JP3769352B2 - Fireproof coating structure in seismic isolation devices - Google Patents

Fireproof coating structure in seismic isolation devices Download PDF

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Publication number
JP3769352B2
JP3769352B2 JP11089497A JP11089497A JP3769352B2 JP 3769352 B2 JP3769352 B2 JP 3769352B2 JP 11089497 A JP11089497 A JP 11089497A JP 11089497 A JP11089497 A JP 11089497A JP 3769352 B2 JP3769352 B2 JP 3769352B2
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Prior art keywords
belt
fireproof
seismic isolation
laminated rubber
refractory
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JPH10299285A (en
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正見 大串
憲一 池田
均 宮崎
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Ibiden Co Ltd
Yokohama Rubber Co Ltd
Shimizu Corp
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Ibiden Co Ltd
Yokohama Rubber Co Ltd
Shimizu Corp
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Description

【０００１】
【発明の属する技術分野】
この発明は、免震装置における耐火被覆構造に係わり、更に詳しくはビル，マンション等の建造物の免震装置において、一般の火災や、地震災害等によって発生する火災の火炎温度によって免震装置が損傷したり、免震機能を損なうのを有効に防止させた免震装置における耐火被覆構造に関するものである。
【０００２】
【従来の技術】
従来、免震装置の耐火被覆構造は、特にビル，マンション等の建造物において、柱頭，柱脚等の主要な上部構造物と下部構造物との間に介在させた鋼板とゴム板とを積層させて一体的に形成して成る積層ゴム支承体が、一般の火災や、地震災害等によって発生する火災の火炎により損傷し、免震機能（性能）を損なうのを有効に防止させるようにしたものであり、その構造としては、積層ゴム支承体の周囲を、所定の断熱空間を隔てて周長より長い帯状の耐火被覆材により覆うことで、積層ゴム支承体を保護するようにしたものである。
【０００３】
この種の免震装置の耐火被覆構造としては、例えば、▲１▼．特開平３−８７４４３号公報（発明の名称：免震装置の耐火被覆構造）、▲２▼．特開平３−９２６３３号公報（発明の名所：免震アイソレータ），▲３▼．特開平６−２４５１号公報（免震装置の防災構造），▲４▼．特公平７−７４５１６号公報（免震装置の耐火被覆構造）等が提案されている。
【０００４】
【発明が解決しようとする課題】
ところで、上記▲１▼の耐火被覆構造として使用される帯状の耐火被覆材は、耐火性のセラミックファイバー製の表裏面側の内部にセラミックファイバー製の充填材を埋め込んで構成され、そして、耐火被覆材の中央部を外向きに凸状に湾曲させて突出させ、上下端部を積層ゴム支承体の上下フランジに固定させるものや、耐火被覆材の中央部を内側に折り曲げて積層ゴム支承体の外周面に密着させて構成するものである。
【０００５】
また、上記▲２▼の免震アイソレータは、免震アイソレータ本体の外周を、所定の間隔を隔てて無機被覆材で覆ったものであり、更に、上記▲３▼，▲４▼の防災構造は、免震装置の外周を耐火被覆材で覆い、その外周に耐火パネルを配置した構造である。
然しながら、▲１▼の耐火被覆材の構造及び▲３▼，▲４▼の防災構造は、耐火被覆材の中央部を外向きに凸状に湾曲させて突出させた構造であるため、外観上耐火被覆材を化粧板等で覆う必要があり、または構造物から耐火被覆材を外部に突出させないためには、支柱等の上下構造物を大きくする必要があった。
【０００６】
この発明の目的は、地震時の積層ゴム支承体の剪断変形に耐火被覆材が追従できると共に、耐火被覆材を化粧板等で覆ったり、また上下構造物を大きくする必要がなく、安価に製作でき、また地震災害等によって発生する火災に対しても十分に耐熱性及び断熱性を有し、かつ積層ゴム支承体が損傷したり、免震機能を損なうのを有効に防止させることが出来る免震装置における耐火被覆構造を提供することにある。
【０００７】
【課題を解決するための手段】
この発明は上記目的を達成するため、複数枚の鋼板とゴム板とを交互に積層させて一体的に形成した積層ゴム支承体を上部構造物と下部構造物との間に介在させ、前記積層ゴム支承体の側面周囲に、所定の断熱空間を隔てて耐火帯状材料を覆うように配設すると共に、該耐火帯状材料の上下端部を積層ゴム支承体の上下フランジ部に固定して成る免震装置における耐火被覆構造において、前記耐火帯状材料を、セラミックファイバークロスから成る表布と耐炎クロスから成る裏布との間にセラミックファイバーを介在させて一体的に形成し、この耐火帯状材料の高さ方向の中央部に伸び代を設けると共に、該耐火帯状材料を前記上下構造物の外壁面から外部に突出しないように、耐火ベルトを介して、前記積層ゴム支承体の上下構造体の端部に固定して成ることを要旨とするものである。
【０００８】
さらに、前記耐火帯状材料の伸び代を、耐火帯状材料の高さ方向に複数の折り畳み部を有する蛇腹状または波形状に形成し、該折り畳み部の数カ所を幅方向に延びるステンレス製の糸で縫製することにより、前記伸び代が上下構造物の外壁面から外部に突出しないようにしたり、前記耐火帯状材料を、断熱空間を介して二層以上積層させて構成したものである。この発明は上記のように構成され、耐火帯状材料は、一般の火災や、地震等により発生した火災の火炎温度に対して十分に耐熱性及び断熱性を有し、しかも伸び代を設けた耐火帯状材料は、上下構造物の外壁面から外部に突出しないように耐火ベルトを介して配設するので、火災の温度から積層ゴム支承体を十分に保護することが出来、また地震時の積層ゴム支承体が剪断変形を受けても耐火帯状材料は伸び代によってそれに追従して変形し、また地震終了後には、ゴム弾性により元の形態に復帰するので、耐火帯状材料を地震の度に補修したり、交換する手間が省略でき、更に耐火帯状材料は、常に上下構造物の凹状の断熱空間に収容される構造になっているので、耐火帯状材料を化粧板等により覆う手間や作業を省略することが出来るものである。
【０００９】
【発明の実施の形態】
以下、添付図面に基づき、この発明の実施形態を説明する。
図１は、この発明の第１実施形態を示す建造物の免震装置における耐火被覆構造の半断面図、図２はこの発明の要部拡大断面図を示し、前記免震装置は、複数枚の鋼板１とゴム板２とを交互に積層させて一体的に形成した積層ゴム支承体３を、その上下面に設けたフランジ部４ａ，４ｂを介して支柱等の上部構造物５と下部構造物６との間に介在させて複数本のボルト７等により固定してある。
【００１０】
なお、積層ゴム支承体３の横断面形状としては、この実施形態では円形をしているが、特に限定されるものではなく、また大きさについても建造物の大きさ等により任意の大きさで設計するものである。
前記積層ゴム支承体３の側面周囲には、所定の断熱空間８を隔てて積層ゴム支承体３を覆うように耐火帯状材料９が巻付けて配設してあり、この耐火帯状材料９の上下端部９ａは、耐火ベルト１０を介して前記積層ゴム支承体３の上下構造体１８ａ，１８ｂに複数本のボルト１１により固定し、耐火帯状材料９の合わせ部９ｂは、ボルト１２を介して連結固定してある。
【００１１】
前記耐火帯状材料９は、図１及び図２に示すように、厚さ約２mm程度のセラミックファイバークロスから成る表布１３と厚さ約１mm程度の耐炎クロス（旭化成工業（株）製，耐炎繊維ラスタン）から成る裏布１４との間に、厚さ約５０mm程度のセラミックファイバー１５を介在させて一体的に形成してあり、この耐火帯状材料９の高さ方向の中央部には、蛇腹状または波形状の伸び代１６が設けてある。また、耐火ベルト１０は、セラミックファイバークロスから成る表布１３と耐炎クロス（旭化成工業（株）製，耐炎繊維ラスタン）から成る裏布１４との間に、セラミックファイバー１５を介在させて一体的に形成してある。
【００１２】
前記蛇腹状または波形状の伸び代１６は、耐火帯状材料９の高さ方向及び幅方向の数カ所を、所定の間隔でステンレス製の糸で縫製することにより縫製部１７で折り畳まれるように構成され、この伸び代１６は、前記上下構造物５，６の外壁面から外部に突出しないように断熱空間８に収容されるものである。
前記積層ゴム支承体３と耐火帯状材料９との間の断熱空間８の幅Ｌとしては、５０mm以上、好ましくは１００〜１５０mm程度が好ましい。即ち、この断熱空間８の幅Ｌは、火災による火炎の外部温度を１，０５０℃に想定した場合、耐火帯状材料９で７００℃〜８００℃に断熱し、更に積層ゴム支承体３の特性に影響を及ぼさない温度（１５０℃以下が好ましい）や発火温度にならないように断熱するために、少なくとも断熱空間８の幅Ｌを１００mm以上にする必要がある。
【００１３】
積層ゴム支承体３が１５０℃で２時間以上に加熱された場合、積層ゴム支承体３のバネ定数が変化して、積層ゴム支承体３の設計通りの性能が得られなくなるからである。また、この発明の実施形態では、耐火帯状材料９の上下端部９ａと、耐火ベルト１０の構成を、耐火帯状材料９と同様な３層構造に構成してあるので、耐火帯状材料９の取付け部においても十分に耐熱性を得ることが出来るものである。
【００１４】
この発明の第１実施形態は、上記のようであって、耐火帯状材料９は、一般の火災や、地震等により発生した火災の火炎温度に対して十分に耐熱性及び断熱性を有し、しかも伸び代１６を設けた耐火帯状材料９は、上下構造物５，６の外壁面から外部に突出しないように配設するので、火災の火炎温度から積層ゴム支承体３を十分に保護することが出来るものである。
【００１５】
また地震時の積層ゴム支承体３が剪断変形を受けても耐火帯状材料９は伸び代１６によってそれに追従して変形し、また地震終了後には、ゴム弾性により元の形態に復帰するので、耐火帯状材料９を地震の度に補修したり、交換する手間が省略でき、更に耐火帯状材料９は、常に上下構造物５，６の凹状の断熱空間８に収容される構造になっているので、耐火帯状材料９を化粧板等により覆う手間や作業を省略することが出来るものである。
【００１６】
次に、図３はこの発明の第２実施形態を示す耐火被覆構造の半断面図を示し、この実施形態は、耐火帯状材料９と耐火帯状材料１９とを二枚重ねた構造で、この二重構造の耐火帯状材料９と１９との間には、断熱空間８ａが設けてある。
なお、耐火帯状材料９のセラミックファイバー１５は、２５mmの厚さのものであり、その他の構成は上記第１実施形態と同様なので、同一符号を付して説明は省略する。
【００１７】
この第２実施形態では、二重構造の耐火帯状材料９と１９とを配設することにより、更に断熱効果を高めることが出来るものである。なお、耐火帯状材料９及び耐火帯状材料１９とを３層以上にすることも可能である。
【００１８】
【発明の効果】
この発明は、上記のように耐火帯状材料を、セラミックファイバークロスから成る表布と耐炎クロスから成る裏布との間にセラミックファイバーを介在させて一体的に形成し、この耐火帯状材料の高さ方向の中央部に伸び代を設けて、前記上下構造物の外壁面から外部に突出しないように耐火ベルトを介して前記積層ゴム支承体の上下構造体の端部に固定したので、地震時の積層ゴム支承体の剪断変形に耐火被覆材が追従でき、しかも上下構造物の凹状の断熱空間に収容される構造になっているので、耐火被覆材を化粧板等で覆ったり、また上下構造物を大きくする必要がなく、安価に製作でき、また一般の火災や、地震災害等によって発生する火災に対しても十分に耐熱性及び断熱性を有するので、積層ゴム支承体が損傷したり、免震機能を損なうのを有効に防止させることが出来る効果がある。
【図面の簡単な説明】
【図１】この発明の第１実施形態を示す建造物の免震装置における耐火被覆構造の半断面図である。
【図２】この発明の要部拡大断面図である。
【図３】この発明の第２実施形態を示す建造物の免震装置における耐火被覆構造の半断面図である。
【符号の説明】
１ 鋼板 ２ ゴム板
３ 積層ゴム支承体 ４ａ，４ｂ フランジ部
５ 上部構造物 ６ 下部構造物
７ ボルト ８ 断熱空間
９ 耐火帯状材料 ９ａ 耐火帯状材料の上下端部
９ｂ 耐火帯状材料の端末部 ９ｃ ハトメ
１０ 耐火ベルト １１ ボルト
１２ ボルト １３ 表布
１４ 裏布 １５ セラミックファイバー
１６ 伸び代 １７ 縫製部
１８ａ 上部構造体端部 １８ｂ 下部構造体端部
１９ 耐火帯状材料[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a fireproof covering structure in a seismic isolation device, and more particularly, in a seismic isolation device for a building such as a building or a condominium, the seismic isolation device depends on the flame temperature of a fire caused by a general fire or an earthquake disaster. The present invention relates to a fireproof covering structure in a seismic isolation device that effectively prevents damage or damage to the seismic isolation function.
[0002]
[Prior art]
Conventionally, the fireproof covering structure of seismic isolation devices is a laminate of steel plates and rubber plates interposed between main upper structures such as capitals and column bases and lower structures, especially in buildings and apartment buildings. The laminated rubber bearings, which are integrally formed , are effectively prevented from being damaged by the fire of a general fire or a fire caused by an earthquake disaster, and the seismic isolation function (performance) being impaired . The structure is such that the laminated rubber bearing body is protected by covering the circumference of the laminated rubber bearing body with a strip-shaped fireproof covering material that is longer than the circumference with a predetermined heat insulation space. is there.
[0003]
As a fireproof covering structure of this type of seismic isolation device, for example, (1). JP-A-3-87443 (Title of Invention: Fireproof coating structure of seismic isolation device), (2). Japanese Patent Laid-Open No. 3-92633 (A famous place of invention: seismic isolation), (3). JP-A-6-2451 (disaster prevention structure for seismic isolation devices), (4). Japanese Patent Publication No. 7-74516 (fireproof covering structure for seismic isolation device) has been proposed.
[0004]
[Problems to be solved by the invention]
By the way, the belt-like fireproof coating material used as the fireproof coating structure of the above (1) is constructed by embedding a filler made of ceramic fiber in the inside of the front and back sides made of fireproof ceramic fiber, and the fireproof coating The center part of the material is bent outwardly and protruded, and the upper and lower ends are fixed to the upper and lower flanges of the laminated rubber bearing body, or the center part of the fireproof coating material is bent inward to make the laminated rubber bearing body It is configured to be in close contact with the outer peripheral surface.
[0005]
Moreover, the seismic isolation isolator (2) above is one in which the outer periphery of the seismic isolation isolator body is covered with an inorganic covering material at a predetermined interval. Further, the disaster prevention structures (3) and (4) above are In this structure, the outer periphery of the seismic isolation device is covered with a fireproof covering material, and a fireproof panel is arranged on the outer periphery.
However, the structure of fireproof coating material of (1) and the disaster prevention structure of (3) and (4) are structures in which the central part of the fireproof coating material is projected outwardly curved, It is necessary to cover the fireproof covering material with a decorative board or the like, or in order to prevent the fireproof covering material from projecting to the outside from the structure, it is necessary to enlarge the upper and lower structures such as the columns.
[0006]
The purpose of this invention is able to follow the fireproofing material to a shear deformation of the laminated rubber bearing body during an earthquake Rutotomoni, or over the fireproofing material in the decorative plate or the like, also it is not necessary to increase the vertical structure, low cost production can also be have sufficient heat resistance and heat insulating properties against fire caused by an earthquake disaster, and the laminated rubber bearing member may be damaged, it can be effectively prevented from damaging the seismic isolation function The object is to provide a fireproof covering structure in a seismic isolation device .
[0007]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the present invention provides a laminated rubber support body integrally formed by alternately laminating a plurality of steel plates and rubber plates between an upper structure and a lower structure. Around the side surface of the rubber bearing body, it is arranged so as to cover the fire-resistant belt-like material with a predetermined heat-insulating space, and the upper and lower ends of the fire-resistant belt-like material are fixed to the upper and lower flange parts of the laminated rubber bearing body. In the fireproof covering structure in the seismic device, the fireproof belt-like material is integrally formed by interposing a ceramic fiber between a front cloth made of a ceramic fiber cloth and a backing cloth made of a flameproof cloth. An end portion of the upper and lower structures of the laminated rubber support is provided via a fire-resistant belt so that an extension margin is provided at a central portion in the vertical direction and the fire-resistant belt-like material does not protrude from the outer wall surface of the upper and lower structures. By comprising fixed it is an gist.
[0008]
Furthermore, the expansion allowance of the refractory belt-like material is formed into a bellows shape or a corrugated shape having a plurality of folding portions in the height direction of the refractory belt-like material, and several portions of the folding portions are sewn with stainless steel threads extending in the width direction. By doing so, the extension allowance is prevented from projecting to the outside from the outer wall surface of the upper and lower structures, or two or more layers of the refractory belt-like material are laminated through a heat insulating space . The present invention is configured as described above, and the refractory belt-like material has sufficient heat resistance and heat insulation against the flame temperature of a general fire or a fire caused by an earthquake or the like, and has a refractory allowance. The belt-shaped material is arranged via a fireproof belt so that it does not protrude outside from the outer wall surface of the upper and lower structures, so it can sufficiently protect the laminated rubber support from the temperature of the fire, and the laminated rubber at the time of earthquake Even if the support body is subjected to shear deformation, the refractory belt-like material is deformed following the elongation, and after the earthquake ends, it returns to its original form by rubber elasticity. And the work of replacing the fire-resistant material is always accommodated in the recessed heat insulation space of the upper and lower structures, so the work and work of covering the fire-resistant material with a decorative board or the like is omitted. Can also It is.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
FIG. 1 is a half sectional view of a fireproof covering structure in a building seismic isolation device showing a first embodiment of the present invention. FIG. 2 is an enlarged sectional view of a main part of the present invention. A laminated rubber support 3 integrally formed by alternately laminating steel plates 1 and rubber plates 2 is connected to an upper structure 5 such as a column and a lower structure via flange portions 4a and 4b provided on the upper and lower surfaces thereof. A plurality of bolts 7 or the like are interposed between the object 6 and the object 6.
[0010]
The cross-sectional shape of the laminated rubber support 3 is circular in this embodiment, but is not particularly limited, and the size may be any size depending on the size of the building. It is something to design.
Around the side surface of the laminated rubber support 3, a fire-resistant belt-like material 9 is wound and disposed so as to cover the laminated rubber support 3 with a predetermined heat insulating space 8 interposed therebetween. The end portion 9a is fixed to the upper and lower structures 18a and 18b of the laminated rubber support 3 via the fireproof belt 10 by a plurality of bolts 11, and the mating portion 9b of the fireproof belt-like material 9 is connected via the bolt 12. It is fixed.
[0011]
As shown in FIGS. 1 and 2, the refractory belt-like material 9 includes a surface cloth 13 made of a ceramic fiber cloth having a thickness of about 2 mm and a flame resistant cloth having a thickness of about 1 mm (made by Asahi Kasei Kogyo Co., Ltd., flame resistant fiber). between the rear cloth 14 made of Rasutan) Yes formed integrally with intervening ceramic fibers 15 of about a thickness 50 mm, in the central portion in the height direction of the refractory material web 9, bellows Alternatively, a corrugated stretch allowance 16 is provided. The fireproof belt 10 is integrally formed by interposing a ceramic fiber 15 between a front cloth 13 made of a ceramic fiber cloth and a backing cloth 14 made of a flame resistant cloth (made by Asahi Kasei Kogyo Co., Ltd., flame resistant fiber lastan). It is formed.
[0012]
The bellows-like or corrugated stretch allowance 16 is configured to be folded at the sewing portion 17 by sewing several places in the height direction and width direction of the refractory belt-like material 9 with a stainless steel thread at a predetermined interval. The extension allowance 16 is accommodated in the heat insulating space 8 so as not to protrude outside from the outer wall surfaces of the upper and lower structures 5 and 6.
The width L of the heat insulating space 8 between the laminated rubber support 3 and the refractory belt-like material 9 is 50 mm or more, preferably about 100 to 150 mm. That is, the width L of the heat insulating space 8 is insulated from 700 ° C. to 800 ° C. with the refractory material 9 when the external temperature of the flame due to fire is assumed to be 1,050 ° C., and further to the characteristics of the laminated rubber support 3. In order to insulate so as not to reach a temperature that does not affect (preferably 150 ° C. or less) or ignition temperature, at least the width L of the heat insulating space 8 needs to be 100 mm or more.
[0013]
This is because when the laminated rubber support 3 is heated at 150 ° C. for 2 hours or more, the spring constant of the laminated rubber support 3 changes, and the performance as designed of the laminated rubber support 3 cannot be obtained. In the embodiment of the present invention, the upper and lower end portions 9a of the refractory belt-like material 9 and the refractory belt 10 are configured in a three-layer structure similar to that of the refractory belt-like material 9. Even in the part, sufficient heat resistance can be obtained.
[0014]
The first embodiment of the present invention is as described above, and the refractory belt-like material 9 has sufficient heat resistance and heat insulation against the flame temperature of a fire caused by a general fire or an earthquake, Moreover, since the fire-resistant belt-like material 9 provided with the extension allowance 16 is disposed so as not to protrude outside from the outer wall surfaces of the upper and lower structures 5 and 6, the laminated rubber support 3 is sufficiently protected from the flame temperature of the fire. Is something you can do.
[0015]
Further, even if the laminated rubber support 3 at the time of an earthquake is subjected to shear deformation, the refractory belt-like material 9 is deformed following the elongation allowance 16 and is restored to its original form by rubber elasticity after the end of the earthquake. Since the trouble of repairing or exchanging the belt-like material 9 at each earthquake can be omitted, and the fire-resistant belt-like material 9 has a structure that is always accommodated in the concave heat insulating space 8 of the upper and lower structures 5, 6. The labor and work of covering the refractory belt-like material 9 with a decorative board or the like can be omitted.
[0016]
Next, FIG. 3 shows a half cross-sectional view of a fireproof covering structure showing a second embodiment of the present invention. This embodiment is a structure in which two fireproof belt-like materials 9 and 19 are stacked, and this double structure. Between the refractory belt-like materials 9 and 19, a heat insulating space 8a is provided.
The ceramic fiber 15 of the refractory belt-like material 9 has a thickness of 25 mm, and other configurations are the same as those in the first embodiment.
[0017]
In the second embodiment, the heat insulating effect can be further enhanced by disposing the double-layered refractory belt-like materials 9 and 19. In addition, it is also possible to make the refractory belt-like material 9 and the refractory belt-like material 19 into three or more layers.
[0018]
【The invention's effect】
In the present invention, as described above, the fire belt-like material is integrally formed by interposing a ceramic fiber between a front cloth made of a ceramic fiber cloth and a back cloth made of a flame-resistant cloth. and elongation allowance provided at the center portion of the direction, since the fixed end of the vertical structure of the laminated rubber bearing body from the outer wall surface through a refractory belt so as not to protrude outside the upper and lower structure, during an earthquake The fireproof covering material can follow the shear deformation of the laminated rubber bearing, and it is structured to be accommodated in the concave heat insulating space of the upper and lower structures, so the fireproof covering material can be covered with a decorative board, etc. Can be manufactured at low cost and has sufficient heat and heat resistance against general fires and fires caused by earthquake disasters, etc. Seismic function There is an effect that it is possible to effectively prevent the harm.
[Brief description of the drawings]
FIG. 1 is a half sectional view of a fireproof covering structure in a building seismic isolation device showing a first embodiment of the present invention;
FIG. 2 is an enlarged cross-sectional view of a main part of the present invention.
FIG. 3 is a half sectional view of a fireproof covering structure in a building seismic isolation device showing a second embodiment of the present invention;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Steel plate 2 Rubber plate 3 Laminated rubber support body 4a, 4b Flange part 5 Upper structure 6 Lower structure 7 Bolt 8 Heat insulation space 9 Fire band material 9a Upper end and lower end part 9b of fire band material 9c Eyelet 10 Fireproof belt 11 Bolt 12 Bolt 13 Outer cloth 14 Back cloth 15 Ceramic fiber 16 Elongation allowance 17 Sewing part 18a Upper structure end 18b Lower structure end 19 Fire-resistant belt-like material

Claims (3)

複数枚の鋼板とゴム板とを交互に積層させて一体的に形成した積層ゴム支承体を上部構造物と下部構造物との間に介在させ、前記積層ゴム支承体の側面周囲に、所定の断熱空間を隔てて耐火帯状材料を覆うように配設すると共に、該耐火帯状材料の上下端部を積層ゴム支承体の上下フランジ部に固定して成る免震装置における耐火被覆構造において、前記耐火帯状材料を、セラミックファイバークロスから成る表布と耐炎クロスから成る裏布との間にセラミックファイバーを介在させて一体的に形成し、この耐火帯状材料の高さ方向の中央部に伸び代を設けると共に、該耐火帯状材料を前記上下構造物の外壁面から外部に突出しないように、耐火ベルトを介して、前記積層ゴム支承体の上下構造体の端部に固定して成る免震装置における耐火被覆構造。A laminated rubber support body integrally formed by alternately laminating a plurality of steel plates and rubber plates is interposed between the upper structure and the lower structure, and around the side surface of the laminated rubber support body, a predetermined In the fireproof covering structure in the seismic isolation device, the fireproof belt-like material is disposed so as to cover the fireproof belt-like material across the heat insulating space, and the upper and lower ends of the fireproof belt-like material are fixed to the upper and lower flange portions of the laminated rubber bearing. The band-shaped material is integrally formed by interposing a ceramic fiber between a front cloth made of ceramic fiber cloth and a back cloth made of flame-resistant cloth, and an extension allowance is provided at the center in the height direction of the fire-resistant band material. In addition, in the seismic isolation device , the refractory belt- like material is fixed to the ends of the upper and lower structures of the laminated rubber support via a refractory belt so as not to protrude outside from the outer wall surface of the upper and lower structures. Fireproof Covered structure. 前記耐火帯状材料の伸び代が、耐火帯状材料の高さ方向に複数の折り畳み部を有する蛇腹状または波形状からなり、該折り畳み部の数カ所を幅方向に延びるステンレス製の糸で縫製することにより、前記伸び代が上下構造物の外壁面から外部に突出しないようにした請求項１に記載の免震装置における耐火被覆構造。 The elongation of the refractory belt-like material is a bellows-like or corrugated shape having a plurality of folding portions in the height direction of the refractory belt-like material, and is sewn with stainless steel threads extending in the width direction at several places of the folding portions. The fireproof covering structure in a seismic isolation device according to claim 1 , wherein the extension allowance does not protrude outside from the outer wall surface of the upper and lower structures. 前記耐火帯状材料を、断熱空間を介して二層以上積層させて構成した請求項１または請求項２に記載の免震装置における耐火被覆構造。The fireproof covering structure in the seismic isolation device according to claim 1 or 2, wherein the fireproof belt-like material is formed by laminating two or more layers through a heat insulating space .
JP11089497A 1997-04-28 1997-04-28 Fireproof coating structure in seismic isolation devices Expired - Fee Related JP3769352B2 (en)

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KR101222044B1 (en) * 2011-03-16 2013-01-15 재단법인 포항산업과학연구원 Apparatus for absorbing vibration
KR101225892B1 (en) * 2011-04-29 2013-01-24 한국기술교육대학교 산학협력단 Vibration and shock absorbing device of wireless local loop system using plastic and elastic deformation
KR101227200B1 (en) * 2011-04-29 2013-01-28 한국기술교육대학교 산학협력단 Vibration and shock absorbing device of wireless local loop system using laminated plate and damping rubber
KR101208034B1 (en) * 2012-05-09 2012-12-04 유니슨이테크 주식회사 Seismic isolation bearing
CN104314193B (en) * 2014-11-03 2016-08-24 广州大学 The fire prevention of a kind of shock insulation rubber bearing and wind resistance combination unit
CN105155671B (en) * 2015-07-14 2017-08-25 云南震安减震科技股份有限公司 Fireproof shock insulation rubber support
CN107386456B (en) * 2017-09-21 2024-02-02 安徽新华学院 Series type fireproof protection device for shearing type rubber vibration isolation support
CN116427555B (en) * 2023-02-22 2024-02-27 应急管理部天津消防研究所 Prefabricated fireproof and active self-cleaning function shock insulation support system and use method thereof

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