JP2019100503A - Fire compartment penetration kit and fire compartment penetration structure - Google Patents

Fire compartment penetration kit and fire compartment penetration structure Download PDF

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JP2019100503A
JP2019100503A JP2017234556A JP2017234556A JP2019100503A JP 2019100503 A JP2019100503 A JP 2019100503A JP 2017234556 A JP2017234556 A JP 2017234556A JP 2017234556 A JP2017234556 A JP 2017234556A JP 2019100503 A JP2019100503 A JP 2019100503A
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thermal expansion
compartment penetration
expansion material
fire protection
cover member
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JP6902756B2 (en
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和由 重山
Kazuyoshi Shigeyama
和由 重山
卓也 角田
Takuya Tsunoda
卓也 角田
孝博 三浦
Takahiro Miura
孝博 三浦
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Togawa Rubber Co Ltd
Inoue Shoji KK
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Togawa Rubber Co Ltd
Inoue Shoji KK
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Abstract

To reduce labor and work time of construction when a pipeline is penetrated through a compartment penetration part.SOLUTION: A fire compartment penetration kit 1 is characterized by including an aluminum pipe 2 and a thermal expansion material 4 provided at an outer periphery of the aluminum pipe 2.SELECTED DRAWING: Figure 1

Description

本発明は、集合住宅等の建築物の躯体（壁又は床）に形成される区画貫通部に適用可能な防火区画貫通キット、及び防火区画貫通構造に関する。   The present invention relates to a fire protection compartment penetration kit applicable to a compartment penetration part formed in a housing (wall or floor) of a building such as an apartment house, and a fire protection compartment penetration structure.

建築物の躯体の一方で万一火災が発生した場合、その炎や煙が他方に広がるのを防ぐために、当該躯体には通常、消防法で規定される区画が設けられている。   In order to prevent the fire and smoke from spreading to the other side of the frame of the building, the frame is generally provided with a section defined by the Fire Service Law.

消防法上規定される区画には、消防法施行令第８条に規定する開口部の無い耐火構造の床又は壁の区画（通称：令８区画）と、共同住宅等の住戸等間の開口部の無い耐火構造の床又は壁の区画（通称：共住区画）の２種類がある。   Sections of fire-proof structure floor or wall without opening part prescribed in Fire Service Act enforcement order Article 8 in division prescribed in the Fire Service Act (common name: decree 8 division) and opening between dwelling units such as communal houses There are two types of floor or wall sections (common name: communal section) of fireproof structure without a part.

いずれの区画においても、貫通部を形成して配管を貫通させることは、消防法上原則として認められていない。しかしながら、必要不可欠な配管であって、当該区画を貫通する配管及び当該区画貫通部について、開口部のない耐火構造の床又は壁による区画と同等とみなすことができる場合にあっては、当該区画の貫通を認めるとされている。   In any section, it is not permitted in principle under the Fire Service Law to form a penetration portion to penetrate a pipe. However, in the case where it is regarded as an indispensable pipe, the pipe penetrating through the section and the section penetrating portion can be regarded as equivalent to the section by the floor or wall of the fireproof structure having no opening, the section It is believed that the penetration of

そのため、区画貫通部を貫通させる配管には、火災の熱で溶けないこと、もしくは火災の熱で溶けたとしても区画貫通部を塞いで炎と煙を拡大させない機能を有することが必要とされる。   Therefore, the piping that penetrates the compartment penetration part needs to have a function not to be melted by the heat of the fire, or to have the function of closing the compartment penetration part and not expanding the flame and smoke even if it is melted by the heat of the fire. .

そのような要求を満たす配管として、従来は、日本工業規格（例えばＪＩＳ Ｇ ３４４２等）、日本水道協会規格（例えばＪＷＷＡＫ１１６等）、及び日本水道鋼管協会規格（例えばＷＳＰ０１１等）等の所定の規格を満たす火災の熱に溶けない鋼管が使用されている。尚、火災の熱で溶けたとしても区画貫通部を塞ぐ機能を備える樹脂製配管が使用される場合もあるが、鋼管と比べて経年劣化による亀裂や割れが生じ易いなどの懸念があるためあまり使用されておらず、現状ではほとんどの場合が鋼管である。   As piping that meets such requirements, conventionally, predetermined standards such as Japanese Industrial Standards (for example, JIS G 3442 etc.), Japan Water Works Association standards (for example JWWAK 116 etc.), and Japan Water Pipe Association standards (for example WSP 011 etc.) A steel pipe that does not melt in the heat of the fire filling is used. In addition, even if it melts with the heat of a fire, although resin piping provided with the function to close a section penetration part may be used, there is concern such as being easy to produce a crack and a crack by aging compared with a steel pipe. It is not used, and at present most steel pipes are used.

鋼管は重量が大きいため、施工の際に機械や多くの人手を要し、そのため作業時間も長引かせてしまうことがある。また、近年問題視されている建築労働者の減少も、この課題の早期解決をより望ましいものにしている。   Because of the heavy weight of the steel pipe, it requires a large amount of machinery and labor during construction, which may prolong working time. In addition, the decrease in the number of construction workers considered as a problem in recent years also makes early solution of this problem more desirable.

本発明の目的は、区画貫通部に配管を貫通させる際の施工の手間や作業時間を軽減することにある。   An object of the present invention is to reduce the time and labor required for installation when a pipe is made to penetrate a section penetrating portion.

本発明の防火区画貫通キットに係る第１特徴構成は、アルミニウム管と、該アルミニウム管の外周に設けられる熱膨張材とを備える点にある。   The first characterizing feature of the fireproof compartment penetration kit according to the present invention is that it comprises an aluminum pipe and a thermal expansion material provided on the outer periphery of the aluminum pipe.

本構成によれば、例え火災の熱でアルミニウム管が溶けてしまったとしても、熱膨張材が熱により膨張することによって、区画貫通部を塞いで炎と煙を拡大するのを防ぐことができる。従って、区画貫通部に対して、従来の鋼管に比べて非常に軽いアルミニウム管を使用することが可能となるため、施工の際に機械や多くの人手を必要とせず、作業時間も短縮される。   According to this configuration, even if the aluminum tube melts due to the heat of fire, the thermal expansion material expands due to the heat, so that it is possible to prevent the section penetration part from being blocked and expanding the flame and smoke. . Therefore, since it is possible to use an aluminum pipe which is extremely light in comparison with the conventional steel pipe for the section penetration part, the operation time is also shortened without the need for a machine or a large number of human hands during construction. .

さらに、本構成のごとくアルミニウム管を使用すれば、従来の樹脂製配管と比べて、経年劣化による亀裂や割れが生じ難い。さらに、樹脂製配管と比べて、熱膨張材への熱の伝わりが良く、熱膨張による閉塞に有利である。また、樹脂製配管が燃焼すると有毒ガス（例えば、塩化ビニル樹脂が燃焼したときは塩素ガス）が生じる虞があるが、アルミニウム管の場合はその虞がない。さらに、アルミニウム管の場合は、樹脂製配管と比べて、温水や気温など、熱による変形（配管の熱膨張等）の影響が少ない。   Furthermore, when an aluminum pipe is used as in the present configuration, cracks and cracks due to aging deterioration are less likely to occur compared to conventional resin piping. Furthermore, compared with resin piping, heat transfer to the thermal expansion material is better, which is advantageous for blocking due to thermal expansion. In addition, there is a risk that toxic gas (for example, chlorine gas when vinyl chloride resin burns) may be generated when the resin pipe is burned, but there is no such risk in the case of an aluminum pipe. Furthermore, in the case of an aluminum pipe, deformation due to heat (thermal expansion of the pipe, etc.), such as warm water and air temperature, is less than in the case of a resin pipe.

第２特徴構成は、前記熱膨張材が設けられる前記アルミニウム管の部分に、厚み方向に貫通する切欠部が形成されている点にある。   A second characteristic configuration is that a cutout that penetrates in the thickness direction is formed in the portion of the aluminum pipe where the thermal expansion material is provided.

本構成によれば、熱膨張材が火災の熱で加熱されて膨張する際、切欠部を介してアルミニウム管の内側に進入し易くなることに加え、アルミニウム管が溶けるよりも早く熱膨張材による閉塞が可能となり、もしくは、アルミニウム管が溶けずにその形状を保持している場合であっても、熱膨張材による閉塞が可能となる。また、アルミニウム管内へ熱風が入り込んだ場合には、熱膨張材を直接加熱することとなるため、区画貫通部をより迅速に閉塞することが可能となる。   According to this configuration, when the thermal expansion material is heated by the heat of the fire and expands, it is likely to enter the inside of the aluminum pipe through the notch, and the thermal expansion material is used more quickly than the aluminum pipe is melted. Blockage is possible, or blockage by the thermal expansion material is possible, even if the aluminum tube remains its shape without melting. In addition, when hot air enters the aluminum pipe, the thermal expansion material is directly heated, so that it is possible to close the section penetration part more quickly.

第３特徴構成は、前記熱膨張材の外周面に設けられるカバー部材を備える点にある。   A third characterizing feature is that a cover member is provided on the outer peripheral surface of the thermal expansion material.

本構成のごとく、熱膨張材の外周面にカバー部材を設けることによって、火災の熱がカバー部材を介して熱膨張材に伝達され易くなり膨張が促される。さらに、熱膨張材の外側への膨張が抑えられて内側に膨張し易くなるため、より確実に区画貫通部を塞ぐことが可能となる。   By providing the cover member on the outer peripheral surface of the thermal expansion material as in this configuration, the heat of the fire is easily transmitted to the thermal expansion material through the cover member, and the expansion is promoted. Furthermore, since the expansion of the thermal expansion material to the outside is suppressed and it becomes easy to expand inward, it is possible to more reliably block the section penetration part.

第４特徴構成は、前記カバー部材が、前記熱膨張材の外周面全体を覆う点にある。   A fourth characterizing feature is that the cover member covers the entire outer peripheral surface of the thermal expansion material.

本構成によれば、熱膨張材が火災の熱で加熱されて膨張する際、カバー部材で覆われていない部分から熱膨張材がはみ出すという事態を回避することができるため、熱膨張材の内側への膨張がより一層促されて、さらにより確実に区画貫通部を塞ぐことが可能となる。   According to this configuration, when the thermal expansion material is heated by the heat of the fire and expands, it is possible to avoid the situation where the thermal expansion material protrudes from the portion not covered by the cover member, so the inner side of the thermal expansion material Expansion is further promoted, and it is possible to more reliably block the compartment penetration.

第５特徴構成は、前記カバー部材の外周面に設けられる締付部材を備える点にある。   A fifth characterizing feature is that a fastening member provided on the outer peripheral surface of the cover member is provided.

本構成によれば、締付部材によって、カバー部材が熱膨張材の外周面に対してより確実に固定され、さらには熱膨張材を圧迫することによって止水性を高めることが可能となる。   According to this configuration, the cover member can be more reliably fixed to the outer peripheral surface of the thermal expansion material by the tightening member, and furthermore, the thermal expansion material can be pressed to enhance the water resistance.

本発明の防火区画貫通構造に係る特徴構成は、上記第１〜第５特徴構成のいずれかに記載の防火区画貫通キットと、該防火区画貫通キットが配置された区画貫通部の隙間に充填される充填材とを備える点にある。   The characteristic configuration according to the fire protection compartment penetration structure of the present invention is filled in the clearance between the fire protection compartment penetration kit according to any of the first to fifth characteristic constructions and the compartment penetration part where the fire protection compartment penetration kit is disposed And a filler material.

本構成によれば、上述の防火区画貫通キットと、該防火区画貫通キットが配置された区画貫通部の隙間に充填される充填材とを備えることによって、火災の際に、区画貫通部をより確実に塞ぐことが可能となる。   According to this configuration, by providing the above-described fire protection compartment penetration kit and the filler filled in the gap of the compartment penetration part where the fire protection compartment penetration kit is disposed, the compartment penetration part can be further improved in the case of a fire. It becomes possible to block it reliably.

防火区画貫通構造の縦断面図である。It is a longitudinal cross-sectional view of a fire prevention division penetration structure. 防火区画貫通キットの横断面図である。FIG. 7 is a cross-sectional view of the fire compartment penetration kit. 防火区画貫通キットの分解斜視図である。It is a disassembled perspective view of a fire protection compartment penetration kit.

以下、本発明の実施形態を図面に基づいて説明する。
本発明の防火区画貫通キットは、消防法で規定される区画（令８区画及び共住区画）に適用可能であり、当該区画を貫通する区画貫通部を挿通させて使用するものである。 Hereinafter, embodiments of the present invention will be described based on the drawings.
The fire protection compartment penetration kit of the present invention is applicable to the compartments defined by the Fire Service Law (department 8 compartments and common housing compartments), and is used by inserting a compartment penetration part that penetrates the compartment.

（防火区画貫通キット）
図１及び図２に示されるように、防火区画貫通キット１は、アルミニウム管２、アルミニウム管２の外周に設けられる熱膨張材４、熱膨張材４の外周面に設けられるカバー部材５、及びカバー部材５の外周面に設けられる締付部材６を備えて構成される。尚、カバー部材５と締付部材６は必要に応じて設けるようにしても良い。 (Fire compartment penetration kit)
As shown in FIGS. 1 and 2, the fire protection compartment penetration kit 1 includes an aluminum pipe 2, a thermal expansion material 4 provided on the outer periphery of the aluminum pipe 2, a cover member 5 provided on the outer peripheral surface of the thermal expansion material 4, A clamping member 6 provided on the outer peripheral surface of the cover member 5 is provided. The cover member 5 and the fastening member 6 may be provided as needed.

アルミニウム管２は、アルミニウム製の円筒形状の部材であって、例えば、給排水管や空調用冷温水管等として使用可能に構成されるものである。   The aluminum pipe 2 is a cylindrical member made of aluminum, and can be used as, for example, a water supply and drainage pipe, a cold and hot water pipe for air conditioning, and the like.

図３に示されるように、後述する熱膨張材４が設けられるアルミニウム管２の部分には、その厚み方向に貫通する切欠部３が形成されていることが望ましい。これにより、熱膨張材４が火災の熱で加熱されて膨張する際、切欠部３を介してアルミニウム管２の内側に進入し易くなることに加え、アルミニウム管２が溶けるよりも早く熱膨張材４による閉塞が可能となり、もしくは、アルミニウム管２が溶けずにその形状を保持している場合であっても、熱膨張材４による閉塞が可能となる。また、アルミニウム管２内へ熱風が入り込んだ場合には、熱膨張材４を直接加熱することとなるため、区画貫通部をより迅速に閉塞することが可能となる。   As shown in FIG. 3, it is desirable that a cutout 3 penetrating in the thickness direction is formed in the portion of the aluminum pipe 2 where the thermal expansion material 4 described later is provided. Thereby, when the thermal expansion material 4 is heated and expanded by the heat of a fire, in addition to the fact that it is easy to enter the inside of the aluminum pipe 2 through the notch 3, the thermal expansion material is quicker than the aluminum pipe 2 melts. Blocking by 4 is possible, or blocking by the thermal expansion material 4 is possible even when the aluminum pipe 2 is not melted and maintains its shape. Further, when hot air enters the aluminum pipe 2, the thermal expansion material 4 is directly heated, so that it is possible to close the section penetrating portion more quickly.

本実施形態では、長方形の切欠部３が、アルミニウム管２の周方向に等間隔で４つ形成されているが、この形態に限られるものではない。切欠部３の形状や数等については必要に応じて適宜変更して良い。   In the present embodiment, four rectangular notches 3 are formed at equal intervals in the circumferential direction of the aluminum pipe 2, but the present invention is not limited to this. The shape, the number, and the like of the notches 3 may be changed as appropriate.

熱膨張材４は、加熱されることによって熱膨する部材である。図２に示されるように、本実施形態における熱膨張材４は２層構造を有する円筒状の部材である。外側の層が、主成分としてゴム材料と耐火発泡材とを含む熱膨張層４ａである。内側の層は、アルミニウム管２の内側を流れる水等の流体が切欠部３から漏れるのをより確実に防ぐためのシール層４ｂである。   The thermal expansion material 4 is a member which is thermally expanded by being heated. As shown in FIG. 2, the thermal expansion material 4 in the present embodiment is a cylindrical member having a two-layer structure. The outer layer is a thermal expansion layer 4a containing a rubber material and a fire-resistant foam as main components. The inner layer is a seal layer 4 b for more reliably preventing a fluid such as water flowing inside the aluminum pipe 2 from leaking from the notch 3.

熱膨張層４ａを構成するゴム材料としては、例えば、耐熱性、自己消化性などに優れたクロロプレンゴム（ＣＲ）や、あるいは耐油性、耐水性、及び耐ガス透過性などに優れたニトリルゴム（ＮＢＲ）等が挙げられる。また、熱膨張層４ａを構成する耐火発泡材としては、例えば、熱膨張性能の高い熱膨張黒鉛等が挙げられる。尚、熱膨張材４は、１８０℃〜２００℃で熱膨張するものが望ましい。シール層４ｂを構成する材料としては、熱膨張層４ａと同材料であることが一体化の面で好適であるが、耐薬品性、耐摩耗性、接着性を考慮して選定すれば、異質材料でも良く、特に限定されるものではない。尚、シール層４ｂについては、必要に応じて設けるようにしても良い。   As a rubber material which constitutes thermal expansion layer 4a, for example, chloroprene rubber (CR) excellent in heat resistance, self-digestion, etc., or nitrile rubber excellent in oil resistance, water resistance, gas permeability resistance, etc. NBR) and the like. Moreover, as a fire-resistant foam material which comprises the thermal expansion layer 4a, the thermal expansion graphite with high thermal expansion performance etc. are mentioned, for example. In addition, as for the thermal expansion material 4, what thermally expands at 180 degreeC-200 degreeC is desirable. The material forming the seal layer 4b is preferably the same material as the thermal expansion layer 4a in terms of integration, but if it is selected in consideration of chemical resistance, abrasion resistance, and adhesiveness, it is different It may be a material and is not particularly limited. The seal layer 4b may be provided as needed.

また、本実施形態のように、熱膨張材４を２層構造とすることによって、配管内の流体と熱膨張材４との接触を避けることができ、熱膨張材４の劣化を防止することができる。また、硬さの低い材料を内層に用いることで、より高いシール性を付与することが可能となり、あるいは、より高強度の材料を内層に用いることで、より高い耐摩耗性を付与することが可能となる。さらに、内層として、耐薬品性の高い材料を用いることで、高い耐薬品性を付与することも可能となり、また抽出性の低い材料を用いることで、流体の汚染を抑えることが可能となる。   Further, as in the present embodiment, by making the thermal expansion material 4 into a two-layer structure, the contact between the fluid in the piping and the thermal expansion material 4 can be avoided, and the deterioration of the thermal expansion material 4 is prevented. Can. In addition, by using a low hardness material for the inner layer, it is possible to impart higher sealability, or by using a higher strength material for the inner layer, to impart higher abrasion resistance. It becomes possible. Furthermore, by using a material having high chemical resistance as the inner layer, it is possible to impart high chemical resistance, and by using a material having low extractability, it is possible to suppress fluid contamination.

図３に示されるように、カバー部材５は、２つの円筒分割体５ａによって構成されている。つまり、円筒分割体５ａは、円筒を縦に二分割した半円筒形状であって、その横断面形状は半円弧状で、２つの円筒分割体５ａの両側縁同士を合わせると筒状になる。また、円筒分割体５ａの長手方向の両端には、内側に折り返された鍔部分５ｂが設けられている。これにより、熱膨張材４の外周面に取り付けられたカバー部材５が、熱膨張材４の外周面全体を覆うように構成される。なお、円筒分割体５ａの形状は、組み合わせた際に円筒状になるのであれば、特に限定するものではなく、形状や分割数等については必要に応じて適宜変更しても良い。さらには分割体に限定されず、断面形状がＣ字形状で一部が開閉できるような一体のカバー部材であってもよい。カバー部材５を構成する素材としては、高い耐熱性に優れ、且つ熱伝導率も高い素材であることが望ましく、そのような素材としては例えばステンレスが挙げられる。   As shown in FIG. 3, the cover member 5 is constituted by two cylindrical divided bodies 5 a. That is, the cylindrical divided body 5a is a semi-cylindrical shape obtained by vertically dividing a cylinder into two, whose cross-sectional shape is a semicircular arc shape, and becomes cylindrical when both side edges of the two cylindrical divided bodies 5a are put together. Moreover, the collar part 5b folded back inside is provided in the both ends of the longitudinal direction of the cylinder division body 5a. Thus, the cover member 5 attached to the outer peripheral surface of the thermal expansion material 4 is configured to cover the entire outer peripheral surface of the thermal expansion material 4. The shape of the cylindrical divided body 5a is not particularly limited as long as it becomes a cylindrical shape when combined, and the shape, the number of divisions, and the like may be appropriately changed as needed. Furthermore, it is not limited to a division body, but a cross-sectional shape may be an integral cover member which can be opened and closed partially by C shape. The material constituting the cover member 5 is desirably a material excellent in high heat resistance and high in thermal conductivity. Examples of such a material include stainless steel.

締付部材６は、カバー部材５を外側から締め付けて２つの円筒分割体５ａが分離しないように固定する部材である。締付部材６としては、従来公知のステンレス製の締付けバンド等を使用して良い。この締付部材６によって、カバー部材５が熱膨張材４の外周面に対してより確実に固定され、さらには熱膨張材４を圧迫することによって止水性を高めることが可能となる。   The clamping member 6 is a member that clamps the cover member 5 from the outside so as not to separate the two cylindrical divided bodies 5a. As the clamping member 6, a conventionally known stainless steel clamping band or the like may be used. The cover member 5 is more securely fixed to the outer peripheral surface of the thermal expansion material 4 by the tightening member 6, and furthermore, the thermal expansion material 4 can be pressed to enhance the water barrier property.

（防火区画貫通キットの組立方法）
図３に示されるように、上述の防火区画貫通キット１を組み立てる場合は、先ず、アルミニウム管２の端を熱膨張材４の中に嵌め込み、そのまま熱膨張材４をアルミニウム管２に沿って切欠部３の位置までスライド移動させる。 (Assembly method of fire protection compartment penetration kit)
As shown in FIG. 3, when assembling the above-described fire protection compartment penetration kit 1, first, the end of the aluminum pipe 2 is fitted into the thermal expansion material 4, and the thermal expansion material 4 is cut along the aluminum pipe 2 as it is Slide to the position of part 3.

切欠部３の全体が熱膨張材４で覆われたことを確認した後、熱膨張材４の外周面にカバー部材５を取り付ける。即ち、２つの円筒分割体５ａで熱膨張材４を挟み込むようにして覆い、２つの円筒分割体５ａの両側縁同士を突き合わせて筒状とする。このとき、熱膨張材４の端面が、カバー部材５の鍔部分５ｂで覆われることとなるため、カバー部材５が、熱膨張材４の外周面全体がカバー部材５で覆われる。   After confirming that the whole of the notch 3 is covered with the thermal expansion material 4, the cover member 5 is attached to the outer peripheral surface of the thermal expansion material 4. That is, the thermal expansion material 4 is sandwiched and covered with two cylindrical divided bodies 5a, and both side edges of the two cylindrical divided bodies 5a are butted to form a cylindrical shape. At this time, since the end face of the thermal expansion material 4 is covered with the ridge portion 5 b of the cover member 5, the entire outer peripheral surface of the thermal expansion material 4 is covered with the cover member 5.

最後に、締付部材６を使用して、カバー部材５を外側から締め付けて２つの円筒分割体５ａが分離しないように固定する。本実施形態の場合、熱膨張材４が２層構造であり内層側にシール層４ｂを有するため、締付部材６を用いることによって、水等の流体の漏れを効果的に防ぐことが出来る。尚、カバー部材５の長手方向全体に亘るように、複数の締付部材６を所定の間隔で配置して固定することが望ましい。   Finally, using the clamping member 6, the cover member 5 is clamped from the outside to fix the two cylindrical divided bodies 5a so that they do not separate. In the case of the present embodiment, since the thermal expansion material 4 has a two-layer structure and has the seal layer 4 b on the inner layer side, leakage of fluid such as water can be effectively prevented by using the fastening member 6. In addition, it is desirable to arrange and fix a plurality of tightening members 6 at predetermined intervals so as to extend over the entire longitudinal direction of the cover member 5.

（防火区画貫通構造）
図１に示されるように、本発明に係る防火区画貫通構造１０は、上述の防火区画貫通キット１と、該防火区画貫通キット１が配置された区画貫通部８の隙間に充填される充填材９とを備える。 (Fire compartment penetration structure)
As shown in FIG. 1, the fire protection compartment penetration structure 10 according to the present invention is a filling material filled in the gap between the above-mentioned fire protection compartment penetration kit 1 and the compartment penetration part 8 where the fire protection compartment penetration kit 1 is disposed. And 9.

建築物の躯体７に形成された区画貫通部８に、防火区画貫通キット１のカバー部材５の部分を配設し、区画貫通部８の内周面とカバー部材５及び締付部材６の外周面との間の隙間に充填材９を充填する。これにより、防火区画貫通構造１０の施工が完了し、アルミニウム管２が区画貫通部８を挿通配管される。   The portion of the cover member 5 of the fire protection compartment penetration kit 1 is disposed in the compartment penetration part 8 formed in the frame 7 of the building, and the inner peripheral surface of the compartment penetration part 8 and the outer periphery of the cover member 5 and the fastening member 6 Fill the space between the surface and the filler material 9. Thereby, the construction of the fireproof compartment penetration structure 10 is completed, and the aluminum pipe 2 is piped through the compartment penetration part 8.

尚、本実施形態において、カバー部材５については、長手方向の長さを躯体７の厚みより長くし、その一部分を露出させることで、熱を受け易くなるように構成されている。例えば、カバー部材５の長手方向の長さを１１０ｍｍとし、床を貫通する場合には、下面側へ１０ｍｍ露出させ、壁を貫通する場合には、片側一方のみを１０ｍｍ露出することで、施工の管理を行なう。また、カバー部材５の熱伝導率が高いほど、カバー部材５の全体が熱せられ易くなり、その結果、熱膨張材４を広い範囲で熱することが出来るため、熱膨張（閉塞）に有利に働く効果が得られる。   In the present embodiment, the cover member 5 is configured such that the length in the longitudinal direction is longer than the thickness of the housing 7 and a portion thereof is exposed to be easily heated. For example, the length of the cover member 5 in the longitudinal direction is 110 mm, and in the case of penetrating the floor, it is exposed 10 mm to the lower surface side, and in the case of penetrating the wall, only one side is exposed 10 mm. Manage. Further, as the thermal conductivity of the cover member 5 is higher, the entire cover member 5 is easily heated, and as a result, the thermal expansion material 4 can be heated in a wide range, which is advantageous for thermal expansion (blockage). The working effect is obtained.

防火区画貫通構造１０に適用可能な充填材９及び充填方法としては、例えば以下に記載されるような従来公知の充填材及び充填方法を用いることができる。   As the filler 9 and the filling method applicable to the fireproof compartment penetration structure 10, for example, conventionally known fillers and filling methods as described below can be used.

例えば、充填材９としてセメントモルタルを使用する方法では、
（１）日本建築学会建築工事標準仕様書（ＪＡＳＳ）１５「左官工事」によるセメントと砂を容積で１対３の割合で十分から練りし、これに最小限の水を加え、十分混練りする。
（２）貫通部の裏側の面から板等を用いて仮押さえし、セメントモルタルを他方の面と面一になるまで十分密に充填する。
（３）セメントモルタル硬化後は、仮押さえに用いた板等を取り除く。 For example, in the method of using cement mortar as the filler 9,
(1) The Japanese Institute of Architectural Construction Standard Specification (JASS) 15. Mix cement and sand according to volume ratio 1: 3 by volume and add minimal water to this and mix well. .
(2) Temporarily hold the plate from the surface on the back side of the penetrating portion, and fill the cement mortar sufficiently densely to be flush with the other surface.
(3) After hardening the cement mortar, remove the plate etc. used for temporary pressing.

また、充填材９としてロックウールを使用する方法では、
（１）ＪＩＳ Ａ ９５０４（人造鉱物繊維保温材）に規定するロックウール保温材（充填密度１５０ｋｇ／ｍ３以上のものに限る。）又はロックウール繊維（充填密度１５０ｋｇ／ｍ３以上のものに限る。）を利用した乾式吹き付けロックウール又は湿式吹き付けロックウールで隙間を充填する。
（２）ロックウール充填後、２５ｍｍ以上のケイ酸カルシウム板又は０．５ｍｍ以上の鋼板を床又は壁と５０ｍｍ以上重なるように貫通部に蓋をし、アンカーボルト、コンクリート釘等で固定する。 In the method of using rock wool as the filler 9,
(1) Rock wool thermal insulation material (limited to those with a filling density of 150 kg / m 3 or more) or rock wool fibers (with a packing density of 150 kg / m 3 or more) specified in JIS A9504 (man-made mineral fiber heat insulating material) Fill the gap with dry spray lock wool or wet spray lock wool using).
(2) After filling with rock wool, cover the penetrating portion with a calcium silicate plate of 25 mm or more or a steel plate of 0.5 mm or more so as to overlap with the floor or wall by 50 mm or more, and fix with anchor bolts, concrete nails and the like.

上述の実施形態に係る防火区画貫通キットについて、以下の耐火試験を実施した。
１．試験した防火区画貫通キット（以下、試験体）の仕様寸法
アルミニウム管（長さ：１８７．５ｍｍ、外径：８９ｍｍ、切欠部：５０ｍｍ×５０ｍｍ）
熱膨張材（長さ：１００ｍｍ、外径：９５ｍｍ、クロロプレンゴム（ＣＲ）と熱膨張黒鉛とを含む熱膨張層：厚み５ｍｍ、クロロプレンゴム（ＣＲ）からなるシール層：厚み１．５ｍｍ）
ステンレス製のカバー部材（長さ：１１０ｍｍ、外径：１０５ｍｍ）
ステンレス製の締付バンド：３本 The following fire resistance test was implemented about the fire protection division penetration kit which concerns on the above-mentioned embodiment.
1. Specification dimensions of the tested fire protection compartment penetration kit (hereinafter, test body) Aluminum tube (length: 187.5 mm, outer diameter: 89 mm, notch: 50 mm × 50 mm)
Thermal expansion material (length: 100 mm, outer diameter: 95 mm, thermal expansion layer containing chloroprene rubber (CR) and thermally expanded graphite: thickness 5 mm, seal layer consisting of chloroprene rubber (CR): thickness 1.5 mm)
Cover member made of stainless steel (length: 110 mm, outer diameter: 105 mm)
3 clamps made of stainless steel

２．試験方法
予め電気炉の温度を５００℃まで上げておき、試験体を電気炉内に入れた。その後、炉内温度を１０００℃まで上げていき、１０００℃到達後、５分間温度を保持して、炉の電源を落とした。その状態のまま放置し、炉内温度が５００℃以下になった時点で、扉を開け、屋外に出し、手袋をして触れる程度まで冷やし、試験体状況を確認した。 2. Test Method The temperature of the electric furnace was raised to 500 ° C. in advance, and the test body was placed in the electric furnace. Thereafter, the furnace temperature was raised to 1000 ° C., and after reaching 1000 ° C., the temperature was maintained for 5 minutes to turn off the furnace power. It was left as it was, and when the temperature in the furnace became 500 ° C. or less, the door was opened, taken out outdoors, cooled with gloves to the extent that it could touch, and the condition of the specimen was confirmed.

３．試験結果
アルミニウム管は溶けていたが、熱膨張材の膨張によって内部が十分に閉塞されていることを確認した。 3. Test results Although the aluminum tube was melted, it was confirmed that the inside was sufficiently blocked by the expansion of the thermal expansion material.

以上、本発明の防火区画貫通キット及び防火区画貫通構造の実施形態及び実施例について具体例を示して詳細に説明したが、本発明の範囲は、上述した具体的な実施形態や実施例に限定される訳ではない。本明細書において開示された実施形態と実施例は全ての点で例示であって、本発明の趣旨を逸脱しない範囲内で適宜改変することが可能である。   The embodiments and examples of the fire protection compartment penetration kit and the fire protection compartment penetration structure of the present invention have been described in detail by showing specific examples, but the scope of the present invention is limited to the specific embodiments and examples described above. It is not the case. The embodiments and examples disclosed herein are illustrative in all respects, and may be modified as appropriate without departing from the spirit of the present invention.

本発明は、建築物の躯体に形成される区画貫通部の挿通配管に関する産業分野において好適に利用することができる。   Industrial Applicability The present invention can be suitably used in the industrial field related to insertion piping of a section penetration portion formed in a housing of a building.

１ 防火区画貫通キット
２ アルミニウム管
３ 切欠部
４ 熱膨張材
４ａ 熱膨張層
４ｂ シール層
５ カバー部材
５ａ 円筒分割体
５ｂ 鍔部分
６ 締付部材
７ 躯体
８ 区画貫通部
９ 充填材
１０ 防火区画貫通構造 DESCRIPTION OF SYMBOLS 1 fire protection zone penetration kit 2 aluminum pipe 3 notch 4 thermal expansion material 4a thermal expansion layer 4b seal layer 5 cover member 5a cylindrical division body 5b ridge portion 6 tightening member 7 body 8 compartment penetration portion 9 filler 10 fire protection zone penetration structure

Claims (6)

アルミニウム管と、該アルミニウム管の外周に設けられる熱膨張材とを備えることを特徴とする防火区画貫通キット。   A fire protection compartment penetration kit comprising an aluminum pipe and a thermal expansion material provided on the outer periphery of the aluminum pipe. 前記熱膨張材が設けられる前記アルミニウム管の部分に、厚み方向に貫通する切欠部が形成されていることを特徴とする請求項１に記載の防火区画貫通キット。   The fireproof compartment penetration kit according to claim 1, wherein a notch penetrating in a thickness direction is formed in a portion of the aluminum pipe where the thermal expansion material is provided. 前記熱膨張材の外周面に設けられるカバー部材を備えることを特徴とする請求項１又は２に記載の防火区画貫通キット。   The fire protection compartment penetration kit according to claim 1 or 2, further comprising a cover member provided on the outer peripheral surface of the thermal expansion material. 前記カバー部材が、前記熱膨張材の外周面全体を覆うことを特徴とする請求項３に記載の防火区画貫通キット。   The fire protection compartment penetration kit according to claim 3, wherein the cover member covers the entire outer peripheral surface of the thermal expansion material. 前記カバー部材の外周面に設けられる締付部材を備えることを特徴とする請求項３又は４に記載の防火区画貫通キット。   The fire protection compartment penetration kit according to claim 3 or 4, further comprising a tightening member provided on the outer peripheral surface of the cover member. 請求項１〜５のいずれか１項に記載の防火区画貫通キットと、該防火区画貫通キットが配置された区画貫通部の隙間に充填される充填材とを備えることを特徴とする防火区画貫通構造。   A fire protection compartment penetration characterized by comprising: the fire protection compartment penetration kit according to any one of claims 1 to 5; and a filling material filled in a gap of a compartment penetration part in which the fire protection compartment penetration kit is disposed. Construction.
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