JP7032051B2 - Floor structure construction method and floor structure reuse method - Google Patents

Description

The present invention relates to a floor panel used for a floor of a building, a floor structure, a floor structure construction method, and a floor structure reuse method.

Patent Document 1 includes a pair of parallel beam materials that receive a floor load, a connecting material having a small cross section that connects the beam materials, and a brace material that is arranged in a space surrounded by the beam materials and the connecting material. It consists of one floor frame and a triangular second floor frame having a pair of brace members as diagonal sides, and the first plurality of floor frames are directed toward the girder beam, and the beam member is perpendicular to the girder beam. A structure is disclosed in which the second floor frame is arranged between the first floor frames while being spaced apart from each other.

Further, Patent Document 2 describes a pair of parallel long-side frame materials made of inward-facing channel steel and a steel panel frame made of a plurality of short-side frame materials joined between these long-side frame materials. A plurality of parallel wooden joists installed along the long side on the steel panel frame and a floor board provided on the joists are provided, and the long side frame material is a beam or a trunk difference of the building frame. The floor panel is disclosed.

Further, in Patent Document 3, a brace panel in which a brace is attached to a panel frame is used, and the brace is provided in the building by assembling the brace to the building. A structure is provided in which the metal fittings for joints are joined to the columns and / or horizontal members of the building, and the force applied to the braces is directly transmitted to the columns and / or the horizontal members through the metal fittings for joints. It has been disclosed.

The above-mentioned Patent Document 1 does not have a floor structure in which floor panels having a common structure can be arranged side by side. The above-mentioned Patent Document 2 is not suitable for making a temporary building. Further, Patent Document 3 does not disclose the idea of panelizing the floor, and has a structure in which the panel frame and the beam are directly joined.

Japanese Unexamined Patent Publication No. 5-295828 Japanese Unexamined Patent Publication No. 9-415333 Japanese Unexamined Patent Publication No. 2005-282144

Here, for example, a building used for a limited-time event or the like is temporarily constructed and then relocated, and finally, a building is considered to be built by a full-scale construction method (main construction). However, none of the above references are useful in this regard.

In view of the above circumstances, the present invention provides a floor panel capable of easily constructing a temporary floor by a dry method, and also provides a floor structure, a floor structure construction method, and a floor structure reuse method using the floor panel. That is the issue.

The floor panel of the present invention is a floor panel attached to the frame of a building, and is provided at least on the end side of two beam members arranged to face each other and the beam members are connected to each other. It is provided with a connecting member, a horizontal brace, a mounting plate portion for joining the girder member and the horizontal brace, and a joint portion located at the end of the girder member and joined to the skeleton side. It is characterized by that.

With the above configuration, the beam member does not have to have the rigidity required as a beam by itself, and when two floor panels are arranged next to each other, the beam members are adjacent to each other. Since it is possible to form a beam having the required rigidity and floor panels of the same structure can be mounted side by side, the floor can be easily constructed.

The mounting plate portion may include a horizontal plate portion and a vertical plate portion, the horizontal brace may be attached to the horizontal plate portion, and the connecting member may be fixed to the vertical plate portion. According to this, the horizontal load applied to the horizontal brace can be efficiently transmitted to the beam member (beam).

The two beam members may be made of channel steel having a facing plate portion located above and below and a connecting plate portion connecting the facing plate portions, and may face each other on the opening side.

Further, the mounting plate portion may be provided between the facing plate portions of the channel steel. According to this, a space portion is formed between the facing plate portion on the lower side of the channel steel and the mounting plate portion, and the piping or the like can be arranged by using this space portion.

Further, the connecting plate portion of the channel steel may form the joint portion, and the joint portion may be formed with an insertion hole through which the fastening member is passed in the horizontal direction.

In the floor structure according to the present invention in which the floor panel having such a structure is attached to the girder of the building, a support plate having a vertical surface portion is fixed to the skeleton, and the support plate is horizontal to the vertical surface portion. An insertion hole through which the fastening member is passed is formed in the direction, and the two floor panels arranged adjacent to each other are formed by the fastening member passed through the insertion hole of the joint portion and the insertion hole of the support plate. It is characterized by being fixed to.

In the above configuration, the floor panels arranged so as to be adjacent to each other are attached so that the fastening member is sewn horizontally to the support plate and the support plates on both sides thereof, so that the floor panels and the skeleton are mutually fixed. You will be able to do it in a short time.

Further, the floor structure construction method of the present invention is a floor structure construction method for constructing the floor structure, in which the floor panel is manufactured at a factory, transported to a construction site, and supported by the building frame. It is characterized by. With this method, since the floor panel is manufactured at the factory, the floor panel having the dimensions as designed can be accurately assembled to the frame of the site building.

Further, the floor structure reuse method of the present invention is a floor structure reuse method for constructing an upper floor of a building by reusing the floor structure, and is already provided on the floor panel in the floor structure. It is characterized in that a concrete floor is produced by placing concrete on a corrugated plate. With such a method, it becomes possible to fabricate a concrete floor by utilizing the corrugated plate already provided on the floor panel.

Further, the floor structure reuse method of the present invention is a floor structure reuse method for constructing the first floor of a building by reusing the floor structure, and the girder as the skeleton in the floor structure is formed in concrete. It is characterized by burying it in a foundation beam to make a foundation beam. With such a method, it becomes possible to manufacture a foundation beam by utilizing the above-mentioned girder.

According to the present invention, various effects such as easy construction of a dry floor can be obtained.

It is a figure which shows the embodiment, and is the top view which showed the wide type floor panel. It is a figure which shows the embodiment, and is the top view which showed the floor panel of a narrow type. It is a schematic perspective view which showed the floor structure of the embodiment using the floor panel of FIG. 1 and FIG. It is explanatory drawing which showed the beam member, the mounting plate part, etc. in the floor panel of FIG. It is explanatory drawing which showed the beam member, the mounting plate part, etc. in the floor panel of FIG. It is explanatory drawing which showed the beam member, the girder, the support plate, the bolt and the like in the floor structure using the floor panel of FIG. It is a figure which shows the embodiment, and is the explanatory view which showed the reuse method of the floor structure of FIG. It is a figure which shows the embodiment, and is the explanatory view which showed the other reuse method of the floor structure of FIG.

Hereinafter, embodiments according to one aspect of the present invention will be described with reference to the accompanying drawings. As shown in FIGS. 1, 2 and 3, the floor panels 1 and 1A of this embodiment can be attached to the girder 81 of the building 8. Further, the girders 81 are joined to each other, and the columns 85 are joined to the upper flange of the girder 81. In this application, the term girder shall include the body difference.

The floor panel 1 is provided with two beam members 2 arranged to face each other at a distance, and a connecting member provided at the end side and the central portion of the beam member 2 to connect the beam members 2 to each other. 3, the horizontal brace 4, the beam member 2 and the horizontal brace 4, and mounting plate portions 5 and 5A for fixing the beam member 2 and the connecting member 3 to each other are provided. Here, in order to construct a dry floor, there is a problem that a mechanism capable of transmitting a horizontal load is required, the number of members increases, and the labor of construction increases. In this embodiment, this point is also solved. Plan.

The width of the floor panel 1 is, for example, 2 m, and the width of the floor panel 1 is, for example, 1 m. Further, in the floor panel 1 in this embodiment, a suspension bolt support member 6 to which a ceiling suspension bolt (not shown) is attached is provided in parallel with the beam member 2 on the center side.

In the floor panels 1 and 1A, each beam member 2 is made of channel steel having a facing plate portion 2a located above and below and a connecting plate portion 2b connecting the facing plate portions 2a, and faces each other's opening side. It is matched. When the two floor panels 1 are arranged next to each other, the adjacent beam members 2 and 2 are located back to back with the connecting plate portion 2b close to each other as shown in FIGS. 4 and 5. ..

The mounting plate portion 5 is provided on the central side in the longitudinal direction of the beam member 2, and the mounting plate portion 5A is provided on the end side of the beam member 2. Each of the mounting plate portions 5 and 5A includes a horizontal plate portion 5a and a vertical plate portion 5b, and the end portion of the horizontal brace 4 is attached to the horizontal plate portion 5a by a bolt or the like. Further, two bolt insertion holes 5c are formed horizontally in the vertical plate portion 5b in the horizontal direction. The bolt 31 is inserted into the bolt insertion hole 5c and the connecting member 3, and the nut is screwed into the bolt 31 to fix the connecting member 3 to the mounting plate portions 5 and 5A.

The horizontal plate portion 5a and the vertical plate portion 5b are fixed to each other by welding, and are fixed to the connecting plate portion 2b by welding on the side in contact with the connecting plate portion 2b. Further, the upper side of the vertical plate portion 5b is in contact with the upper facing plate portion 2a and is fixed by welding. Then, the mounting plate portion 5 is fixed to the connecting plate portion 2b at a position between the facing plate portions 2a of the channel steel. That is, the horizontal plate portion 5a is separated upward from the lower facing plate portion 2a, and a space portion is formed between the horizontal plate portion 5a and the lower facing plate portion 2a.

The connecting member 3 is made of, for example, a lip channel steel (C channel) having a facing plate portion with lips located above and below and a connecting plate portion connecting these facing plates with lips. One connecting member 3 is provided on the end side of the beam member 2, and two connecting members 3 are provided back to back at the position on the center side. At both ends of each connecting member 3, two bolt insertion holes are formed horizontally in the horizontal direction at the connecting plate portion of the lip channel steel. The bolt 31 is inserted so as to sew the bolt insertion hole and the bolt insertion hole 5c of the mounting plate portion 5. Of the one connecting member 3 on each end side and the two connecting members 3 on the center side, the connecting member 3 on the side closer to the end side is arranged so as to face each other's opening side.

Further, the connecting member 3 provided on the end side of the beam member 2 is provided at a distance of, for example, about 80 mm from the end surface of the beam member 2, and when the floor panel 1 is attached to the girder 81 side. In addition, a working gap is formed between the edge of the girder 81 and the connecting member 3 due to the separation. The operator can put his / her hand in the work gap from above the floor panel 1 and perform work such as bolt attachment.

Then, in the floor panel 1, one surface portion of the L angle 61 is fixed by welding on the center side of the connecting member 3. The other surface portion rises in a direction orthogonal to the longitudinal direction of the connecting member 3. Bolt insertion holes are formed in two places on the other surface portion. Two bolt insertion holes are also formed at each end of the suspension bolt support member 6, and a nut is screwed into the bolt 62 passed through these bolt insertion holes to suspend the suspension bolt 3 from the connecting member 3. The bolt support member 6 is fixed. Lip channel steel (C channel) can also be used as the suspension bolt support member 6.

The location of the connecting plate portion 2b in the channel steel is the location on the girder 81 side, which is a portion further end from the location of the mounting plate portion 5A of each beam member 2 in the floor panels 1 and 1A. It is a joint portion 11 to be joined to. That is, the joint portion 11 can be accessed from the working gap between the edge of the girder 81 and the connecting member 3. As shown in FIG. 6, the joint portion 11 is vertically formed with two bolt insertion holes 11a through which the bolt (fastening member) 101 is horizontally inserted.

If the floor panels 1 and 1A have the above configuration, the beam member 2 itself does not need to have the rigidity required as a beam, and the two floor panels 1, 1 (1, 1A) (1A, 1A). ) Can form a beam having the required rigidity by the two adjacent beam members 2 when they are arranged next to each other, and the floor panels 1 and 1A having the same structure can be mounted side by side. , The floor can be easily constructed.

The mounting plate portion 5 includes a horizontal plate portion 5a and a vertical plate portion 5b so that the horizontal brace 4 is attached to the horizontal plate portion 5a and the connecting member 3 is fixed to the vertical plate portion 5b. Then, the horizontal load applied to the horizontal brace 4 can be efficiently transmitted to the beam member 2 (beam).

Further, when the horizontal plate portion 5a of the mounting plate portion 5 is fixed to the connecting plate portion 2b between the facing plate portions 2a of the channel steel, the facing plate portion 2a on the lower side of the channel steel A space portion is formed between the mounting plate portion 5 and the mounting plate portion 5, and piping or the like can be arranged using this space portion. Further, it is preferable that the horizontal plate portion 5a is provided on the intermediate side in the vertical direction of the connecting plate portion 2b in order to receive the horizontal load applied to the horizontal brace 4. It is also possible to adopt a structure in which the horizontal brace 4 is fixed to the facing plate portion 2a on the lower side of the channel steel.

The floor structure of this embodiment is a floor structure in which the floor panels 1 and 1A are attached to the girder 81 of the building 8, and the girder 81 is a square plate having a vertical surface portion orthogonal to the longitudinal direction of the girder 81. The shape-shaped support plate 82 is fixed. In this example, the girder 81 is made of H-shaped steel, and one part of the support plate 82 is located between the upper flange portion and the lower flange portion of the girder 81, and the upper flange portion and the lower flange portion thereof. It is welded and fixed to the part and the web part. The other portion of the support plate 82 projects toward the panel installation side from the edge of the girder 81.

Two bolt insertion holes 82a through which the bolt 101 is inserted in the horizontal direction are vertically formed on the vertical surface portion of the protruding portion of the support plate 82. Then, the two floor panels 1, 1A arranged adjacent to each other are sewn into the bolt insertion hole 11a of the joint portion 11 and the bolt insertion hole 82a of the support plate 82, and the bolt 101 thereof. It is fixed to the girder 81 side by the nut 102 that is screwed. The height of the girder member 2 is lower than the height of the girder 81 (beam), but in the fixed state, the upper surface of the girder member 2 and the upper surface of the girder 81 are substantially surfaces. I try to be one.

Further, a temporary placement portion 83 is fixed to the lower positions on both sides of the surface portion of the projecting portion of the support plate 82 by welding or bolt / nut fastening. The floor panels 1 and 1A can be temporarily placed on the temporary placement portion 83, and in this temporarily placed state, the bolt insertion holes 11a of the joint portion 11 and the bolt insertion holes 82a of the support plate 82 are substantially the same. Located in position.

In the case of the floor structure having the above configuration, the floor panels 1 arranged so as to be adjacent to each other by attaching the bolts 101 to the support plate 82 and the bolt insertion holes 11a of the joints 11 on both sides thereof so as to be sewn horizontally. 1A and the girder 81 can be fixed to each other.

Then, in the floor structure construction method of this embodiment, the floor panels 1 and 1A are manufactured in a factory, transported to the construction site of the building 8, and lifted by a crane or the like to the girder 81 of the building 8. It is supported via the support plate 82. With this method, since the floor panels 1 and 1A are manufactured at the factory, the floor panels 1 and 1A having the dimensions as designed can be accurately assembled at the site.

Further, when the floor panels 1 and 1A transported to the construction site are temporarily placed on the temporary placement portion 83 provided on the support plate 82, the crane or the like is immediately lifted to the next floor panel by the temporary placement. Since it will be available, efficient construction can be performed.

At the stage where the floor panels 1 and 1A are manufactured and shipped at the factory, corrugated plates such as deck plates or hat-shaped plates are screwed or welded to the beam members 2 and the connecting members 3. May be pre-fixed by. The width of the corrugated plate is narrower than the outer edge of the beam member 2 in the floor panels 1 and 1A, and does not close the working gap between the floor panels 1 and 1A and the girder 81. To do so. Further, at the stage where the floor panels 1 and 1A are manufactured and shipped at the factory, the board may be fixed in advance on the corrugated plate by screwing or the like. Of course, the corrugated plate or board may be attached by on-site construction. Since the bolt 101 is manually attached to the support plate 82 and the joint portion 11 in the work gap, before this attachment work, between the floor panels 1, 1A and the girder 81. Does not provide the corrugated plate or the like, but provides a corrugated plate that fills the gap between the floor panels 1 and 1A and the girder 81 after the mounting work.

Further, when the corrugated plate-shaped plate is provided on the floor panels 1 and 1A, the operator can easily and safely perform the fastening work or the like by resting on the corrugated plate-shaped plate.

Further, in the above example, the girder 81 is shown as the skeleton of the building to which the floor panels 1 and 1A are attached. good.

Next, a floor structure reuse method for constructing the upper floor of a building by reusing the above floor structure will be described. As shown in FIG. 7, in the temporary building 8, the floor board 111 is fixed on the corrugated plate 110 by screwing or the like as a dry floor. Then, the floor board 111 is removed before or after the relocation of the building 8. Then, after the relocation, the concrete 112 is cast on the corrugated plate 110 already provided on the floor panels 1 and 1A to prepare a concrete floor.

Next, a method of reusing the floor structure for constructing the first floor of the building by reusing the above floor structure will be described. As shown in FIG. 8, in the temporary building 8, the floor board 111 is fixed on the corrugated plate 110 by screwing or the like as a dry floor. Then, the floor panels 1 and 1A are removed before or after the relocation of the building 8. Then, the girder 81 is embedded in the concrete 120 to produce a foundation beam.

In removing the floor panels 1 and 1A from the girder 81, the bolt 101 and the nut 102 need only be removed, so that the girder 81 is not damaged. Further, if the temporary placement portion 83 is provided, the work of removing the floor panels 1 and 1A becomes easy.
Although the embodiment of the present invention has been described above with reference to the drawings, the present invention is not limited to that of the illustrated embodiment. Various modifications and modifications can be made to the illustrated embodiment within the same range as the present invention or within the same range.

1: Floor panel 1A: Floor panel 2: Beam member 2a: Opposing plate part 2b: Connecting plate part 3: Connecting member 4: Horizontal brace 5: Mounting plate part 5A: Mounting plate part 5a: Horizontal plate part 5b: Vertical plate Part 5c: Bolt insertion hole 6: Suspended bolt support member 8: Building 11: Joint portion 11a: Bolt insertion hole 31: Bolt 61: L angle 62: Bolt 81: Girder 82: Support plate 82a: Bolt insertion hole (fastening member) Insertion hole to pass through)
83: Temporary placement part 101: Bolt (fastening member)
102: Nut (fastening member)
110: Corrugated plate 111: Floor board 112: Concrete 120: Concrete

Claims (6)

It is a floor structure construction method that constructs the floor structure of a building in which the floor panel is attached to the frame of the building.
The above floor panel
Two beam members arranged facing each other and
At least a connecting member provided on the end side of the beam member and connecting the beam members to each other.
Horizontal brace and
The mounting plate portion that connects the beam member and the horizontal brace,
It is provided with a joint located at the end of the beam member and joined to the skeleton side.
The two beam members are made of channel steel having a facing plate portion located above and below and a connecting plate portion connecting the facing plate portions, and face each other's opening sides.
When the connecting plate portions of the channel steel face each other in a state where the floor panels are arranged next to each other, the beam members can be connected to each other next to each other, and the beam members connected to each other can be connected to each other. The members are configured to form the beams of the above building,
At the construction site where only the floor panel is used as the floor panel and the floor panel is manufactured and transported at the factory, the floor panel is arranged in the space where the girder, which is the frame of the building, faces, and is connected side by side. A floor structure construction method characterized by forming a beam of the above building with a beam member. In the floor structure construction method according to claim 1, the mounting plate portion of the floor panel includes a horizontal plate portion and a vertical plate portion, and the horizontal brace is attached to the horizontal plate portion, and the vertical plate portion is provided. A floor structure construction method characterized in that the connecting member is fixed to the floor structure. The floor structure construction method according to claim 1 or 2, wherein the mounting plate portion is fixed between the facing plate portions of the channel steel of the floor panel . .. In the floor structure construction method according to any one of claims 1 to 3, the connecting plate portion of the channel steel of the floor panel forms the joint portion, and the joint portion is in the horizontal direction. A floor structure construction method characterized in that an insertion hole for passing a fastening member is formed in the floor structure. A floor structure reuse method for constructing an upper floor of a building by reusing the floor structure produced by the floor structure construction method according to any one of claims 1 to 4, wherein the floor structure is reused. A method for reusing a floor structure, which comprises placing concrete on a corrugated plate already provided on the floor panel to produce a concrete floor. A floor structure reuse method for constructing a first floor of a building by reusing the floor structure produced by the floor structure construction method according to any one of claims 1 to 4, wherein the floor structure is reused. A method for reusing a floor structure, which comprises burying a girder as the above-mentioned skeleton in concrete to produce a foundation beam.

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