CN203096926U - A new substructure modular prefabricated frame structure - Google Patents

Abstract

The utility model discloses a novel frame construction is assembled in substructure module formula prefabrication, including building foundation substructure, a plurality of prefabricated plane frame substructure and precast beam substructure, prefabricated plane frame shelf structure is individual layer's prefabricated plane frame substructure, bilayer prefabricated plane frame substructure, the prefabricated plane frame shelf structure of striding more or the prefabricated plane frame substructure of striding more of multilayer, building foundation substructure, a plurality of prefabricated plane frame substructure and precast beam substructure are as an solitary prefabricated unit of assembling respectively, prefabricated plane frame shelf structure passes through prefabricated beam substructure or even tie beam connection combination, overlap joint floor between each layer, outside frame substructure's outside is provided with the exterior wall cladding.

Description

A new substructure modular prefabricated frame structure

technical field

The utility model patent relates to the technical field of civil engineering prefabricated concrete house construction, in particular to a frame structure reinforced concrete house assembled using prefabricated plane frame substructures. the

Background technique

The beam-column components of traditional reinforced concrete frame structure buildings are usually casted after the formwork is set up on the construction site. The components are reliable in connection, have good integrity and seismic performance, but the construction period is long and the management is complicated. The prefabricated assembly of frame structure buildings represents an advanced development direction. the

At present, my country's prefabricated frame buildings are often prefabricated by small and medium-sized component factories, such as prefabricated beam-column components, etc., which have obvious advantages, but there are also some problems. link, there is a certain degree of difficulty in quality control. With the development of modern large cranes and transportation tools, the use of medium and large prefabricated components can improve production and management efficiency. At present, the prefabricated parts are often assembled in places where the structural stress is complex and weak, such as beam-column joints. This is unfavorable for earthquake-prone areas. Researchers at home and abroad have proposed strategies to move the assembled parts outward. Realize the connection of prefabricated beam-column components, but for large prefabricated components, especially for column-column assembly, there is no feasible and reliable method. the

Due to many reasons, the current performance of prefabricated building structures is not as expected, such as poor safety performance in previous earthquakes, too many on-site assembly nodes and too concentrated. Therefore, it is urgent to make full use of the existing large-scale hoisting equipment. It is necessary to develop a new assembly structure that can realize the prefabrication of medium and large components, flexible and reasonable prefabricated structure styles, and reliable connections, so as to reduce on-site assembly nodes and improve the overall performance of the structure. And anti-seismic performance to meet the needs of the modernization of the housing industry. the

Contents of the invention

The purpose of this utility model patent is to propose a new type of substructure modular prefabricated assembled frame structure for the above-mentioned deficiencies in the prior art. Using the idea of substructure and large-scale hoisting equipment, a new type of substructure modular prefabricated assembled frame structure is proposed. Its assembly components include various types of prefabricated plane frame substructures and prefabricated beam substructures. The connection parts can be arranged in staggered levels and staggered spans, reducing the number of assembled nodes on site, improving the seismic performance of the structure, and overcoming some defects in the existing technology. . The house building with regular layout of plane and elevation adopts the prefabricated assembly of the plane frame substructure and beams of the utility model patent, which can realize the standardized production and effective quality control of the factory. the

Prefabricated buildings are prefabricated in the factory according to the design requirements, and then transported to the construction site for direct splicing. It overcomes many problems of cast-in-place concrete and has the advantages of rapid construction, high degree of industrialization and standardization. Therefore, with the increasing industrialization of construction and the emphasis on energy conservation and emission reduction, my country's prefabricated buildings have developed rapidly and represent a development direction. The utility model proposes a new assembling method of a typical frame structure house, simplifies the design and production process, and improves the construction speed. Compared with the prior art, the house built according to the utility model has the characteristics of good earthquake resistance. the

The technical problem that can be further solved by this utility model patent is that through the reasonable selection of the connection parts of beams and columns (this patent selects the vicinity of the inflection point and the place with a small bending moment), it can avoid complicated stress on the connection parts to ensure the connection. Effective and reliable, it solves the problem of poor seismic performance of prefabricated buildings that has been criticized by people. the

In order to achieve the above purpose, the technical solution adopted by the utility model patent is: a new substructure modular prefabricated assembled frame structure, which is characterized in that it includes a building foundation substructure, multiple prefabricated plane frame substructures and prefabricated beam substructures, The prefabricated plane frame substructure is single-story prefabricated plane frame substructure, double-layer prefabricated plane frame substructure, multi-span prefabricated plane frame substructure or multi-layer multi-span prefabricated plane frame substructure, building foundation substructure, Multiple prefabricated planar frame substructures and prefabricated beam substructures are used as a single prefabricated assembly unit. The prefabricated planar frame substructures are connected and assembled through prefabricated beam substructures or connecting beams. The exterior is provided with external wall hanging panels. the

The utility model also lies in that the single-layer prefabricated plane frame substructure is divided into the top prefabricated plane frame substructure, the standard layer prefabricated plane frame substructure, the internal prefabricated plane frame substructure, the side prefabricated plane frame substructure or corner The prefabricated planar frame substructure of the interior. the

The utility model also lies in that the prefabricated plane frame substructure of the top floor has no upper frame column, and the height of the lower frame column is selected at a place with a smaller bending moment, which is generally 1/2 storey height. the

The utility model also lies in that the height of the lower frame column of the prefabricated plane frame substructure of the bottom layer is 1/3 and 2/3 of the storey height, and the height of the connecting nodes is staggered through the difference of the column height, and the height of the upper column is 1/2 of the storey height . the

The utility model also is that the frame column height of the upper and lower parts of the prefabricated plane frame substructure of the middle layer is 1/2 story height. the

The utility model also lies in that there is no cantilevered short beam on the outer side of the prefabricated plane frame substructure on the side. the

The utility model also lies in that there are no cantilevered short beams on the two outer sides of the prefabricated plane frame substructure at the corner. the

The utility model also lies in that the upper and lower frame columns, frame beams and cantilevered short beams of the inner prefabricated plane frame substructure all exist. the

The utility model also lies in that the height or/and span of the double-layer or/and double-span prefabricated plane frame substructure structure form exceeds one floor or/and one span respectively on the basis of the single-layer prefabricated plane frame substructure, and is combined with The combination of single-layer and single-span realizes the arrangement of connecting nodes with staggered floors and staggered spans. the

The utility model also lies in that the prefabricated beam substructure and the prefabricated plane frame substructure are connected to form a frame through the cantilevered short beams on the prefabricated beam substructure and the prefabricated plane frame substructure, and the prefabricated beam substructure accounts for 1/2-3 of the actual span /4. the

The utility model also lies in that multiple prefabricated plane frame substructures are connected from bottom to top to realize the vertical layout of the building, and the cantilevered short beams on the prefabricated plane frame substructures are connected with the prefabricated beam substructures to realize the horizontal layout of the building. the

The utility model also lies in realizing dislocation arrangement of connection nodes through the combination of single-layer, double-layer and double-span prefabricated plane frame substructures. the

The utility model also lies in that the substructure of the building foundation is a natural foundation, an independent foundation under a column or a pile foundation, the substructure of the building foundation is cast-in-place or prefabricated, and a prefabricated single column is installed on part of the foundation, and the height of the single column is 2/3 The height of the ground floor and the height of the connection nodes of the frame substructure columns are staggered. the

The utility model also lies in that a prefabricated floor slab is assembled on the assembled prefabricated frame structure. the

The utility model also lies in that the assembled prefabricated plane frame structure is externally hung with a filling wall, and the filling wall is a thermal insulation filling wall. the

Compared with the prior art, the utility model patent has the following advantages:

(1) The combination of medium and large assemblies of prefabricated plane frame substructures and small assemblies of prefabricated beams is used to realize the construction of reinforced concrete houses. The use of such substructure assemblies can reduce the number of connection points of prefabricated assemblies and increase the construction speed. the

(2) The height of the prefabricated plane frame substructure column and the length of the prefabricated beam have a small basic bending moment. Refer to the inflection point. This measure can ensure that the connection part is in a relatively simple stress area, that is, the bending moment is small, and the main To bear the shear force and axial force, which can be satisfied by the dry process of pre-embedded steel plate or the wet process of post-cast concrete. The treatment of the utility model can effectively ensure the safety and reliability of the connection, and avoid the safety and quality of the stressed complex parts such as beam-column joints. the

(3) The connection of the utility model can be a dry connection or a wet connection. the

(4) The assembly process of the prefabricated plane frame substructure proposed by the utility model can realize the staggered layout of the connection joints through the combination of single-layer and multi-layer substructures, and the combination of single-span and multi-span substructures can realize the connection joints The staggered arrangement makes each floor and each span less than 50% of the dry or wet connection. The combination method proposed by the utility model can effectively improve the integrity and seismic performance of the assembly structure. the

(5) The utility model is typically characterized by prefabricated plane frame substructure assembly parts and dry or wet connection. The entire construction process of reinforced concrete houses can realize standardized production. The owner determines the type, number and style of the prefabricated plane frame substructure At the same time as the size and size, the design scheme is also selected, which simplifies the entire design process. It can be seen that the construction method proposed by the utility model has significant advantages such as standardized production process, simplified design process, and accelerated construction process, which can avoid repeated communication between the owner, designer, and construction party, and is suitable for the construction of frame structure buildings . the

Below in conjunction with accompanying drawing, the specific embodiment of the utility model patent will be further described. the

Description of drawings

Figure 1 is a schematic diagram of a reinforced concrete building assembled by prefabricated planar frame substructures. the

Fig. 2 is a three-dimensional schematic diagram of a prefabricated assembled reinforced concrete house foundation and a prefabricated single column. the

Figure 3-(1), Figure 3-(2), Figure 3-(3), Figure 3-(4), Figure 3-(5), Figure 3-(6) are prefabricated planar frame substructures assembled Single-story prefabricated planar frame substructure for house construction. the

Figure 4-(1), Figure 4-(2), Figure 4-(3), Figure 4-(4), Figure 4-(5), Figure 4-(6) are houses assembled from large prefabricated substructures The two-storey prefabricated planar frame substructure of the building. the

Figure 5-(1), Figure 5-(2), Figure 5-(3), Figure 5-(4), Figure 5-(5), Figure 5-(6) are houses assembled from large prefabricated substructures The one-way two-span prefabricated planar frame substructure of the building. the

Detailed ways

The utility model patent proposes a house assembly construction method based on a large prefabricated plane frame substructure, and its specific implementation process and method will be further explained in conjunction with the accompanying drawings. the

A novel substructure modular prefabricated assembled frame structure assembly method, characterized in that: (1) The whole building structure is divided into building foundation substructure, multiple prefabricated plane frame substructures and prefabricated beam substructures by adopting the idea of substructure modules , the prefabricated plane frame substructure is a single-story, double-layer or multi-story multi-span prefabricated plane frame substructure; (2) According to the hoisting capacity of the hoisting equipment and the building layout, each The substructure or prefabricated beam substructure is used as a separate assembly unit, and the structural form of the substructure assembly unit is determined for the purpose of reducing the number of on-site assembly nodes and improving the integrity of the building; (3) building foundation substructure, multiple prefabricated plane frames Substructure and prefabricated beam substructure are prefabricated in factories or construction sites as a separate assembly unit to improve construction quality; (4) The prefabricated plane frame substructure is connected and combined by connecting beams, and the floors are lapped between each floor. The exterior of the frame-type substructure is provided with external wall hanging panels; (5) The assembled nodes in the main direction of lateral force resistance in the frame plane are arranged on columns or beams, and after layered assembly, a whole multi-layer or high-rise frame is formed ; (6) The assembly nodes in the secondary direction of lateral force resistance in the frame plane are set on the beams, and the building is formed as a whole after the separate rooms are assembled in layers; (7) After the main structure of the frame is built, further install prefabricated large thermal insulation Insulation wall panels to realize the prefabricated construction of frame structure houses. The building constructed by assembling prefabricated plane frame substructures includes a building foundation, multiple prefabricated plane frame substructures of various types and prefabricated beam substructures. The prefabricated planar frame substructure is built layer by layer from bottom to top to realize the vertical layout of the frame structure building, and at the same time realize the connection joint layout of staggered floors and staggered spans by integrating single-story, double-layer, double-span and other forms; prefabricated through prefabricated beams The plane frame substructure is arranged continuously in the horizontal direction. After the frame main structure is built, prefabricated walls can be further installed to realize the assembly and construction of the frame structure house. the

It is also that the prefabricated planar frame substructure is divided into top floor, standard floor, interior, side or corner prefabricated substructure according to its position in the building construction. There are differences in the layout of the short bridge beams, which are mainly reflected in: ①The top floor prefabricated plane frame substructure has no upper frame columns, and the height of the lower frame columns is selected at a place with a small bending moment, generally 1/2 story height; ②The lower part of the bottom frame substructure The height of the frame column is 1/3 and 2/3 of the storey height, and the height of the connection joint is staggered by the difference of the column height, and the height of the upper column is 1/2 of the storey height; 1/2 storey height; ④There is no cantilevered short beam on one side outside the side frame substructure; ⑤There are no cantilevered short beams on the two outer sides of the corner frame substructure; ⑥The upper and lower frame columns and frame beams of the inner frame substructure and cantilevered short beams exist. the

Furthermore, the prefabricated beam substructure is connected with the prefabricated planar frame substructure through the cantilevered short beams to form a span of the house, and the prefabricated beam substructure accounts for 1/2-3/4 of the actual span. the

It also lies in that multiple prefabricated plane frame substructures realize the vertical layout of the building through dry or wet connection from bottom to top, and the cantilevered short beams on the prefabricated plane frame substructures are connected with the prefabricated beam substructures by dry or wet methods Realize the horizontal arrangement of the building. the

It is also that the building foundation substructure can be a natural foundation, an independent foundation under a column or a pile foundation, and the building foundation is cast-in-place or prefabricated, and prefabricated single columns are installed on some foundations, and the height of a single column is 2/3 of the height of the ground floor , to facilitate the height staggering of the frame substructure column connection joints. the

It also includes the following steps: a. Determine the type, style and number of prefabricated plane frame substructures, and the type and number of prefabricated beam substructures; b. Complete the construction of the building foundation, and install prefabricated single columns on the building foundation, and prefabricated The height of the column connection joints of the plane frame substructure is staggered; c. The bottom layer is staggered to arrange single-layer or double-layer prefabricated plane frame substructures, and then the prefabricated plane frame substructures are built vertically one by one, and the prefabricated plane arranged on the top floor is selected according to the difference in assembly height Frame substructure style, complete assembly and construction. The horizontal direction realizes the horizontal arrangement of multiple prefabricated plane frame substructures through the prefabricated beam substructure, and installs the prefabricated floor slabs during the horizontal construction process. The assembled nodes are connected by wet or dry methods; d. After the main structure of the frame is completed, prefabricated large thermal insulation wall panels can be further installed to realize the prefabricated assembly of frame structure houses. the

It also lies in that the shapes and numbers of the prefabricated planar frame substructures and prefabricated beam substructures in step a are determined by the owner, the design evaluation is completed by the design unit, or the standardized production is completed by the factory. the

Figure 1 is a three-dimensional schematic diagram of a reinforced concrete building assembled by prefabricated planar frame substructures, which is suitable for frame structure buildings. Figure 2 is a three-dimensional schematic diagram of the cast-in-place foundation and cast-in-place columns of a prefabricated reinforced concrete house. The house assembled using the utility model patent has a foundation that is cast-in-place or prefabricated, and prefabricated single columns are installed on part of the foundation. The height of the column is 2/3 of the height of the ground floor, and the single columns are arranged in a staggered manner, and the double-layer prefabricated plane frame substructure is used to build the upper layer, while the top floor adopts a single-layer and multi-layer assembled frame substructure according to the actual situation. Figure 3-(1), Figure 3-(2), Figure 3-(3), Figure 3-(4), Figure 3-(5), Figure 3-(6) are prefabricated planar frame substructures assembled Single-story prefabricated planar frame substructure of housing construction, Figure 4-(1), Figure 4-(2), Figure 4-(3), Figure 4-(4), Figure 4-(5), Figure 4-( 6) The double-layer prefabricated planar frame substructure of a building assembled from large prefabricated substructures, as shown in Fig. 5-(1), Fig. 5-(2), Fig. 5-(3), Fig. 5-(4), Fig. 5-(5) and Figure 5-(6) are one-way double-span prefabricated planar frame substructures of house buildings assembled from large prefabricated substructures, and various types of prefabricated planar frame substructures and prefabricated beam substructures are given , it is precisely these two typical prefabricated substructures that are assembled into a house building. The single-story, double-story, and double-span are all implemented to realize the staggered-level and staggered-span layout of the connecting joints. Whether it is single-story, double-story, or one-way two-span, the prefabricated planar frame substructures are constructed layer by layer through column-column connections in the vertical direction. The prefabricated columns take 2/3 and 1/3 of the story height, while the middle and top prefabricated columns take 1/2 of the story height. This setting method is intended to take the position with simple force, and the bending moment near the inflection point is small , the column mainly bears the axial force and shear force, reducing the stress on the assembled joints. the

Compared with Figure 3-(1), Figure 3-(2), Figure 3-(3), Figure 3-(4), Figure 3-(5), Figure 3-(6) single-layer prefabricated plane frame Structure, Figure 4-(1), Figure 4-(2), Figure 4-(3), Figure 4-(4), Figure 4-(5), Figure 4-(6), Figure 5-(1) , Figure 5-(2), Figure 5-(3), Figure 5-(4), Figure 5-(5), Figure 5-(6) The double-layer, double-span prefabricated plane frame substructure is more structurally It is complex and larger, which puts forward higher requirements for transportation and hoisting, but its integrated prefabrication of double-layer and double-span makes the advantages of assembly obvious. At the same time, the combination of double-span and single-span is more necessary in order to meet the requirement that the house can realize any span. Assembling methods of various prefabricated planar frame substructures, Figure 3-(1) shows the standard in-floor frame substructure, the prefabricated planar frame substructure is provided with a beam, the upper and lower parts of the beam node are provided with a column, and the beam node position There are also three cantilevered short beams in the direction perpendicular to the beams or columns; Figure 3-(2) is a standard story edge frame substructure, a prefabricated plane frame substructure is provided with a beam, and a column is provided at the upper and lower parts of the beam node , there are three cantilevered short beams at one end of the beam in the direction perpendicular to the beam or column, and two cantilevered short beams in the direction perpendicular to the beam node at the other end of the beam; Figure 3-(3 ) is a standard storey corner frame substructure. The prefabricated planar frame substructure is provided with a beam, and a column is provided at the upper and lower parts of the beam node. There is a cantilevered short beam on the beam node at one end of the beam extension line; Figure 3-(4) shows the inner frame substructure of the top floor, a beam is set in the prefabricated plane frame substructure, and a column is set at the lower part of the beam node, and the beam There are also three cantilevered short beams in the direction perpendicular to the vertical column at the node position; Fig. 3-(5) shows the side frame substructure on the top floor, a beam is set in the prefabricated plane frame substructure, a column is set at the lower part of the beam node position, and one end of the beam is There are also three cantilevered short beams in the direction where the node position of the beam is perpendicular to the column, and the position of the node of the beam at the other end of the beam is perpendicular to the position of the beam and the column. The prefabricated planar frame substructure is provided with a beam, and a column is arranged at the lower part of the beam node. The beam node has a cantilevered short beam perpendicular to the plane on the plane formed by the beam and the column, and the beam node at one end of the beam extends the beam. Cantilever short beams on the line; Figure 4-(1), Figure 4-(2), Figure 4-(3), Figure 4-(4), Figure 4-(5), Figure 4-(6) are double Inner-story frame, that is, the single-beam frame of the single-story prefabricated plane frame substructure is changed to a double-beam frame in the upper and lower forms, and the beams are connected by columns. Figure 4-(1) is a standard double-layer inner frame substructure, and Figure 4- (2) is the standard double-layer side frame substructure, Figure 4-(3) is the standard double-layer corner frame substructure, Figure 4-(4) is the top double-layer inner frame substructure, Figure 4-(5) the top double-layer Side frame substructure, Figure 4-(6) is the top double-layer corner frame substructure; Figure 5-(1), Figure 5-(2), Figure 5-(3), Figure 5-(4), Figure 5- (5), Figure 5-(6) is a double-span inner frame, that is, the single-beam frame of the single-span prefabricated planar frame substructure becomes a double-beam frame on the coaxial line, and the beams are connected at the beam nodes. Figure 5-(1 ) is the standard double-span inner frame substructure, Figure 5-(2) is the standard double-span side frame substructure, Figure 5-(3) is the standard double-span corner frame substructure, Figure 5-(4) is the top double-span inner frame Frame substructure, Figure 5-(5) Top double-span side frame substructure, Figure 5-(6) Top double-span corner frame substructure. the

Claims (14)

1. novel minor structure modular precast assembly frame construction, it is characterized in that: comprise the building foundation minor structure, a plurality of prefabricated plane framework minor structures and precast beam minor structure, prefabricated plane framework minor structure is the prefabricated plane framework minor structure of individual layer, double-deck prefabricated plane framework minor structure, the prefabricated plane framework minor structure of multispan or the prefabricated plane framework minor structure of multilayer multispan, the building foundation minor structure, a plurality of prefabricated plane framework minor structures and precast beam minor structure are respectively as an independent precast assembly unit, prefabricated plane framework minor structure connects combination by precast beam minor structure or linking beam, overlap floor between each layer, the outer setting of lateral frame formula structure has exterior wall cladding.

2. novel minor structure modular precast assembly frame construction according to claim 1 is characterized in that: the prefabricated plane framework minor structure of individual layer is divided into the prefabricated plane framework minor structure of top layer, the prefabricated plane framework minor structure of typical floor, inner prefabricated plane framework minor structure, the prefabricated plane framework minor structure of side or the prefabricated plane framework minor structure in bight.

3. novel minor structure modular precast assembly frame construction according to claim 2, it is characterized in that: the prefabricated plane framework minor structure lower box trestle height of bottom is 1/3 and 2/3 floor height, and by the height of the high difference of post with the connected node that staggers, top column height is 1/2 floor height.

4. novel minor structure modular precast assembly frame construction according to claim 2 is characterized in that: the prefabricated plane framework minor structure top and the bottom frame column height in intermediate layer is 1/2 floor height.

5. novel minor structure modular precast assembly frame construction according to claim 2 is characterized in that: the monolateral nothing in the prefabricated plane framework minor structure outside of the side short beam of encorbelmenting.

6. novel minor structure modular precast assembly frame construction according to claim 2 is characterized in that: two outer side edges of prefabricated plane framework minor structure in bight do not have the short beam of encorbelmenting.

7. novel minor structure modular precast assembly frame construction according to claim 2 is characterized in that: inner prefabricated plane framework minor structure top and the bottom frame column, Vierendeel girder and the short beam of encorbelmenting all exist.

8. according to the described novel minor structure modular precast assembly frame construction of arbitrary claim in the claim 1 to 7, it is characterized in that: bilayer and combines with the individual layer single span and to realize that connected node staggered floor mistake strides layout or/and the prefabricated plane framework minor structure form of structure of twin spans height on the basis of the prefabricated plane framework minor structure of individual layer one is striden or/and span surpasses one deck respectively.

9. according to the described novel minor structure modular precast assembly frame construction of arbitrary claim in the claim 1 to 7, it is characterized in that: precast beam minor structure and prefabricated plane framework minor structure are connected with the short beam of encorbelmenting on the prefabricated plane framework minor structure by the precast beam minor structure and form a Pin framework, and the precast beam minor structure accounts for the 1/2-3/4 of actual span.

10. according to the described novel minor structure modular precast assembly frame construction of arbitrary claim in the claim 1 to 7, it is characterized in that: a plurality of prefabricated plane framework minor structures are by connecting the vertical layout that realizes building from bottom to top, and the short beam of encorbelmenting on the prefabricated plane framework minor structure is connected the horizontal arrangement that realizes building with the precast beam minor structure.

11. according to the described novel minor structure modular precast assembly frame construction of arbitrary claim in the claim 1 to 7, it is characterized in that: the combination of the prefabricated plane framework minor structure by individual layer, bilayer and twin spans realizes that the dislocation of connected node arranges.

12. according to the described novel minor structure modular precast assembly frame construction of arbitrary claim in the claim 1 to 7, it is characterized in that: the building foundation minor structure is direct foundation, independent foundation under column or pile foundation, the building foundation minor structure is on-the-spot cast-in-place or prefabricated, and prefabricated single-column is installed on the part basis, the single-column height is 2/3 bottom floor height, and framework minor structure column jointing gusset height staggers.

13., it is characterized in that: be assemblied with precast floor slab on the pre-fabricated one of assembly unit according to the described novel minor structure modular precast assembly frame construction of arbitrary claim in the claim 1 to 7.

14. according to the described novel minor structure modular precast assembly frame construction of arbitrary claim in the claim 1 to 7, it is characterized in that: the plug-in filled wall of prefabricated plane frame structure of assembly unit, filled wall is the insulation filled wall.

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