JP5989461B2 - Filling method of refractory treatment material to penetration part and refractory treatment material - Google Patents
Filling method of refractory treatment material to penetration part and refractory treatment material Download PDFInfo
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本発明は、建築物の防火区画体に形成された貫通部と該貫通部内に挿通された配線・配管材との間に充填される貫通部への耐火処理材の充填方法及び耐火処理材に関する。 TECHNICAL FIELD The present invention relates to a method for filling a fireproofing material into a penetrating part filled between a penetrating part formed in a fireproof compartment of a building and a wiring / piping material inserted into the penetrating part, and a fireproofing material. .
従来より、建築物における防火区画体としての防火区画壁に配線・配管材を貫通させるために、防火区画壁を厚み方向に貫通した貫通孔が形成されている。そして、防火区画壁において貫通孔と配線・配管材との間に耐火処理が施されている。この耐火処理は、例えば、防火区画壁を挟んだ一方の壁表側で火災等が発生したとき、貫通孔を経由して他方側に火炎、煙、有毒ガスが流入するのを阻止するために設けられている。すなわち、耐火処理は、火災等の発生時、貫通孔と配線・配管材との間を閉鎖することで、火炎、煙、有毒ガスの火災発生側と反対側への流入を阻止するようになっている。 2. Description of the Related Art Conventionally, in order to allow wiring / piping materials to penetrate through a fire prevention compartment wall as a fire prevention compartment in a building, a through-hole penetrating the fire prevention compartment wall in the thickness direction is formed. A fireproofing treatment is performed between the through hole and the wiring / pipe material on the fireproof partition wall. This fireproofing treatment is provided, for example, to prevent inflow of flame, smoke, or toxic gas to the other side through the through-hole when a fire or the like occurs on the front side of one wall across the fire prevention partition wall. It has been. In other words, the fireproofing process closes the space between the through hole and the wiring / piping material in the event of a fire, etc., thereby preventing the flow of flame, smoke, or toxic gas to the opposite side of the fire. ing.
このような耐火処理として、貫通孔と配線・配管材との間に耐火処理材を充填して施されるものがある。耐火処理材としては、例えば、特許文献１に開示される耐火処理材が挙げられる。この耐火処理材は、クッション性及び不燃性を有するブロック体を、膨張材を混入したゴムに加硫加工を経てなる熱膨張性耐火材で覆って形成されている。 As such a fireproofing treatment, there is a method in which a fireproofing treatment material is filled between the through hole and the wiring / piping material. As a fireproof processing material, the fireproof processing material disclosed by patent document 1 is mentioned, for example. This fireproof material is formed by covering a block body having cushioning properties and nonflammability with a heat-expandable fireproof material obtained by vulcanizing rubber containing an expandable material.
ところが、特許文献１の耐火処理材は、ゴムに加硫工程を経てなる外装部材内にブロック体が収容されてなる。つまり、外装部材がゴム性を有するため、外装部材同士が接触した状態では、互いに滑り難くなっている。これにより、貫通部内に複数の耐火処理材を挿入する場合、外装部材同士が接触することで、貫通部内への耐火処理材の挿入作業に手間がかかる虞があった。 However, the refractory treatment material of Patent Document 1 is configured such that a block body is accommodated in an exterior member that is made of rubber through a vulcanization process. That is, since the exterior member has a rubber property, it is difficult to slip each other when the exterior members are in contact with each other. Thereby, when inserting a some fireproof processing material in a penetration part, there existed a possibility that an exterior member may contact, and work of insertion of a fireproof processing material in a penetration part may take time.
本発明は、前記従来の問題に鑑みてなされたものであって、その目的は、貫通部内への耐火処理材の詰め込み作業を円滑に行うことができる貫通部への耐火処理材の充填方法及び耐火処理材を提供することにある。 The present invention has been made in view of the above-described conventional problems, and the object thereof is a method for filling a penetration portion with a refractory treatment material capable of smoothly filling a refractory treatment material into the penetration portion, and It is to provide a fireproofing material.
上記問題点を解決するために、請求項１に記載の発明は、クッション性及びゴム性を有するとともに、熱によって膨張するブロック状の処理材本体を備えた耐火処理材を多数用意し、建築物の防火区画体を厚み方向に貫通して形成された貫通部と該貫通部内に挿入された配線・配管材との間に大半の耐火処理材を収容して、前記大半の耐火処理材の外面同士を互いに圧接させ、残りの耐火処理材の前記処理材本体外面に潤滑剤を塗布し、前記耐火処理材のうち大半を収容した前記貫通部内に前記残りの耐火処理材を充填することを要旨とする。
In order to solve the above-mentioned problems, the invention described in claim 1 is provided with a large number of fire-resistant treatment materials having a block-like treatment material main body that has cushioning properties and rubber properties and expands by heat. Most of the refractory treatment materials are accommodated between the through-holes formed through the fire-proof compartments in the thickness direction and the wiring / piping materials inserted into the through-holes, and the outer surfaces of the most refractory treatment materials Gathering each other together, applying a lubricant to the outer surface of the treatment material main body of the remaining refractory treatment material, and filling the remaining refractory treatment material in the through-hole containing most of the refractory treatment material And
請求項２に記載の発明は、請求項１の耐火処理材の充填方法において、前記潤滑剤は、耐火性材料で形成されることを要旨とする。
請求項３に記載の発明は、請求項１又は請求項２に記載の耐火処理材の充填方法において、前記潤滑剤は、粉状物であることを要旨とする。
The gist of the second aspect of the present invention is that the lubricant is formed of a refractory material in the refractory treatment material filling method according to the first aspect.
Invention of Claim 3 makes it a summary for the filling method of the fireproof processing material of Claim 1 or Claim 2 that the said lubricant is a powdery thing.
本発明によれば、貫通部内への耐火処理材の詰め込み作業を円滑に行うことができる。 According to the present invention, it is possible to smoothly perform the operation of packing the fireproof material into the through portion.
以下、本発明を具体化した耐火処理材の一実施形態を図１〜図５に従って説明する。
図１に示すように、防火区画体としての防火区画壁Ｗには、配線・配管材３３を防火区画壁Ｗの厚み方向に貫通させるための四角孔状の貫通孔３４（貫通部）が形成されている。
Hereinafter, an embodiment of a fireproof material embodying the present invention will be described with reference to FIGS.
As shown in FIG. 1, a square hole-like through hole 34 (penetrating portion) for allowing the wiring / pipe material 33 to penetrate in the thickness direction of the fire prevention compartment wall W is formed in the fire prevention compartment wall W as the fire prevention compartment. Has been.
次に、防火区画壁Ｗにおける貫通部の耐火構造を形成するため、貫通孔３４に充填される耐火処理材１１について説明する。
図２に示すように、耐火処理材１１は、ブロック状（より詳しくは、直方体状）に形成された処理材本体１１ａを備える。図２及び図４に示すように、処理材本体１１ａは、ブロック状（より詳しくは、直方体状）に形成されたブロック体１２と、四角箱状をなす熱膨張性耐熱材製の外装部材１３（熱膨張性耐火材）とを有する。より詳しくは、耐火処理材１１を構成するブロック体１２の全体が、四角箱状をなす熱膨張性耐熱材製の外装部材１３内に収容されている。そして、ブロック体１２は外装部材１３によって全体が包まれることにより、外装部材１３から脱落不能になっており、ブロック体１２と外装部材１３は分離不能に一体化されている。
Next, in order to form the fireproof structure of the penetration part in the fire prevention partition wall W, the fireproof processing material 11 with which the through-hole 34 is filled is demonstrated.
As shown in FIG. 2, the refractory treatment material 11 includes a treatment material body 11a formed in a block shape (more specifically, a rectangular parallelepiped shape). As shown in FIGS. 2 and 4, the treatment material main body 11 a includes a block body 12 formed in a block shape (more specifically, a rectangular parallelepiped shape), and an exterior member 13 made of a heat-expandable heat-resistant material having a square box shape. (Thermally expandable refractory material). More specifically, the entire block body 12 constituting the fireproof material 11 is accommodated in an exterior member 13 made of a heat-expandable heat-resistant material having a square box shape. The entire block body 12 is covered with the exterior member 13 so that the block body 12 cannot be detached from the exterior member 13, and the block body 12 and the exterior member 13 are integrated so as not to be separated.
まず、ブロック体１２について説明する。
図１に示すように、耐火処理材１１を構成するブロック体１２は、直方体状に形成されている。なお、ブロック体１２は、セラミックウール、ロックウール等の不燃性材料よりなるとともに、ブロック体１２自身はクッション性を有し、所要の弾性を有する。すなわち、ブロック体１２は圧縮変形可能であるとともに、圧縮変形した状態から原形状に復帰可能である。また、ブロック体１２は、火炎によって焼失することがなく、かつ熱によって加熱されても膨張しない。
First, the block body 12 will be described.
As shown in FIG. 1, the block body 12 constituting the fireproof material 11 is formed in a rectangular parallelepiped shape. The block body 12 is made of a nonflammable material such as ceramic wool or rock wool, and the block body 12 itself has a cushioning property and has a required elasticity. That is, the block body 12 can be compressed and deformed, and can be restored to its original shape from the compressed and deformed state. Further, the block body 12 is not burned away by a flame, and does not expand even when heated by heat.
次に、外装部材１３について説明する。
図２及び図４に示すように、外装部材１３は、外装部材１３の内部空間にブロック体１２を収容可能となるよう、ブロック体１２の外形よりも僅かに大きく形成されている。また、外装部材１３は、難燃性の熱膨張性耐熱材よりなり、該熱膨張性耐熱材は、１２０℃以上の熱を受けると体積が加熱前の３倍以上に膨張する膨張材（膨張黒鉛）を混入し、所定形状に成形した（成形工程を経た）ゴム（熱膨張性ゴム）に加硫工程を経てなるものである。なお、加硫工程とは、成形工程を経たゴムに熱を加え、加硫（架橋）反応や接着反応を起こさせ、ゴム弾性を有する製品を得る工程である。そして、加硫工程を経ることで熱膨張性耐熱材を四角箱状の外装部材１３に成形することが可能となるとともに、外装部材１３にゴム性を付与することが可能となる。これにより、処理材本体１１ａは、クッション性及びゴム性を有することになる。
Next, the exterior member 13 will be described.
As shown in FIGS. 2 and 4, the exterior member 13 is formed slightly larger than the outer shape of the block body 12 so that the block body 12 can be accommodated in the internal space of the exterior member 13. The exterior member 13 is made of a flame-retardant heat-expandable heat-resistant material, and the heat-expandable heat-resistant material expands in volume (expanded) when its volume expands to three times or more of that before heating. A rubber (heat-expandable rubber) mixed with graphite and molded into a predetermined shape (through a molding process) is subjected to a vulcanization process. The vulcanization step is a step of applying heat to the rubber that has undergone the molding step to cause a vulcanization (crosslinking) reaction or an adhesion reaction to obtain a product having rubber elasticity. Then, through the vulcanization step, the heat-expandable heat-resistant material can be formed into the square box-shaped exterior member 13 and the exterior member 13 can be provided with rubber properties. Thereby, the processing material main body 11a has cushioning properties and rubber properties.
次に、耐火処理材１１の製造方法について説明する。
まず、図２に示すような四角箱状の外装部材１３を製造する。次に、図２の２点鎖線に示す位置から外装部材１３の短手方向における一側部を切断する。すなわち、外装部材１３を、開口部１３ａを有する袋状部材１３ｂと、該開口部１３ａを閉鎖する蓋部材１３ｃとに分離する。そして、袋状部材１３ｂの開口部１３ａからその内部空間にブロック体１２を収容し、蓋部材１３ｃを袋状部材１３ｂに溶着する。すると、外装部材１３が四角箱状に成形され、ブロック体１２全体が外装部材１３によって包まれるとともに、ブロック体１２と外装部材１３とが一体化される。
Next, a method for manufacturing the fireproof material 11 will be described.
First, a square box-shaped exterior member 13 as shown in FIG. 2 is manufactured. Next, the one side part in the transversal direction of the exterior member 13 is cut | disconnected from the position shown to the dashed-two dotted line of FIG. That is, the exterior member 13 is separated into a bag-like member 13b having an opening 13a and a lid member 13c that closes the opening 13a. And the block body 12 is accommodated in the internal space from the opening part 13a of the bag-shaped member 13b, and the cover member 13c is welded to the bag-shaped member 13b. Then, the exterior member 13 is formed in a square box shape, the entire block body 12 is wrapped by the exterior member 13, and the block body 12 and the exterior member 13 are integrated.
次に、耐火処理材１１に潤滑処理を施す方法について説明する。
図３に示すように、処理材本体１１ａの外面、より詳しくは、外装部材１３の外面には、その他の耐火処理材１１との摩擦を軽減する潤滑部１４が設けられている。潤滑部１４は、耐火性を有する潤滑剤を外装部材１３の外面に塗布することで形成される。なお、潤滑剤は、耐火性を有する粉状物であり、例えば、炭酸カルシウムや炭酸ナトリウムなどが用いられる。なお、潤滑部１４の厚みは、外装部材１３の厚みよりもはるかに薄くなっている。
Next, a method for applying a lubrication treatment to the fireproof material 11 will be described.
As shown in FIG. 3, a lubrication portion 14 that reduces friction with other refractory treatment materials 11 is provided on the outer surface of the treatment material main body 11 a, more specifically, the outer surface of the exterior member 13. The lubrication part 14 is formed by applying a fire-resistant lubricant to the outer surface of the exterior member 13. The lubricant is a powder having fire resistance, and for example, calcium carbonate or sodium carbonate is used. In addition, the thickness of the lubrication part 14 is much thinner than the thickness of the exterior member 13.
次に、耐火処理材１１を用いて防火区画壁Ｗの貫通孔３４に耐火処理を施す方法について説明する。
図５に示すように、貫通孔３４の内部に配線・配管材３３を配置するための配線・配管材支持ラック２０を、防火区画壁Ｗに形成された貫通孔３４に配設する。次に、配線・配管材支持ラック２０に複数の配線・配管材３３を支持させるとともに、防火区画壁Ｗに配線・配管材３３を貫通させる。なお、配線・配管材３３とは、建築物内に配設される配線（制御用ケーブル、同軸ケーブル、光ケーブル等）及び配管材（合成樹脂製可撓電線管、鋼製電線管等）の総称のことである。
Next, a method for applying a fireproofing process to the through hole 34 of the fireproof partition wall W using the fireproofing material 11 will be described.
As shown in FIG. 5, the wiring / pipe material support rack 20 for arranging the wiring / pipe material 33 inside the through hole 34 is disposed in the through hole 34 formed in the fire prevention partition wall W. Next, the wiring / piping material support rack 20 supports the plurality of wiring / piping materials 33, and the wiring / piping material 33 penetrates through the fire prevention partition wall W. The wiring / pipe material 33 is a general term for wiring (control cables, coaxial cables, optical cables, etc.) and piping materials (synthetic resin flexible cable tubes, steel cable tubes, etc.) arranged in the building. That is.
そして、図１に示すように、貫通孔３４の内面と配線・配管材３３の外面との間に多数の耐火処理材１１を充填する。すなわち、貫通孔３４の横方向へのサイズに合わせて耐火処理材１１を複数充填し、貫通孔３４の縦方向へのサイズに合わせて耐火処理材１１を複数充填する。貫通孔３４の縦方向及び横方向に隣接する耐火処理材１１同士は、隙間を無くすために互いが縦方向及び横方向に圧接している。 As shown in FIG. 1, a large number of refractory treatment materials 11 are filled between the inner surface of the through hole 34 and the outer surface of the wiring / pipe material 33. That is, a plurality of refractory treatment materials 11 are filled in accordance with the size of the through holes 34 in the horizontal direction, and a plurality of refractory treatment materials 11 are filled in accordance with the size of the through holes 34 in the vertical direction. The refractory treatment materials 11 adjacent to each other in the vertical direction and the horizontal direction of the through-hole 34 are in pressure contact with each other in the vertical direction and the horizontal direction in order to eliminate a gap.
耐火処理材１１は、ブロック体１２がクッション性を有するため圧縮変形可能であり、外装部材１３もゴム性を有するため弾性変形可能である。そして、耐火処理材１１は圧縮変形可能となっており、その圧縮変形状態で貫通孔３４内に充填されている。このため、貫通孔３４に充填された耐火処理材１１は、圧縮変形状態から原形状への復帰力によって縦方向及び横方向に隣接する耐火処理材１１の外面となる外装部材１３に圧接している。さらに、外装部材１３はゴム性を有するため、圧接した外装部材１３同士が互いに滑り難くなっており、貫通孔３４に充填された耐火処理材１１が位置ずれすることが防止される。そして、配線・配管材３３の外面に対して耐火処理材１１の外装部材１３の外面が圧接している。 The fireproof material 11 can be compressed and deformed because the block body 12 has cushioning properties, and can be elastically deformed because the exterior member 13 also has rubber properties. The fireproof material 11 can be compressed and deformed, and the through hole 34 is filled in the compressed and deformed state. For this reason, the refractory treatment material 11 filled in the through-hole 34 is pressed against the exterior member 13 serving as the outer surface of the refractory treatment material 11 adjacent in the longitudinal direction and the lateral direction by the restoring force from the compression deformation state to the original shape. Yes. Further, since the exterior member 13 has rubber properties, the exterior members 13 that are in pressure contact with each other are difficult to slide with each other, and the refractory treatment material 11 filled in the through holes 34 is prevented from being displaced. The outer surface of the exterior member 13 of the fireproof material 11 is in pressure contact with the outer surface of the wiring / pipe material 33.
なお、前述したように、耐火処理材１１は圧縮変形可能であることにより、圧縮変形状態から原形状への復帰力によって、その他の耐火処理材１１の外面となる外装部材１３に圧接している。また、外装部材１３がゴム性を有することで、圧接した外装部材１３同士が互いに滑り難くなっている。これにより、貫通孔３４内に収容可能な耐火処理材１１のうち大半を収容した状態では、既に挿入されている耐火処理材１１の圧縮変形状態から原形状への復帰力や、外装部材１３のゴム性によって、残りの耐火処理材１１（例えば、残り一個）を貫通孔３４内に挿入し難くなっている。 As described above, since the fireproof material 11 is compressible and deformable, it is in pressure contact with the exterior member 13 serving as the outer surface of the other fireproof material 11 by the restoring force from the compression deformation state to the original shape. . Further, since the exterior member 13 has rubber properties, the exterior members 13 that are in pressure contact with each other are less likely to slide with each other. Thereby, in the state which accommodated most among the refractory processing materials 11 which can be accommodated in the through-hole 34, the return force from the compression deformation state of the already inserted refractory processing materials 11 to an original shape, or the exterior member 13 of Due to the rubber property, it is difficult to insert the remaining refractory material 11 (for example, the remaining one) into the through hole 34.
そこで、貫通孔３４内に収容可能な耐火処理材１１のうち大半を収容した状態で、残りの耐火処理材１１を貫通孔３４内に収容させる場合、これから挿入させようとしている耐火処理材１１に前述した手順で潤滑処理を施し、耐火処理材１１に潤滑部１４を形成する。そして、潤滑処理を施した耐火処理材１１を貫通孔３４内に挿入する。このとき、既に挿入されている耐火処理材１１の外装部材１３に潤滑部１４が当接するが、潤滑部１４によって摩擦が軽減されることで滑り易くなり、潤滑処理を施した耐火処理材１１を円滑に貫通孔３４内に収容させることが可能となる。なお、図１では、潤滑処理を施した耐火処理材１１を色付きで示している。 Therefore, when the remaining refractory treatment material 11 is accommodated in the through hole 34 in a state where most of the refractory treatment material 11 that can be accommodated in the through hole 34 is accommodated, the refractory treatment material 11 to be inserted from now on Lubrication is performed in the above-described procedure, and the lubrication portion 14 is formed on the fireproof material 11. Then, the fireproof material 11 subjected to the lubrication process is inserted into the through hole 34. At this time, the lubrication part 14 comes into contact with the exterior member 13 of the fire-resistant material 11 that has already been inserted. However, the lubrication part 14 reduces the friction so that it becomes slippery. It can be smoothly accommodated in the through hole 34. In addition, in FIG. 1, the fireproof processing material 11 which performed the lubrication process is shown with the color.
また、貫通孔３４の縦方向及び横方向において、耐火処理材１１同士の間や貫通孔３４の内周面と配線・配管材支持ラック２０との間に該耐火処理材１１のサイズよりも小さい隙間が形成された場合は、該隙間の大きさに合わせた耐火処理材１１が充填される。すなわち、耐火処理材１１を所要のサイズに切断して用いられる。また、切断された耐火処理材１１が貫通孔３４に充填される際、ブロック体１２の露出面に対して隣接する耐火処理材１１の外装部材１３が圧接するように耐火処理材１１が貫通孔３４に充填される。 Further, in the longitudinal direction and the lateral direction of the through-hole 34, the size of the fire-resistant treatment material 11 is smaller between the fire-resistant treatment materials 11 or between the inner peripheral surface of the through-hole 34 and the wiring / pipe material support rack 20. When a gap is formed, the refractory treatment material 11 is filled according to the size of the gap. That is, the fireproof material 11 is cut into a required size and used. Further, when the cut refractory material 11 is filled in the through-hole 34, the refractory material 11 passes through the through-hole so that the exterior member 13 of the adjacent refractory material 11 is pressed against the exposed surface of the block body 12. 34 is filled.
このように、耐火処理材１１の外面が貫通孔３４の内周面に圧接することによって、耐火処理材１１の外面と貫通孔３４の内周面との間に隙間がなくなる。同様に、耐火処理材１１の外面が配線・配管材３３の外面に圧接することによって、耐火処理材１１の外周面と配線・配管材３３の外面との間に隙間がなくなる。 As described above, the outer surface of the fireproof material 11 is in pressure contact with the inner peripheral surface of the through hole 34, so that there is no gap between the outer surface of the fireproof material 11 and the inner peripheral surface of the through hole 34. Similarly, when the outer surface of the fireproofing material 11 is pressed against the outer surface of the wiring / pipe material 33, there is no gap between the outer peripheral surface of the fireproofing material 11 and the outer surface of the wiring / pipe material 33.
また、配線・配管材支持ラック２０と配線・配管材３３との間や配線・配管材３３同士の間に形成される僅かな隙間には熱膨張性耐熱シール材（図示せず）が充填される。
次に、耐火処理材１１及び耐火構造の作用について記載する。
Further, a slight gap formed between the wiring / piping material support rack 20 and the wiring / piping material 33 or between the wiring / piping materials 33 is filled with a heat-expandable heat-resistant sealing material (not shown). The
Next, actions of the fireproofing material 11 and the fireproof structure will be described.
防火区画壁Ｗに耐火処理が施された建築物において、防火区画壁Ｗの一方の壁表側で火災等が発生し、配線・配管材３３が燃焼したとする。このとき、貫通孔３４は、耐火処理材１１の貫通孔３４内周面への圧接により閉塞されている。このため、耐火処理材１１によって貫通孔３４が煙の経路となることが防止され、防火区画壁Ｗの他方の壁面側へ煙が伝わる不都合がなくなる。 In a building in which fireproofing treatment is applied to the fire prevention compartment wall W, it is assumed that a fire or the like has occurred on the front side of one wall of the fire prevention compartment wall W, and the wiring / pipe material 33 has burned. At this time, the through hole 34 is closed by pressure contact with the inner peripheral surface of the through hole 34 of the fireproof material 11. For this reason, it is prevented that the through-hole 34 becomes a path | route of smoke by the fireproof processing material 11, and the problem that smoke is transmitted to the other wall surface side of the fire prevention division wall W is lost.
また、配線・配管材３３の外面には、耐火処理材１１の外装部材１３が圧接している。そして、外装部材１３は難燃性の熱膨張性耐熱材によって形成されている。このため、配線・配管材３３から発生する熱によって外装部材１３が即座に焼失してしまうことはなく、外装部材１３は熱を受けて膨張する。また、ブロック体１２は不燃性を有する材料より形成されているため、外装部材１３が膨張したとき、ブロック体１２は燃焼しない。 Further, the exterior member 13 of the fireproof material 11 is in pressure contact with the outer surface of the wiring / pipe material 33. And the exterior member 13 is formed with the flame-retardant heat-expandable heat-resistant material. For this reason, the exterior member 13 is not immediately burned away by the heat generated from the wiring / pipe material 33, and the exterior member 13 expands by receiving heat. Moreover, since the block body 12 is formed from the material which has nonflammability, when the exterior member 13 expand | swells, the block body 12 does not burn.
すると、配線・配管材３３が燃焼して隙間が形成されたとしても、加熱された外装部材１３は配線・配管材３３が燃焼して形成された隙間に向けて膨張する。このとき、潤滑処理が施された耐火処理材１１の外装部材１３には潤滑部１４が形成されていることになる。ただし、前述したように、潤滑部１４の厚みは、外装部材１３の厚みよりもはるかに薄くなっている。よって、潤滑部１４によって、圧接する外装部材１３同士の接合（溶着）が阻害されることがない。 Then, even if the wiring / pipe material 33 burns and a gap is formed, the heated exterior member 13 expands toward the gap formed by the burning of the wiring / pipe material 33. At this time, the lubrication part 14 is formed in the exterior member 13 of the fireproof material 11 that has been subjected to the lubrication process. However, as described above, the thickness of the lubricating portion 14 is much thinner than the thickness of the exterior member 13. Therefore, the lubrication portion 14 does not hinder the bonding (welding) between the exterior members 13 that are in pressure contact.
そして、圧接する外装部材１３同士が接合（溶着）すると、複数の耐火処理材１１が一つの塊状となる。そして、配線・配管材３３が燃焼して形成された隙間が、一つの塊状をなす耐火処理材１１によって密封閉鎖される。その結果、配線・配管材３３の外面と貫通孔３４との間の隙間が火炎、煙、有毒ガス、熱の経路となり、防火区画壁Ｗの他方の壁表側へ火炎、煙、有毒ガス、熱が伝わることが防止され、耐火処理材１１によって耐火機能が発揮される。 When the exterior members 13 that are in pressure contact are joined (welded), the plurality of refractory treatment materials 11 become one lump. The gap formed by burning the wiring / piping material 33 is hermetically closed by the refractory processing material 11 that forms one lump. As a result, the gap between the outer surface of the wiring / pipe material 33 and the through-hole 34 becomes a path for flame, smoke, toxic gas, and heat, and the flame, smoke, toxic gas, heat Is prevented from being transmitted, and the fireproofing material 11 exhibits a fireproofing function.
上記実施形態によれば、以下のような効果を得ることができる。
（１）クッション性及びゴム性を有するとともに、熱によって膨張するブロック状の処理材本体１１ａによって耐火処理材１１を形成した。そして、貫通孔３４と該貫通孔３４内に挿入された配線・配管材３３との間に複数の耐火処理材１１を充填し、貫通孔３４を閉塞する。このとき、処理材本体１１ａの外面に潤滑剤を塗布し、貫通孔３４内に耐火処理材１１を充填するようにした。処理材本体１１ａの外面に潤滑剤を塗布することで、ゴム性を有する処理材本体１１ａであっても、潤滑剤によって摩擦が軽減されるので、耐火処理材１１が滑り易くなり、貫通孔３４内への耐火処理材１１の詰め込み作業を円滑に行うことができる。
According to the above embodiment, the following effects can be obtained.
(1) The fireproof processing material 11 was formed by the block-shaped processing material main body 11a which has cushioning properties and rubber properties and expands by heat. A plurality of refractory treatment materials 11 are filled between the through hole 34 and the wiring / piping material 33 inserted into the through hole 34 to close the through hole 34. At this time, a lubricant was applied to the outer surface of the treatment material main body 11a, and the fireproof treatment material 11 was filled in the through holes 34. By applying a lubricant to the outer surface of the treatment material body 11a, the friction is reduced by the lubricant even in the rubber treatment material body 11a. The work of stuffing the fireproof material 11 into the inside can be performed smoothly.
（２）防火区画壁Ｗで火災が発生したとしても、耐火性材料で形成される潤滑剤を処理材本体１１ａの外面、より詳しくは外装部材１３の外面に塗布することで、火災によって潤滑剤が焼失してしまうことがない。これにより、外装部材１３に加え、塗布された潤滑剤によっても、貫通孔３４での耐火構造を形成することができる。 (2) Even if a fire occurs on the fire prevention partition wall W, a lubricant formed of a fire resistant material is applied to the outer surface of the treatment material main body 11a, more specifically, the outer surface of the exterior member 13, so that the lubricant is generated by the fire. Will not burn out. Thereby, in addition to the exterior member 13, the fire-resistant structure in the through-hole 34 can be formed also by the applied lubricant.
（３）潤滑剤を粉状物としたことで、外装部材１３の外面に塗布した潤滑剤の層が薄くなる。よって、防火区画壁Ｗで火災が発生したとしても、外装部材１３が膨張した際に複数の耐火処理材１１が一つの塊状となる過程を阻害することなく、耐火機能を発揮させることができる。 (3) Since the lubricant is powdery, the lubricant layer applied to the outer surface of the exterior member 13 becomes thin. Therefore, even if a fire occurs on the fire prevention partition wall W, the fire resistance function can be exhibited without hindering the process in which the plurality of fire resistance treatment materials 11 become one lump when the exterior member 13 expands.
（４）耐火処理材１１を構成する処理材本体１１ａの外面、より詳しくは外装部材１３の外面に潤滑部１４を設けた。貫通孔３４内に複数の耐火処理材１１を挿入する際に、既に挿入されている耐火処理材１１と、これから挿入しようとしている耐火処理材１１が接する場合であっても、潤滑部１４によって摩擦が軽減されるので、耐火処理材１１が滑り易くなり、貫通孔３４内への耐火処理材１１の詰め込み作業を円滑に行うことができる。 (4) The lubrication part 14 was provided in the outer surface of the processing material main body 11a which comprises the fireproof processing material 11, more specifically, the outer surface of the exterior member 13. FIG. When inserting a plurality of refractory treatment materials 11 into the through-holes 34, even if the already inserted refractory treatment material 11 and the refractory treatment material 11 to be inserted are in contact with each other, friction is caused by the lubricating portion 14. Therefore, the refractory treatment material 11 can be easily slipped, and the stuffing of the refractory treatment material 11 into the through hole 34 can be performed smoothly.
（５）貫通孔３４内に挿入する前段階で、耐火処理材１１に潤滑剤を塗布するようにした。なお、既に潤滑部１４が形成された耐火処理材１１を貫通孔３４内に挿入する場合、潤滑剤によって滑り易くなることで把持し難くなるため、結果的に挿入作業が行い難くなる。しかし、貫通孔３４内に挿入する前段階で、作業者が耐火処理材１１に潤滑剤を塗布するようにしたことで、大半の耐火処理材１１の把持作業にも手間取らないので、結果的に、耐火処理材１１を円滑に貫通孔３４内に収容させることが可能となる。 (5) The lubricant was applied to the refractory material 11 at a stage prior to insertion into the through hole 34. In addition, when inserting the fireproof processing material 11 in which the lubrication part 14 is already formed in the through-hole 34, it becomes difficult to hold | grip because it becomes slippery with a lubricant, As a result, it becomes difficult to perform insertion operation. However, since the operator applied the lubricant to the refractory treatment material 11 before the insertion into the through hole 34, it does not take time to grip most of the refractory treatment material 11. In addition, the fireproofing material 11 can be smoothly accommodated in the through hole 34.
（６）貫通孔３４内に耐火処理材１１を挿入する場合、貫通孔３４に収容されている耐火処理材１１の数が少なければ（例えば、貫通孔３４に耐火処理材１１を２，３個挿入したような初期段階）、耐火処理材１１の圧縮変形状態から原形状への復帰力も、その他の耐火処理材１１の挿入を阻害するほど大きくはならない。また、外装部材１３はゴム性を有しているものの、貫通孔３４の内部に耐火処理材１１よりも大きい空間が残されているのであれば、その他の耐火処理材１１に触れることなく、耐火処理材１１を貫通孔３４内に挿入することも可能となる。したがって、貫通孔３４に収容されている耐火処理材１１の数が少ない場合は、耐火処理材１１に潤滑処理を施さなくても、円滑に貫通孔３４内に耐火処理材１１を挿入することができる。一方、貫通孔３４内に収容可能な耐火処理材１１のうち大半を収容した状態（例えば、貫通孔３４に耐火処理材１１を残り１個しか挿入できないような最終段階）で、残りの耐火処理材１１を貫通孔３４内に収容させる場合、耐火処理材１１が挿入される空間が狭いことが起因して、その他の耐火処理材１１と接することで摩擦が生じることもある。そこで、これから挿入させようとしている耐火処理材１１に潤滑処理を施し、潤滑部１４を形成させるようにした。これによれば、貫通孔３４内に挿入される全ての耐火処理材１１に潤滑処理を施さなくても、貫通孔３４に大半の耐火処理材１１が挿入されてから、残りの耐火処理材１１に潤滑処理を施せば良いことになる。これにより、耐火処理材１１に潤滑処理を施す手間を削減しつつ、耐火処理材１１を円滑に貫通孔３４内に収容させることが可能となる。 (6) When the fireproof material 11 is inserted into the through hole 34, if the number of the fireproof materials 11 accommodated in the through hole 34 is small (for example, two or three fireproof materials 11 in the through hole 34). The initial stage of insertion), the return force from the compression deformation state of the fireproof material 11 to the original shape does not become so large as to inhibit the insertion of the other fireproof material 11. Moreover, although the exterior member 13 has rubber properties, if a space larger than the fireproof material 11 is left inside the through hole 34, the fireproof material 11 is not touched without touching the other fireproof material 11. It is also possible to insert the treatment material 11 into the through hole 34. Therefore, when the number of the refractory treatment materials 11 accommodated in the through holes 34 is small, the refractory treatment materials 11 can be smoothly inserted into the through holes 34 even if the refractory treatment materials 11 are not lubricated. it can. On the other hand, in the state where most of the refractory material 11 that can be accommodated in the through hole 34 is accommodated (for example, the final stage in which only one remaining refractory material 11 can be inserted into the through hole 34), the remaining refractory treatment When the material 11 is accommodated in the through hole 34, friction may be caused by contact with the other refractory material 11 due to a narrow space in which the refractory material 11 is inserted. Therefore, the refractory material 11 to be inserted is lubricated to form the lubrication portion 14. According to this, even if all the refractory treatment materials 11 inserted into the through holes 34 are not lubricated, the remaining refractory treatment materials 11 are inserted after most of the refractory treatment materials 11 are inserted into the through holes 34. It is only necessary to apply a lubrication treatment. As a result, it is possible to smoothly accommodate the fireproof material 11 in the through hole 34 while reducing the labor for applying the lubrication treatment to the fireproof material 11.
（７）ブロック体１２は、クッション性を有しているので、外装部材１３内にブロック体１２を押し込む作業を容易に行うことができる。
（８）ブロック体１２が熱膨張性耐熱材製の外装部材１３で包まれていることから、ブロック体１２に熱が伝わらない限り、ブロック体１２が外装部材１３の外部に逃げることがないので、耐火処理材１１がクッション性を失うことがない。
(7) Since the block body 12 has cushioning properties, the work of pushing the block body 12 into the exterior member 13 can be easily performed.
(8) Since the block body 12 is encased in the exterior member 13 made of a heat-expandable heat-resistant material, the block body 12 will not escape to the outside of the exterior member 13 unless heat is transmitted to the block body 12. The fireproofing material 11 does not lose its cushioning property.
（９）さらに、外装部材１３はゴム性を有し、外装部材１３同士が接触した状態では互いに滑り難くなっている。よって、潤滑剤が塗布されない耐火処理材１１に関しては、貫通孔３４に充填された耐火処理材１１が貫通孔３４内からずれ落ちたり位置ずれしたりすることを防止でき、耐火処理構造を維持することができる。 (9) Furthermore, the exterior member 13 has rubber properties, and it is difficult for the exterior member 13 to slide in a state where the exterior members 13 are in contact with each other. Therefore, with respect to the refractory treatment material 11 to which no lubricant is applied, the refractory treatment material 11 filled in the through hole 34 can be prevented from slipping out or being displaced from the inside of the through hole 34, and the fireproof treatment structure is maintained. be able to.
（１０）ブロック体１２と外装部材１３とは接着されていない。このため、外装部材１３内でブロック体１２は自由に変形することができ、耐火処理材１１を容易に圧縮変形させることができる。 (10) The block body 12 and the exterior member 13 are not bonded. For this reason, the block body 12 can be freely deformed in the exterior member 13, and the fireproof material 11 can be easily compressed and deformed.
（１１）耐火処理材１１は、不燃性を有するブロック体１２が難燃性を有する外装部材１３により包まれている。このため、耐火処理材１１全体は火災等によっても一気に焼失してしまうことがなく、貫通孔３４の耐火機能を十分に発揮させることができる。 (11) In the fireproofing material 11, the nonflammable block body 12 is wrapped by an exterior member 13 having flame retardancy. For this reason, the entire fireproofing material 11 is not burned out at a stroke even by a fire or the like, and the fireproofing function of the through hole 34 can be sufficiently exhibited.
なお、上記実施形態は以下のように変更しても良い。
○潤滑剤は、粉状物であれば、燃焼性の高低は問わない。
○潤滑剤は、耐火処理材１１を貫通孔３４内に円滑に挿入することを可能とするならば、燃焼性の高低は問わない。
In addition, you may change the said embodiment as follows.
○ As long as the lubricant is a powder, it does not matter whether it is combustible or not.
The lubricant may be high or low as long as it enables the fireproof material 11 to be smoothly inserted into the through hole 34.
○外装部材１３の外面にフッ素樹脂加工を施すことで、潤滑部１４を形成しても良い。
○外装部材１３の外面に潤滑油を塗布することで、潤滑部１４を形成しても良い。
○実施形態では、貫通孔３４内に挿入される全ての耐火処理材１１に潤滑処理を施しても良い。また、全ての耐火処理材１１ではなく、潤滑処理を施す耐火処理材１１の個数は如何なる個数であっても良い。
The lubrication part 14 may be formed by performing fluororesin processing on the outer surface of the exterior member 13.
The lubricating portion 14 may be formed by applying lubricating oil to the outer surface of the exterior member 13.
In the embodiment, all the refractory treatment materials 11 inserted into the through holes 34 may be lubricated. Further, the number of the refractory treatment materials 11 to be subjected to the lubrication treatment instead of all the refractory treatment materials 11 may be any number.
○実施形態では、既に潤滑部１４が設けられた耐火処理材１１を製品としても良い。つまり、作業者自身が潤滑処理を施す手間を省いても良い。
○実施形態において、既に収容されている耐火処理材１１の外面と接する面のみ（例えば、外装部材１３を形成する六つの面のうち互いに対向する最も大きい二つの面）、潤滑処理を施すようにしても良い。これによれば、作業者は、既に挿入されている耐火処理材１１と接する面にのみ潤滑剤を塗布して潤滑部１４を形成したとしても、貫通孔３４内に耐火処理材１１を円滑に詰め込むことができる。よって、全ての面に潤滑剤を塗布しなくても摩擦を軽減することが可能となるため、潤滑処理を施す耐火処理材１１の製造コスト及び塗布する手間を削減することができる。
In the embodiment, the refractory treatment material 11 having the lubrication part 14 already provided may be used as a product. In other words, the labor of the operator himself / herself for the lubrication process may be omitted.
In the embodiment, only the surface in contact with the outer surface of the refractory material 11 already accommodated (for example, the two largest surfaces facing each other among the six surfaces forming the exterior member 13) is subjected to the lubrication treatment. May be. According to this, even if the worker applies the lubricant only to the surface in contact with the already inserted refractory treatment material 11 to form the lubrication portion 14, the worker can smoothly place the refractory treatment material 11 in the through hole 34. Can be stuffed. Therefore, since it is possible to reduce friction without applying a lubricant to all surfaces, it is possible to reduce the manufacturing cost of the refractory material 11 to be lubricated and the labor for applying it.
○耐火処理材１１において、ブロック体１２の全体を外装部材１３で覆わなくても良い。例えば、ブロック体を形成する六つの面のうち互いに対向する最も大きい二つの面のみ、外装部材１３で覆うようにしても良い。又は、貫通孔３４に耐火処理材１１を充填した状態における耐火処理材１１の前面及び背面を除く上下左右４方向のブロック体１２の外面を、外装部材１３で覆うようにしても良い。そして、耐火構造において、火災等の発生時に、配線・配管材３３が燃焼して隙間が形成されたとしても、配線・配管材３３が燃焼して形成された隙間に向けて外装部材１３が膨張し、互いに圧接する外装部材１３同士が接合（溶着）する。したがって、外装部材１３の膨張によって複数の耐火処理材１１が一つの塊状となるのであれば、ブロック体１２全体を外装部材１３で覆わなくても、ブロック体１２の一部を外装部材１３で覆うだけでも、外装部材１３同士を接合（溶着）させることができる。よって、耐火処理材１１の製造コストを抑えながらも、貫通孔３４が火炎、煙、有毒ガス、熱の流入経路になることを防止して耐火機能を発揮することができる。 In the fireproofing material 11, the entire block body 12 may not be covered with the exterior member 13. For example, only the two largest surfaces facing each other among the six surfaces forming the block body may be covered with the exterior member 13. Or you may make it cover the outer surface of the block body 12 of the up-down and right-and-left 4 directions except the front surface and back surface of the fireproof processing material 11 in the state which filled the fireproof processing material 11 in the through-hole 34 with the exterior member 13. In the fire-resistant structure, even when the fire or the like occurs, even if the wiring / pipe material 33 burns to form a gap, the exterior member 13 expands toward the gap formed by the wiring / pipe material 33 burning. Then, the exterior members 13 that are in pressure contact with each other are joined (welded). Therefore, if the plurality of refractory treatment materials 11 become one lump due to the expansion of the exterior member 13, even if the entire block body 12 is not covered with the exterior member 13, a part of the block body 12 is covered with the exterior member 13. Only the exterior members 13 can be joined (welded) to each other. Therefore, while suppressing the manufacturing cost of the refractory treatment material 11, it is possible to prevent the through-hole 34 from being an inflow path of flame, smoke, toxic gas, and heat and to exhibit a fire resistance function.
○耐火処理材１１において、外装部材１３からブロック体１２が脱落しない状態であれば、外装部材１３に開口部を形成し、ブロック体１２を外装部材１３外へ露出させても良い。 In the fireproofing material 11, if the block body 12 is not dropped from the exterior member 13, an opening may be formed in the exterior member 13 to expose the block body 12 to the outside of the exterior member 13.
○熱膨張性耐熱材製の外装部材１３が膨張することで、貫通孔３４を閉塞することができるのであれば、ブロック体１２は、火災時に焼失するような可燃性の材料で形成されていても良い。 ○ If the through-hole 34 can be closed by the expansion of the exterior member 13 made of a heat-expandable heat-resistant material, the block body 12 is made of a combustible material that is burned off in the event of a fire. Also good.
○外装部材１３を、軟質合成樹脂を主体とする熱膨張性耐火材で形成しても良い。
○ブロック体１２を、ウレタン、ポリスチレン系樹脂等の難燃性の発泡性材料によって形成しても良い。ウレタン、ポリスチレン系樹脂などの発泡性材料は、繊維質ではなく、樹脂内に気泡が不均一に分散されて形成されている。ただし、気泡を除く樹脂同士の凝集性が、セラミックウールやロックウールを構成する繊維の凝集性よりも高い。このため、ブロック体１２を切断したり折り曲げたりしたとしても、ブロック体１２の切断面（露出面）や折り曲げた箇所から、ブロック体１２を形成する発泡性材料が飛散することはない。よって、ブロック体１２の露出面を外装部材１３とは別部材で覆う必要もなくなり、耐火処理材１１を簡単に施工することができる。
The exterior member 13 may be formed of a thermally expandable refractory material mainly composed of a soft synthetic resin.
The block body 12 may be formed of a flame-retardant foaming material such as urethane or polystyrene resin. Foamable materials such as urethane and polystyrene resins are not fibrous and are formed by unevenly dispersing bubbles in the resin. However, the cohesiveness between resins excluding air bubbles is higher than the cohesiveness of fibers constituting ceramic wool or rock wool. For this reason, even if the block body 12 is cut or bent, the foamable material forming the block body 12 is not scattered from the cut surface (exposed surface) of the block body 12 or the bent portion. Therefore, it is not necessary to cover the exposed surface of the block body 12 with a separate member from the exterior member 13, and the fireproof material 11 can be easily constructed.
○ブロック体１２と外装部材１３とは接着剤によって接着されていても良い。
○実施形態において、外装部材１３が弾性を有しているため、外装部材１３に収容空間を設けず、外装部材１３のみによって処理材本体１１ａを形成しても良い。また、外装部材１３に収容空間を設けるが、該収容空間にブロック体１２を収容しなくても良い。つまり、耐火処理材自身がクッション性を有するのであれば、そのクッション性は、ブロック体又は外装部材のどちらによって付与されても構わない。
The block body 12 and the exterior member 13 may be bonded with an adhesive.
In the embodiment, since the exterior member 13 has elasticity, the treatment material main body 11 a may be formed only by the exterior member 13 without providing a housing space in the exterior member 13. In addition, although a housing space is provided in the exterior member 13, the block body 12 may not be housed in the housing space. That is, as long as the fireproof material itself has cushioning properties, the cushioning properties may be imparted by either the block body or the exterior member.
○耐火処理材１１は直方体状でなくてもよく、球状、八面体状、三角錐状のように形状を変更しても良い。
○配線・配管材として、配線や配管材を複数本纏めたものであっても良い。
The refractory material 11 does not have to be a rectangular parallelepiped shape, and the shape may be changed to a spherical shape, an octahedral shape, or a triangular pyramid shape.
○ As the wiring / piping material, a plurality of wiring / piping materials may be collected.
○防火区画体として、コンクリート壁のような中実壁や床、天井、又は造営材を一対の壁材で挟んで形成する中空壁の貫通孔に耐火処理材１１を用いて耐火処理構造を設けても良い。 ○ As a fire-proof compartment, a fire-resistant treatment structure is provided by using a fire-resistant treatment material 11 in a through-hole of a hollow wall formed by sandwiching a solid wall such as a concrete wall, a floor, a ceiling, or a construction material between a pair of wall materials. May be.
○貫通孔３４の形状は、円形状や四角形状を除く多角形状としても良い。 The shape of the through hole 34 may be a polygonal shape excluding a circular shape or a square shape.
Ｗ…防火区画体としての防火区画壁、１１…耐火処理材、１１ａ…処理材本体、１２…ブロック体、１３…熱膨張性耐火材としての外装部材、１４…潤滑部、３３…配線・配管材、３４…貫通部としての貫通孔。 W: Fireproof partition wall as fireproof compartment, 11: Fireproof material, 11a ... Treatment material main body, 12 ... Block body, 13 ... Exterior member as thermally expandable fireproof material, 14 ... Lubrication part, 33 ... Wiring and piping 34, a through hole as a through part.
Claims (3)
建築物の防火区画体を厚み方向に貫通して形成された貫通部と該貫通部内に挿入された配線・配管材との間に大半の耐火処理材を収容して、前記大半の耐火処理材の外面同士を互いに圧接させ、
残りの耐火処理材の前記処理材本体外面に潤滑剤を塗布し、前記耐火処理材のうち大半を収容した前記貫通部内に前記残りの耐火処理材を充填する耐火処理材の充填方法。 A large number of fire-resistant treatment materials that have cushioning and rubber properties and that have a block-shaped treatment material body that expands due to heat ,
Most of the refractory treatment material is accommodated between a penetration part formed through the fire prevention compartment of the building in the thickness direction and the wiring / piping material inserted into the penetration part. The outer surfaces of each other are pressed against each other,
A method of filling a refractory treatment material, wherein a lubricant is applied to the outer surface of the treatment material main body of the remaining refractory treatment material, and the remaining refractory treatment material is filled in the penetrating portion containing most of the refractory treatment material.
The method for filling a refractory treatment material according to claim 1, wherein the lubricant is a powdery material.
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