JP2007332728A - Earthquake-resisting wall setting structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To make expenses associated with setting of an earthquake-resisting wall difficult to increase with high setting flexibility of the earthquake-resisting wall even in such a case that earthquake resistance of an existing building is enhanced by setting a new earthquake-resisting wall within the building. <P>SOLUTION: In the earthquake-resisting wall setting structure in which an earthquake-resisting wall A is set extending over an upper floor slab 5 and a lower floor slab 6 supported by a plurality of beam members 1 and 2 and column members 3 and 4 supporting end portions of the beam members, the upper part of the earthquake-resisting wall is disposed extending over the different beam members which support the upper floor slab, and the lower part of the earthquake-resisting wall is disposed extending over the different beam members or column members which support the lower floor slab. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention provides a seismic wall in which a seismic wall is installed across an upper floor slab and a lower floor slab each supported by a plurality of beam members and a column member supporting an end portion of the beam member. Regarding installation structure.

  In the conventional seismic wall installation structure, the upper and lower beam members arranged at the same position in plan view among the beam members supporting the upper floor slab and the lower floor slab, and the upper and lower beams A seismic wall is installed on the inside surrounded by the left and right column members that support both ends of the beam member that supports the upper floor slab. The relative displacement of the members and the left and right column members can be regulated (this is a well-known and commonly used technique and information on prior art documents cannot be disclosed).

For this reason, the location of the seismic wall is restricted to the position surrounded by the upper and lower beam members and the left and right column members of the building. If you want to increase the earthquake resistance of an existing building by installing walls inside the building, you can change the existing room layout so that the newly installed earthquake-resistant wall will not interfere with the use of the building, It may be necessary to rearrange equipment and the like, and there is a drawback that the cost associated with the installation of the seismic wall tends to increase.
The present invention has been made in view of the above circumstances, and the degree of freedom of the arrangement of the earthquake-resistant wall is high, and even when a new earthquake-resistant wall is installed inside the building and it is desired to improve the earthquake resistance of the existing building, The purpose is to make it difficult to increase the costs associated with installation.

  The first characteristic configuration of the present invention is that a seismic wall is installed across an upper floor slab and a lower floor slab that are respectively supported by a plurality of beam members and a column member that supports an end of the beam member. A seismic wall installation structure, wherein an upper part of the seismic wall is a beam member supporting the upper floor slab, and is arranged across different beam members, and the seismic wall The lower part is a beam member or a column member that supports the lower floor slab, and is arranged over a different beam member or column member.

[Action and effect]
A beam member that supports the upper floor slab at the upper part of the earthquake-resistant wall and is arranged across different beam members, and a beam member that supports the lower floor slab at the lower part of the earthquake-resistant wall Or it is a pillar member and it is arranged over the beam members or pillar members that are different from each other, so that the seismic wall is located at a position surrounded by the upper and lower beam members and the left and right pillar members of the building as in the past. Relative displacement between different beam members supporting the upper floor slab and relative displacement between different beam members or column members supporting the lower floor slab due to the occurrence of an earthquake And the seismic wall can be installed over the upper and lower floor slabs so that the relative displacement between the upper and lower floor slabs can be regulated.
Therefore, the degree of freedom in placing the earthquake-resistant walls is higher than in the past, and as a result, even if you want to install a new earthquake-resistant wall inside the building to improve the earthquake resistance of the existing building, there will be a hindrance in using the building. It will be possible to install the seismic walls so that they will not come out, and the costs associated with installing new seismic walls will hardly increase.

Embodiments of the present invention will be described below with reference to the drawings.
[First Embodiment]
1 to 4 show a plurality of beam members 1 (1a, 1b), 2 (2a, 2b) and their beam members 1, in order to increase the seismic strength of existing reinforced concrete buildings. Two new seismic walls A (A1, A2) are vertically arranged across the upper floor slab 5 and the lower floor slab 6 that are respectively supported by the column members 3 and 4 that support the ends of the two. 1 shows a seismic wall installation structure according to the present invention which is installed alongside, and the upper floor slab 5, the lower floor slab 6, the beam members 1 and 2, and the column members 3 and 4 are integrally made of reinforced concrete. It is built.

  The upper floor slab 5 includes a plurality of longitudinal upper beam members 1a parallel to each other, a plurality of lateral upper beam members 1b parallel to each other along a direction perpendicular to the longitudinal upper beam members 1a, and It is supported by a plurality of upper beam supporting column members 3 that support end portions of the upper beam member 1.

  The lower floor slab 6 is a lower beam member 2 provided in the same arrangement as the upper beam member 1 in plan view, and includes a plurality of vertical lower beam members 2a parallel to each other and their longitudinally lower A plurality of lateral lower beam members 2b that are parallel to each other along a direction orthogonal to the side beam member 2a, and a plurality of lower beam support column members 4 that support the ends of the lower beam members 2 The upper beam supporting column member 3 is constructed immediately above each of the lower beam supporting column members 4.

  As the earthquake-resistant wall A, a flat earthquake-resistant wall A1 whose wall surface is substantially flat and a curved earthquake-resistant wall A2 whose wall surface is curved in an arc shape in a plan view are installed. Two upper beam members 1 whose upper portions are different from each other, that is, a series of two lower upper beam members 1a adjacent to each other in parallel, are arranged in series, and the lower portions thereof are two lower beam members different from each other. It arrange | positions in series over the member 2, ie, the 2 vertical direction lower side beam member 2a adjacent in parallel.

  The flat earthquake-resistant wall A1 is vertically installed along the direction orthogonal to the vertical upper beam member 1a and the vertical lower beam member 2a, and the curved earthquake-resistant wall A2 is a line segment connecting the left and right end portions thereof. L is installed vertically along a direction obliquely intersecting the longitudinal upper beam member 1a and the longitudinal lower beam member 2a.

  5 and 6 show a mounting structure of the flat earthquake-resistant wall A1, and a steel framework member formed into a substantially rectangular shape by welding and fixing both end portions of the upper side portion 7 and the lower side portion 8 to the left and right side portions 9. 10 is bonded to the upper floor slab 5, the left and right longitudinal upper beam members 1a, and the lower floor slab 6 with an adhesive 11 such as an epoxy resin, and is integrally fixed to the building side substantially vertically. A reinforced concrete plate 12 is integrally provided on the inside.

  Each of the upper side portion 7 and the lower side portion 8 of the frame member 10 is formed of a strip-shaped steel plate whose band width direction is along the horizontal direction, and each of the left and right side portions 9 is a beam of the vertical upper beam member 1a. A strip-shaped steel plate portion 13 extending along the lateral side surface, and a vertical frame portion 14 made of H-shaped steel or a square tube-shaped steel pipe that is vertically inserted between the longitudinal upper beam member 1a and the lower floor slab 6. It is formed by welding together.

  A plurality of anchor reinforcing bars (shear reinforcing bars) 15 are welded and fixed at intervals in the circumferential direction on the inner peripheral side of the frame member of the upper side part 7, the lower side part 8, and the left and right side parts 9, and a grid-like wall Reinforcing bars 16 are arranged, and concrete is cast in a state in which both sides are surrounded by a mold (not shown), and a reinforced concrete plate 12 integrated with the frame member 10 is constructed.

  Although not shown, the curved seismic wall A2 is constructed by integrally constructing a reinforced concrete plate 12 curved along the framework member 10 inside the curved steel framework member 10, and mounting the same as the flat seismic wall A1. The structure is provided.

[Second Embodiment]
7 and 8 show another embodiment of the seismic wall installation structure according to the present invention. In plan view, the upper part is obliquely intersected with the lateral upper beam member 1b and the lateral lower beam member 2b. Is installed in series over the lower side of the two vertical upper beam members 1a, and the seismic wall A is installed in which the lower part is arranged in series over the upper two vertical beam members 2a. It is.

In this embodiment, the frame member 10 is bonded to the building side substantially vertically by adhering the strip-shaped steel plate forming the upper side portion 7 along the lateral upper beam member 1a, and is fixed to the building side substantially vertically. A reinforced concrete plate 12 is integrally constructed inside.
Other configurations are the same as those of the first embodiment.

[Third Embodiment]
9 and 10 show another embodiment of the seismic wall installation structure according to the present invention, in which the upper part is arranged in series over the lower side of the two longitudinal upper beam members 1a, and the lower part is one longitudinal direction. The seismic wall A is installed in a series over the lower beam member 2a and the upper beam supporting column member 4 where the upper beam supporting column member 3 is not constructed immediately above. is there.
Other configurations are the same as those of the first embodiment.

[Other Embodiments]
1. The seismic wall installation structure according to the present invention is provided with a reinforced concrete plate integrally on the inner side of the seismic wall shown in the first embodiment, that is, a frame member formed of a strip-shaped steel plate and an H-shaped steel or a square tubular steel pipe. Instead of the seismic wall, a seismic wall made entirely of reinforced concrete may be integrally installed on the upper floor slab, the upper beam member, and the lower floor slab.
2. The earthquake-resistant wall installation structure according to the present invention may be configured by installing an earthquake-resistant wall integrally fixed to the upper floor slab, the upper beam member, and the lower floor slab with an anchor member.
3. In the seismic wall installation structure according to the present invention, the seismic wall is arranged in a series over the lower part of the two lower beam supporting column members where the upper beam supporting column member is not constructed immediately above. It may be configured.
4). The seismic wall installation structure according to the present invention includes an upper floor slab and a lower floor in which the arrangement of the upper beam member and the upper beam supporting column member and the arrangement of the lower beam member and the lower beam supporting column member are different in plan view. A seismic wall may be installed over the slab.
5). The seismic wall installation structure according to the present invention has an upper part arranged below the upper beam member provided on the building outer wall part and a lower beam member or a lower beam supporting column provided on the building outer wall part. A seismic wall arranged over the member may be installed.
6). The seismic wall installation structure according to the present invention is such that the upper part of the seismic wall is arranged over the lateral side of at least one of the upper beam members different from each other, and is provided integrally with the upper beam member. There may be.
7). The earthquake-resistant wall installation structure according to the present invention may be configured by installing earthquake-resistant walls arranged at the same position in plan view on each of a plurality of floor portions adjacent in the vertical direction.
8). The seismic wall installation structure according to the present invention may be a seismic wall installation structure in a newly constructed building.

Seismic wall installation structure perspective view Top view of the upper floor slab side Top view of the lower floor slab side Side view of earthquake-resistant wall Side view showing installation structure of earthquake resistant wall Sectional view showing the installation structure of the earthquake resistant wall Plan view on the upper floor slab showing the second embodiment Plan view on the lower floor slab side showing the second embodiment The top view by the side of the upper floor slab which shows 3rd Embodiment Plan view on the lower floor slab side showing the third embodiment

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Beam member 2 Beam member 3 Column member 4 Column member 5 Upper floor slab 6 Lower floor slab A Earthquake-resistant wall

Claims (1)

A seismic wall installation structure in which seismic walls are installed across an upper floor slab and a lower floor slab that are respectively supported by a plurality of beam members and a column member that supports an end of the beam member. And
The upper part of the seismic wall is a beam member supporting the upper floor slab, and is arranged across different beam members,
A seismic wall installation structure in which a lower part of the seismic wall is a beam member or a column member that supports the lower floor slab, and is disposed over different beam members or column members.

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