JP6688311B2 - Building - Google Patents

Description

  The present invention relates to buildings.

  Japanese Patent Laid-Open Publication No. 2006-299534 (hereinafter referred to as Document 1) discloses a conventional building. In this conventional building, a plurality of structures in which beams are bridged over a plurality of pillars are arranged at regular intervals in the girder direction. The plurality of structures are connected to each other by a large number of purlins extending in the girder direction. Then, an outer roof material is installed above the main building.

  By the way, in the building described in Document 1, the beams are connected by a large number of purlins. For this reason, in the conventional building, the worker needs to perform the work of connecting the beams to each other in a large number of purlins, and at the same time, the material cost of the large number of purlins is also increased.

  An object of the present invention is to provide a building in which a purlin can be omitted while maintaining strength.

In a building according to one embodiment of the present invention, a plurality of columns and beams are joined to each other, a plurality of structures arranged at regular intervals in a girder direction, and a roof surface on an upper surface are connected to each other. And a sandwich panel, wherein the pillar is made of reinforced concrete, the beam is a lower chord member fixed to the upper end surface of the pillar, and an upper chord member that is separated upward with respect to the lower chord member, It has a plurality of connecting members that connect the lower chord member and the upper chord member, and the upper chord member is provided on the flange portion to which the sandwich panel is fixed, and the flange portion, and the connecting member is bolted. A pair of vertical plate portions, the lower chord member is mounted on the upper end surface of the column and is bolted to the upper end surface, and a flange portion is provided on the flange portion, and the connecting member is bolted. and a pair of vertical plate portions, said connecting member A plurality of diagonal members that are inclined with respect to the vertical direction and that are made of C-shaped steel; and a vertical member that is disposed between the plurality of diagonal members and that extends along the vertical direction and that is made of C-shaped steel. only including, a pair of vertical plate portions of the pair of vertical plate portion and the lower chord member of the upper chord member are each is spaced to the girder direction, the connecting member includes a pair of vertical plate portions away the girder direction Attached to each of the above, the sandwich panel, a back metal skin fixed to the upper chord member, a front metal skin provided above the back metal skin with a space therebetween, the back metal skin and the front side. It has a core material provided between it and a metal skin, and the ridge part which continues over the full length of the said girder direction is formed in the said front side metal skin .

Further, in this building, the sandwich panel includes a back metal skin fixed to the upper chord member , a front metal skin provided above the back metal skin with a space therebetween, the back metal skin and the front side. and a core member provided between the metal outer skin, the said front metal covering, it is preferable that protrusions continuous over the entire length of the digit direction is formed.

It is an exploded perspective view of the building of one embodiment of the present invention. It is a principal part perspective view of the structure same as the above. It is a front view of the sandwich panel same as the above.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

  The building of the present embodiment is composed of, for example, a building such as a factory or a warehouse. As shown in FIG. 1, the building includes a plurality of structures 1 and a plurality of sandwich panels 4 that connect the plurality of structures 1. In the building of the present embodiment, since the plurality of structures 1 are connected by the sandwich panel 4 having high mechanical strength, a large number of purlins used in a general building can be omitted.

  Each structure 1 includes a pair of pillars 2 and a beam 3 that connects upper end portions of the pair of pillars 2 to each other. The pair of pillars 2 and the beams 3 are rigidly joined, and the structure 1 constitutes a so-called rigid frame structure 1. The plurality of structures 1 are arranged at regular intervals in a direction orthogonal to the length direction of the beam 3 (the length direction of the beam 3 may be referred to as a beam direction) and along a horizontal plane (referred to as a girder direction). Has been done.

  Each of the pair of pillars 2 is formed in a quadrangular prism shape extending in the vertical direction. Each column 2 is made of reinforced concrete and has a so-called RC (Reinforced-Concrete) structure. The pair of pillars 2 face each other with a certain distance in the beam direction. Each structure 1 may have at least a pair of pillars 2, and as shown in FIG. 1, pillars may be added between the pair of pillars 2 for reinforcement.

  The beam 3 is installed on the plurality of columns 2 and extends in the horizontal direction. In the plurality of structures 1, the plurality of beams 3 are parallel to each other. As shown in FIG. 2, each beam 3 includes a pair of truss chord members 31 and a plurality of connecting members 34.

  The pair of truss chord members 31 extends in the horizontal direction. In the present embodiment, a lower chord member 33 and an upper chord member 32 are provided as the pair of truss chord members 31. The lower chord member 33 has a groove-shaped portion 331 having a substantially U-shaped cross section and a pair of flange portions 334, and is formed in a hat-shaped cross section. The groove portion 331 includes a horizontal plate portion 332 having a width in the girder direction and a pair of vertical plate portions 333 extending downward from both sides of the horizontal plate portion 332 in the width direction. Each flange portion 334 extends outward along the horizontal direction from the lower end portion of each vertical plate portion 333. The pair of flange portions 334 are formed in one-to-one correspondence with the pair of vertical plate portions 333.

  The lower chord member 33 is fixed to the upper end surface of each column 2. Specifically, for example, the flange portion 334 is fixed to the upper end surface of each pillar 2 by bolting the flange portion 334.

  The upper chord member 32 is arranged above the lower chord member 33 at a constant interval, and is vertically separated from the lower chord member 33. The upper chord member 32 is arranged at a position overlapping the lower chord member 33 when viewed from above (hereinafter, plan view). The upper chord member 32 has a groove-shaped portion 321 having a substantially U-shaped cross section and a pair of flange portions 324, and is formed in a hat-shaped cross section. The grooved portion 321 includes a horizontal plate portion 322 having a width in the girder direction and a pair of vertical plate portions 323 extending upward from both sides of the horizontal plate portion 322 in the width direction. Each flange portion 324 extends outward along the horizontal direction from the upper end of each vertical plate portion 323. The pair of flange portions 324 are formed in a one-to-one correspondence with the pair of vertical plate portions 323.

  The upper chord member 32 and the lower chord member 33 are connected by a plurality of connecting members 34. The plurality of connecting members 34 are composed of a vertical member 341 extending in the vertical direction and a diagonal member 342 inclined with respect to the vertical direction. The upper end portion of each connecting member 34 is pin-joined to each vertical plate portion 323 of the upper chord member 32 by, for example, a bolt. Further, the lower end portion of each connecting member 34 is pin-joined to the corresponding vertical plate portion 333 of the lower chord member 33 via, for example, a bolt. The plurality of connecting members 34 are attached to each of the pair of vertical plate portions 323, 323 (333, 333) separated in the girder direction. Each connecting member 34 is made of, for example, C-shaped steel that includes a web 35 that is pin-joined to the upper chord member 32 and the lower chord member 33, and a pair of flanges 36 that project from the ends of the web 35.

  The beam 3 having such a structure is rigidly joined to the upper end surface of the pillar 2 by, for example, a plurality of bolts. As a result, the structure 1 of the present embodiment constitutes a ramen structure as described above. The plurality of structures 1 of the present embodiment are connected by a sandwich panel 4 having a roof surface, and the beams 3 are not connected by a purlin or the like. As a result, the building of the present embodiment can omit a large number of purlins as compared with a general building, and is excellent not only in cost but also in workability.

  The sandwich panel 4 can secure mechanical strength such as bending strength and tensile strength by the metal plates vertically separated from each other. In addition, since the core material 43 of the sandwich panel 4 has a heat insulating property, it is not necessary to separately spread a heat insulating material between the purlin and the roof material. As shown in FIG. 3, the sandwich panel 4 includes a back side metal outer cover 41, a front side metal outer cover 42, and a core member 43.

  The back metal skin 41 has a width in the beam direction and a length in the girder direction. The back metal skin 41 is placed on the upper end surface of the truss chord member 31 (the flange portion 324 of the upper chord member 32). A plurality of recesses 411 extending in the girder direction are formed in the back metal skin 41. Each of the plurality of recesses 411 is recessed upward, and a rib effect can be applied to the flexure of the sandwich panel 4 in the longitudinal direction. The back side metal skin 41 is made of, for example, a galvanized steel plate, a coated steel plate, a Galvalume steel plate (registered trademark), an SGL (registered trademark), a stainless steel plate, or the like.

  The front metal skin 42 has a width in the beam direction and a length in the girder direction. The upper surface of the front metal skin 42 constitutes the roof surface of the building. The front metal skin 42 is arranged above the back metal skin 41 with a gap. The front metal skin 42 is made of, for example, a galvanized steel plate, a coated steel plate, a Galvalume steel plate (registered trademark), an SGL (registered trademark), a stainless steel plate, or the like, like the back side metal skin 41.

  The front metal skin 42 is provided with a plurality of ridges 421 protruding upward. As shown in FIG. 1, each of the plurality of ridges 421 extends in the length direction of the sandwich panel 4, and more specifically, the entire length of the sandwich panel 4 in the length direction (that is, the girder direction). Continuous over. The plurality of protrusions 421 are arranged at regular intervals in the width direction of the sandwich panel 4 (that is, the beam direction).

  The core material 43 is filled between the back metal skin 41 and the front metal skin 42. The core material 43 is made of a material having a heat insulating property. The core material 43 is made of, for example, a foaming resin having excellent heat insulating properties such as polyisocyanurate foam or rigid polyurethane foam, or an inorganic material such as rock wool or gypsum board.

  As shown in FIG. 3, of the both ends of the sandwich panel 4 in the width direction, a first connection part 51 is formed at one end and a second connection part 52 is formed at the other end. . The first connecting portion 51 and the second connecting portion 52 are formed in a structure connectable to each other, whereby the plurality of sandwich panels 4 are connected in the beam direction. The sandwich panel 4 of the present embodiment is fixed to the flange portion 324 of the upper chord member 32 by driving the fastener 6 from above in a state where the first connecting portion 51 and the second connecting portion 52 are connected. . In the sandwich panel 4, the fastener 6 is driven in at a position corresponding to the upper chord member 32 in the length direction. Thereby, the sandwich panel 4 can connect the plurality of beams 3 to each other.

  As described above, in the building of the present embodiment, the plurality of structures 1 are connected by the sandwich panel 4 having excellent mechanical strength. Therefore, according to the building of the present embodiment, a large number of purlins, which are indispensable for a general building, are not required, and a building with excellent cost and workability can be provided. Further, the sandwich panel 4 includes a core material 43 having a heat insulating property. For this reason, only by installing the sandwich panel 4 on the beam 3, it is possible to impart heat insulating performance to the roof, and it is not necessary to spread the heat insulating material under the roof, and the workability can be improved.

(effect)
As described above, the building according to the first embodiment of the present embodiment includes the plurality of structures 1 and the sandwich panel 4. A plurality of columns 2 and beams 3 are joined to a plurality of structures 1, and they are arranged at regular intervals in the girder direction. The sandwich panel 4 connects the beams 3 of the plurality of structures 1 arranged in the girder direction.

  According to the first mode, since the plurality of structures 1 are connected by the sandwich panel 4 having excellent mechanical strength, the purlin can be omitted while maintaining the strength.

  The building of the second form according to the present embodiment has the following additional configuration. That is, in the building according to the second aspect of the present embodiment, in the first aspect, the beam 3 includes a pair of truss chord members 31 that are vertically separated from each other, and a plurality of joints that join the pair of truss chord members 31. And a material 34. The sandwich panel 4 is fixed to the upper truss chord member 31 (upper chord member 32).

  According to the second mode, the bending of the beam 3 can be effectively suppressed.

  The building of the third form according to the present embodiment has the following additional configuration. That is, in the building according to the third aspect of the present embodiment, in the first or second aspect, the sandwich panel 4 is spaced from the back side metal skin 41 fixed to the beam 3 and the back side metal skin 41. And a core material 43 provided between the back metal skin 41 and the front metal skin 42. The front metal skin 42 is formed with a ridge portion 421 that is continuous over the entire length in the girder direction.

  According to the third aspect, the bending of the sandwich panel 4 in the length direction can be effectively suppressed.

(application)
Although the beam 3 of the above-described embodiment is configured by the steel truss beam 3, it may be configured by, for example, H-section steel.

  Although the sandwich panel 4 of the above-described embodiment is provided with the plurality of concave portions 411, the concave portions 411 may be omitted. Further, the sandwich panel 4 has the plurality of ridges 421, but the ridges 421 may be omitted, that is, the front metal skin 42 may be formed flat.

  Although the lengthwise direction of the ridge portion 421 in the above embodiment is parallel to the girder direction, it may be formed to be parallel to the beam direction. Further, the sandwich panel 4 may be sloped, in which case the flow direction is sloped so as to be parallel to the longitudinal direction of the ridge portion 421.

  The configurations of the above-described embodiments can be appropriately modified within the scope of the present invention.

1 Structure 2 Pillar 3 Beam 31 Truss chord material 34 Connecting material 4 Sandwich panel 41 Back side metal outer layer 42 Front side metal outer layer 421 Ridge portion 43 Core material

Claims (1)

A plurality of structures in which a plurality of pillars and beams are joined and arranged at constant intervals in the girder direction,
A sandwich panel having a roof surface on the upper surface and connecting the beams to each other,
The pillar is made of reinforced concrete,
The beam is
A lower chord member fixed to the upper end surface of the pillar,
An upper chord member which is separated upward with respect to the lower chord member,
A plurality of connecting members for connecting the lower chord member and the upper chord member,
The upper chord material is
A flange portion to which the sandwich panel is fixed,
A pair of vertical plate portions provided on the flange portion and to which the connecting member is bolted;
Including,
The lower chord material is
A flange portion that is mounted on the upper end surface of the pillar and bolted to the upper end surface,
A pair of vertical plate portions provided on the flange portion and to which the connecting member is bolted,
The connecting material is
A plurality of diagonal members that are inclined with respect to the vertical direction and are made of C-shaped steel,
Wherein disposed between the plurality of diagonal members, extending in the vertical direction, seen including a vertical member which is constituted by a C-shaped steel,
The pair of vertical plate members of the upper chord member and the pair of vertical plate members of the lower chord member are separated from each other in the girder direction, and the connecting member is attached to each of the pair of vertical plate members separated in the girder direction. The
The sandwich panel is
A back metal skin fixed to the upper chord,
A front side metal skin provided above the back side metal skin with a space therebetween,
A core material provided between the back side metal skin and the front side metal skin,
Have
The front metal skin is formed with a continuous ridge portion over the entire length in the girder direction,
A building characterized by that.

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