JP2004266990A - Fire-protecting-structure construction method for cable-passing portion in building and fire protecting structure of cable-passing portion in building - Google Patents

Fire-protecting-structure construction method for cable-passing portion in building and fire protecting structure of cable-passing portion in building Download PDF

Info

Publication number
JP2004266990A
JP2004266990A JP2003353336A JP2003353336A JP2004266990A JP 2004266990 A JP2004266990 A JP 2004266990A JP 2003353336 A JP2003353336 A JP 2003353336A JP 2003353336 A JP2003353336 A JP 2003353336A JP 2004266990 A JP2004266990 A JP 2004266990A
Authority
JP
Japan
Prior art keywords
cable
opening
refractory
fixing
fire
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2003353336A
Other languages
Japanese (ja)
Inventor
Tomohiro Honda
友弘 本田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CFS KK
Original Assignee
CFS KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CFS KK filed Critical CFS KK
Priority to JP2003353336A priority Critical patent/JP2004266990A/en
Publication of JP2004266990A publication Critical patent/JP2004266990A/en
Pending legal-status Critical Current

Links

Images

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fire protecting structure for a cable-passing portion in a building that is of a simple structure and excellent in fire-retarding characteristics without filling multiple layers of fire-resistant materials comprising a rock wool or without using an expensive granular fire-resistant filler, and a fire-protecting-structure construction method. <P>SOLUTION: A gap between a fire-resistant partition board 4 and a cable 1 is filled with a heat-resistant sealing material 7, using a fixing tool comprising a support member into which a locking member of a round bar is fitted or directly clamping and fixing the partition board 4 with a fastening tool 3. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

本発明は、ビルやマンション、工場等における大きな建物における壁や床等の開口部を貫通する電気配線ケーブルの防火構造に関し、更に詳しくは、日本建築センターの１時間の耐火試験に対応出来る新規な建物ケーブル貫通部の防火構造を提供するものである。   The present invention relates to a fire prevention structure of an electric wiring cable penetrating an opening such as a wall or a floor in a large building such as a building, an apartment, or a factory. The present invention provides a fire protection structure for a building cable penetration.

従来、ビルやマンション、工場等における大きな建物においては、建物が出火した場合に他の部屋への延焼を防止するためにいくつかの区画に仕切っており、それぞれの境界の壁や床に耐火スラブで防火区画を設けている。   Conventionally, large buildings such as buildings, condominiums, factories, etc. are divided into several sections in order to prevent fire from spreading to other rooms when a building fires, and fire slabs are attached to the walls and floors at each boundary. A fire protection compartment is provided.

これらの構造体を示すものとして特公平５−５２１２２号「建物耐火スラブの貫通部防火構造」は、「建物の耐火スラブに開設されてケーブル等の貫通物が貫通する貫通孔に耐火材で防火空間を形成し、この防火空間内には結合材を用いて吸熱性耐火材と熱膨張性耐火材の混合物又は吸熱性及び熱膨張性を有する耐火材を粒径１〜25ｍｍの顆粒状に成形してなる吸熱性。熱膨張性顆粒状耐火充填材を充填し、上記防火空間内において貫通物を吸熱性・熱膨張性顆粒状体か充填材で完全に包囲した建物耐火スラブの貫通部防火構造」が開示されている。   As an example of these structures, Japanese Patent Publication No. 5-52122 entitled "Fireproof structure for building through fireproof slab" uses "fireproof material in a through-hole that is opened in the fireproof slab of building and through which through objects such as cables penetrate. A space is formed, and a mixture of an endothermic refractory material and a heat-expandable refractory material or a refractory material having an endothermic and heat-expandable material is formed into a granule having a particle size of 1 to 25 mm using a binder in the fire prevention space. Fire penetration of building refractory slabs filled with heat-expandable granular refractory filler, and in which the penetrating material is completely surrounded by heat-absorbent, heat-expandable granular material or filler in the fire protection space. Structure "is disclosed.

さらに特許第２９１６６６８号「ケーブル貫通部の防火構造」は、「複数のケーブルが、ケーブルラック内に収容された状態で、構造物の隔壁若しくは床壁を貫通する壁貫通孔に貫通配置され、上記複数のケーブル及びケーブルトラックの外周囲と上記壁貫通孔の開口部との間の隙間が耐火性仕切板により遮蔽されたケーブル貫通部の防火構造において、上記複数のケーブル及びケーブルラックの外周囲を、上記壁貫通孔の片側開口部から上記ケーブルの長手方向外側範囲にわたり覆う防火パテと着部と、この防火パテ塗着部を上記ケーブルの長手方向に直交する方向の両側から挟んで遮蔽する一対の耐火性遮蔽板と、この一対の遮蔽板を互いに独立して上記ケーブルトラックに対し着脱可能に位置固定する少なくとも一対の固定手段とを備えているケーブル貫通部の防火構造」が開示されている。   Further, Japanese Patent No. 2916668 “Fire prevention structure of cable penetration portion” discloses that “a plurality of cables are accommodated in a cable rack, and are arranged to penetrate a wall through hole penetrating a partition wall or a floor wall of the structure. In a fire prevention structure of a cable penetration portion in which a gap between the outer periphery of a plurality of cables and a cable track and the opening of the wall through hole is shielded by a fire-resistant partition plate, the outer periphery of the plurality of cables and a cable rack is formed. A fire-protective putty and an attachment portion that covers the outer side in the longitudinal direction of the cable from one side opening of the wall through-hole, and a pair of shields that sandwich the fire-resistant putty coating portion from both sides in a direction orthogonal to the longitudinal direction of the cable. And at least one pair of fixing means for detachably fixing the pair of shield plates to the cable track independently of each other. And fire the structure of the cable penetration portion has "is disclosed.

しかしながら従来の防火構造は、いずれも日本建築センターの２時間の耐火試験に合格するために、ロックウールを用いる場合には２００ｋｇ/ｍ３の充填密度で充填したり、防火パテを使用する場合には厚く整形すると剥離や脱落という危険性を有していたため、顆粒状からなる耐火充填材を用いたり一対の遮蔽板を用いてこれらを固定具で固定する等の対応をしていた。
特公平５−５２１２２号 特許第２９１６６６８号 However, in order to pass the two-hour fire resistance test of the Nippon Building Center, all of the conventional fire prevention structures are filled with 200 kg / m 3 when using rock wool or when using fire protection putty. Since there was a risk of peeling or falling off when formed thickly, measures such as using a refractory filler made of granules or fixing them with a fixture using a pair of shielding plates were taken.
Tokuho 5-52122 Patent No. 2916668

近年、上記日本建築センターの耐火試験の時間が２時間から１時間へと改正されるようになり、簡易な構造体でしかも耐火特性に優れた防火構造の開発が建築業界の中で望まれていた。   In recent years, the fire resistance test time at the Japan Building Center has been revised from 2 hours to 1 hour, and the development of a fire prevention structure with a simple structure and excellent fire resistance has been desired in the building industry. Was.

また従来の構造体のようにロックウール等のような繊維状充填材を用いること無く、公害上対策にも優れた素材を用いる新規な構造物の開発も併せて望まれていた。   Further, development of a new structure using a material excellent in pollution control without using a fibrous filler such as rock wool as in the conventional structure has been desired.

本発明者は掛かる課題を解決するために鋭意研究したところ、安価な丸棒からなる係止具や該係止具に勘合する中空棒を耐火仕切板の固定具として用い、更に前記耐火仕切板上面を固着具でビス固定することによって、耐火仕切板の位置がずれないように固定した後に耐熱シール材で耐火仕切材とケーブルとの間の隙間を充填することによって密封状態に出来る新規な建物ケーブル貫通部の防火構造工法及び防火構造自体を提供するものである。   The inventor of the present invention has conducted intensive studies to solve the problems to be solved, and has found that an inexpensive round bar engaging member and a hollow bar fitted with the engaging member are used as a fixing member of a fireproof partition plate, and the fireproof partition plate is further used. A new building that can be sealed by fixing the refractory partition plate so that the position of the refractory partition plate does not shift by fixing the upper surface with screws with fasteners, and then filling the gap between the refractory partition material and the cable with heat resistant seal material It is an object of the present invention to provide a method for constructing a fire prevention structure for a cable penetration portion and a fire prevention structure itself.

すなわち本発明の第一は、構造物の床壁の貫通孔内に貫通する複数のケーブルをケーブルラックで囲みながら収容した状態で、上記貫通孔の開口部とケーブルラックとの間を耐火材で遮蔽するケーブル貫通部の防火構造工法において、複数のケーブル１が貫通している床スラブ１２に設けられた開口部９に、床平面より高い位置に貫通枠２の上部が位置するように設定する第一工程と、該貫通枠２の端部から折り曲げ部を有する係止部材１０と該係止部材１０の大きさに合わせて所定の長さに調整される支持部材１１とからなる固定具３を、前記ケーブル１を直行するように囲んだケーブルラック８の幅方向に並列に設置する第二工程と、前記開口部９の大きさに合わせて切断した耐火仕切材４を、開口部９全体に充填する第三工程と、第三工程で充填した耐火仕切材４の端部に、複数の固着材でビス６固定する第四工程と、前記耐火仕切材４とケーブル１との隙間に、耐熱シール材７をテーパ状に充填する第五工程と、からなることを特徴とする建物ケーブル貫通部の防火構造工法である。   That is, the first aspect of the present invention is a state in which a plurality of cables penetrating into a through hole in a floor wall of a structure are housed while being surrounded by a cable rack, and a space between the opening of the through hole and the cable rack is made of a refractory material. In the fire prevention construction method of the cable penetration portion to be shielded, the upper portion of the penetration frame 2 is set at a position higher than the floor plane at the opening 9 provided in the floor slab 12 through which the plurality of cables 1 penetrate. Fixture 3 comprising a first step, a locking member 10 having a bent portion from an end of the through frame 2, and a supporting member 11 adjusted to a predetermined length according to the size of the locking member 10. Is installed in parallel in the width direction of a cable rack 8 surrounding the cable 1 in a straight line, and the refractory partitioning material 4 cut in accordance with the size of the opening 9 is attached to the entire opening 9. A third step of filling the A fourth step of fixing the screws 6 with a plurality of fixing materials to the end of the refractory partition material 4 filled in the above step, and filling the gap between the refractory partition material 4 and the cable 1 with the heat-resistant sealing material 7 in a tapered shape. And a fifth step.

本発明の第二は、前記固定具３は、折り曲げ部を有する係止部材１０として丸鋼棒からなり、該係止部材１０に勘合して長さ調整可能な支持部材１１として前記丸鋼棒の直径より大きい内径を有する中空管或いは平空管であることを特徴とする請求項１記載の建物ケーブル貫通部の防火構造工法である。   Second, in the present invention, the fixing member 3 is made of a round steel bar as a locking member 10 having a bent portion, and the round steel bar is used as a supporting member 11 whose length can be adjusted by fitting to the locking member 10. 2. The method according to claim 1, wherein the pipe is a hollow pipe or a hollow pipe having an inner diameter larger than the diameter of the pipe.

本発明の第三は、構造物の床壁の貫通孔内に貫通する複数のケーブルをケーブルラックで囲みながら収容した状態で、上記貫通孔の開口部とケーブルラックとの間を耐火材で遮蔽するケーブル貫通部の防火構造工法において、
複数のケーブル１が貫通している床スラブ１２に設けられた開口部９に、該開口部９の端部から折り曲げ部を有する係止部材１０と係止部材１０の大きさに合わせて所定の長さに調整される支持部材１１とからなる固定具３を、前記ケーブル１を直行するように囲んだケーブルラック８の幅方向に並列に設置する第一工程と、
前記開口部９の大きさに合わせて切断した耐火仕切材４を、前記固定具３の上部に充填する第二工程と、
第二工程で充填した耐火仕切材４の上部に複数の固着材１４を載置し、該固着部１４端部の取付け金具をビス６固定する第三工程と、
前記耐火仕切材４とケーブル１との隙間に、耐熱シール材７を充填する第四工程と、からなることを特徴とする建物ケーブル貫通部の防火構造工法である。 A third aspect of the present invention is a state in which a plurality of cables penetrating into a through hole in a floor wall of a structure are housed while being surrounded by a cable rack, and a gap between the opening of the through hole and the cable rack is shielded by a refractory material. In the fire prevention construction method of the cable penetration part
An opening 9 provided in a floor slab 12 through which a plurality of cables 1 pass is provided with a locking member 10 having a bent portion from an end of the opening 9 and a predetermined size according to the size of the locking member 10. A first step of arranging the fixture 3 including the support member 11 adjusted to the length in parallel in the width direction of the cable rack 8 surrounding the cable 1 so as to be orthogonal thereto;
A second step of filling the upper part of the fixture 3 with the refractory partition material 4 cut according to the size of the opening 9;
A third step of placing a plurality of fixing members 14 on the upper part of the refractory partition member 4 filled in the second step, and fixing a mounting bracket at an end of the fixing portion 14 with a screw 6;
A fourth step of filling a gap between the refractory partition member 4 and the cable 1 with a heat-resistant sealing material 7.

本発明の第四は、構造物の床壁の貫通孔内に貫通する複数のケーブルをケーブルラックで囲みながら収容した状態で、上記貫通孔の開口部とケーブルラックとの間を耐火材で遮蔽するケーブル貫通部の防火構造工法において、
複数のケーブル１が貫通している床スラブ１２に設けられた開口部９の大きさ以上に合わせて切断した耐火仕切材４を、前記開口部９の上に載置する第一工程と、
前記耐火仕切材４の上部に複数の固着材１４を載置し、該固着部１４端部の取付け金具１５をビス６固定する第二工程と、
前記耐火仕切材４とケーブル１との隙間に、耐熱シール材７を充填する第三工程と、からなることを特徴とする建物ケーブル貫通部の防火構造工法である。 A fourth aspect of the present invention is to shield a gap between the opening of the through hole and the cable rack with a refractory material in a state where a plurality of cables penetrating into the through hole in the floor wall of the structure are housed while being surrounded by a cable rack. In the fire prevention construction method of the cable penetration part
A first step of placing the refractory partition material 4 cut in accordance with the size of the opening 9 provided in the floor slab 12 through which the plurality of cables 1 pass through, on the opening 9;
A second step of placing a plurality of fixing members 14 on the upper part of the refractory partition member 4 and fixing screws 6 at ends of the fixing portions 14 with screws 6;
A third step of filling a gap between the refractory partition member 4 and the cable 1 with a heat-resistant sealing material 7.

本発明の第五は、前記固着部１４は丸棒製であり、両端部に端子状の取付け金具１５が挿通され、端子中央部の孔部をビス固定することを特徴とする請求項２又は請求項３記載の建物ケーブル貫通部の防火構造工法である。   A fifth aspect of the present invention is characterized in that the fixing portion 14 is made of a round bar, terminal-shaped mounting brackets 15 are inserted into both ends, and a hole at the center of the terminal is fixed with a screw. A fire prevention structure method for a building cable penetration part according to claim 3.

本発明の第六は、構造物の壁又は床壁の貫通孔内に貫通する複数のケーブルをケーブルラックで囲みながら収容した状態で、上記貫通孔の開口部とケーブルラックとの間を耐火材で遮蔽するケーブル貫通部の防火構造工法において、
複数のケーブル１が貫通している壁に設けられた開口部９に、該開口部９の端部から折り曲げ部を有する係止部材１０と該係止部材１０の大きさに合わせて所定の長さに調整される支持部材１１とからなる固定具３を、前記ケーブル１を直行するように囲んだケーブルラック８の幅方向に並列に設置する第一工程と、
前記開口部９の大きさに合わせて切断した耐火仕切材４を、開口部９全体に充填する第二工程と、
第二工程で充填した耐火仕切材４の端部に、複数の固着材でビス６固定する第三工程と、
前記耐火仕切材４とケーブル１との隙間に、耐熱シール材７を充填する第四工程と、からなることを特徴とする建物ケーブル貫通部の防火構造工法である。 In a sixth aspect of the present invention, a fireproof material is provided between the opening of the through-hole and the cable rack in a state where a plurality of cables penetrating into the through-hole of the wall of the structure or the floor wall are housed while being surrounded by the cable rack. In the fire prevention construction method of the cable penetration part shielded by
An opening 9 provided in a wall through which the plurality of cables 1 pass is provided with a locking member 10 having a bent portion from an end of the opening 9 and a predetermined length according to the size of the locking member 10. A first step of arranging the fixture 3 including the support member 11 to be adjusted in parallel in the width direction of the cable rack 8 surrounding the cable 1 so as to be orthogonal thereto;
A second step of filling the entire opening 9 with the refractory partition material 4 cut in accordance with the size of the opening 9;
A third step of fixing a screw 6 to the end of the refractory partition material 4 filled in the second step with a plurality of fixing materials;
A fourth step of filling a gap between the refractory partition member 4 and the cable 1 with a heat-resistant sealing material 7.

本発明の第七は、構造物の壁又は床壁の貫通孔内に貫通する複数のケーブルをケーブルラックで囲みながら収容した状態で、上記貫通孔の開口部とケーブルラックとの間を耐火材で遮蔽するケーブル貫通部の防火構造工法において、
複数のケーブル１が貫通している壁材に設けられた開口部９の大きさ以上に合わせて切断した耐火仕切材４を、前記開口部９を覆うように位置止めする第一工程と、
前記耐火仕切材の上部に複数の固着材１４を当て、該固着材１４端部の取付け金具１５でビス６固定する第二工程と、
前記耐火仕切材４とケーブル１との隙間に、耐熱シール材７を充填する第三工程と、からなることを特徴とする建物ケーブル貫通部の防火構造工法である。 A seventh aspect of the present invention is a fire-resistant material that fills a gap between the opening of the through-hole and the cable rack in a state where a plurality of cables penetrating into the through-hole of the wall of the structure or the floor wall are housed while being surrounded by the cable rack. In the fire prevention construction method of the cable penetration part shielded by
A first step of positioning the refractory partition material 4 cut to fit the size of the opening 9 provided in the wall material through which the plurality of cables 1 pass to cover the opening 9;
A second step of applying a plurality of fixing members 14 on the upper part of the refractory partition member and fixing the screws 6 with mounting brackets 15 at the ends of the fixing members 14;
A third step of filling a gap between the refractory partition member 4 and the cable 1 with a heat-resistant sealing material 7.

本発明の第八は、前記開口部は、壁材であるスラブ材、ＡＬＣ板、石膏ボード板からなる素材で形成されていることを特徴とする請求項６又は請求項７記載の建物ケーブル貫通部の防火構造工法である。   An eighth aspect of the present invention is the building cable penetration according to claim 6 or 7, wherein the opening is formed of a material consisting of a slab material as a wall material, an ALC plate, and a gypsum board plate. It is the fire protection construction method of the part.

本発明の第九は、構造物の床壁の貫通孔内に貫通する複数のケーブルをケーブルラックで囲みながら収容した状態で、上記貫通孔の開口部とケーブルラックとの間を耐火材で遮蔽するケーブル貫通部の防火構造において、
複数のケーブル１が貫通している床スラブ１２に設けられた開口部９に、必要において設けられる貫通枠２と、
該貫通枠２、又は開口部壁面の両端部を連結する、折り曲げ部を有する係止部材１０と該係止部材１０の大きさに合わせて所定の長さに調整される支持部材１１とからなる固定具３と、
前記ケーブルの位置を調整するケーブルラック８と、
前記開口部９の大きさに合わせて充填する耐火仕切材４と、
耐火仕切材４を固定する複数の固着材と、
前記耐火仕切材４とケーブル１との隙間を充填する耐熱シール材７とから構成されることを特徴とする建物ケーブル貫通部の防火構造である。 According to a ninth aspect of the present invention, in a state where a plurality of cables penetrating into the through holes in the floor wall of the structure are housed while being surrounded by a cable rack, the opening between the through holes and the cable rack are shielded with a refractory material. In the fire prevention structure of the cable penetration part
A through frame 2 provided as necessary in an opening 9 provided in a floor slab 12 through which a plurality of cables 1 pass;
It comprises a locking member 10 having a bent portion for connecting both ends of the through frame 2 or the opening wall, and a supporting member 11 adjusted to a predetermined length according to the size of the locking member 10. Fixture 3,
A cable rack 8 for adjusting the position of the cable;
A refractory partitioning material 4 to be filled according to the size of the opening 9;
A plurality of fixing materials for fixing the refractory partition material 4,
A fire prevention structure for a building cable penetration portion, comprising a heat-resistant seal material 7 for filling a gap between the fire-resistant partition member 4 and the cable 1.

本発明の第十は、構造物の床壁の貫通孔内に貫通する複数のケーブルをケーブルラックで囲みながら収容した状態で、上記貫通孔の開口部とケーブルラックとの間を耐火材で遮蔽するケーブル貫通部の防火構造において、
複数のケーブル１が貫通している壁材に設けられた開口部９に、必要において設けられる貫通枠２と、
該貫通枠２、又は開口部壁面の両端部を連結する、折り曲げ部を有する係止部材１０と該係止部材１０の大きさに合わせて所定の長さに調整される支持部材１１とからなる固定具３と、
前記ケーブルの位置を調整するケーブルラック８と、
前記開口部９の大きさに合わせて充填する耐火仕切材４と、
耐火仕切材４を固定する複数の固着材と、
前記耐火仕切材４とケーブル１との隙間を充填する耐熱シール材７とから構成されることを特徴とする建物ケーブル貫通部の防火構造である。 According to a tenth aspect of the present invention, in a state where a plurality of cables penetrating into a through hole in a floor wall of a structure are housed while being surrounded by a cable rack, a space between the opening of the through hole and the cable rack is shielded with a fireproof material. In the fire prevention structure of the cable penetration part
An opening 9 provided in a wall material through which the plurality of cables 1 pass, a penetration frame 2 provided as necessary,
It comprises a locking member 10 having a bent portion for connecting both ends of the through frame 2 or the opening wall, and a supporting member 11 adjusted to a predetermined length according to the size of the locking member 10. Fixture 3,
A cable rack 8 for adjusting the position of the cable;
A refractory partitioning material 4 to be filled according to the size of the opening 9;
A plurality of fixing materials for fixing the refractory partition material 4,
A fire prevention structure for a building cable penetration portion, comprising a heat-resistant seal material 7 for filling a gap between the fire-resistant partition member 4 and the cable 1.

本発明の防火構造は、床面や壁面の端部から固定具３を設置した上に耐火仕切材４をケーブル１を囲むように充填し、あるいは床面や壁面に耐火仕切材を載置して固着材で取付け、更にこれらの隙間に耐熱シール材を充填するだけで耐熱性や防火性に優れた防火構造を得ることができ、従来品のように耐火仕切材を複数段必要としないため安価に製造可能なものである。   In the fire protection structure of the present invention, the fixture 3 is installed from the end of the floor surface or the wall surface, and the refractory partition material 4 is filled so as to surround the cable 1, or the refractory partition material is placed on the floor surface or the wall surface. By simply attaching with a fixing material and filling these gaps with a heat-resistant seal material, a fireproof structure with excellent heat resistance and fire resistance can be obtained, and there is no need for multiple stages of fire-resistant partitioning materials unlike conventional products It can be manufactured at low cost.

本発明の防火構造は、従来のように多数のロックウール等の耐熱材を用いなく、また圧縮されたロックウールの仕切り板表面には延焼防止材が塗布されているために、作業者が繊維質のウールを体内に吸収することは少なく安全である。   The fire prevention structure of the present invention does not use a large number of heat-resistant materials such as rock wool as in the prior art, and since the fire spread prevention material is applied to the surface of the compressed rock wool partition plate, the fiber It is low and safe to absorb quality wool into the body.

本発明の防火構造は、上記のように従来構造に比較すると簡易な構造であるが、新しい日本建築センターで指定する１時間の耐火試験に十分に対応可能な構造を有するものである。   The fire prevention structure of the present invention is a simple structure as compared with the conventional structure as described above, but has a structure that can sufficiently cope with the one-hour fire test specified by the new Japan Building Center.

以下に図面を参照して、本発明を詳細に説明するが、本発明の範囲はこれらに限定されるものではない。   Hereinafter, the present invention will be described in detail with reference to the drawings, but the scope of the present invention is not limited thereto.

図１及び図２は、床面、特に水止めを兼ねた床ケーブル貫通部における防火構造を示す断面図と平面図である。   1 and 2 are a cross-sectional view and a plan view showing a fire prevention structure at a floor surface, particularly at a floor cable penetration portion which also serves as a water stop.

床スラブ１２に設けられた開口部９を貫通する複数のケーブル１を密封充填して防火構造とする場合、先ず開口部９に嵌合する貫通枠２をはめ込み、上部が約５ｃｍ程度上面に出るように固着設定する（第一工程）。   When a plurality of cables 1 penetrating through the opening 9 provided in the floor slab 12 are hermetically sealed to form a fire prevention structure, first, the penetration frame 2 fitted into the opening 9 is fitted, and the upper part comes out to the upper surface by about 5 cm. (First step).

次いで図５に示されるように折り曲げ部を有する丸棒からなる係止部材１０と、該係止部材１０の外形より大きく、内部が中空形状である支持部１１とを開口部の大きさに併せて切断して嵌合した固定具３を、前記ケーブル１を直行するように囲んだケーブルラック８の幅方向に並列に設置する（第二工程）。   Next, as shown in FIG. 5, a locking member 10 made of a round bar having a bent portion, and a supporting portion 11 having a hollow shape larger than the outer shape of the locking member 10 are adjusted to the size of the opening. The fixtures 3 that have been cut and fitted are installed in parallel in the width direction of a cable rack 8 that surrounds the cable 1 so as to be orthogonal (second step).

次いで、前記開口部９の大きさに合わせて切断した耐火仕切材４を、前記固定具３の上に掛かるようにしながら開口部９全体に押し込み充填する（第三工程）が、この場合、先ず耐火仕切材４を開口部の縦・横の長さに合わせて切断した後に、先に設置したケーブルラック８を囲むように凹凸形状に切断することが好ましい。   Next, the refractory partition material 4 cut in accordance with the size of the opening 9 is pushed and filled into the entire opening 9 while hanging on the fixture 3 (third step). It is preferable to cut the refractory partitioning material 4 according to the vertical and horizontal lengths of the opening, and then cut it into an uneven shape so as to surround the previously installed cable rack 8.

凹凸形状に切断された凹状仕切材４１は、固定具３の上に位置し、且つ、ケーブラック８の外側に沿って開口部との間に押し込められ、一方の凸状仕切材４２の方はそのままではケーブル１及びケーブルラック８の先端部と重なり合うために、重なり合わないように予めケーブル１及びケーブルラック８の先端部の形状に切断した後に、同様に固定具３の上に位置し、且つ、ケーブラック８の内側にに沿って開口部との間に押し込めた。   The concave partitioning material 41 cut into an uneven shape is located on the fixture 3 and is pushed along the outside of the case black 8 between the opening and the opening, and one of the convex partitioning materials 42 is As it is, as it is, it overlaps with the distal end of the cable 1 and the cable rack 8, so that it is cut into the shape of the distal end of the cable 1 and the cable rack 8 in advance so as not to overlap, and is similarly positioned on the fixture 3, and , Along the inside of the case black 8 and between the openings.

上記耐火仕切材４としては、ロックウールを２００ｋｇ/ｍ３の圧力で圧縮した厚みが５０ｍｍの板に、水酸化アルミニウム、三酸化アンチモン、アクリルポリマー等の延焼防止剤を約１ｍｍ厚に塗布したした素材を用いたが、本発明に使用できる耐火仕切材４は、延焼防止効果を有し簡単に切断できる素材であれば全て応用できるものである。 As the refractory partition member 4, a fire retardant such as aluminum hydroxide, antimony trioxide, or an acrylic polymer was applied to a thickness of about 1 mm on a 50 mm-thick plate obtained by compressing rock wool at a pressure of 200 kg / m 3 . Although a raw material is used, any refractory partitioning material 4 that can be used in the present invention can be applied as long as it has a fire spread preventing effect and can be cut easily.

第三工程で充填した耐火仕切材４表面を平らにした後の端部に、複数の平鋼からなる固着材５をピアスビス６で固定した（第四工程）が、上記固着具６の押さえにより耐火仕切板４は、前記丸棒製固定具３との間に固定され開口部からの落剥は生じない。   At the end after flattening the surface of the refractory partition material 4 filled in the third step, fixing members 5 made of a plurality of flat steels were fixed with piercing screws 6 (fourth step). The refractory partition plate 4 is fixed between the round bar fixture 3 and does not fall off from the opening.

最後に、前記耐火仕切材４とケーブル１、或いはケーブルラック８との間に隙間が生ずるために、耐熱シール材７をテーパ状に充填して、階下からの延焼を防止するようにしている（第五工程）。   Finally, since a gap is formed between the refractory partition member 4 and the cable 1 or the cable rack 8, the heat-resistant seal member 7 is filled in a tapered shape to prevent fire from spreading downstairs. Fifth step).

本発明で使用する耐熱シール材７は、上記水酸化アルミニウム、三酸化アンチモン、アクリルポリマー等の延焼防止剤にロックウールチップとを混合した粒土状のものが好ましいが、本発明に使用できる耐熱シール材７は、延焼防止効果を有し、簡単に充填可能なペースト素材であれば全て応用できるものである。   The heat-resistant sealing material 7 used in the present invention is preferably a granular material obtained by mixing a fire retardant such as aluminum hydroxide, antimony trioxide, an acrylic polymer and the like with rock wool chips. The sealing material 7 can be applied to any paste material that has an effect of preventing fire spread and can be easily filled.

図３及び図４は、壁面と同一面とするケーブル貫通部における別な形態の防火構造を示す断面図と平面図である。   FIG. 3 and FIG. 4 are a cross-sectional view and a plan view showing another form of a fire prevention structure in a cable penetration portion which is flush with a wall surface.

複数のケーブル１が貫通している壁スラブ１３に設けられた開口部９に、該開口部９の端部から折り曲げ部を有する係止部材と係止部材の大きさに合わせて所定の長さに調整される支持部材１１とからなる固定具３を、前記ケーブル１を直行するように囲んだケーブルラック８の横幅方向に並列に設置する（第一工程）。   An opening 9 provided in a wall slab 13 through which a plurality of cables 1 pass is provided with a locking member having a bent portion from an end of the opening 9 and a predetermined length according to the size of the locking member. Is fixed in parallel in the width direction of the cable rack 8 surrounding the cable 1 so as to be perpendicular to the cable 1 (first step).

次いで、前記開口部９の大きさに合わせて切断した耐火仕切材４を、前記固定具３の上に掛かるようにしながら開口部９全体に押し込み充填する（第二工程）が、この場合、この場合、先ず耐火仕切材４を開口部の縦・横の長さに合わせて切断した後に、先に設置したケーブルラック８を囲むように凹凸形状に切断した。   Then, the refractory partition material 4 cut in accordance with the size of the opening 9 is pushed and filled into the entire opening 9 while hanging on the fixture 3 (second step). In this case, first, the refractory partition member 4 was cut in accordance with the vertical and horizontal lengths of the opening, and then cut into an uneven shape so as to surround the cable rack 8 previously installed.

凹凸形状に切断された凹状仕切材４１を、縦方向で固定具３の上に位置し、且つ、ケーブラック８の外側に沿って開口部との間に押し込め、一方の凸状仕切材４２の方も縦方向で押し込めた場合に、ケーブル１及びケーブルラック８の先端部と重なり合うために、重なり合わないように予めケーブル１及びケーブルラック８の先端部の形状に切断した後に、同様に固定具３の上に位置し、且つ、ケーブラック８の内側にに沿って開口部との間に押し込めた。   The concave partition material 41 cut into an uneven shape is positioned vertically on the fixture 3, and is pushed along the outside of the mobile phone 8 between the opening portion and the convex partition material 42. When the cable is pushed in the vertical direction, the cable 1 and the cable rack 8 are overlapped with the tip of the cable 1 and the cable rack 8. 3 and was pushed along the inside of the K black 8 between the opening.

上記耐火仕切材４としては、上記同様にロックウールを２００ｋｇ/ｍ３の圧力で圧縮した厚みが５０ｍｍの板に、水酸化アルミニウム、三酸化アンチモン、アクリルポリマー等の延焼防止剤を約１ｍｍ厚に塗布したした素材を用いた。 As the refractory partitioning material 4, in the same manner as above, rock wool was compressed at a pressure of 200 kg / m 3 , and a 50 mm-thick plate was coated with a fire retardant such as aluminum hydroxide, antimony trioxide, or an acrylic polymer to a thickness of about 1 mm. The applied material was used.

第二工程で充填した耐火仕切材４表面を平らにした後の端部に、複数の平鋼からなる固着材５をピアスビス６で固定した（第三工程）が、上記固着具６の押さえにより耐火仕切板４は、前記丸棒製固定具３との間に固定されるようになる。   At the end after flattening the surface of the refractory partition material 4 filled in the second step, a plurality of fixing members 5 made of flat steel were fixed with piercing screws 6 (third step). The refractory partition plate 4 is fixed to the round bar fixture 3.

最後に、前記耐火仕切材４とケーブル１、或いはケーブルラック８との間に隙間が生ずるために、耐熱シール材７をテーパ状に充填して、横室等からの延焼を防止するようにしている（第四工程）。   Finally, since a gap is formed between the refractory partitioning member 4 and the cable 1 or the cable rack 8, the heat-resistant sealing member 7 is filled in a tapered shape so as to prevent the spread of fire from a horizontal chamber or the like. (Fourth step).

本発明で使用する耐熱シール材７は、上記水酸化アルミニウム、三酸化アンチモン、アクリルポリマー等の延焼防止剤にロックウールチップとを混合した粒土状のものを用いた。   As the heat-resistant sealing material 7 used in the present invention, a granular material obtained by mixing a fire retardant such as aluminum hydroxide, antimony trioxide, and an acrylic polymer with rock wool chips was used.

図６及び図７に示すように実施例１の応用構造体であるが、開口部９に嵌合する貫通枠２を用いないで図５に示されるように折り曲げ部を有する丸棒からなる係止部材１０と、該係止部材１０の外形より大きく、内部が中空形状である支持部１１とを開口部の大きさより若干広く切断して開口部上に取付けた固定具３を、前記ケーブル１を直行するように囲んだケーブルラック８の幅方向に並列に設置する（第一工程）。   As shown in FIGS. 6 and 7, this is an applied structure of the first embodiment, but does not use the penetrating frame 2 fitted into the opening 9 and is formed of a round bar having a bent portion as shown in FIG. The cable 3 is formed by cutting the stopper member 10 and the support portion 11 having a hollow shape inside, which is larger than the outer shape of the locking member 10, and slightly cutting the support member 11 above the opening. Are installed in parallel in the width direction of the cable rack 8 surrounded so as to go straight (first step).

次いで、前記開口部９の大きさに合わせて切断した耐火仕切材４を、前記固定具３の上に掛かるようにしながら開口部９全体に押し込み充填する（第二工程）が、この場合、先ず耐火仕切材４を開口部の縦・横の長さに合わせて切断した後に、先に設置したケーブルラック８を囲むように凹凸形状に切断することが好ましい。   Next, the refractory partition material 4 cut in accordance with the size of the opening 9 is pushed and filled into the entire opening 9 while hanging on the fixture 3 (second step). It is preferable to cut the refractory partitioning material 4 according to the vertical and horizontal lengths of the opening, and then cut it into an uneven shape so as to surround the previously installed cable rack 8.

凹凸形状に切断された凹状仕切材４１は、固定具３の上に位置し、且つ、ケーブラック８の外側に沿って開口部との間に押し込められ、一方の凸状仕切材４２の方はそのままではケーブル１及びケーブルラック８の先端部と重なり合うために、重なり合わないように予めケーブル１及びケーブルラック８の先端部の形状に切断した後に、同様に固定具３の上に位置し、且つ、ケーブラック８の内側にに沿って開口部との間に押し込めた。   The concave partitioning material 41 cut into an uneven shape is located on the fixture 3 and is pushed along the outside of the case black 8 between the opening and the opening, and one of the convex partitioning materials 42 is As it is, as it is, it overlaps with the distal end of the cable 1 and the cable rack 8, so that it is cut into the shape of the distal end of the cable 1 and the cable rack 8 in advance so as not to overlap, and is similarly positioned on the fixture 3, and , Along the inside of the case black 8 and between the openings.

上記耐火仕切材４としては、ロックウールを２００ｋｇ/ｍ３の圧力で圧縮した厚みが５０ｍｍの板に、水酸化アルミニウム、三酸化アンチモン、アクリルポリマー等の延焼防止剤を約１ｍｍ厚に塗布したした素材を用いたが、本発明に使用できる耐火仕切材４は、延焼防止効果を有し簡単に切断できる素材であれば全て応用できるものである。 As the refractory partition member 4, a fire retardant such as aluminum hydroxide, antimony trioxide, or an acrylic polymer was applied to a thickness of about 1 mm on a 50 mm-thick plate obtained by compressing rock wool at a pressure of 200 kg / m 3 . Although a raw material is used, any refractory partitioning material 4 that can be used in the present invention can be applied as long as it has a fire spread preventing effect and can be cut easily.

第二工程で充填した耐火仕切材４表面を平らにした後に、８ｍｍ径を有する丸鋼からなる複数の固着材１４と、その丸鋼内に挿通可能な取付け金具１５を耐火仕切材４に載置し、固定具３の端部とをピアスビス６で固定した（第三工程）が、上記固着具６の押さえにより耐火仕切板４は、前記丸棒製固定具３との間に固定され開口部からの落剥は生じない。   After flattening the surface of the refractory partition material 4 filled in the second step, a plurality of fixing members 14 made of round steel having a diameter of 8 mm and mounting brackets 15 that can be inserted into the round steel are mounted on the refractory partition material 4. Then, the end of the fixture 3 was fixed with a piercing screw 6 (third step). However, by holding down the fixture 6, the refractory partition plate 4 was fixed between the round bar fixture 3 and the opening. No peeling from the part occurs.

最後に、前記耐火仕切材４とケーブル１、或いはケーブルラック８との間に隙間が生ずるために、耐熱シール材７を充填して、階下からの延焼を防止するようにしている（第四工程）。   Finally, since a gap is formed between the refractory partition member 4 and the cable 1 or the cable rack 8, a heat-resistant seal member 7 is filled to prevent the spread of fire from downstairs (fourth step). ).

図８及び図９に示すように実施例１及び実施例３の応用構造体であるが、開口部９に嵌合する貫通枠２を用いないで図５に示されるように折り曲げ部を有する丸棒からなる係止部材１０と、該係止部材１０の外形より大きく、内部が中空形状である支持部１１とを開口部の大きさに併せて切断して嵌合した固定具３を、前記ケーブル１を直行するように囲んだケーブルラック８の幅方向に並列に設置する（第一工程）。   As shown in FIGS. 8 and 9, this is an applied structure of the first and third embodiments, but does not use the penetrating frame 2 fitted into the opening 9, and has a bent portion as shown in FIG. 5. The fixing member 3 in which a locking member 10 made of a rod and a support portion 11 larger than the outer shape of the locking member 10 and having a hollow inside are cut and fitted according to the size of the opening, The cables 1 are installed in parallel in the width direction of a cable rack 8 that surrounds the cables 1 (first step).

次いで、前記開口部９の大きさに合わせて切断した耐火仕切材４を、前記固定具３の上に掛かるようにしながら開口部９全体に押し込み充填する（第二工程）し、さらに、耐火仕切材４表面を平らにした後に、８ｍｍ径を有する丸鋼からなる複数の固着材１４と、その丸鋼内に挿通可能な端子状の取付け金具１５を耐火仕切材４に載置し、取付け金具１５の中央孔（図示せず）をピアスビス６で固定した（第三工程）した以外は、実施例３と同様に実施した。   Next, the refractory partition material 4 cut in accordance with the size of the opening 9 is pushed and filled into the entire opening 9 while hanging on the fixture 3 (second step). After flattening the surface of the material 4, a plurality of fixing members 14 made of round steel having a diameter of 8 mm and terminal-like mounting brackets 15 that can be inserted into the round steel are placed on the refractory partition 4, and the mounting brackets are mounted. Example 3 was carried out in the same manner as in Example 3, except that the center hole (not shown) of No. 15 was fixed with the piercing screw 6 (third step).

図１０及び図１１に示すように実施例１の応用構造体であるが、開口部９に嵌合する貫通枠２と図５に示される固定具３とを用いずに、直接、耐火仕切材４を開口部９の大きさより広く裁断して、前記ケーブル１を直行するように囲んだケーブルラック８の幅方向に並列に設置する（第一工程）。   As shown in FIGS. 10 and 11, this is an applied structure of the first embodiment, but directly without using the penetration frame 2 fitted into the opening 9 and the fixture 3 shown in FIG. 5. 4 is cut out wider than the size of the opening 9, and the cables 1 are arranged in parallel in the width direction of a cable rack 8 that surrounds the cable 1 so as to go straight (first step).

次いで、耐火仕切材４の上に折り曲げ部を有する丸棒からなる固着具１４と、該固着具の内径にとほぼ同径の幅を有する端子状の取付け金具１５を重ねて耐火仕切材４をこていして、端子状取付け金具１５の中心孔（図示せず）をピアスビス６で固定した（第二工程）。   Next, a fixing tool 14 made of a round bar having a bent portion on the refractory partitioning material 4 and a terminal-like mounting fitting 15 having a width substantially equal to the inner diameter of the fixing tool are overlapped to form the refractory partitioning material 4. Then, the center hole (not shown) of the terminal-like mounting bracket 15 was fixed with the piercing screw 6 (second step).

最後に、前記耐火仕切材４とケーブル１、或いはケーブルラック８との間に隙間が生ずるために、耐熱シール材７を充填して、階下からの延焼を防止するようにした（第三工程）以外は、実施例４と同様に実施した。   Finally, since a gap is formed between the refractory partitioning member 4 and the cable 1 or the cable rack 8, a heat-resistant sealing member 7 is filled to prevent fire from spreading downstairs (third step). Except for the above, the same procedure was performed as in Example 4.

図１２〜図１３は、壁面と同一面とするケーブル貫通部における実施例２とは別な形態の防火構造を示す断面図と平面図である。   FIGS. 12 and 13 are a cross-sectional view and a plan view showing a fire prevention structure in a form different from that of the second embodiment in a cable penetrating portion which is flush with a wall surface.

複数のケーブル１が貫通している壁スラブ１３に設けられた開口部９に、該開口部９の端部から折り曲げ部を有する係止部材と係止部材の大きさに合わせて所定の長さに調整される支持部材１１とからなる固定具３を、前記ケーブル１を直行するように囲んだケーブルラック８の横幅方向に並列に設置する（第一工程）。   An opening 9 provided in a wall slab 13 through which a plurality of cables 1 pass is provided with a locking member having a bent portion from an end of the opening 9 and a predetermined length according to the size of the locking member. Is fixed in parallel in the width direction of the cable rack 8 surrounding the cable 1 so as to be perpendicular to the cable 1 (first step).

次いで、前記開口部９の大きさに合わせて切断した耐火仕切材４を、前記固定具３の上に掛かるようにしながら開口部９全体に押し込み充填する（第二工程）が、この場合、この場合、先ず耐火仕切材４を開口部の縦・横の長さに合わせて切断した後に、先に設置したケーブルラック８を囲むように凹凸形状に切断した。   Then, the refractory partition material 4 cut in accordance with the size of the opening 9 is pushed and filled into the entire opening 9 while hanging on the fixture 3 (second step). In this case, first, the refractory partition member 4 was cut in accordance with the vertical and horizontal lengths of the opening, and then cut into an uneven shape so as to surround the cable rack 8 previously installed.

凹凸形状に切断された凹状仕切材４１を、縦方向で固定具３の上に位置し、且つ、ケーブラック８の外側に沿って開口部との間に押し込め、一方の凸状仕切材４２の方も縦方向で押し込めた場合に、ケーブル１及びケーブルラック８の先端部と重なり合うために、重なり合わないように予めケーブル１及びケーブルラック８の先端部の形状に切断した後に、同様に固定具３の上に位置し、且つ、ケーブラック８の内側にに沿って開口部との間に押し込めた。   The concave partition material 41 cut into an uneven shape is positioned vertically on the fixture 3, and is pushed along the outside of the mobile phone 8 between the opening portion and the convex partition material 42. When the cable is pushed in the vertical direction, the cable 1 and the cable rack 8 are overlapped with the tip of the cable 1 and the cable rack 8. 3 and was pushed along the inside of the K black 8 between the opening.

上記耐火仕切材４としては、上記同様にロックウールを２００ｋｇ/ｍ３の圧力で圧縮した厚みが５０ｍｍの板に、水酸化アルミニウム、三酸化アンチモン、アクリルポリマー等の延焼防止剤を約１ｍｍ厚に塗布したした素材を用いた。 As the refractory partitioning material 4, in the same manner as above, rock wool was compressed at a pressure of 200 kg / m 3 , and a 50 mm-thick plate was coated with a fire retardant such as aluminum hydroxide, antimony trioxide, or an acrylic polymer to a thickness of about 1 mm. The applied material was used.

第二工程で充填した耐火仕切材４表面を平らにした後に、複数の８ｍｍ内径を有する丸鋼からなる固着材１４と該内径に端部が挿通する端子状の取付け金具１５を載置し、さらに前記取付け金具１５の中央孔（図示せず）をピアスビス６で固定した（第三工程）が、上記固着具６の押さえにより耐火仕切板４は、前記丸棒製固定具３との間に固定されるようになる。   After flattening the surface of the refractory partition material 4 filled in the second step, a plurality of fixing members 14 made of round steel having an inner diameter of 8 mm and a terminal-shaped mounting bracket 15 whose end is inserted through the inner diameter are placed. Further, the center hole (not shown) of the mounting bracket 15 was fixed with a piercing screw 6 (third step). However, the refractory partition plate 4 was held between the round bar fixing tool 3 by the holding of the fixing tool 6. Become fixed.

最後に、前記耐火仕切材４とケーブル１、或いはケーブルラック８との間に隙間が生ずるために、耐熱シール材７を充填して、横室等からの延焼を防止するようにした（第四工程）他は、実施例２と同様に実施した。   Finally, since a gap is formed between the refractory partition member 4 and the cable 1 or the cable rack 8, a heat-resistant seal member 7 is filled to prevent the spread of fire from the side chamber or the like (fourth embodiment). Other steps were performed in the same manner as in Example 2.

図１４及び図１５は、壁面と同一面とするケーブル貫通部における実施例２、実施例６とは別な形態の防火構造を示す断面図と平面図である。   FIGS. 14 and 15 are a cross-sectional view and a plan view showing a fire prevention structure having a form different from those of the second and sixth embodiments in a cable penetration portion which is flush with a wall surface.

本実施例においては、複数のケーブル１が貫通している壁材に設けられた開口部９の大きさ以上に合わせて切断した耐火仕切材４を、前記開口部９及びケーブル１を覆うように位置止めする（第一工程）。   In the present embodiment, the refractory partition member 4 cut in accordance with the size of the opening 9 provided in the wall material through which the plurality of cables 1 penetrate is cut so as to cover the opening 9 and the cable 1. Stop the position (first step).

第一工程で充填した耐火仕切材４表面を平らにした後に、複数の８ｍｍ内径を有する丸鋼からなる固着材１４と該内径に端部が挿通する端子状の取付け金具１５を載置し、さらに前記取付け金具１５の中央孔（図示せず）をピアスビス６で固定した（第二工程）が、上記固着材１４の押さえにより耐火仕切板４の一部裏面は両端が壁スラブ１３に載置し、表面から側面を前記丸棒製固着材１４の間に固定されるようになる。   After flattening the surface of the refractory partition material 4 filled in the first step, a plurality of fixing members 14 made of round steel having an inner diameter of 8 mm and a terminal-shaped mounting bracket 15 whose end is inserted through the inner diameter are placed. Further, the center hole (not shown) of the mounting bracket 15 was fixed with a piercing screw 6 (second step), but both ends of a part of the back surface of the refractory partition plate 4 were placed on the wall slab 13 by pressing the fixing material 14. Then, the side from the surface is fixed between the round bar fixing members 14.

最後に、前記耐火仕切材４とケーブル１、或いはケーブルラック８との間に隙間が生ずるために、耐熱シール材７を充填して、横室等からの延焼を防止するようにした（第三工程）他は、実施例６と同様に実施した。   Finally, since a gap is formed between the refractory partition member 4 and the cable 1 or the cable rack 8, a heat-resistant seal member 7 is filled to prevent the spread of fire from the side chamber or the like (third). Other steps were performed in the same manner as in Example 6.

図１６及び図１７は、実施例６の応用構造を示す実施例であり、壁スラブ１３材の代わりに壁素材としてＡＬＣ板を用いた他は、実施例６に示す手段で実施した。   FIG. 16 and FIG. 17 are examples showing an applied structure of Example 6, and were carried out by the means shown in Example 6 except that an ALC plate was used as a wall material instead of the wall slab 13 material.

図１８及び図１９は、実施例６の応用構造を示す実施例であり、壁スラブ１３材の代わりに壁素材として石膏ボード板を用いた他は、実施例６に示す手段で実施した。   FIGS. 18 and 19 are examples showing an applied structure of Example 6, and were carried out by means shown in Example 6 except that a gypsum board plate was used as a wall material instead of the wall slab 13 material.

図２０及び図２１は、実施例６の応用構造を示す実施例であり、壁スラブ１３材の代わりに壁素材として石膏ボード板を用いた他は、実施例７に示す手段で実施した。   FIG. 20 and FIG. 21 are examples showing an applied structure of Example 6, and were carried out by means shown in Example 7 except that a gypsum board plate was used as a wall material instead of the wall slab 13 material.

図２２及び図２３は、実施例６の応用構造を示す実施例であり、壁スラブ１３材の代わりに壁素材として石膏ボード板１７を２枚に重ねた壁材を用いるものである。   22 and 23 show an application structure of the sixth embodiment, in which a wall material in which two gypsum board plates 17 are stacked as a wall material is used instead of the wall slab 13 material.

複数のケーブル１が貫通している石膏ボード板１７に設けられた開口部９に、該開口部９の端部から折り曲げ部を有する係止部材と係止部材の大きさに合わせて所定の長さに調整される支持部材１１とからなる左右の固定具３を、前記ケーブル１を直行するように囲んだケーブルラック８の横幅方向に並列に設置する（第一工程）。   An opening 9 provided in a gypsum board 17 through which a plurality of cables 1 penetrate, a locking member having a bent portion from an end of the opening 9 and a predetermined length according to the size of the locking member. The right and left fixtures 3 including the support member 11 adjusted to the height are installed in parallel in the width direction of the cable rack 8 surrounding the cable 1 so as to be orthogonal (first step).

次いで、前記開口部９の大きさに合わせて切断した耐火仕切材４を、前記左右の固定具３の上に掛かるようにしながら開口部９全体に押し込み充填する（第二工程）が、この場合、この場合、先ず耐火仕切材４を開口部の縦・横の長さに合わせて切断した後に、先に設置したケーブルラック８を囲むように凹凸形状に切断した。   Next, the refractory partition material 4 cut in accordance with the size of the opening 9 is pushed and filled into the entire opening 9 while hanging on the left and right fixing tools 3 (second step). In this case, first, the refractory partition material 4 was cut in accordance with the vertical and horizontal lengths of the opening, and then cut into an uneven shape so as to surround the cable rack 8 previously installed.

凹凸形状に切断された凹状仕切材４１を、縦方向で固定具３の上に位置し、且つ、ケーブルラック８の外側に沿って開口部との間に押し込め、一方の凸状仕切材４２の方も縦方向で押し込めた場合に、ケーブル１及びケーブルラック８の先端部と重なり合うために、重なり合わないように予めケーブル１及びケーブルラック８の先端部の形状に切断した後に、同様に固定具３の上に位置し、且つ、ケーブラック８の内側にに沿って開口部との間に押し込めた。   The concave partitioning material 41 cut into an uneven shape is positioned vertically on the fixture 3, and is pushed along the outside of the cable rack 8 between the opening and the opening of the convex partitioning material 42. When the cable is pushed in the vertical direction, the cable 1 and the cable rack 8 are overlapped with the tip of the cable 1 and the cable rack 8. 3 and was pushed along the inside of the K black 8 between the opening.

第二工程で充填した耐火仕切材４表面を平らにした後に、複数の８ｍｍ内径を有する丸鋼からなる左右の固着材１４と該内径に端部が挿通する端子状の取付け金具１５を載置し、さらに前記取付け金具１５の中央孔（図示せず）をピアスビス６で固定した（第三工程）が、上記固着具６の押さえにより耐火仕切板４は、前記左右の丸棒製固定具３との間に固定されるようになる。   After flattening the surface of the refractory partition material 4 filled in the second step, a plurality of left and right fixing members 14 made of round steel having an inner diameter of 8 mm and a terminal-shaped mounting bracket 15 whose end is inserted through the inner diameter are placed. Further, the center hole (not shown) of the mounting bracket 15 was fixed by a piercing screw 6 (third step). However, by holding down the fixing tool 6, the refractory partition plate 4 was fixed to the left and right round bar fixing tools 3. Will be fixed between.

最後に、前記耐火仕切材４とケーブル１、或いはケーブルラック８との間に隙間が生ずるために、耐熱シール材７を充填して、横室等からの延焼を防止するようにした（第四工程）他は、実施例７と同様に実施した。   Finally, since a gap is formed between the refractory partition member 4 and the cable 1 or the cable rack 8, a heat-resistant seal member 7 is filled to prevent the spread of fire from the side chamber or the like (fourth embodiment). Other steps were performed in the same manner as in Example 7.

図２４及び図２５は、実施例７の応用構造を示す実施例であり、壁スラブ１３材の代わりに壁素材として石膏ボード板１７のうち１枚を壁材を用いるものであり、その他の工程は、実施例１１と同様に実施した。   FIGS. 24 and 25 show an application structure of the seventh embodiment, in which one of the gypsum board plates 17 is used as a wall material instead of the wall slab 13 material. Was carried out in the same manner as in Example 11.

本発明における水止め機能を兼ねた床防火構造を示す断面図である。It is sectional drawing which shows the floor fire prevention structure which also served as the water stop function in this invention. 図１における平面図である。It is a top view in FIG. 本発明における壁防火構造を示す断面図である。It is sectional drawing which shows the wall fire protection structure in this invention. 図２における平面図である。It is a top view in FIG. 本発明で使用する固定具の斜視図である。It is a perspective view of the fixture used by this invention. 床防火構造における他の構造を示す断面図である。It is sectional drawing which shows other structures in a floor fire protection structure. 図６における平面図である。It is a top view in FIG. 床防火構造における他の構造を示す断面図である。It is sectional drawing which shows other structures in a floor fire protection structure. 図８における平面図である。It is a top view in FIG. 床防火構造における他の構造を示す断面図である。It is sectional drawing which shows other structures in a floor fire protection structure. 図１０における平面図である。It is a top view in FIG. 壁防火構造おける他の構造を示す断面図である。It is sectional drawing which shows other structures in a wall fire protection structure. 図１２における平面図である。It is a top view in FIG. 壁防火構造おける他の構造を示す断面図である。It is sectional drawing which shows other structures in a wall fire protection structure. 図１４における平面図である。It is a top view in FIG. 壁防火構造おける他の構造を示す断面図である。It is sectional drawing which shows other structures in a wall fire protection structure. 図１６における平面図である。FIG. 17 is a plan view in FIG. 16. 壁防火構造おける他の構造を示す断面図である。It is sectional drawing which shows other structures in a wall fire protection structure. 図１８における平面図である。It is a top view in FIG. 壁防火構造おける他の構造を示す断面図である。It is sectional drawing which shows other structures in a wall fire protection structure. 図２０における平面図である。FIG. 21 is a plan view in FIG. 20. 壁防火構造おける他の構造を示す断面図である。It is sectional drawing which shows other structures in a wall fire protection structure. 図２２における平面図である。FIG. 23 is a plan view in FIG. 22. 壁防火構造おける他の構造を示す断面図である。It is sectional drawing which shows other structures in a wall fire protection structure. 図２２における平面図である。FIG. 23 is a plan view in FIG. 22.

符号の説明Explanation of reference numerals

１・・・ケーブル
２・・・貫通枠
３・・・固定具
４・・・耐火仕切板
５・・・固着材
６・・・ビス
７・・・耐熱シール材
８・・・ケーブルラック
９・・・開口部
１０・・係止部材
１１・・支持部材
１２・・床スラブ
１３・・壁スラブ
１４・・丸鋼製固定具
１５・・取付け金具
１６・・ＡＬＣ板
１７・・石膏ボード
１８・・開口補強材 DESCRIPTION OF SYMBOLS 1 ... Cable 2 ... Penetration frame 3 ... Fixture 4 ... Fireproof partition plate 5 ... Fixing material 6 ... Screw 7 ... Heat-resistant sealing material 8 ... Cable rack 9 ··· Opening 10 ··· Locking member 11 ··· Supporting member 12 ··· Floor slab 13 ··· Wall slab 14 ··· Round steel fixture 15 ··· Mounting bracket 16 ··· ALC plate 17 ··· Gypsum board 18・ Opening reinforcement

Claims (10)

構造物の床壁の貫通孔内に貫通する複数のケーブルをケーブルラックで囲みながら収容した状態で、上記貫通孔の開口部とケーブルラックとの間を耐火材で遮蔽するケーブル貫通部の防火構造工法において、
複数のケーブル１が貫通している床スラブ１２に設けられた開口部９に、床平面より高い位置に貫通枠２の上部が位置するように設定する第一工程と、
該貫通枠２の端部から折り曲げ部を有する係止部材１０と係止部材１０の大きさに合わせて所定の長さに調整される支持部材１１とからなる固定具３を、前記ケーブル１を直行するように囲んだケーブルラック８の幅方向に並列に設置する第二工程と、
前記開口部９の大きさに合わせて切断した耐火仕切材４を、開口部９全体に充填する第三工程と、
第三工程で充填した耐火仕切材４の端部に、複数の固着具５をビス６固定する第四工程と、
前記耐火仕切材４とケーブル１との隙間に、耐熱シール材７を充填する第五工程と、からなることを特徴とする建物ケーブル貫通部の防火構造工法。 A fire prevention structure for a cable penetration portion that shields a gap between the opening of the through hole and the cable rack with a refractory material in a state where a plurality of cables penetrating into the through hole of the floor wall of the structure are housed while being surrounded by a cable rack. In the construction method,
A first step of setting an opening 9 provided in a floor slab 12 through which a plurality of cables 1 penetrate so that an upper portion of the through frame 2 is positioned higher than a floor plane;
The cable 1 is fixed to a fixture 3 including a locking member 10 having a bent portion from an end of the through frame 2 and a supporting member 11 adjusted to a predetermined length in accordance with the size of the locking member 10. A second step of installing in parallel in the width direction of the cable rack 8 surrounded so as to go straight,
A third step of filling the entire opening 9 with the refractory partition material 4 cut in accordance with the size of the opening 9;
A fourth step of fixing a plurality of fixing tools 5 to screws 6 at an end of the refractory partition material 4 filled in the third step;
A fifth step of filling a gap between the refractory partition member 4 and the cable 1 with a heat-resistant sealing material 7. 前記固定具３は、折り曲げ部を有する係止部材１０として丸鋼棒からなり、該係止部材１０に嵌合して長さ調整可能な支持部材１１として前記丸鋼棒の直径より大きい内径を有する中空管或いは平空管であることを特徴とする請求項１記載の建物ケーブル貫通部の防火構造工法。 The fixing device 3 is formed of a round steel bar as a locking member 10 having a bent portion, and has an inner diameter larger than the diameter of the round steel bar as a supporting member 11 which is fitted to the locking member 10 and whose length can be adjusted. The method of claim 1, wherein the pipe is a hollow pipe or a hollow pipe. 構造物の床壁の貫通孔内に貫通する複数のケーブルをケーブルラックで囲みながら収容した状態で、上記貫通孔の開口部とケーブルラックとの間を耐火材で遮蔽するケーブル貫通部の防火構造工法において、
複数のケーブル１が貫通している床スラブ１２に設けられた開口部９に、該開口部９の端部から折り曲げ部を有する係止部材１０と係止部材１０の大きさに合わせて所定の長さに調整される支持部材１１とからなる固定具３を、前記ケーブル１を直行するように囲んだケーブルラック８の幅方向に並列に設置する第一工程と、
前記開口部９の大きさに合わせて切断した耐火仕切材４を、前記固定具３の上部に充填する第二工程と、
第二工程で充填した耐火仕切材４の上部に複数の固着材１４を載置し、該固着部１４端部の取付け金具をビス６固定する第三工程と、
前記耐火仕切材４とケーブル１との隙間に、耐熱シール材７を充填する第四工程と、からなることを特徴とする建物ケーブル貫通部の防火構造工法。 A fire prevention structure for a cable penetration portion that shields a gap between the opening of the through hole and the cable rack with a refractory material in a state where a plurality of cables penetrating into the through hole of the floor wall of the structure are housed while being surrounded by a cable rack. In the construction method,
An opening 9 provided in a floor slab 12 through which a plurality of cables 1 pass is provided with a locking member 10 having a bent portion from an end of the opening 9 and a predetermined size according to the size of the locking member 10. A first step of arranging the fixture 3 including the support member 11 adjusted to the length in parallel in the width direction of the cable rack 8 surrounding the cable 1 so as to be orthogonal thereto;
A second step of filling the upper part of the fixture 3 with the refractory partition material 4 cut according to the size of the opening 9;
A third step of placing a plurality of fixing members 14 on the upper part of the refractory partition member 4 filled in the second step, and fixing a mounting bracket at an end of the fixing portion 14 with a screw 6;
A fourth step of filling a gap between the refractory partition member 4 and the cable 1 with a heat-resistant sealing material 7. 構造物の床壁の貫通孔内に貫通する複数のケーブルをケーブルラックで囲みながら収容した状態で、上記貫通孔の開口部とケーブルラックとの間を耐火材で遮蔽するケーブル貫通部の防火構造工法において、
複数のケーブル１が貫通している床スラブ１２に設けられた開口部９の大きさ以上に合わせて切断した耐火仕切材４を、前記開口部９の上に載置する第一工程と、
前記耐火仕切材４の上部に複数の固着材１４を載置し、該固着部１４端部の取付け金具１５をビス６固定する第二工程と、
前記耐火仕切材４とケーブル１との隙間に、耐熱シール材７を充填する第三工程と、からなることを特徴とする建物ケーブル貫通部の防火構造工法。 A fire prevention structure for a cable penetration portion that shields a gap between the opening of the through hole and the cable rack with a refractory material in a state where a plurality of cables penetrating into the through hole of the floor wall of the structure are housed while being surrounded by a cable rack. In the construction method,
A first step of placing the refractory partition material 4 cut in accordance with the size of the opening 9 provided in the floor slab 12 through which the plurality of cables 1 pass through, on the opening 9;
A second step of placing a plurality of fixing members 14 on the upper part of the refractory partition member 4 and fixing screws 6 at ends of the fixing portions 14 with screws 6;
A third step of filling a gap between the refractory partition member 4 and the cable 1 with a heat-resistant sealing material 7. 前記固着部１４は丸棒製であり、両端部に端子状の取付け金具１５が挿通され、端子中央部の孔部をビス固定することを特徴とする請求項２又は請求項３記載の建物ケーブル貫通部の防火構造工法。 The building cable according to claim 2 or 3, wherein the fixing portion (14) is made of a round bar, terminal-shaped mounting brackets (15) are inserted into both ends, and a hole in the center of the terminal is fixed with screws. Fire prevention construction method for penetrations. 構造物の壁又は床壁の貫通孔内に貫通する複数のケーブルをケーブルラックで囲みながら収容した状態で、上記貫通孔の開口部とケーブルラックとの間を耐火材で遮蔽するケーブル貫通部の防火構造工法において、
複数のケーブル１が貫通している壁に設けられた開口部９に、該開口部９の端部から折り曲げ部を有する係止部材１０と該係止部材１０の大きさに合わせて所定の長さに調整される支持部材１１とからなる固定具３を、前記ケーブル１を直行するように囲んだケーブルラック８の幅方向に並列に設置する第一工程と、
前記開口部９の大きさに合わせて切断した耐火仕切材４を、開口部９全体に充填する第二工程と、
第二工程で充填した耐火仕切材４の端部に、複数の固着材でビス６固定する第三工程と、
前記耐火仕切材４とケーブル１との隙間に、耐熱シール材７を充填する第四工程と、からなることを特徴とする建物ケーブル貫通部の防火構造工法。 In a state in which a plurality of cables penetrating into the through holes of the wall or floor wall of the structure are housed while being surrounded by the cable rack, a cable penetration portion for shielding between the opening of the through hole and the cable rack with a refractory material. In the fire protection construction method,
An opening 9 provided in a wall through which the plurality of cables 1 pass is provided with a locking member 10 having a bent portion from an end of the opening 9 and a predetermined length according to the size of the locking member 10. A first step of arranging the fixture 3 including the support member 11 to be adjusted in parallel in the width direction of the cable rack 8 surrounding the cable 1 so as to be orthogonal thereto;
A second step of filling the entire opening 9 with the refractory partition material 4 cut in accordance with the size of the opening 9;
A third step of fixing a screw 6 to the end of the refractory partition material 4 filled in the second step with a plurality of fixing materials;
A fourth step of filling a gap between the refractory partition member 4 and the cable 1 with a heat-resistant sealing material 7. 構造物の壁又は床壁の貫通孔内に貫通する複数のケーブルをケーブルラックで囲みながら収容した状態で、上記貫通孔の開口部とケーブルラックとの間を耐火材で遮蔽するケーブル貫通部の防火構造工法において、
複数のケーブル１が貫通している壁材に設けられた開口部９の大きさ以上に合わせて切断した耐火仕切材４を、前記開口部９を覆うように位置止めする第一工程と、
前記耐火仕切材の上部に複数の固着材１４を当て、該固着材１４端部の取付け金具１５でビス６固定する第二工程と、
前記耐火仕切材４とケーブル１との隙間に、耐熱シール材７を充填する第三工程と、からなることを特徴とする建物ケーブル貫通部の防火構造工法。 In a state in which a plurality of cables penetrating into the through holes of the wall or floor wall of the structure are housed while being surrounded by the cable rack, a cable penetration portion for shielding between the opening of the through hole and the cable rack with a refractory material. In the fire protection construction method,
A first step of positioning the refractory partition material 4 cut to fit the size of the opening 9 provided in the wall material through which the plurality of cables 1 pass to cover the opening 9;
A second step of applying a plurality of fixing members 14 on the upper part of the refractory partition member and fixing the screws 6 with mounting brackets 15 at the ends of the fixing members 14;
A third step of filling a gap between the refractory partition member 4 and the cable 1 with a heat-resistant sealing material 7. 前記開口部は、壁材であるスラブ材、ＡＬＣ板、石膏ボード板からなる素材で形成されていることを特徴とする請求項６又は請求項７記載の建物ケーブル貫通部の防火構造工法。 The method according to claim 6 or 7, wherein the opening is formed of a material consisting of a slab material, an ALC plate, and a gypsum board plate, which are wall materials. 構造物の床壁の貫通孔内に貫通する複数のケーブルをケーブルラックで囲みながら収容した状態で、上記貫通孔の開口部とケーブルラックとの間を耐火材で遮蔽するケーブル貫通部の防火構造において、
複数のケーブル１が貫通している床スラブ１２に設けられた開口部９に、必要において設けられる貫通枠２と、
該貫通枠２、又は開口部壁面の両端部を連結する、折り曲げ部を有する係止部材１０と該係止部材１０の大きさに合わせて所定の長さに調整される支持部材１１とからなる固定具３と、
前記ケーブルの位置を調整するケーブルラック８と、
前記開口部９の大きさに合わせて充填する耐火仕切材４と、
耐火仕切材４を固定する複数の固着材と、
前記耐火仕切材４とケーブル１との隙間を充填する耐熱シール材７とから構成されることを特徴とする建物ケーブル貫通部の防火構造。 A fire prevention structure for a cable penetration portion that shields a gap between the opening of the through hole and the cable rack with a refractory material in a state where a plurality of cables penetrating into the through hole of the floor wall of the structure are housed while being surrounded by a cable rack. At
A through frame 2 provided as necessary in an opening 9 provided in a floor slab 12 through which a plurality of cables 1 pass;
It comprises a locking member 10 having a bent portion for connecting both ends of the through frame 2 or the opening wall, and a supporting member 11 adjusted to a predetermined length according to the size of the locking member 10. Fixture 3,
A cable rack 8 for adjusting the position of the cable;
A refractory partitioning material 4 to be filled according to the size of the opening 9;
A plurality of fixing materials for fixing the refractory partition material 4,
A fire prevention structure for a building cable penetration portion, comprising a heat-resistant sealing material 7 for filling a gap between the fire-resistant partition member 4 and the cable 1. 構造物の床壁の貫通孔内に貫通する複数のケーブルをケーブルラックで囲みながら収容した状態で、上記貫通孔の開口部とケーブルラックとの間を耐火材で遮蔽するケーブル貫通部の防火構造において、
複数のケーブル１が貫通している壁材に設けられた開口部９に、必要において設けられる貫通枠２と、
該貫通枠２、又は開口部壁面の両端部を連結する、折り曲げ部を有する係止部材１０と該係止部材１０の大きさに合わせて所定の長さに調整される支持部材１１とからなる固定具３と、
前記ケーブルの位置を調整するケーブルラック８と、
前記開口部９の大きさに合わせて充填する耐火仕切材４と、
耐火仕切材４を固定する複数の固着材と、
前記耐火仕切材４とケーブル１との隙間を充填する耐熱シール材７とから構成されることを特徴とする建物ケーブル貫通部の防火構造。 A fire prevention structure for a cable penetration portion that shields a gap between the opening of the through hole and the cable rack with a refractory material in a state where a plurality of cables penetrating into the through hole of the floor wall of the structure are housed while being surrounded by a cable rack. At
An opening 9 provided in a wall material through which the plurality of cables 1 pass, a penetration frame 2 provided as necessary,
It comprises a locking member 10 having a bent portion for connecting both ends of the through frame 2 or the opening wall, and a supporting member 11 adjusted to a predetermined length according to the size of the locking member 10. Fixture 3,
A cable rack 8 for adjusting the position of the cable;
A refractory partitioning material 4 to be filled according to the size of the opening 9;
A plurality of fixing materials for fixing the refractory partition material 4,
A fire prevention structure for a building cable penetration portion, comprising a heat-resistant sealing material 7 for filling a gap between the fire-resistant partition member 4 and the cable 1.
JP2003353336A 2003-02-10 2003-10-14 Fire-protecting-structure construction method for cable-passing portion in building and fire protecting structure of cable-passing portion in building Pending JP2004266990A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003353336A JP2004266990A (en) 2003-02-10 2003-10-14 Fire-protecting-structure construction method for cable-passing portion in building and fire protecting structure of cable-passing portion in building

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003032218 2003-02-10
JP2003353336A JP2004266990A (en) 2003-02-10 2003-10-14 Fire-protecting-structure construction method for cable-passing portion in building and fire protecting structure of cable-passing portion in building

Publications (1)

Publication Number Publication Date
JP2004266990A true JP2004266990A (en) 2004-09-24

Family

ID=33133814

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003353336A Pending JP2004266990A (en) 2003-02-10 2003-10-14 Fire-protecting-structure construction method for cable-passing portion in building and fire protecting structure of cable-passing portion in building

Country Status (1)

Country Link
JP (1) JP2004266990A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006138144A (en) * 2004-11-12 2006-06-01 Sekisui Chem Co Ltd Fire compartment penetrating structure for bus ducts
JP2009540156A (en) * 2006-06-09 2009-11-19 フェルボ カンパニー リミテッド Filler for fireproof compartment treatment of fireproof filling structure and method for producing the same
CN109537772A (en) * 2018-12-06 2019-03-29 安徽省人防建筑设计研究院 A kind of civil air defense constructions and installations fireproof plugging structure
CN109653968A (en) * 2017-10-11 2019-04-19 中车兰州机车有限公司玉门风电分公司 A kind of wind-power tower platform cable aperture fire-proof timing
CN113363900A (en) * 2021-06-08 2021-09-07 衢州学院 Protective support is laid to cable pipe for electric power engineering construction

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006138144A (en) * 2004-11-12 2006-06-01 Sekisui Chem Co Ltd Fire compartment penetrating structure for bus ducts
JP4698207B2 (en) * 2004-11-12 2011-06-08 積水化学工業株式会社 Fire duct compartment penetration structure for bus ducts
JP2009540156A (en) * 2006-06-09 2009-11-19 フェルボ カンパニー リミテッド Filler for fireproof compartment treatment of fireproof filling structure and method for producing the same
CN109653968A (en) * 2017-10-11 2019-04-19 中车兰州机车有限公司玉门风电分公司 A kind of wind-power tower platform cable aperture fire-proof timing
CN109537772A (en) * 2018-12-06 2019-03-29 安徽省人防建筑设计研究院 A kind of civil air defense constructions and installations fireproof plugging structure
CN113363900A (en) * 2021-06-08 2021-09-07 衢州学院 Protective support is laid to cable pipe for electric power engineering construction
CN113363900B (en) * 2021-06-08 2022-07-12 衢州学院 Protective support is laid to cable pipe for electric power engineering construction

Similar Documents

Publication Publication Date Title
US6105334A (en) Fire resistant lighting enclosure
CA1219500A (en) Fireproof covering
WO2006023648A1 (en) Method and apparatus for firestopping a through-penetration
WO2006047865A1 (en) Fire stop frame assembly
JP5462478B2 (en) Outlet box fire prevention structure
JP2004266990A (en) Fire-protecting-structure construction method for cable-passing portion in building and fire protecting structure of cable-passing portion in building
JP2008111320A (en) Enclosure method of beam and enclosure structure
JP2005137194A (en) Construction method for fire protection structure at bus duct penetrating part in building, and the fire protection structure at bus duct penetrating part in building
CA3049618A1 (en) Fire-protection element
WO2000052278A1 (en) Fire protected penetration
KR20150119844A (en) Fire Resistant Structure
JPH0749178Y2 (en) Fireproof structure for the penetration of long bodies such as cables
US5099625A (en) Partition wall for openings in building shells, forming fire proof sections
JP2012081175A (en) Fireproof section treating structure of cable duct
JP2006115625A (en) Construction method for fire protection construction of cable penetrating portion in building, and fire protection construction of cable penetrating portion in building
JPH01138921A (en) Through part fire-protection construction for building refractory slab
JP2963312B2 (en) Fire protection structure for cable penetration
KR20150100233A (en) Multi cable transit and method of construction same
JP2007181256A (en) Bus-duct supporting structure
JP2002271948A (en) Inorganic fiber mat and fire-preventing structure of compartment penetrating portion
JP3062885B1 (en) Cable spread prevention structure in cable laying tunnel
KR102318532B1 (en) System for casing of wall through-hole using selectively inward sealing
KR102378069B1 (en) System for Preventing Spread of Fire at Outer Wall
KR102378071B1 (en) Method of Constructing System for Preventing Spread of Fire at Outer Wall
KR101494657B1 (en) Nonflammability panel and manufacturing process of the same

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20041018

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20060720

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20060919

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20070206