JP7007118B2 - How to replace wall panels, load-bearing elements and buildings - Google Patents

Description

The present invention relates to a wall panel with a bearing element, a method of replacing the bearing element and a building.

Patent Document 1 discloses an outer wall panel including a panel frame in which channel steels are arranged and fixed so that their opening sides face each other. Then, in order to make the outer wall panel a load-bearing panel, it is disclosed that diagonal members are provided in a cross shape inside one of the face portions facing each other in the channel steel.

JP 2016-169541

However, in the outer wall panel, since the diagonal member is attached to one of the facing faces of the channel steel, the channel steel is pulled by the diagonal member and twisted during an earthquake. , There is a risk of adverse effects such as cracking on the outer wall material.

In view of the above circumstances, the present invention provides a wall panel capable of suppressing the frame from being twisted by the energy at the time of an earthquake.

In order to solve the above-mentioned problems, the wall panel of the present invention has a T-shaped vertical frame having a shape in which the second plate portion is butted at a substantially central position of the first plate portion so that the cross section has a substantially T-shape. The second plate portion is arranged on the left and right so that the tip ends of the second plate portion face each other, and a bearing element is provided between the facing second plate portions.

With the above configuration, a bearing element is provided between the second plate portions of the T-shaped vertical frame. The second plate portion exists at a substantially central position of the first plate portion, and the tensile force of the proof stress element is applied to the substantially central side of the first plate portion, so that the vertical frame is generated by the energy at the time of an earthquake. It is possible to suppress twisting and out-of-plane deformation.

The proof stress element may be fixed to the second plate portion by a fastening member. According to this, by removing the fastening member, the load-bearing element damaged by the earthquake can be easily replaced with a new load-bearing element.

The wall panel may be configured as an outer wall panel, and the load-bearing element may be fixed to the indoor side surface of the second plate portion by a fastening member. According to this, the fastening member can be removed from the indoor side, and the load-bearing element damaged by the earthquake can be replaced with a new load-bearing element in the work on the indoor side.

A base material may be attached to the outdoor side surface of the second plate portion, and the outer wall surface material may be fixed to the base material. According to this, the outer wall surface material can be fixed to the T-shaped vertical frame via the base material.

A heat insulating material may be provided in an area on the outdoor side of the load-bearing element. According to this, the load-bearing element can be removed from the indoor side without being disturbed by the heat insulating material.

Further, the method of exchanging the load-bearing element of the present invention is a method of exchanging the load-bearing element in a building provided with the above-mentioned wall panel as an outer wall panel. It is characterized by exchanging. With this method, the bearing element can be replaced by the work from the indoor side, so that the replacement cost can be reduced regardless of the weather or the like.

Further, the building of the present invention is a building provided with the above-mentioned wall panel, and the first plate portion of the above-mentioned wall panel is fixed to the flange portion of a pillar made of H-shaped steel in a back-to-back arrangement by a fastening member. It is characterized by.

According to the present invention, it is possible to suppress the frame from being twisted by the energy at the time of an earthquake. It also has the effect that the bearing element can be easily replaced by removing the fastening member.

It is explanatory drawing which showed the outline of the cross section of the outer wall panel which concerns on embodiment of this invention. It is a partially enlarged view of the outer wall panel of FIG. FIGS. (A) and (B) are schematic perspective views of the outer wall panel of FIG. 1, respectively. It is a partially enlarged view of the front view of the diagonal lumber connection portion of the outer wall panel of FIG.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in FIGS. 1 and 2, in the outer wall panel 1 according to this embodiment, the second plate is located at a substantially central position (including the center) of the first plate portion 21 so that the cross section is substantially T-shaped. Two T-shaped vertical frames 2 having a shape in which the portions 22 are butted against each other are provided, and these two T-shaped vertical frames 2 are arranged on the left and right so that the tip ends of the second plate portion 22 face each other. ing. As the T-shaped vertical frame 2, for example, so-called CT steel obtained by cutting H-shaped steel in half can be used.

Further, as shown in FIGS. 3 (A), 3 (B) and 4, the diagonal member 3 which is a proof stress element is bridged over the facing second plate portion 22 in a cross shape. Each diagonal member 3 is composed of a joining plate 31 arranged in parallel with the second plate portion 22 and a diagonal member main body portion 32 provided between the two joining plates 31 at both ends. For example, the joint plate 31 and the second plate portion 22 are vertically formed with two bolt insertion holes in the horizontal direction, and bolts 3a and nuts 3b which are fastening members passed through the bolt insertion holes. The diagonal member 3 is fixed to the second plate portion 22. The diagonal member main body portion 32 is provided with a turnbuckle portion 32a so that the tension can be adjusted after the diagonal member 3 is attached.

The diagonal member 3 is attached to the indoor side surface of the second plate portion 22. A base frame (base material) 4 is provided on the outdoor side surface of the second plate portion 22. The base frame 4 is formed in a vertically long rectangular shape by two vertical frames 41 on the left and right and two horizontal frames 42 on the top and bottom. The vertical frame 41 is made of channel steel, and the indoor plate portion of the opposing plate portions is fixed to the second plate portion 22 by the bolts 3a and nuts 3b and bolts and nuts at other locations. ing. Further, the horizontal frame 42 is also made of channel steel and is fitted and fixed to the upper and lower ends of the vertical frame 41. Then, the screw portion of the fastening member 12 is screwed into the plate portion on the outdoor side of the facing plate portion, and the outer wall surface material 11 is hooked on the head side of the fastening member 12.

Further, a heat insulating material 13 made of glass wool or the like is filled and arranged in a region on the outdoor side of the slanted lumber 3, that is, between the slanted lumber 3 and the outer wall surface material 11. Then, on the indoor side of the diagonal member 3, a crosspiece 14 or the like serving as a spacer is provided, and the indoor wall board (inner surface material) 15 is fixed to the crosspiece 14 or the like with screws or the like.

The first plate portion 21 of the T-shaped vertical frame 2 of the outer wall panel 1 is arranged back to back on the flange portion of the pillar 5 made of H-shaped steel. Bolt insertion holes are formed in the horizontal direction in the flange portions of the first plate portion 21 and the pillar 5. The T-shaped vertical frame 2 can be fixed to the pillar 5 by screwing the nut 5b into the bolt 5a passed through the bolt insertion hole and tightening the nut 5b.

With the above configuration, the diagonal member 3 is bridged over the second plate portion 22 of the T-shaped vertical frame 2. The second plate portion 22 exists at a substantially central position of the first plate portion 21, and the tensile force of the diagonal member 3 is applied to the substantially central side of the first plate portion 21, so that the energy at the time of an earthquake can be used. It is possible to prevent the T-shaped vertical frame 2 from being twisted.

When the diagonal member 3 is fixed to the indoor side surface of the second plate portion 22 by a fastening member (bolt 3a, nut 3b, etc.), the fastening member can be removed from the indoor side and is damaged by the earthquake. The diagonal member 3 can be easily replaced with a new diagonal member 3 in the work on the indoor side.

When the base frame 4 is attached to the outdoor side surface of the second plate portion 22 and the outer wall surface material 11 is fixed to the base frame 4, the outer wall surface material 11 is passed through the base frame 4. It can be fixed to the T-shaped vertical frame 2.

When the heat insulating material 13 is provided in the region on the outdoor side of the slanted lumber 3, the slanted lumber 3 can be removed from the indoor side without being disturbed by the heat insulating material 13.

Further, in this embodiment, a method of exchanging the diagonal member 3 in the building provided with the outer wall panel 1 is also disclosed. In this replacement method, for example, the indoor wall board (inner surface material) 15 on the indoor side of the outer wall panel 1 is removed, and the damaged diagonal member 3 is removed by operating the bolt 3a and the nut 3b from the indoor side to remove a new diagonal member. The material 3 is attached by operating the bolt 3a and the nut 3b. Further, the indoor wall board 15 is attached. With this method, the diagonal member 3 can be replaced by the work from the indoor side, so that the replacement cost can be reduced regardless of the weather or the like.

In the above example, a wall panel configured as an outer wall panel is shown, but the present invention is not limited to this, and a partition bearing wall can be used. Further, the outer wall panel 1 may be configured such that, for example, the T-shaped vertical frame 2, the diagonal member 3, the base frame (base material) 4, and the outer wall surface material 11 are assembled and shipped at a factory. can. Of course, the present invention is not limited to this, and the T-shaped vertical frame 2 may be fixed to the pillar 5 at the site, and the diagonal member 3 and the base frame 4 may be fixed to the T-shaped vertical frame 2.

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: Outer wall panel 2: T-shaped vertical frame 3: Oblique material (bearing element)
3a: Bolt (fastening member)
3b: Nut 4: Base frame (base material)
5: Pillar 5a: Bolt 5b: Nut 11: Outer wall material 12: Fastening member 13: Insulation material 14: Lumber 15: Indoor wall board (inner surface material)
21: 1st plate part 22: 2nd plate part 31: Joining plate 32: Oblique lumber body part 32a: Turnbuckle part 41: Vertical frame 42: Horizontal frame

Claims (6)

A T-shaped vertical frame having a shape in which the second plate portion is butted at a substantially central position of the first plate portion so that the cross section is substantially T-shaped, is left and right so that the tip side of the second plate portion faces each other. It is arranged so that a bearing element is provided between the above-mentioned facing second plate portions.
A wall panel configured as an outer wall panel, wherein the proof stress element is fixed to a surface of the second plate portion on the indoor side by a fastening member . The wall panel according to claim 1 , wherein a base material is attached to the outdoor side surface of the second plate portion, and the outer wall surface material is fixed to the base material. The wall panel according to claim 1 or 2 , wherein a heat insulating material is provided in a region on the outdoor side of the load-bearing element. The method for replacing a load-bearing element in a building provided with the wall panel according to any one of claims 1 to 3 , wherein the inner wall plate on the indoor side of the wall panel is removed and the load-bearing element is replaced from the indoor side. A method of exchanging load-bearing elements, which is characterized by doing so. A building provided with the wall panel according to claim 1 to 3 , wherein the first plate portion of the wall panel is fixed to the flange portion of a column made of H-shaped steel in a back-to-back arrangement by a fastening member. A building featuring. In the building according to claim 5, the T-shaped vertical frame is CT steel, and the width of the first plate portion of the CT steel is the same as the width of the flange portion of the column made of the H-shaped steel. A building characterized by being.

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