JP2015001115A - Bearing wall and house - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bearing wall and a house of using this bearing wall, without increasing a thickness of the wall, while enhancing a degree of freedom of design.SOLUTION: The bearing wall is a bearing wall having a pair of side columns extending in the vertical direction and a brace arranged in a space between the pair of side columns, and the brace comprises a column head of one side column among the pair of side columns, two or more of first diagonal members fixed to a column base of the other side column, a column head of the other side column among the pair of side columns and two or more of second diagonal members fixed to a column base of one side column, and the whole first diagonal members are arranged on the same plane parallel to a wall surface of the bearing wall, and the whole second diagonal members are provided on the indoor side more than the first diagonal members.

Description

  The present invention relates to a load-bearing wall of a building and a house using the load-bearing wall.

  Conventionally, load bearing walls in which diagonal members are arranged on diagonal lines of a rectangular frame are used in buildings. And this load bearing wall is multiply arranged by each place of the said building according to the structural strength required for a building. By the way, since diagonal members are arranged inside the bearing walls, it is impossible to provide openings such as windows and doors, so there is a problem that the degree of freedom in the design plan of the openings decreases due to the arrangement of the bearing walls. It was.

  In view of this, a double bearing wall is used in which the bearing walls are arranged in a double layer in the thickness direction. The double bearing wall can bear the double horizontal bearing strength by overlapping the ordinary bearing walls, so that the wall length of the bearing wall can be shortened and the design plan of the opening is flexible. Can be increased.

JP 2001-140344 A

  However, the double load-bearing wall has a double frame, which increases the thickness of the wall and makes it difficult to place it in the position where it contacts the unit bus according to the standard. Become. Further, as the wall thickness increases, the indoor space at the position where the double load-bearing wall is disposed is also narrowed. Furthermore, it is necessary to increase the thickness of the rising portion of the foundation by increasing the thickness of the wall, and there is also a problem that the material cost increases because the frame is also arranged in a double manner.

  Then, an object of this invention is to provide the load-bearing wall which raises a design freedom, and does not increase the thickness of a wall, and the house using the load-bearing wall.

  The load-bearing wall according to claim 1 is a load-bearing wall including a pair of side columns extending in a vertical direction and a brace disposed in a space between the pair of side columns. Of the pair of side columns, two or more first diagonal members fixed to the head of one side column and the column base of the other side column, and the other side column of the pair of side columns Two or more second diagonal members fixed to the stigma and the column base of one side column, and all the first diagonal members are parallel to the wall surface of the load-bearing wall. The second diagonal members are arranged on the same plane, and all the second diagonal members are provided on the indoor side of the first diagonal member.

  Here, the “first diagonal member” and the “second diagonal member” may be made of a steel material such as a long round steel, a square steel, a steel plate, or a metal having high viscoelasticity. Further, it may include a damping damper using laminated rubber, viscous fluid, or the like.

  The load bearing wall according to claim 2 is formed in a flat plate shape, and is perpendicular to the wall surface of the load bearing wall and parallel to the longitudinal direction of the first diagonal member and the second diagonal member. A gusset plate that is fixed to the column head and the column base of the pair of side columns is further provided, and the gusset plate fixed to the column head of one side column of the pair of side columns and the column base of the other side column are fixed. The end of the first diagonal member is fixed to one surface and the other surface of the gusset plate, and the gusset plate and the other side column fixed to the column base of the one side column. The end of the second diagonal member is fixed to one surface and the other surface of the gusset plate fixed to the stigma.

  A house according to claim 3 is provided with the load-bearing wall according to claim 1 or claim 2.

  According to the load-bearing wall according to claim 1, all the first diagonal members are arranged on the same plane parallel to the wall surface of the load-bearing wall, and all the second diagonal members are arranged on the first diagonal member. Since it is provided on the indoor side of the material, the first diagonal member and the second diagonal member can be disposed so as not to interfere with each other without providing the bearing wall itself in a double manner. The thickness of the first diagonal member and the second diagonal member may be the same as when the first diagonal member and the second diagonal member are provided one by one, so that the first diagonal member and the second diagonal member are doubled without increasing the bearing wall. Can be provided with a load bearing wall. Therefore, the arrangement position of the bearing wall is not limited by the fact that the bearing wall does not become thick in this way. Furthermore, since no wall fuzz is generated, a large indoor space can be taken, the heat insulation performance is not lowered by the thermal bridge, and the cost of materials such as pillars can be suppressed.

  According to the bearing wall according to claim 2, the gusset plates are respectively fixed to the stigma and the column base of the pair of side columns, and the gusset plate fixed to the stigma of the one side column and the column pedestal of the other side column The end of the first diagonal member is fixed to one surface and the other surface of the gusset plate fixed to the gusset plate, and the gusset plate fixed to the column base of one side column and the stigma of the other side column Since the end portions of the second diagonal member are fixed to the one surface and the other surface of the gusset plate fixed to the gusset plate, respectively, the first diagonal member or the second diagonal member By fixing the diagonal of the gusset plate, even if a tensile force is applied to the diagonal member due to a horizontal force applied to the bearing wall, a tensile force is applied to both sides of the gusset plate, thereby preventing the gusset plate from bending. But Kill. Thereby, it can avoid that the rigidity of the bearing wall with respect to a horizontal force falls by bending of a gusset plate.

  According to the housing according to claim 3, by providing the structure according to claim 1 or 2, it is possible to bear a high horizontal proof stress with a short wall length, so design freedom such as arrangement of openings is possible. It can be a high-grade house.

The front view which shows the bearing wall which concerns on this embodiment. The figure which expanded C portion of the 1st diagonal material of the bearing wall concerning this embodiment. 1. The expansion abbreviation perspective enlarged view which cut off the cross section of the II part of FIG. 1 of the bearing wall which concerns on this embodiment.

  Hereinafter, the best embodiment of the bearing wall of the present invention will be described with reference to FIGS. 1 to 3. As shown in FIG. 1, the bearing wall 1 according to the present embodiment has a brace 3 disposed in a space inside a frame 2 that is formed in a rectangular shape. The frame 2 includes a pair of side pillars 4a and 4b extending in the vertical direction, an upper frame member 5 horizontally installed between the heads of the pair of side pillars 4a and 4b, and side pillars 4a and 4b. It is formed by welding a lower frame member 14 provided horizontally between the column bases and an intermediate horizontal member 7 installed at the center in the vertical direction of the side columns 4a, 4b.

  The pair of side pillars 4a and 4b is made of a lip groove type steel arranged so that grooves are opposed to each other, a lower end thereof is fixed to a foundation anchor bolt or a beam (not shown), and an upper end is fixed to a beam (not shown). It is a pillar extending in the direction. Moreover, the upper frame material 5 is comprised by lip groove type steel, and is constructed by the top of a pair of side pillar 4a, 4b.

  The lower frame member 14 is formed of lip groove steel and is horizontally fixed between the side columns 4a and 4b. The intermediate horizontal member 7 is, for example, a lip groove type steel, and is horizontally laid at the center in the vertical direction of the side columns 4a and 4b, and a hole (not shown) through which the brace 3 can be inserted is provided at the center. .

  Each of the first diagonal member 8 and the second diagonal member 9 constituting the brace 3 is a round steel bar arranged two by two. The brace is not limited to round steel, and any material may be used as long as it can be used as a diagonal material for the bearing wall.

  As shown in FIGS. 2 and 3, two sandwiching plates 10 made of triangular steel plates are respectively parallel to each other from the lip portion on the stigma and the column base of the pair of side columns 4 a and 4 b. Welded towards the side. A rectangular flat gusset plate 11 is sandwiched between the clamping plates 10 and fixed by welding. The first diagonal member 8 has an upper end of one first diagonal member 8 on one surface of a gusset plate 11 fixed to the top of the right side column 4a in FIG. The upper end of the other first diagonal member 8 is welded to the other surface. And the lower end of one first diagonal member 8 is welded to one surface of the gusset plate 11 fixed to the column base of the left side column 4b via the clamping plate 10, and the other surface is welded to the other surface. The lower end of the first diagonal member 8 is welded. One first diagonal member 8 and the other first diagonal member 8 are arranged on the same plane parallel to the wall surface of the load bearing wall 1 so as not to cross each other.

  Further, the second diagonal member 9 has an upper end of one second diagonal member 9 on one surface of a gusset plate 11 fixed to the 4b head of the left side column in FIG. It is welded, and the upper end of the other second diagonal member 9 is welded to the other surface. The lower end of one second diagonal member 9 is welded to one surface of the gusset plate 11 fixed to the column base of the right side column 4a via the clamping plate 10, and the other surface is welded to the other surface. The lower end of the second diagonal member 9 is welded. One second diagonal member 9 and the other second diagonal member 9 do not cross each other and are on the same side parallel to the wall surface of the load bearing wall 1 on the indoor side of the first diagonal member 8. Be placed.

  Thus, without increasing the wall length of the load bearing wall 1, the load bearing wall 1 in which the first diagonal member 8 and the second diagonal member 9 are disposed in a double manner can be provided. It is possible to bear a greater horizontal proof stress than arranging the second diagonal members 9 one by one. Therefore, the wall length in which the bearing wall 1 of the house is installed can be reduced, and the degree of freedom in arranging the openings and the like can be increased.

  All the first diagonal members 8 are arranged on the same plane parallel to the wall surface of the load bearing wall 1, and all the second diagonal members 9 are located on the indoor side with respect to the first diagonal member 8. Therefore, the thickness of the load bearing wall 1 is the same as the case where the first diagonal member 8 and the second diagonal member 9 are provided one by one, and the first diagonal member 8 and the second diagonal member are provided. 9 can be arranged so as not to interfere with each other. And since the bearing wall is not made thick, the arrangement position of the bearing wall is not limited. Furthermore, since no wall fuzz is generated, a large indoor space can be taken, a decrease in heat insulation performance due to the thermal bridge can be suppressed, and a material cost such as a pillar can be suppressed.

  Further, a gusset plate 11 is fixed to the stigma and the column base of the pair of side pillars 4a and 4b, respectively. The end portions of the first diagonal member 8 are fixed to one surface and the other surface of the gusset plate 11, and the gusset plate 11 and the other side column fixed to the column base of the one side column 4a. Since the end portions of the second diagonal member 9 are fixed to one surface and the other surface of the gusset plate 11 fixed to the stigma 4b, respectively, the first surface and the other surface of the gusset plate 11 are respectively connected to the first surface and the other surface. By fixing the diagonal member 8 or the second diagonal member 9, even if a tensile force is applied to the diagonal members 8 and 9 by applying a horizontal force to the bearing wall 1, a tensile force is applied to both surfaces of the gusset plate 11. Joining To prevent the more gusset plate 11 is bent, it is possible to suppress the reduction in rigidity with respect to the horizontal force of bearing wall.

  Needless to say, the embodiment of the present invention is not limited to the above-described embodiment, and can be appropriately changed without departing from the scope of the idea of the present invention.

  The load-bearing wall 1 according to the present invention can be suitably used as the load-bearing wall 1 that can bear a large horizontal load-bearing force with a short wall length and can increase the design freedom of a house.

DESCRIPTION OF SYMBOLS 1 Bearing wall 3 Brace 4a, 4b Side pillar 8 1st diagonal material 9 2nd diagonal material 11 Gazette plate

Claims (3)

A load-bearing wall comprising a pair of side columns extending in the vertical direction and a brace disposed in a space between the pair of side columns,
The brace includes two or more first diagonal members fixed to a stigma of one side column and a column base of the other side column, and the other of the pair of side columns. And the two or more second diagonal members fixed to the column head of the side column and the column base of one side column,
All the first diagonal members are arranged on the same plane parallel to the wall surface of the load bearing wall, and all the second diagonal members are provided on the indoor side with respect to the first diagonal member. Bearing wall characterized by being a thing. Formed in a flat plate shape, perpendicular to the wall surface of the load-bearing wall and parallel to the longitudinal direction of the first diagonal member and the second diagonal member, on the column heads and column bases of the pair of side columns Further comprising a gusset plate to be fixed respectively,
A first diagonal member on each of one surface and the other surface of the gusset plate fixed to the top of one side column of the pair of side columns and the column base of the other side column. The end of the is fixed,
The ends of the second diagonal members are fixed to one surface and the other surface of the gusset plate fixed to the column base of the one side column and the gusset plate fixed to the top of the other side column, respectively. The load-bearing wall according to claim 1.   A house comprising the load bearing wall according to claim 1.

Images