JP2012026079A - Earthquake strengthening method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an earthquake strengthening method for executing earthquake strengthening of a house while securing a storage space and building storage furniture.SOLUTION: A bookshelf 11 includes a bottom plate 13, side plates 15, 15, a top plate 17, a back plate 19, a partition plate 21, and a shelf plate 23, and plate materials 13, 15, 17, 21 and 23 other than the back plate 19 are assembled beforehand to form a bookshelf body part 25. A part of a plate material 5 attached to the indoor side of many columns 3, 3..., 3 erected on a horizontal column 1 to be a base is removed and a reinforcing column 31 is fixed to the side faces of the adjacent columns 3, 3. The back plate 19 of the bookshelf 11 is fixed to the reinforcing column 31, and the bookshelf body part 25 is fixed to the back plate 19 fixed to the reinforcing column 31. The bookshelf 11 is grounded on a floor surface through a plinth 57 and an end rail 59 provided on the upper part of the bookshelf 11 is abutted to a ceiling.

Description

  The present invention relates to a seismic reinforcement method for improving the earthquake resistance of a house.

  Various seismic reinforcement works have been carried out to improve the earthquake resistance of houses. For example, columns are connected to each other with a large number of metal fittings, and braces are inserted. As a result, collapse due to an earthquake or the like is prevented.

  However, all the conventional methods have been intended only for reinforcement work.

  Then, this invention is providing the earthquake-proof reinforcement construction method of the house which can ensure a storage space or can install storage furniture simultaneously by performing reinforcement construction.

  The present invention has been made to solve the above-mentioned problems, and the invention according to claim 1 is a plate member that removes a wall material attached between pillars and constitutes storage furniture between the pillars. The seismic reinforcing method is characterized in that the other member of the storage furniture is attached to the plate member.

  The invention according to claim 2 is that the plate member is a back plate of the storage furniture, and the unit of the storage furniture excluding the back plate is assembled in advance by the other member, and the back plate is interposed between columns. The seismic reinforcement method according to claim 1, wherein the unit is assembled to the back plate after mounting.

  In the invention according to claim 3, after the storage furniture is assembled in advance and the wall material attached between the columns is removed, the plate member constituting the storage furniture is fixed between the columns and the storage furniture is installed. It is a seismic reinforcement method characterized by

  The invention according to claim 4 is the seismic reinforcement method according to any one of claims 1 to 3, characterized in that a column to which the plate member is fixed and a horizontal column are connected by a metal fitting. .

  The invention according to claim 5 is characterized in that an auxiliary pillar is fixed to the pillar and the plate member is fixed to the auxiliary pillar. It is.

  The invention according to claim 6 abuts the additional column on a column inclined in the indoor / outdoor direction, arranges the additional column vertically with respect to the floor surface, and fixes the additional column to the column, The seismic reinforcement method according to claim 5, wherein the plate member is fixed to the auxiliary pillar.

  Further, the invention according to claim 7 is characterized in that the plate member is fixed to the column or the accessory column by screwing a screw at a predetermined interval or driving a nail at a predetermined interval. The seismic reinforcement method according to any one of claims 1 to 6.

  According to the seismic reinforcement method of the present invention, it is possible to perform seismic reinforcement of a house while securing a storage space or building storage furniture.

It is a disassembled perspective view which shows one Example of the earthquake-proof reinforcement method of this invention. It is a disassembled perspective view which shows the connection method of the back plate and side plate of the bookshelf of FIG. It is sectional drawing which shows the connection state of the backplate and side plate of the bookshelf of FIG. It is sectional drawing which looked at the state which fixed the bookshelf to the pillar from the side. It is sectional drawing which looked at the state which fixed the bookshelf to the pillar from the plane. It is a figure which shows the modification of the bookshelf of FIG. 1, and has shown in the cross section the state fixed to the pillar. It is a figure which shows another modification of the bookshelf of FIG. 1, and has shown in the cross section the state fixed to the pillar. It is sectional drawing which shows the state which fixes one side plate of a bookshelf to a pillar, and installs a bookshelf. It is sectional drawing which shows the state which fixed the backplate of the bookshelf directly to the pillar, and installed the bookshelf. It is a figure which shows another Example of the earthquake-proof reinforcement construction method of this invention, (a) is a front view, (b) is sectional drawing seen from the plane. It is a perspective view which shows another Example of the earthquake-proof reinforcement method of this invention.

  Hereinafter, an embodiment of the seismic reinforcement method of the present invention will be specifically described with reference to the drawings.

  FIG. 1 is an exploded perspective view showing an embodiment of the seismic reinforcement method of the present invention.

  The seismic reinforcement method of the present embodiment is typically applied to second-hand houses, particularly wooden second-hand houses. In a wooden house, rectangular plates are usually attached to the outdoor side and the indoor side of a large number of pillars 3, 3,... In the present embodiment, a part of the plate material (face material) 5 attached to the indoor side of the pillar 3 is removed, and the storage furniture is newly fixed to the pillar 3 to perform earthquake resistance reinforcement. In this embodiment, the bookshelf 11 is used as storage furniture.

The bookshelf 11 includes a rectangular plate-like bottom plate 13 that is horizontally disposed, side plates 15 and 15 that are vertically fixed to both ends of the bottom plate 13 in the width direction, and upper portions of the pair of side plates 15 and 15. And a back plate 19 that closes the rear surface of a rectangular frame composed of these plate members 13, 15, 15, 17.
In the illustrated example, a partition plate 21 is provided so as to connect the center portions in the width direction of the top plate 17 and the bottom plate 13, and the top plate 17 and the bottom plate 13 are divided into left and right parts. Further, a plurality of shelf plates 23 are provided between each side plate 15 and the partition plate 21 so as to be separated from each other in the vertical direction. Note that a part or all of the plurality of shelf boards 23 can be changed in mounting position up and down. Each of the plate members 13, 15, 17, 19, 21, and 23 is formed of a finishing material such as a solid material, a melamine board, or a veneer.

In the bookshelf 11, members excluding the back plate 19 are assembled in advance to form a bookshelf main body 25. That is, the bottom plate 13, the side plates 15 and 15, the top plate 17, the partition plate 21 and the shelf plate 23 are assembled to constitute a bookcase main body 25 as a unit.
Further, in the present embodiment, a rectangular frame-shaped pedestal 57 is provided below the bottom plate 13, and the bookshelf 11 is grounded to the floor surface f via the pedestal 57. A curtain plate 59 is attached to the upper part of the bookshelf 11, and this curtain plate 59 is in contact with the ceiling c.

FIG. 2 is an exploded perspective view showing a method of connecting the back plate and the side plate.
FIG. 3 is a cross-sectional view showing a connected state of the back plate and the side plate.

  As shown in FIGS. 1 to 3, a plurality of pins 27 are attached to the back plate 19 at the left and right side edges thereof so as to be spaced apart from each other in the vertical direction. Therefore, a plurality of screw holes are formed at the left and right ends of the back plate 19 so as to be spaced apart from each other in the vertical direction. In this embodiment, three screw holes are formed on the back plate 19 at regular intervals in the vertical direction.

  The pin 27 has a round bar shape, and a screw is formed on the outer peripheral surface of the tip portion 27a. An annular groove 27b is formed on the outer peripheral surface of the pin 27 along the circumferential direction. The pin 27 is formed in a substantially spherical shape on the base end side from the groove 27b, and the base end is formed on a flat surface. The tip 27 of the pin 27 is attached to the back plate 19 by being screwed into the screw hole of the back plate 19.

Next, the procedure of the seismic reinforcement method of the present embodiment will be described.
First, for example, one of the plate materials (face materials) 5 fixed to the indoor side of the pillar 3 is removed. And in FIG. 1, the attachment pillar 31 is each fixed to the side surface of the pillars 3 (3A) and 3 (3B) which were spaced apart on either side. The accessory pillar 31 is a pillar material having a rectangular cross section, and is fixed to the pillar 3 with screws or nails. In the present embodiment, the supporting columns 31 are fixed to the right side surface of the left column 3A and the left side surface of the right column 3B by screws. Further, in the illustrated example, the accessory column 31 is shorter than the column 3 and is fixed to the column 3 with a gap formed between the horizontal column 1 constituting the base and the upper horizontal column 35. And the metal substantially L-shaped auxiliary tool 37 is fixed so that the horizontal pillar 1 and the pillar 3 and the horizontal pillar 35 and the pillar 3 may be connected. The auxiliary tool 37 has one end fixed to the horizontal columns 1 and 35 with screws and the other end fixed to the columns 3 with screws. In the example shown in the figure, an inter-column 40 is provided between the columns 3.

FIG. 4 is a cross-sectional view of the state in which the bookshelf is fixed to the pillar as viewed from the side.
FIG. 5 is a cross-sectional view of the state in which the bookshelf is fixed to the pillar as viewed from above.

Next, the back plate 19 is fixed to the accessory column 31. Specifically, both end portions in the width direction of the back plate 19 are overlapped with the front surface of the auxiliary column 31, and the back plate 19 is fixed to the auxiliary column 31 with screws or nails. In the present embodiment, a predetermined number of screws are screwed into the auxiliary pillars 31 at regular intervals in the vertical direction, and the back plate 19 is fixed to the auxiliary pillars 31.
Specifically, when the book shelf 11 is fixed to the supporting column 31 and the seismic reinforcement is performed, the wall strength magnification varies depending on the number of screws that fix the back plate 19 to the supporting column 31. That is, when the number of screws is reduced, the reinforcing strength is reduced, and when the number is increased, the reinforcing strength is increased. However, if the number of screws is too large, the splint 31 may be damaged. Therefore, it is necessary to attach the number of screws suitable for the position where the bookshelf 11 is fixed. In this embodiment, the number of screws based on experimental data and calculations are screwed up and down at equal intervals. As a result, there is no possibility that the number of screws will be insufficient and reinforcement will be insufficient, or that the number of screws will be excessive and the spur post 31 will be damaged. Further, in this embodiment, a number of holes 19a through which screws are passed through both ends of the back plate 19 in the width direction are formed at equal intervals in the vertical direction. It is only necessary to determine whether to use 19a and screw a screw into the accessory post 31 from the determined hole 19a.

Next, the book shelf main body 25 assembled in advance is fixed to the back plate 19.
In this embodiment, the pin 27 provided on the back plate 19 so as to protrude indoors is locked to the locking tool 41 provided on the side plate 15, and the bookshelf main body 25 is fixed to the back plate 19. Specifically, as shown in FIGS. 2 and 3, the side plate 15 is formed with three circular first holes 43 that are opened rearward on the rear surface of the side plate 15. The first hole 43 is formed at a position corresponding to the pin 27 provided on the back plate 19. Further, the side plate 15 is formed with a circular second hole 45 that opens to the outside in the left-right direction at the rear end thereof, and the first hole 43 and the second hole 45 communicate with each other.

  The locking tool 41 has a substantially cylindrical shape, and a cross-shaped groove 47 is formed at the center of the base end surface. Further, the locking tool 41 has a part of the peripheral side wall cut away so that two sickle-shaped locking pieces 51, 51 curved in an arc shape are left apart in the axial direction and opened outward in the radial direction. A concave portion 49 is formed. The locking tool 41 is provided to be rotatably fitted in the second hole 45 of the side plate 15. At this time, the concave portion 49 of the locking tool 41 is disposed at a position corresponding to the first hole 43.

When the book shelf main body 25 is fixed to the back plate 19, the base end portion of the pin 27 fixed to the back plate 19 is inserted into the first hole 43 of the side plate 15 and the concave portion 49 of the locking tool 41.
Then, a tool such as a screwdriver is fitted in the groove 47 of the locking tool 41 and the locking tool 41 is rotated. As a result, the two sickle-shaped locking pieces 51 of the locking tool 41 enter the groove 27b of the pin 27 and pinch and lock the proximal end portion of the pin 27. Since the locking piece 51 of the locking tool 41 holds the proximal end portion of the pin 27, the pin 27 is prevented from being pulled out, and the bookcase main body 25 is fixed to the back plate 19. In this way, the bookshelf 11 is fixed to the wall of the house, and earthquake-proof reinforcement is performed. In addition, in the present embodiment, fixing the additional pillar 31 to the existing pillar 3 can prevent the existing pillar 3 from being broken during an earthquake or the like. Even if the pillar 3 is broken in the middle in the longitudinal direction, the additional pillar 31 is not broken. The earthquake resistance is maintained.

The structure of the bookshelf in a present Example can be changed suitably.
For example, the width dimension of the bookshelf 11 may be increased as shown in FIG. In the above embodiment, the bookshelf 11 is provided between the two adjacent pillars 3 and 3, but is fixed to the three pillars 3, 3 and 3 in FIG. 6. In the illustrated example, auxiliary columns 31 are fixed to the right side surface of the left column 3 (3A), the left and right side surfaces of the central column 3 (3C), and the left side surface of the right column 3 (3B), respectively. Then, the back plate 19 is fixed to these attachment pillars 31 with screws or the like, and the bookcase main body 25 is fixed to the back plate 19 in the same manner as described above. Further, the width dimension of the bookshelf 11 may be further increased, and the back plate 19 may be fixed to the four pillars 3 as shown in FIG. Similarly, the width of the bookshelf and the number of columns on which it is installed can be changed as appropriate. Note that the back plate 19 may be configured by a single plate material or may be configured by being separated into a plurality of plates.

  Moreover, in the said Example, although the backplate 19 was fixed to the pillar 3 and the bookshelf 11 was installed, as shown in FIG. 8, one side board 15 is fixed to the pillar 3, and the bottom board 13 and the other are attached to this side board 15. The side plate 15, the top plate 17, the back plate 19, the partition plate 21 and the shelf plate 23 may be attached. At this time, a unit in which plate members 13, 15, 17 and 19 other than the one side plate 15 and the shelf plate 23 are assembled in advance is formed, this unit is fixed to the one side plate 15, and then the shelf plate 23 can be attached. That's fine.

  Further, in the above embodiment, the supporting pillar 31 is fixed to the pillar 3 and the back plate 19 is fixed to the supporting pillar 31. However, as shown in FIG. The bookcase main body 25 may be fixed to the plate 19.

  In addition, after the building, when years have passed and the pillar 3 is inclined in the vertical direction with respect to the wall, that is, when the pillar 3 is inclined in the indoor / outdoor direction, the auxiliary pillar 31 is attached to the side surface of the pillar 3. In addition, the back plate 19 may be fixed to the column 3 by being arranged perpendicular to the floor surface and fixed to the column 3. Thereby, the bookshelf 11 can be installed horizontally.

Furthermore, in the said Example, although the bookshelf was used as storage furniture, you may use storage furniture other than a bookshelf. For example, you may make it fix a cupboard to a pillar in a kitchen.
FIG. 10 is a diagram showing a state in which a cupboard is provided in the kitchen, (a) is a front view, and (b) is a cross-sectional view.

  Specifically, a part of the existing plate material constituting the inner wall of the kitchen is removed, and the back plate 65 is fixed to the accessory column 31 attached to the column 3 in the same manner as in the above embodiment. In the illustrated example, a rectangular plate-like top plate and bottom plate 69 are fixed horizontally above and below the back plate 65, and side plates 71 are fixed vertically to the left and right ends thereof. A plurality of partition plates 73 are provided so as to divide the rectangular frame formed by the top plate, the bottom plate 69 and the side plates 71 and 71 into left and right. In addition, doors 75 are provided so as to open and close the openings of the respective spaces defined by the partition plate 73, and a first storage portion 77 is formed above the back plate 65. Of the doors 75, the doors 75 other than the right end are doors that open and close like a double door. Further, a second storage part 83 having a plurality of drawers 79 is formed in the lower part of the back plate 65, and an IH cooker, a stove, and the like are installed in the upper part of the second storage part 83. In the illustrated example, a third storage portion 85 is provided so as to connect the second storage portion 83 provided in the lower portion of the back plate 65 and the left end portions of the first storage portion 77 provided in the upper portion of the back plate 65. It has been. The third storage portion 85 is provided in the middle of the side plates 89 and 89 that are spaced apart from each other left and right, the top plate 91 and the bottom plate 93 that are arranged at the upper and lower ends of the side plates 89 and 89, and the side plate 89. The shelf board 95 is comprised. In addition, you may overlap and fix a panel to the location 65a exposed to the front among the backplates 65. FIG.

  As described above, various members attached to the back plate or the side plate fixed to the pillar can be changed as appropriate, and the storage furniture corresponding to the room or place may be fixed to the pillar.

  By the way, in the said Example, after attaching the back board 19 to the support pillar 31 fixed to the pillar 3, the bookshelf main-body part 25 was fixed to the back board 19, but as shown in FIG. The book shelf 11 may be assembled in advance in a state in which the book shelf 11 is included, and the back plate 19 of the book shelf 11 may be fixed to the accessory column 31. In the illustrated example, one end portion of the side plate 15 is brought into contact with and fixed to both end surfaces of the back plate 19 in the width direction. Thereby, when the bookshelf 11 is fixed to the accessory column 31, the boundary part between the back plate 19 and the side plate 15 cannot be seen from the outside, and the design is good. Further, in the example shown in FIG. 8, after attaching one side plate 15 to the accessory column 31 fixed to the column 3, other members are fixed to the side plate 15. You may make it install the bookshelf 11 by fixing the side plate 15 to the support pillar 31. FIG. Further, the back plate 19 or the side plate 15 may be directly fixed to the pillar 3 with screws or the like.

The seismic retrofitting method of the present invention is not limited to the configuration of the above embodiment, and can be changed as appropriate.
In the said Example, although applied to the wall of the outer periphery of a house, you may apply to the wall which partitions off a room.
Moreover, in the said Example, although the unit which assembled board materials other than a back board beforehand was attached to the back board fixed to the pillar, each member may be attached to a back board sequentially and a storage furniture may be completed.
Moreover, in the said Example, although the bookshelf was earth | grounded on the floor surface via the pedestal, you may make it earth | ground directly on a floor surface.
Furthermore, in the said Example, when fixing a side plate to a backplate, the pin and the locking tool were used, However, The means and method of fixing various members to a backplate can be changed suitably. For example, it may be fixed with a dowel or a screw.

3 pillars 11 bookshelves (storage furniture)
15 Side plate 19 Back plate 25 Bookshelf body (unit)
31 side pillar

Claims (7)

An anti-seismic reinforcement method comprising removing wall materials attached between columns, fixing a plate member constituting storage furniture between the columns, and attaching another member of the storage furniture to the plate member. The plate member is a back plate of the storage furniture,
The unit of the storage furniture excluding the back plate is assembled in advance by the other member, and the unit is assembled to the back plate after the back plate is attached between the pillars. The seismic reinforcement method described. Assemble storage furniture in advance,
After removing the wall material attached between the columns, the plate furniture constituting the storage furniture is fixed between the columns, and the storage furniture is installed. The column to which the said plate member is fixed, and a horizontal column are connected with metal fittings. The earthquake-proof reinforcement construction method in any one of Claim 1 to 3 characterized by the above-mentioned. The seismic reinforcement method according to any one of claims 1 to 4, wherein a supporting column is fixed to the column, and the plate member is fixed to the supporting column. The auxiliary pillar abuts on a pillar inclined in the indoor / outdoor direction, the auxiliary pillar is arranged perpendicular to the floor surface, and the auxiliary pillar is fixed to the pillar, and the plate member is fixed to the auxiliary pillar. The seismic reinforcement method according to claim 5, wherein: 7. The plate member according to claim 1, wherein a screw is screwed into the column or the auxiliary column at a predetermined interval, or a nail is driven at a predetermined interval. Seismic reinforcement method described in 1.

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