JP7071802B2 - How to adjust the seismic shelter installation structure - Google Patents

Description

The present invention relates to a seismic shelter installation structure in which a seismic shelter is assembled in an existing building, a seismic shelter installation method for obtaining the seismic shelter installation structure, and an adjustment method for adjusting the seismic shelter installation structure.

In Patent Document 1, as a type installed inside an existing building, standard panels for shelter structural members for walls, corner walls, and ceilings that have been steel-framed are created and connected to each other to assemble and install them in one shelter according to the application. The shelter is disclosed.

Further, in Patent Document 2, it is installed in a room of an existing detached house and consists of a simple wooden frame nailing method with a rigid structure. It is equipped with a frame such as pillars, studs, and beams, and face plates such as floor boards, wall boards, and ceiling boards attached to the frame. A wooden seismic shelter with air supply / exhaust means is disclosed, as well as a TV, internet, air conditioner, ventilation fan with odor control, etc. that can be installed.

Further, in Patent Document 3, it is a seismic shelter type unit bath that is attached between building layers composed of beams, columns, and slabs, and has a box-integrated structure with a panel having a strength that can withstand the expected collapse load of the building. A seismic shelter type unit bath having a bathroom, a ventilation means for ventilating the air in the bathroom, and a bathtub arranged in the bathroom is disclosed.

Utility model registration No. 3149194 Japanese Unexamined Patent Publication No. 2013-181347 Japanese Patent Application Laid-Open No. 2003-105992

However, any of the above-mentioned conventional techniques has a problem that the time required for construction becomes long because a new floor structure is produced without using the existing floor of the existing building.

In view of the above circumstances, the present invention can shorten the time required for constructing the seismic shelter installation structure by utilizing the existing floor of the existing building and reduce the weight burden of the seismic shelter added to the existing floor. A seismic shelter installation structure and a seismic shelter installation method are provided. Further, the present invention provides a method for adjusting a seismic shelter installation structure for adjusting a support state by a dry bundle in an installed seismic shelter.

The seismic shelter installation structure of the present invention is a seismic shelter installation structure in which a seismic shelter is assembled in an existing building in order to solve the above-mentioned problems. The floor plate portion of the seismic shelter provided on the base portion, the pillar wall panel of the seismic shelter erected on the base portion, the ceiling panel of the seismic shelter provided on the upper side of the pillar wall panel, and the above. It is characterized by including a dry bundle located under the floor of the existing floor and below the base portion.

With the above configuration, since the existing floor of the existing building is used, it is not necessary to newly create a floor structure, and the time required for constructing the seismic shelter installation structure can be shortened. Further, since the dry bundle located below the base portion is provided under the floor of the existing floor, the weight burden of the seismic shelter added to the existing floor can be reduced. Further, by using the dry type bundle in this way, the construction time can be shortened as compared with the case of producing a concrete bundle or the like. In addition, the construction time can be shortened by using the paneled pillar wall panel and ceiling panel. In addition, such a panel can enable factory production to stabilize the quality and reduce the cost.

The pillar wall panel may be formed by assembling a plurality of pillar wall panel bodies in which a steel pillar portion and a wooden plate material are integrated with each other. According to this, it becomes possible to increase the surface rigidity and transmit the horizontal force in the column wall panel without using the vertical brace, and it is possible to improve the seismic resistance of the seismic shelter. Further, since the pillar wall panel can be divided into a plurality of pillar wall panel bodies and carried into the house, the carrying-in work becomes easy.

The ceiling panel may be a combination of a steel beam material and a wood plate material. According to this, it is possible to increase the surface rigidity and transmit the horizontal force in the ceiling panel without using the horizontal brace, and it is possible to improve the seismic resistance of the seismic shelter. In addition, since the ceiling panel can be divided into a plurality of ceiling panel bodies and carried into the house, the carrying-in work becomes easy.

A single-material girder may be assembled on the base portion so as to form the outer shape of a seismic shelter, and a girder may be attached to the girder. In this way, by not forming a panel that integrates the base with the floor material, it is possible to fasten the pillar wall panels, etc. by working on the existing floor due to the exposed state of the base without the floor material. can. In addition, since a single girder is carried into the house, the carrying-in work becomes easy.

Further, the method of installing the seismic shelter of the present invention is a method of installing a seismic shelter for obtaining the above-mentioned seismic shelter installation structure, in which a step of forming an opening for work leading under the floor in the existing floor and the above-mentioned opening are used. The process of providing a dry bundle under the floor, the process of providing the base of the seismic shelter on the existing floor, the process of installing the pillar wall panel of the seismic shelter on the base, and the seismic shelter on the upper side of the pillar wall panel. It is characterized by including a step of providing a ceiling panel and a step of providing a floor plate portion of a seismic shelter on the base portion.

With the above method, an opening for work leading to the underfloor will be formed in the existing floor, but since the existing floor can be used, there is no need to create a new floor structure, and a seismic shelter. The time required to construct the installation structure can be shortened.

Further, the method for adjusting the seismic shelter installation structure of the present invention is an adjustment method for adjusting the seismic shelter installation structure, in which the floor plate portion is removed to expose the base portion and the existing floor, and an opening formed in the existing floor. It is characterized in that the height of the drywall is adjusted by entering under the floor from the floor.

According to the above method, even if the existing floor is distorted due to the weight of the seismic shelter due to the subsidence of the ground or the like supporting the dry bundle, the floorboard portion is removed to expose the base portion and the existing floor. Since the height of the drywall is adjusted by entering under the floor through the opening formed in the existing floor, the distortion of the existing floor can be reduced.

According to the present invention, the time required for constructing the seismic shelter installation structure can be shortened by utilizing the existing floor of the existing building, and the weight burden of the seismic shelter added to the existing floor can be reduced. Further, if the method of adjusting the seismic shelter installation structure is used, it is possible to adjust the support state of the steel bundle in the installed seismic shelter and reduce the distortion of the existing floor.

It is a figure which shows the embodiment, and is the explanatory view which showed the outline of the seismic shelter installation structure. It is a figure which shows the embodiment, and is the schematic perspective view which showed an example of the skeleton structure of the seismic shelter installation structure. It is a figure which shows the embodiment, and is the top view which showed the example of the base structure of the seismic shelter. It is a figure which shows the embodiment, and is the schematic sectional drawing which showed an example of the base part of the seismic shelter, the steel bundle, and the floor board part. It is a figure which shows the embodiment, and is the ceiling plan which showed the cross section of the pillar wall panel of a seismic shelter, and the structural example of the ceiling panel of a seismic shelter. It is a figure which shows the embodiment, and is the schematic vertical sectional view which showed an example of the pillar wall panel of a seismic shelter. It is a figure which shows the embodiment, and is the schematic plan view which showed the three ceiling panel bodies of a seismic shelter separated from each other. It is a figure which shows the embodiment, and is the schematic vertical sectional view which showed an example of the ceiling panel body of a seismic shelter. FIGS. (A) and (B) are diagrams showing embodiments, and are explanatory views showing a method of installing a seismic shelter. FIGS. (A) and (B) are diagrams showing embodiments, and are explanatory views showing a method of installing a seismic shelter.

Hereinafter, embodiments according to one aspect of the present invention will be described with reference to the accompanying drawings. As shown in FIGS. 1 and 2, the seismic shelter installation structure of this embodiment is a structure in which the seismic shelter 1 is assembled in the existing building 8, and is provided on the existing floor 81 on the first floor of the existing building 8. The base portion 2 of the seismic shelter 1, the floor plate portion 3 of the seismic shelter 1 provided on the base portion 2, the pillar wall panel 4 of the seismic shelter 1 erected on the base portion 2, and the pillars. The ceiling panel 5 of the seismic shelter 1 provided on the wall panel 4 and the steel bundle 6 as eight dry bundles located below the base portion 2 at the underfloor 81a of the existing floor 81 are provided. It becomes. The steel bundle 6 is configured to be height-adjustable, and is provided so as to be stretched between the soil floor or the ground and the existing floor 81.

As shown in FIG. 3, the base portion 2 has four single lumber girders 21 fastened with bolts or the like on the existing floor 81 so as to form a square shape corresponding to the bottom shape of the seismic shelter 1. It is joined to each other by members. The girder 21 is made of, for example, a square steel pipe. Further, in the base portion 2, a single beam 22 is joined between the girders 21 by a fastening member such as a bolt. The beam 22 is made of, for example, channel steel. For joining these steel materials, an end plate, an angle member, or the like can be used.

As shown in FIG. 4, the floor plate portion 3 includes a structural plywood 31 which is a wooden plate material fixed to the base portion 2 by a fastening member such as a drill screw. Further, on the structural plywood 31, the particle board 32, the plywood 33 and the floor mat 34 are fixed in this order by screws or adhesives. The floor plate portion 3 is attached after the construction of the pillar wall panel 4 and the ceiling panel 5.

As shown in FIGS. 5 and 6, the pillar wall panel 4 has three pillar wall panel bodies 41 constituting the back side wall, three pillar wall panel bodies 42 each constituting the left and right walls, and the front side. It is composed of three pillar wall panel bodies 43 constituting the wall. These pillar wall panel bodies 41, 42, and 43 are shipped as panels at the factory.

Of the pillar wall panel bodies 43, the central pillar wall panel body 43A has an opening that serves as an entrance / exit. A door may be provided in the pillar wall panel body 43A. Further, at the edge of the pillar wall panel body 43A, a process of closing the space between the pillar wall panel body 43 and the existing wall may be performed. Further, as shown in FIG. 2, the column wall panel bodies 41 and 43 at both ends of the column wall panel bodies 41 and 43 have a square steel pipe serving as a column 405 and a channel steel forming a stud 406. I have. Further, the column wall panel body 42 is provided with channel steel that serves as a stud 406.

Further, each of the column wall panel bodies 41, 42, and 43 is provided with a cross rail 401 made of channel steel at a substantially central position in the vertical direction. Welding can be used to join the steel materials in the column wall panel bodies 41, 42, and 43. A structural plywood 402, which is a wooden plate, is fixed to the outdoor surfaces of each of the square steel pipe serving as the column 405, the channel steel serving as the stud 406, and the cross rail 401 by fastening members such as drill screws. Has been done. Further, indoor surface materials such as gypsum boards 403 and 404 are attached to the indoor surfaces of each of the square steel pipe serving as the pillar portion 405, the channel steel serving as the stud 406, and the cross rail 401. In this embodiment, the column wall panel bodies 41, 42, and 43 are shipped from the factory without the interior surface material provided, and the interior surface material is attached when the seismic shelter is assembled in the existing building 8. In the pillar wall panel bodies 41, 42, 43, windows may be formed between the studs.

As shown in FIGS. 5, 7 and 8, the ceiling panel 5 is composed of three ceiling panel bodies 51. Each ceiling panel body 51 is formed by fixing a structural plywood 503, which is a wooden plate material, to an outdoor surface of a frame body made of a beam material 501 such as channel steel and a cross member 502 by a fastening member such as a drill screw. It is a thing. Welding can be used to join the steel materials in the factory assembly of each ceiling panel body 51. In FIGS. 5 and 7, the structural plywood 503 is shown by diagonal lines. Further, indoor surface materials such as gypsum boards 504 and 505 are attached to the indoor surface of each of the beam member 501 and the horizontal member 502. In this embodiment, the ceiling panel body 51 is shipped from the factory without the interior surface material provided, and the interior surface material is attached when the shelter is assembled in the existing building 8.

With the above configuration, since the existing floor 81 of the existing building 8 is used, it is not necessary to newly create a floor structure, and the time required for constructing the seismic shelter installation structure can be shortened. Further, since the steel bundle 6 located below the base portion 2 is provided under the floor 81a of the existing floor 81, the weight burden of the seismic shelter 1 added to the existing floor 81 can be reduced. Further, by using the steel bundle 6 in this way, the construction time can be shortened as compared with the case of producing a concrete bundle or the like. Further, the construction time can be shortened by using the paneled pillar wall panel 4 and the ceiling panel 5. In addition, such a panel can enable factory production to stabilize the quality and reduce the cost.

When the pillar wall panel 4 (pillar wall panel body 41, 42, 43) is integrated with the steel pillar portion 405 and the wooden plate material (structural plywood 402), the surface without using the vertical brace. It is possible to increase the rigidity and transmit the horizontal force, and it is possible to improve the seismic resistance of the seismic shelter 1. Further, by not providing the brace, the pillar wall panel 4 (pillar wall panel bodies 41, 42, 43) can be easily manufactured. Further, since the pillar wall panel 4 can be divided into pillar wall panel bodies 41, 42, and 43 and carried into the house, the carrying-in work becomes easy.

In the ceiling panel 5 (ceiling panel body 51), when the steel beam material 501 and the wood plate material (structural plywood 503) are integrated, the surface rigidity is increased without using the horizontal brace and the horizontal force is increased. Can be transmitted, and the seismic resistance of the seismic shelter 1 can be enhanced. Further, by not providing the brace, the ceiling panel 5 (ceiling panel body 51) can be easily manufactured. Further, since the ceiling panel 5 can be divided into a plurality of ceiling panel bodies 51 and carried into the house, the carrying-in work becomes easy.

In the base portion 2, a single girder 21 is assembled in the existing building 8 so as to form the outer shape of the seismic shelter 1, and the base portion 2 is made into a panel integrated with the floor plate portion 3. Therefore, the pillar wall panel 4 and the like can be fastened by the work on the existing floor 81 due to the exposed state of the base portion 2 without the floor plate portion 3. In addition, since the girder 21 made of a single material is carried into the house, the carrying-in work becomes easy.

Hereinafter, an example of how to install the seismic shelter 1 will be described. In this installation method, as shown in FIGS. 1 and 2, a work opening 81b (for example, about 60 cm square) is formed in the existing floor 81 so that a person who can communicate with the underfloor 81a can enter and exit the existing floor 81. The operator enters and exits using the opening 81b, arranges the steel bundle 6 at the position of the underfloor 81a below the position where the base portion 2 is placed, adjusts the height thereof, and adjusts the height of the steel bundle 6 to the soil floor or the ground and the above. A steel bundle 6 is provided so as to be stretched between the existing floor 81 and the existing floor 81. The steel bundle 6 may be installed at any time before the floor plate portion 3 is constructed.

As shown in FIG. 9A, four single lumber girders 21 are attached to each other by fastening members such as bolts on the existing floor 81 so as to form a square shape corresponding to the bottom shape of the seismic shelter 1. The base portion 2 is manufactured by joining them. A plurality of small beams 22 are joined to the large beam 21 at predetermined intervals, but the small beams 22 are not shown in FIGS. 9 and 10.

As shown in FIGS. 9 (B), 10 (A), and 10 (B), the pillar wall panel bodies 41, 42, and 43 are erected on the base portion 2 and fixed to each other with bolts or the like. To go. In the figure, the pillar wall panel bodies 41, 42, and 43 are shown in a simplified manner, and the pillar wall panel bodies 41, 42, and 43 are not yet provided with the interior surface material. Further, at the contacting edges of the column wall panel bodies, for example, the plate portions (web portions) facing the lip portions of the channel steel are kept in contact with each other, and the plate portions are bolted so as to be sewn. Can be fixed to each other.

Further, the ceiling panel body 51 is mounted on the pillar wall panel bodies 41, 42, 43. Further, the opening 81b for the above work is closed with a plate material or the like. Further, interior surface materials are attached to the pillar wall panel 4 and the ceiling panel 5. Further, the floor plate portion 3 is mounted on the base portion 2.

With the above method, the opening 81b for work leading under the floor is formed in the existing floor 81, but since the existing floor 81 can be used, there is no need to newly create a floor structure. , The time required to construct the seismic shelter installation structure can be shortened.

In the above example, regarding the panelization of the pillar wall panel bodies 41, 42, 43 and the ceiling panel body 51, the interior surface material is not integrated, but the interior surface material may also be integrated. .. Further, it is desirable that the pillar wall panel bodies 41, 42, 43 and the ceiling panel body 51 have a weight of 60 kg or less. Further, the lower limit of the size of the seismic shelter 1 is preferably 2 m × 2 m or more, preferably 2.5 m × 2.5 m or more. Further, the upper limit of the size of the seismic shelter 1 is preferably 4 m × 4 m or less, preferably 2.5 m × 3.4 m or less.

Next, we will explain how to adjust the seismic shelter installation structure. This adjustment method is a method of adjusting the seismic shelter installation structure after many years have passed since the seismic shelter 1 was installed. That is, over the years, the height of the steel bundle 6 may be insufficient due to the subsidence of the ground supporting the steel bundle 6, and the weight of the seismic shelter 1 may distort the existing floor 81. In such a case, in this adjustment method, the floor plate portion 3 is removed to expose the base portion 2 and the existing floor 81, and the opening 81b formed in the existing floor 81 (if the lid is provided, the lid). The height of the steel bundle 6 is readjusted by entering the underfloor 81a from (taken).

According to the above method, even if the existing floor 81 is distorted due to the subsidence of the ground supporting the steel bundle 6, the floor plate portion 3 is removed to expose the base portion 2 and the existing floor 81. Since the height of the steel bundle 6 is readjusted by entering the underfloor 81a through the opening 81b formed in the existing floor 81, the distortion of the existing floor can be reduced.

In the above examples, steel bundles are shown as dry bundles, but the present invention is not limited to this, and resin bundles, wooden bundles, precast concrete bundles, and the like that do not require on-site production from concrete may be used.
Moreover, although the embodiment of the present invention has been described with reference to the drawings, the present invention is not limited to that of the illustrated embodiment. It is possible to make various modifications and modifications to the illustrated embodiment within the same range as the present invention or within the same range.

1: Seismic shelter 2: Base part 3: Floor board part 4: Pillar wall panel 5: Ceiling panel 6: Steel bundle (dry bundle)
8: Existing building 21: Large beam 22: Small beam 31: Structural plywood 32: Parchle board 33: Plywood 34: Floor mat 41: Pillar wall panel body 42: Pillar wall panel body 43: Pillar wall panel body 51: Ceiling panel body 81 : Existing floor 81a: Underfloor 81b: Opening 401: Horizontal rail 402: Structural plywood 403: Stone board 404: Stone board 405: Pillar part 406: Inter-column 501: Beam material 502: Horizontal material 503: Structural plywood 504: Stone board 505: Lumber board

Claims (1)

This is a seismic shelter installation structure in which a seismic shelter is assembled in an existing building. The pillar wall panel of the seismic shelter erected on the part, the ceiling panel of the seismic shelter provided on the upper side of the pillar wall panel, and the dry bundle located below the base part under the floor of the existing floor. It is an adjustment method to adjust the seismic shelter installation structure equipped with,
A method for adjusting a seismic shelter installation structure, which comprises removing the floorboard portion to expose the base portion and the existing floor, and then entering under the floor through an opening formed in the existing floor to adjust the height of the dry bundle.

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