, distribution warehouse) that is actually planned to be constructed, and the fire prevention section is defined to be 1500 m ² or less (= 12 × 125 m ² ), If the dimensions of the unit blocks are determined so as to satisfy the conditions, a building model that meets the structural constraints can be easily generated.

The present invention can be modified in various ways without being limited to the above-described embodiments.
In one embodiment, the construction planning system 100 has a distributed processing configuration, but it may have a configuration in which all the functions of the server device 110 are incorporated into the user terminals 102 and 104 . In this case, the construction planning system 100 does not provide the site information and construction information to the server device 110 (external computer), but to dedicated programs installed in the user terminals 102 and 104. Results such as automatic design results, estimated costs, and process charts can be obtained.

The server device 110 may be placed on a network 104 (cloud) such as the Internet. Or conversely, the server device 110 may be located at the same site as the user terminals 102 and 104 .

The user terminals 102 and 104 may be equipped with a function of displaying animation of the 3D data of the building model provided from the server device 110 . In this case, by moving the viewpoint camera not only to the automatically designed exterior of the building but also to the inside of the building, it is possible to preview the building to be constructed in a pseudo manner.

In one embodiment, a logistics warehouse was assumed as the building model, but the present invention can be applied to any type of building. Therefore, it goes without saying that the present invention can also be applied when planning construction of office buildings, housing complexes, multilevel parking lots, and the like.

100 construction planning system 102, 104 user terminal 104, 106 network 110 server device 120 control module unit 130 BIM execution unit 160 external organization

Claims (8)

an input means for receiving input of site information related to the planned construction site of the building;
Acquisition means for acquiring construction information regarding construction conditions at the construction planned site based on the site information received by the input means;
By providing the site information and the construction information to an external computer that executes a program capable of generating a building model based on the data, construction is possible at the construction planned site and conforms to the construction conditions at the construction planned site. a providing means for generating a building model based on data;
A construction planning system comprising output means for outputting outline information relating to at least one of a building plan, a cost required for construction, and a construction period, based on the building model generated by the external computer. In the construction planning system according to claim 1,
The input means
A construction planning system, wherein as the site information, any one of map coordinate data, CAD data, and image data representing the site shape of the construction planning site can be received. In the construction planning system according to claim 1 or 2,
The acquisition means is
As the construction information, in addition to group regulation information applied to the construction planned site, it is possible to acquire ordinances established by a local government having jurisdiction over the construction planned site,
The providing means is
A construction planning system that causes the external computer to generate a building model that conforms to construction conditions based on the group regulation information and ordinance provided as the construction information. In the construction planning system according to any one of claims 1 to 3,
The providing means is
Based on the site information and the construction information provided to the external computer, the external computer calculates the possible space of the building, and then three-dimensionally arranges a plurality of unit blocks in the possible space. On the other hand, a building consisting of an aggregate in which a plurality of unit blocks are densely packed in the possible space after performing processing to change the arrangement of only the unit blocks that exceed the construction condition compatible range at the construction plan site. A construction planning system characterized by generating a model. In the construction planning system according to any one of claims 1 to 4,
The output means is
By executing the program, a building model is generated in a data format in which a plurality of unit blocks are densely packed and three-dimensionally accumulated. , a construction planning system that outputs the summary information. In the construction planning system according to claim 4 or 5,
The unit blocks arranged by executing the program are the area of one section surrounded by four pillars when there are unit blocks arranged in the same plane of the building model at predetermined intervals and attributed as pillars. A construction planning system characterized in that dimensions on data are determined so as to satisfy a condition that is less than 125 m ² . In the construction planning system according to claim 4 or 5,
The unit blocks arranged by executing the above-mentioned program, when there is a unit block of arrangement to which attributes as walls or fire shutters are given in the same plane of the building model, the area of the area surrounded by the walls or fire shutters is A construction planning system characterized in that data dimensions are determined so as to satisfy a condition of 1500 m ² or less. In the construction planning system according to any one of claims 4 to 6,
A construction planning system, wherein unit blocks are arranged on the basis of a largest quadrangle inscribed in said construction planning site in accordance with execution of said program so that a building model has a maximum area within said construction planning site.

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