JP2005139612A - Indoor earthquake-proof shelter - Google Patents

Indoor earthquake-proof shelter Download PDF

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JP2005139612A
JP2005139612A JP2003374025A JP2003374025A JP2005139612A JP 2005139612 A JP2005139612 A JP 2005139612A JP 2003374025 A JP2003374025 A JP 2003374025A JP 2003374025 A JP2003374025 A JP 2003374025A JP 2005139612 A JP2005139612 A JP 2005139612A
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shelter
indoor
square pipe
earthquake
pipe material
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JP4184229B2 (en
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Kosaku Maeda
耕作 前田
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SHICHIYU KENSETSU KK
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SHICHIYU KENSETSU KK
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an indoor earthquake-proof shelter which secures both sufficient rigidity and a wide entrance, and has a long service life. <P>SOLUTION: According to the structure of the indoor earthquake-proof shelter, frame members 1, 1a constituting a frame structure of the indoor earthquake-proof shelter are each formed of a square pipe member which has fiber reinforced sheets 3 bonded to four inner surfaces thereof over the entire length, and therefore the shelter secures both the sufficient rigidity and the wide entrance. Further the fiber reinforced sheets 3 as reinforcing members are kept from making contact with persons or objects, and therefore the shelter achieves the long service life. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、大地震の発生時に人が避難できる屋内用耐震シェルタに関するものである。   The present invention relates to an indoor earthquake-resistant shelter capable of evacuating people when a large earthquake occurs.

近年、近い将来に予想される大地震の発生に備えるために、木造等の一般家屋用に、大地震の発生時に人が避難できる避難用空間を形成する屋内用耐震シェルタが種々提案されている（例えば、特許文献１参照。）。特許文献１に記載されたものは、枠構造で直方体形状の避難用空間を形成して、直方体の各面に補強材としての斜材を入れ、出入口を１箇所に設けている。   In recent years, various earthquake-resistant shelters for indoor use have been proposed to form evacuation spaces for people to evacuate in the event of a major earthquake, in order to prepare for major earthquakes that are expected in the near future. (For example, refer to Patent Document 1). The one described in Patent Document 1 forms a rectangular parallelepiped escape space with a frame structure, puts diagonal materials as reinforcing materials on each surface of the rectangular parallelepiped, and provides an entrance at one location.

特開平８−３０３０４４号公報（第２頁、第１図）JP-A-8-303044 (second page, FIG. 1)

上述した屋内用耐震シェルタは、家屋倒壊等に対する十分な剛性を有することが大前提であるが、大地震発生の非常時に人が容易に入り込めるように出入口を広く確保することが望ましい。また、出入口は１つが塞がっても入り込めるように複数箇所に設けることが望ましい。しかしながら、剛性を確保するために補強材を多く用いると、出入口を広く確保するのが難しくなる問題がある。   The above-mentioned indoor earthquake-resistant shelter is premised on having sufficient rigidity against the collapse of a house, but it is desirable to secure a wide entrance so that a person can easily enter in the event of a large earthquake. In addition, it is desirable to provide the entrance / exit at a plurality of locations so that even if one is closed, it can enter. However, if a large amount of reinforcing material is used to ensure rigidity, there is a problem that it is difficult to ensure a wide entrance / exit.

また、大地震はいつ発生するか分からず、何年も経って忘れた頃に発生する可能性も高いので、邪魔になる補強材に人や物が接触して、長い年月の間に補強材が損傷する恐れもある。   In addition, we do not know when a large earthquake will occur, and it is highly likely that it will occur when we forget it after many years. The material may be damaged.

そこで、本発明の課題は、十分な剛性の確保と広い出入口の確保とを両立し、かつ、耐用年数の長い屋内用耐震シェルタを提供することである。   Accordingly, an object of the present invention is to provide an indoor seismic shelter that has both sufficient rigidity and a wide entrance / exit, and has a long service life.

上記の課題を解決するために、本発明は、屋内に設置され、枠構造の避難用空間を形成する屋内用耐震シェルタにおいて、前記枠構造を構成する枠部材の全部または一部を角パイプ材で形成し、この角パイプ材の内側にその撓み変形を補強する補強材を設けた構成を採用した。   In order to solve the above problems, the present invention provides an indoor earthquake-resistant shelter that is installed indoors and forms a space for evacuation of a frame structure. The structure which provided the reinforcing material which reinforces the bending deformation inside this square pipe material was employ | adopted.

すなわち、枠構造を構成する枠部材の全部または一部を角パイプ材で形成し、この角パイプ材の内側にその撓み変形を補強する補強材を設けることにより、十分な剛性を確保した上で、広い出入口を確保できるようにした。また、角パイプ材の内側に設けられた補強材は、人や物と接触しないので、長い年月の間に損傷する恐れもない。   That is, all or part of the frame members constituting the frame structure is formed of a square pipe material, and by providing a reinforcing material that reinforces the bending deformation inside the square pipe material, sufficient rigidity is ensured. A wide doorway can be secured. Moreover, since the reinforcing material provided inside the square pipe material does not come into contact with people or objects, there is no risk of damage over a long period of time.

前記補強材は、前記角パイプ材の少なくとも１辺の内面に、長手方向へ延びるように接着された繊維強化シートとすることができる。   The reinforcing material may be a fiber reinforced sheet bonded to the inner surface of at least one side of the square pipe material so as to extend in the longitudinal direction.

前記補強材は、前記角パイプ材内に、Ｘ字状断面の各外端を対角方向へ向けて圧入されたＸ字状断面の長尺部材とすることもできる。   The reinforcing material may be a long member having an X-shaped cross section that is press-fitted in the square pipe material with each outer end of the X-shaped cross section facing a diagonal direction.

本発明の屋内用耐震シェルタは、枠構造を構成する枠部材の全部または一部を角パイプ材で形成し、この角パイプ材の内側にその撓み変形を補強する補強材を設けたので、十分な剛性を確保した上で、広い出入口を確保することができる。また、角パイプ材の内側に設けられた補強材は、人や物と接触しないので、長い年月の間に損傷する恐れもない。   The indoor seismic shelter of the present invention is formed by forming all or part of the frame member constituting the frame structure with a square pipe material, and providing a reinforcing material for reinforcing the bending deformation inside the square pipe material. A wide entrance / exit can be secured while ensuring a sufficient rigidity. Moreover, since the reinforcing material provided inside the square pipe material does not come into contact with a person or an object, there is no risk of damage over a long period of time.

以下、図面に基づき、本発明の実施形態を説明する。図１および図２は、第１の実施形態を示す。この屋内用耐震シェルタは、図１に示すように、枠部材１を継手２で枠構造に組立て、直方体形状の避難用空間を形成したものであり、天井面には２本の補強用枠部材１ａも入れられている。なお、枠構造は溶接等で組み立ててもよい。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 and 2 show a first embodiment. As shown in FIG. 1, this indoor seismic shelter is constructed by assembling a frame member 1 into a frame structure with a joint 2 to form a rectangular parallelepiped escape space, and two reinforcing frame members on the ceiling surface. 1a is also included. The frame structure may be assembled by welding or the like.

図２に示すように、前記各枠部材１、１ａは鋼製の角パイプ材で形成され、その４辺の内面には、補強材としての炭素繊維等で強化された樹脂製の繊維強化シート３が、全長に渡って接着されている。   As shown in FIG. 2, each of the frame members 1 and 1a is formed of a steel square pipe material, and a resin fiber reinforced sheet reinforced with carbon fibers or the like as a reinforcing material is formed on the inner surfaces of the four sides thereof. 3 is bonded over the entire length.

図３は、第２の実施形態を示す。この屋内用耐震シェルタは、枠構造は第１の実施形態のものと同じであり、鋼製の角パイプ材で形成された各枠部材１、１ａの中に、補強材としてのＸ字状断面の鋼製長尺部材４が、Ｘ字状断面の各外端を対角方向へ向けて、全長に渡って圧入されている点が異なる。   FIG. 3 shows a second embodiment. This indoor earthquake-resistant shelter has the same frame structure as that of the first embodiment, and has an X-shaped cross section as a reinforcing material in each frame member 1, 1a formed of a steel square pipe material. The steel long member 4 is different in that the outer ends of the X-shaped cross section are press-fitted over the entire length with the respective outer ends directed diagonally.

上述した各実施形態では、屋内用耐震シェルタの枠構造を直方体形状とし、天井面に２本の補強用枠部材を入れたが、枠構造の形態は実施形態のものに限定されることはなく、任意に設計することができる。また、全部の枠部材の内部に補強材を設けたが、一部の枠部材について補強材を省略することもできる。   In each of the embodiments described above, the frame structure of the indoor earthquake-resistant shelter has a rectangular parallelepiped shape and two reinforcing frame members are placed on the ceiling surface. However, the form of the frame structure is not limited to that of the embodiment. Can be designed arbitrarily. Moreover, although the reinforcing material was provided in the inside of all the frame members, a reinforcing material can also be abbreviate | omitted about some frame members.

第１の実施形態の屋内用耐震シェルタを示す外観斜視図External appearance perspective view which shows the indoor earthquake-proof shelter of 1st Embodiment 図１の枠部材を拡大して示す切欠き斜視図The notched perspective view which expands and shows the frame member of FIG. 第２の実施形態の屋内用耐震シェルタの枠部材を拡大して示す切欠き斜視図The notched perspective view which expands and shows the frame member of the earthquake-proof shelter for indoors of 2nd Embodiment

符号の説明Explanation of symbols

１ａ、１ｂ 枠部材
２ 継手
３ 繊維強化シート
４ 長尺部材 1a, 1b Frame member 2 Joint 3 Fiber reinforced sheet 4 Long member

Claims (3)

屋内に設置され、枠構造の避難用空間を形成する屋内用耐震シェルタにおいて、前記枠構造を構成する枠部材の全部または一部を角パイプ材で形成し、この角パイプ材の内側にその撓み変形を補強する補強材を設けたことを特徴とする屋内用耐震シェルタ。   In an indoor seismic shelter that is installed indoors and forms a space for evacuation of a frame structure, all or part of the frame members constituting the frame structure are formed of a square pipe material, and the flexure is formed inside the square pipe material. A seismic shelter for indoor use, provided with a reinforcing material to reinforce deformation. 前記補強材が、前記角パイプ材の少なくとも１辺の内面に、長手方向へ延びるように接着された繊維強化シートである請求項１に記載の屋内用耐震シェルタ。   The indoor earthquake-resistant shelter according to claim 1, wherein the reinforcing material is a fiber reinforced sheet bonded to an inner surface of at least one side of the square pipe material so as to extend in a longitudinal direction. 前記補強材が、前記角パイプ材内に、Ｘ字状断面の各外端を対角方向へ向けて圧入されたＸ字状断面の長尺部材である請求項１に記載の屋内用耐震シェルタ。   2. The indoor earthquake-proof shelter according to claim 1, wherein the reinforcing member is an elongated member having an X-shaped cross section that is press-fitted in the square pipe material with each outer end of the X-shaped cross section facing a diagonal direction. .
JP2003374025A 2003-11-04 2003-11-04 Indoor earthquake resistant shelter Expired - Lifetime JP4184229B2 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108678480A (en) * 2018-04-25 2018-10-19 同济大学 GFRP pipe fill concrete type buckling restrained braces
JP2020093372A (en) * 2018-12-14 2020-06-18 中村留精密工業株式会社 Slide structure

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5816201B2 (en) * 2013-01-15 2015-11-18 株式会社福田工業 Manufacturing method for earthquake-resistant structural materials

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108678480A (en) * 2018-04-25 2018-10-19 同济大学 GFRP pipe fill concrete type buckling restrained braces
JP2020093372A (en) * 2018-12-14 2020-06-18 中村留精密工業株式会社 Slide structure
JP7228181B2 (en) 2018-12-14 2023-02-24 中村留精密工業株式会社 slide structure

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