JP2007177574A - Antiseismic wall and antiseismic reinforcement method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an antiseismic wall, for a use in a skeleton of steel construction, without impairing its aesthetic appearance of the skeleton while there is no need of reinforcing the skeleton because of its over-heavy weight. <P>SOLUTION: The antiseismic wall 1 is composed in such a way that a wall-plate 2 is installed in a portion surrounded by a column 26 and a beam 27 of a skeleton 25. The wall-plate 2 is formed in a square-sheet with a plurality of plastic blocks 3 piled up while adjacent blocks 3, 3 are joined to each other. At least three sides of the wall-plate 2 are contacted relatively slidable with the column 26 and the beam 27 of the skeleton 25. A sliding member 24 is interposed between at least three sides of the wall-plate 2 and the column 26 as well as the beam 27 of the skeleton 25. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a seismic wall and a seismic reinforcement method, and more particularly, to a seismic wall and a seismic reinforcement method effective for seismic reinforcement of a steel frame.

  As a method of performing seismic reinforcement of an existing building, there is a method of adding a seismic wall to the building. For example, as described in Patent Document 1, a reinforced concrete seismic wall is provided in a portion surrounded by a beam and a column of a frame. A method of building is proposed.

In the case of a reinforced concrete seismic wall with such a structure, there is no particular problem when the frame is reinforced concrete, and it fully functions as a reinforced concrete seismic wall that can provide high strength with small deformation. Is something that can be done.
Japanese Patent No. 2772850

  However, when a reinforced concrete seismic wall constructed as described above is used in a steel building, most of the external force is input to the seismic wall, so when the seismic wall breaks, the surrounding beams and columns This means that the steel frame does not produce any power, and it becomes a very unbalanced and uneconomical enclosure. In addition, the reinforced concrete seismic wall is too heavy for the steel frame, so that the strength of the frame must be increased more than necessary, resulting in a very uneconomical frame.

  For this reason, in general, braces are often used for seismic reinforcement of steel frames, but there is a problem in that the beauty of the building is impaired by attaching braces to the frame. In addition, in the case of a building using a computer or the like, the brace cannot be attached to the housing by welding because there is a risk of affecting the electrical system. For this reason, it is necessary to attach the brace to the housing with bolts, and it takes time and effort to attach the brace.

  The present invention has been made in view of the conventional problems as described above, and when used in a steel frame, it does not impair the beauty of the frame, and the weight is too heavy. In buildings using computers, etc., it can be expanded without affecting the electrical system, and it is easy to install and saves the time and effort required for installation. The object is to provide a seismic wall and a seismic reinforcement method that can be reduced.

In order to solve the above problems, the present invention employs the following means.
That is, the invention according to claim 1 is a seismic wall in which a wall plate is provided in a portion surrounded by a column and a beam of the frame, and the wall plate is adjacent to each other by stacking a plurality of plastic blocks. The blocks are joined to each other, and at least three sides of the wall plate are brought into slidable contact with the columns or beams of the frame.

According to the earthquake-resistant wall according to the present invention, the wall plate is formed by stacking a plurality of plastic blocks, so that the weight can be significantly reduced as compared with a reinforced concrete wall plate. Therefore, when providing in the part enclosed by the pillar and beam of a housing, it can provide without reinforcing a housing.
In addition, since at least three sides of the wall plate are slidably in contact with the column or beam of the housing, when the housing is deformed, the three sides of the wall plate slide relative to the housing. It will be. Therefore, there is almost no shearing force acting on the wall plate, and only the compressive force in the diagonal direction acts on the wall plate. It is possible to prevent cracks between the blocks.

  The invention according to claim 2 is the earthquake resistant wall according to claim 1, wherein at least three sides of the wall plate are slidably contacted with a column or beam of the frame via a sliding material. It was made to be characterized.

  According to the earthquake-resistant wall according to the present invention, at least three sides of the wall plate are slidably in contact with the column or beam of the frame via the sliding material, so that when the frame is deformed, Three sides will slide relative to the housing. Therefore, there is almost no shearing force acting on the wall plate, and only the compressive force in the diagonal direction acts on the wall plate. It is possible to prevent cracks between the blocks.

  The invention according to claim 3 is the earthquake resistant wall according to claim 1, characterized in that a cushioning material is interposed between at least three sides of the wall plate and the pillar or beam of the frame. To do.

  According to the seismic wall according to the present invention, since the buffer material is interposed between at least three sides of the wall plate and the column or beam of the frame, the buffer material is deformed or deformed when the frame is deformed. By being destroyed, the three sides of the wall plate slide relative to the housing. Therefore, there is almost no shearing force acting on the wall plate, and only the compressive force in the diagonal direction acts on the wall plate. It is possible to prevent cracks between the blocks.

  The invention according to claim 4 is the earthquake-resistant wall according to any one of claims 1 to 3, wherein each block of the wall plate is made of fiber reinforced plastic.

  According to the earthquake resistant wall according to the present invention, the wall plate is formed by stacking a plurality of blocks made of fiber reinforced plastic, so that the weight can be significantly reduced as compared with the reinforced concrete wall plate, and the strength Can also be secured. Therefore, when providing in the part enclosed by the pillar and beam of a housing, it can provide without reinforcing a housing and can also ensure the intensity | strength as an earthquake-resistant wall.

  The invention according to claim 5 is the earthquake resistant wall according to any one of claims 1 to 4, wherein each of the blocks is a frame and a reinforcing member that is integrally provided inside the frame and reinforces the frame. It is characterized by the following.

  According to the seismic wall according to the present invention, the wall plate can be changed into various designs by making the shape of the frame and the reinforcing member inside the frame into various shapes. Can be increased.

  The invention according to claim 6 is the earthquake resistant wall according to any one of claims 1 to 5, wherein the frame is a steel frame.

According to the earthquake-resistant wall according to the present invention, the wall plate is formed by stacking a plurality of plastic blocks, so that the weight can be significantly reduced as compared with a reinforced concrete wall plate. Therefore, when providing in the part enclosed by the column and beam of a steel frame, it can provide without reinforcing a frame.
Furthermore, since it is not necessary to provide braces when the frame is seismically strengthened, the appearance of the frame is not impaired. Furthermore, even if the housing is a building that uses a computer or the like, work such as welding is not necessary, so that it can be expanded without affecting the electrical system.

  The invention according to claim 7 is a seismic reinforcement method for seismically reinforcing the casing by providing a seismic wall by providing a wall plate in a portion surrounded by the columns and beams of the casing, A plurality of plastic blocks are stacked and adjacent blocks are joined to each other, and at least three sides of the wall plate are brought into slidable contact with the columns or beams of the frame. And

According to the seismic reinforcement method according to the present invention, the wall plate is formed by stacking a plurality of plastic blocks, so that the weight can be significantly reduced as compared with a reinforced concrete wall plate. Therefore, when providing in the part enclosed by the pillar and beam of a housing, it can provide without reinforcing a housing.
In addition, since at least three sides of the wall plate are slidably in contact with the column or beam of the housing, when the housing is deformed, the three sides of the wall plate slide relative to the housing. It will be. Therefore, there is almost no shearing force acting on the wall plate, and only the compressive force in the diagonal direction acts on the wall plate. It is possible to prevent cracks between the blocks.

  As described above, according to the seismic wall and seismic reinforcement method of the present invention, the wall plate is formed by stacking a plurality of plastic blocks, so that the weight is significantly larger than that of the reinforced concrete wall plate. Can be lightened. Therefore, when providing in the part enclosed by the pillar and beam of a housing, it can provide without reinforcing a housing. In addition, since at least three sides of the wall plate are slidably in contact with the column or beam of the housing, when the housing is deformed, the three sides of the wall plate slide relative to the housing. It will be. Therefore, there is almost no shearing force acting on the wallboard, and only the compressive force in the diagonal direction acts on the wallboard. It is possible to prevent cracks from occurring between them. Furthermore, when the frame is steel, the frame can be seismically reinforced without providing braces, so there is no loss of aesthetics when braces are used, and work such as welding is not required. Without the need, the construction period can be shortened and the cost can be reduced.

Hereinafter, embodiments of the present invention shown in the drawings will be described.
1 to 5 show a first embodiment of a seismic wall according to the present invention. FIG. 1 is a schematic front view showing the whole seismic wall, and FIG. 2 is an enlarged view of a portion A in FIG. 3 is a cross-sectional view taken along the line AA of FIG. 2, FIG. 4 is a front view showing a state at the time of deformation, and FIG. 5 is an explanatory view showing the relationship between the fall prevention mechanism and the sliding material. 1 to 4 show only a part of the fall prevention mechanism.

  That is, the seismic wall 1 shown in the present embodiment is applied to a steel structure (S structure) building, and is surrounded by a column 26 and a beam 27 of a housing 25 such as a building as shown in FIG. A quadrangular plate-like wall plate 2 is provided in the portion to be slidable, and at least three sides (four sides in the present embodiment) of the wall plate 2 are slidable relative to the column 26 and the beam 27 of the housing 25 It is composed.

  The wall plate 3 is formed by stacking a plurality of blocks 3 made of plastic (Fiber Reinforced Plastics) vertically and horizontally and integrally joining the adjacent blocks 3 and 3 with a resin adhesive. It is formed in a rectangular plate shape, and a predetermined gap 29 is formed between the column 26 and the beam 27 in a space 28 formed in a portion surrounded by the column 26 and the beam 27 of the housing 25. In each gap 29, a fall prevention mechanism 8 and a sliding material 24, which will be described later, are respectively provided.

  As shown in FIG. 10, each block 3 constituting the wall plate 2 has a substantially rectangular parallelepiped shape including a rectangular ring frame 4 and a reinforcing member 5 provided integrally inside the frame 4. The frames 4 and 4 of the blocks 3 and 3 adjacent to each other in the vertical and horizontal directions are integrally joined via a resin adhesive or the like.

  The reinforcing members 5 constituting each block 3 are formed in a lattice shape by combining a plurality of rib plates 6, and are integrally provided inside the frame 4. The reinforcing member 5 may be formed integrally with the frame 4 or may be formed separately from the frame 4 and integrally joined to the inside of the frame 4 with an adhesive or the like.

  By integrally providing the reinforcing member 5 on the inner side of the frame 4, the inner portion of the frame 4 can be reinforced, and the appearance of the block 3 can be given by the lattice-like design of the reinforcing member 5. In addition, a plurality of openings 7 are formed in the inner portion of the frame 4 by the lattice-shaped portion of the reinforcing member 5, and air can be circulated between the front and back surfaces of the earthquake resistant wall 1 through the openings 7. It can also transmit light.

  In a gap 29 formed between at least three sides of the wall plate 2 and the column 26 and the beam 27 of the housing 25, as shown in FIG. 5, the fall prevention mechanism 8 for preventing the wall plate 2 from falling. And a sliding member 24 configured so that at least three sides of the wall plate 2 can slide relative to the column 26 and the beam 27 of the housing 25.

  As shown in FIG. 5, the fall prevention mechanism 8 is provided on each side of the wall plate 2 and a guide member 9 provided in a portion facing the column 26 of the housing 25 and the space 28 of the beam 27, and a part thereof. The locking member 12 is locked to a part of the guide member 9, and the wall plate 2 is prevented from falling by the cooperation of the guide member 9 and the locking member 12.

  As shown in FIG. 5, the guide member 9 fixes a pair of L-shaped angle members 10 and 10 to bolts 11 at a predetermined interval in a portion facing the space 26 of the column 26 and the beam 27 of the housing 25. The pair of angle members 10 and 10 function as guide portions 10 and 10 that lock a part of the locking member 12.

  As shown in FIG. 5, the locking member 12 sandwiches the ribs 14, 14 of the pair of T-shaped steel materials 13, 13 from both sides by the pair of connecting plates 16, 16. In this state, the connecting plate 16, 16 and ribs 14 and 14 are inserted into bolts 17 and 17 and tightened so that one flange portion 15 is attached to each side of wall plate 2 via an adhesive or the like. The other flange portion 15 is inserted integrally between both guide portions 10 and 10 of the guide member 9 so as to be movable in the longitudinal direction of the column 26 and the beam 27, and the end face of the other flange portion 15 is the both guide portions 10. 10 is prevented from falling down.

  A plate-like sliding member 24 is integrally joined to the outer surface of the other flange portion 15 of the locking member 12 over the entire length of the flange portion 15 via an adhesive or the like. Is in slidable contact with the portion of the housing 25 facing the space 26 of the column 26 and the beam 27. The sliding member 24 is not particularly limited as long as each side of the wall plate 2 can be slid relative to the column 26 and the beam 27 of the casing 25, and various plastics and metal types can be used. A sliding material 24 such as is used.

  As shown in FIG. 6, the locking member 12 is formed in an H shape by integrally connecting a T-shaped steel material 13 and two L-shaped angle members 20 and 20 via bolts 17. The materials 20 and 20 may be integrally joined to each side of the wall plate 2 via an adhesive or the like. Further, as shown in FIG. 7, the locking member 12 is constituted by the H-shaped steel 21, and one flange portion 21 a of the H-shaped steel 21 is integrally joined to each side of the wall plate 2 through an adhesive or the like. May be. Further, as shown in FIG. 8, the locking member 12 is constituted by the square pipe 22, and the locking member 12 composed of the square pipe 22 is integrally joined to each side of the wall plate 2 via an adhesive or the like. Also good. Further, as shown in FIG. 9, one or two or more flat bars 23 are combined to form a locking member 12, and the locking member 12 made of the flat bar 23 is attached to each side of the wall plate 2. Etc., may be joined together.

  When the frame 25 having the seismic wall 1 according to the present embodiment configured as described above is deformed by receiving an external force such as an earthquake force, as shown in FIG. At least three sides of the wall plate 2 provided in the space 28 surrounded by the portion 27 are slidably in contact with the pillars 26 and the beams 27 of the housing 25 via the sliding member 24. Therefore, at least three sides thereof slide relative to the column 26 and the beam 27 of the housing 25.

  Therefore, when the housing 25 is deformed, almost no shearing force is applied to the wall plate 2 and only the compressive force in the diagonal direction is applied. While ensuring, it can prevent that a crack arises in the junction part between the adjacent blocks 3 and 3 of the wall board 2, and it can prevent that the beauty | look is impaired by a crack.

  Further, since the wall plate 2 is formed by stacking a plurality of plastic blocks 3, the weight can be significantly reduced as compared with a reinforced concrete wall plate. Therefore, when it uses for the steel frame 25 body, the earthquake-resistant wall 1 can be comprised, without raising the intensity | strength of the frame 25, and the effort which an earthquake-proof reinforcement construction requires can be reduced significantly.

  Furthermore, since it is not necessary to reinforce the steel frame 25 with braces, the work of joining the braces to the frame 25 by welding becomes unnecessary. Therefore, since it can apply also to the case where the building which uses a computer etc. is earthquake-proof strengthened, it can apply to the earthquake-proof reinforcement of various frame 25, and can improve versatility.

  Furthermore, since the work of attaching the wall plate 2 to the housing 25 can be facilitated, the time and labor required for installation can be greatly reduced, and the labor and cost required for adding the seismic wall 25 can be reduced. Can do.

  Further, since a fall prevention mechanism 8 for preventing the wall plate 2 from falling is provided in the gap 29 between at least three sides of the wall plate 2 and the column 26 and the beam 27 of the housing 25, the wall When the plate 2 slides relative to the column 26 and the beam 27 of the frame 25, the wall plate 2 does not fall down and can continue to function as the earthquake-resistant wall 1.

  In the above description, the sliding member 24 is interposed between at least three sides of the wall plate 2 and the column 26 and the beam 27 of the casing 25. However, at least three sides of the wall plate 2 and the casing 25 are not provided. A cushioning material (not shown) may be interposed between the column 26 and the beam 27. When the cushioning material is interposed, the cushioning material is elastically deformed or the cushioning material is destroyed at an early stage, so that at least three sides of the wall plate 2 are relative to the column 26 and the beam 27 of the housing 25. Will slide.

  Buffer materials include viscous materials (jelly-like materials with high viscosity), viscoelastic materials (materials with viscoelasticity such as styrene rubber and asphalt rubber), adhesives (resin adhesives, etc.), grout Materials and the like.

It is the schematic front view which showed the whole earthquake-resistant wall by this invention. It is an enlarged view of the A section of FIG. It is the sectional view on the AA line of FIG. It is explanatory drawing which showed the state at the time of a deformation | transformation of a seismic wall. It is explanatory drawing which showed the relationship between a fall prevention mechanism and a sliding material. It is explanatory drawing which showed the modification of the fall prevention mechanism. It is explanatory drawing which showed the modification of the fall prevention mechanism. It is explanatory drawing which showed the modification of the fall prevention mechanism. It is explanatory drawing which showed the modification of the fall prevention mechanism. It is a perspective view of the block of a wall body.

Explanation of symbols

1 earthquake-resistant wall, 2 wall plate, 3 block, 4 frame, 5 reinforcing member,
6 rib plate, 7 opening, 8 fall prevention mechanism, 9 guide member,
10 Angle material (guide part), 11 bolt, 12 locking member,
13 T-shaped steel, 14 ribs, 15 flanges, 16 connecting plates,
17 bolt, 20 angle material, 21 H-section steel, 21a flange,
22 square pipe, 23 flat steel, 24 sliding material, 25 frame, 26 pillars,
27 beams, 28 spaces, 29 gaps

Claims (7)

A seismic wall with a wall plate in the part surrounded by the pillars and beams of the frame,
The wall plate is formed by stacking a plurality of plastic blocks and joining adjacent blocks to each other, and at least three sides of the wall plate are slidably in contact with the column or beam of the frame. A seismic wall characterized by having been made.   The earthquake-resistant wall according to claim 1, wherein at least three sides of the wall plate are brought into contact with a pillar or beam of the frame via a sliding material so as to be relatively slidable.   The earthquake-resistant wall according to claim 1, wherein a buffer material is interposed between at least three sides of the wall plate and the column or beam of the frame.   4. The earthquake resistant wall according to claim 1, wherein each block of the wall plate is made of fiber reinforced plastic. 5.   5. The earthquake-resistant wall according to claim 1, wherein each of the blocks includes a frame and a reinforcing member that is integrally provided inside the frame and reinforces the frame.   The earthquake resistant wall according to any one of claims 1 to 5, wherein the frame is a steel frame. A seismic reinforcement method for seismically reinforcing the housing by providing a wall with a wall plate in a portion surrounded by the columns and beams of the housing,
The wall plate is formed by stacking a plurality of plastic blocks and joining adjacent blocks to each other, and at least three sides of the wall plate are slidably in contact with the column or beam of the frame. Seismic reinforcement method characterized by having been made.

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