JPH04151086A - Fire-proof measure applying method for through-part made of multiline synthetic resin for partition body - Google Patents
Fire-proof measure applying method for through-part made of multiline synthetic resin for partition bodyInfo
- Publication number
- JPH04151086A JPH04151086A JP2274610A JP27461090A JPH04151086A JP H04151086 A JPH04151086 A JP H04151086A JP 2274610 A JP2274610 A JP 2274610A JP 27461090 A JP27461090 A JP 27461090A JP H04151086 A JPH04151086 A JP H04151086A
- Authority
- JP
- Japan
- Prior art keywords
- synthetic resin
- fire
- frame body
- expandable material
- bent
- 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
Links
- 229920003002 synthetic resin Polymers 0.000 title claims abstract description 43
- 239000000057 synthetic resin Substances 0.000 title claims abstract description 43
- 238000005192 partition Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims description 7
- 239000000463 material Substances 0.000 claims abstract description 20
- 230000002265 prevention Effects 0.000 claims description 27
- 230000035515 penetration Effects 0.000 claims description 16
- 230000009970 fire resistant effect Effects 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000006260 foam Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000004380 ashing Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
Landscapes
- Building Environments (AREA)
Abstract
Description
本発明の防火措置工法は、建物の床や壁等（区画体）の
貫通口に複数本の合成樹脂製管が貫通配置されている貫
通部を防火措置構造にするためのものである。The fire prevention construction method of the present invention is for making a penetration part in a floor, wall, etc. (compartment body) of a building into a fire prevention structure in which a plurality of synthetic resin pipes are disposed through the penetration opening.
工場、ビル等の建物では、その区画体に貫通口をあけて
給湯・給水用等の合成樹脂製管が配管されている。
建築基準法によればこのような貫通部では、第７図、第
８図のように合成樹脂製管Ｃを貫通口Ｂ内を貫通して区
画体Ａから室内へ１ｍ以上突出させた金属製スリーブＢ
内に挿入配管し、同スリーブＤの端部を第８図のように
耐火パテＥでシールして防火措置を施すことが定められ
ている。しかしながら実際はこのような貫通部ではその
近傍に他の様々な配線や配管或はダクト等が存在するた
め、前記のように金属製スリーブＤを区画体Ａから１ｍ
以上突出させることは非常に困難である。
そこで従来は第７図の如き防火措置構造に代わって第９
図の防火措置構造が開発されている。
この防火措置構造は、シート状又は帯状に成形されてい
る熱膨張性材料Ｆを第１Ｏ図のように合成樹脂製管Ｃの
外周に巻き付けて、これを貫通口Ｂ内に挿入することに
より、同合成樹脂製管Ｃと貫通口Ｂとの隙間を閉塞した
ものである。
この防火措置構造では火災が発生するとその熱や炎によ
り前記熱膨張性材料Ｆが膨張して、合成樹脂製管Ｃを外
側から押し潰す等して同樹脂管Ｃ内の炎道を閉塞し、同
時に熱膨張性材料４の断熱効果により火災の延焼を防止
するようにしたものである。BACKGROUND ART In buildings such as factories and buildings, synthetic resin pipes for hot water supply, water supply, etc. are installed through openings in the compartments. According to the Building Standards Act, in such a penetration part, as shown in Figures 7 and 8, a synthetic resin pipe C is passed through the penetration hole B and a metal pipe is made to protrude more than 1m from the compartment A into the room. Sleeve B
It is prescribed that the end of the sleeve D should be sealed with fireproof putty E as shown in Fig. 8 to provide fire prevention measures. However, in reality, there are various other wiring, piping, ducts, etc. in the vicinity of such a penetration part, so the metal sleeve D is placed 1 m from the partition A as described above.
It is extremely difficult to make it stick out more than that. Therefore, conventionally, instead of the fire prevention structure as shown in Figure 7,
The fire protection structure shown in Figure has been developed. This fire prevention structure is constructed by wrapping a thermally expandable material F in the form of a sheet or band around the outer periphery of a synthetic resin pipe C as shown in Figure 1O, and inserting this into the through hole B. The gap between the synthetic resin tube C and the through hole B is closed. In this fire prevention structure, when a fire occurs, the thermally expandable material F expands due to the heat and flame, crushing the synthetic resin tube C from the outside and blocking the flame path inside the resin tube C. At the same time, the heat insulating effect of the thermally expandable material 4 prevents the spread of fire.
しかしながら第９図の如き防火措置構造においては、貫
通口Ｂ内に合成樹脂製管Ｃが一本だけ貫通配管された場
合の施工に適するが、一般に給湯・給水用等の合成樹脂
製管は二〜四本程度を一組として配管する場合が多いの
で、このような場合の施工には不向きである。
第９図の如き防火措置構造を二本以上の合成樹脂製管Ｃ
が配管されている箇所に施工するためには、複数本の合
成樹脂製管Ｃに個別に防火措置を施工しなければならな
いので非常に手間と時間がかかり、また隣接する合成樹
脂製管Ｃの間隔が狭い場合や貫通口Ｂが狭い場合には施
工しにくいという難点もあった。However, the fire prevention structure shown in Figure 9 is suitable for construction when only one synthetic resin pipe C is installed in the through hole B, but generally two synthetic resin pipes are used for hot water supply, water supply, etc. Since piping is often installed as a set of about four pipes, it is not suitable for construction in such cases. Two or more synthetic resin pipes C with a fire prevention structure as shown in Figure 9.
In order to install fire prevention measures in areas where pipes are piped, it is necessary to individually install fire prevention measures on multiple synthetic resin pipes C, which is very time-consuming and requires a lot of effort. There is also the problem that construction is difficult when the spacing is narrow or when the through-hole B is narrow.
本発明の目的は一つの貫通口に複数本の合成樹脂製管が
貫通されている場合の施工に適し、しかも施工が容易で
、その上、耐火性の優れた防火措置構造を実現できる多
条合成樹脂製管貫通部の防火措置工法を提供することに
ある。The object of the present invention is to be suitable for construction when multiple synthetic resin pipes are penetrated through one penetration hole, to be easy to construct, and to realize a fire prevention structure with excellent fire resistance. An object of the present invention is to provide a fire prevention method for a synthetic resin pipe penetration part.
本発明の区画体における多条合成樹脂製管貫通部の防火
措置工法は第１図〜第４図のように、床や壁等の区画体
Ａの貫通口Ｂに複数本の合成樹脂製管Ｃが横一列に並べ
て貫通配管されてなる多条合成樹脂製管貫通部を形成す
るに当り、前記貫通口Ｂの外周側縁部に、同貫通口Ｂか
ら突出する前記合成樹脂製管Ｃ群の外側を囲み且つ先端
に多数の折曲げ片２が横一列に形成されている耐火性枠
体３を取付け、同枠体３の折曲げ片２を開いた状態にて
該耐火性枠体３と合成樹脂製管Ｃ群との間に予め所望形
状に成形した熱膨張性材料製成形体４を挿入充填した後
、前記折曲げ片２を同熱膨張性材料製成形体４を内包す
るように折曲げるようにしたことを特徴とするものであ
る。As shown in Figs. 1 to 4, the fire prevention method for the multi-threaded synthetic resin pipe penetration part in the partition body of the present invention is as shown in Figs. When forming a multi-striped synthetic resin pipe penetration section in which the through holes are lined up horizontally in a row, the synthetic resin pipe group C protruding from the through hole B is placed on the outer circumferential edge of the through hole B. Attach a fire-resistant frame 3 that surrounds the outside and has a large number of bent pieces 2 formed in a horizontal row at the tip, and connect the fire-resistant frame 3 with the bent pieces 2 of the frame 3 opened. After inserting and filling the molded body 4 made of a thermally expandable material formed into a desired shape between the group C of synthetic resin tubes, the bent piece 2 is inserted so as to enclose the molded body 4 made of the same thermally expandable material. It is characterized by being bendable.
本発明の多条合成樹脂製管貫通部の防火措置工法では、
貫通口Ｂの外側に合成樹脂製管Ｃを囲う耐火性枠体３を
取付けるので、その内部に熱膨張性材料製成形体４を挿
入充填し易い、しかも、折曲げ片２を開いた状態で同成
形体４を充填できるので充填作業が容易である。熱膨張
性材料製成形体４を充填した後に前記耐火性枠体の先端
の折曲げ片２を同成形体４を内包するように折曲げるの
で、耐火性枠体３内に充填された成形体４が位置ずれし
たり、型崩れしたりしない。In the fire prevention method of the present invention for penetrating parts of multi-striped synthetic resin pipes,
Since the fireproof frame 3 that surrounds the synthetic resin pipe C is attached to the outside of the through-hole B, it is easy to insert and fill the molded body 4 made of a thermally expandable material inside the frame 3, and moreover, even when the bent piece 2 is open, Since the same molded body 4 can be filled, the filling operation is easy. After the molded body 4 made of thermally expandable material is filled, the bent piece 2 at the tip of the fire-resistant frame is bent to include the molded body 4, so that the molded body filled in the fire-resistant frame 3 4 will not shift or lose its shape.
第１図〜第６図は本発明の多条合成樹脂製管貫通部の防
火措置工法の説明図である。
これらの図に示すＡは壁等の区画体、Ｂは同区画体Ａに
設けられた貫通口、Ｃは同貫通口Ｂ内に横一列に貫通配
管された複数本の合成樹脂製管である。
そして本発明では第６図に示すような耐火性枠体３を使
用して、第１図〜第４図に示すように防火措置を施す、
この耐火性枠体３は第５図に示すように金属製の帯状基
板ｌの幅方向一端に台形の折曲げ片２が横一列に形成さ
れ、幅方向他端に前記折曲げ片２よりも幅の広い台形の
取付は部Ｉ２が一連に突設されている。
そしてこの耐火性枠体３は、その帯状基板１を第６図の
ように前記貫通口Ｂの大きさに合わせて折曲げて、複数
本の合成樹脂製管Ｃ群の外側を囲み１次に前記耐火性枠
体３の第６図のように外側に折返しである取付は部１２
を第１図、第２図のように区画体Ａにあてがい、同取付
は部１２の通孔１４にビスを螺子込だり釘１３を打ち込
んだりして、同区画体Ａの貫通口Ｂの外側縁部に取付け
次に第３図のように前記耐火性枠体３内に熱膨張性材料
製成形体４を充填する。この成形体４は第１図、第２図
に示すように貫通口Ｂ内に横一列に挿入配管された複数
本の合成樹脂製管Ｃ群と前記耐火性枠体３との間の隙間
に密に充填できる大きさの板状に予め形成されている。
この熱膨張性材料としては例えばダンシールＦ（商品名
：古河電気工業株式会社製）が適する。このダンシール
Ｆは既にある程度発泡している発泡体であり、熱伝達率
が高いのでその内部の熱が速やかに伝導され易く、しか
も体積発泡率が高いので素早く大きく膨張するため、合
成樹脂製管Ｃが燃えたり溶けたりしてできた空洞が確実
に塞がれる。しかも発泡体であるので柔らかく、合成樹
脂製管Ｃの外表面に馴染み易く、また発泡後は断熱性に
富んだ灰化生成物に変化するため非常に断熱効果が高い
という利点もある。前記熱膨張性材料としては例えばフ
ォモックス（商品名：***バイエル社）やファイヤース
トップ（商品名：米国ダウ・コーニング社）などが使用
できる。
そして本発明では前記成形体４を第２図に示すように合
成樹脂製管Ｃ群の上下に二枚ずつ重ねて充填する。
次に、第２図のように前記耐火性枠体３の折曲げ片２を
前記熱膨張性材料製成形体４の外側に折曲げて同成形体
４を内包する。
以上の実施例は区画体Ａが壁の場合であるが、本発明の
防火措置工法は区画体Ａが建物の床や間仕切り或はそれ
以外の場合もある。また、前記防火措置構造は必ずしも
貫通口Ｂの両外側に施工する必要はなく、どちらか一方
にだけ施工しても十分な耐火性能が発揮される。FIGS. 1 to 6 are explanatory diagrams of the method of constructing fire prevention measures for penetrating portions of multi-striped synthetic resin pipes according to the present invention. In these figures, A is a partition such as a wall, B is a through hole provided in the partition A, and C is a plurality of synthetic resin pipes that are piped horizontally through the through hole B. . In the present invention, a fireproof frame 3 as shown in FIG. 6 is used, and fire prevention measures are taken as shown in FIGS. 1 to 4.
As shown in FIG. 5, this fireproof frame 3 has trapezoidal bent pieces 2 arranged horizontally at one end of a metal strip-shaped substrate l in the width direction, and has trapezoidal bent pieces 2 arranged horizontally at the other end than the bent pieces 2 at the other end in the width direction. In the case of a wide trapezoidal attachment, the portion I2 is provided in a series of protrusions. The fireproof frame 3 is constructed by bending the strip substrate 1 to fit the size of the through hole B as shown in FIG. As shown in FIG. 6 of the fireproof frame 3, the mounting part 12
Attach it to the compartment A as shown in Figs. Then, as shown in FIG. 3, the refractory frame 3 is filled with a molded body 4 made of thermally expandable material. As shown in FIGS. 1 and 2, this molded body 4 is inserted into the gap between the fireproof frame 3 and a group of synthetic resin pipes C inserted into the through hole B in a horizontal row. It is preformed into a plate shape large enough to be densely packed. As this thermally expandable material, for example, Danseal F (trade name: manufactured by Furukawa Electric Co., Ltd.) is suitable. This Danseal F is a foam that has already foamed to some extent, and has a high heat transfer coefficient, so the internal heat is easily conducted quickly, and its volumetric foaming rate is high, so it expands quickly and greatly. The cavity created by burning or melting will be reliably filled. Moreover, since it is a foam, it is soft and easily adapts to the outer surface of the synthetic resin pipe C, and after foaming, it changes into an ashing product with excellent heat insulation properties, so it has the advantage of having a very high heat insulation effect. As the thermally expandable material, for example, Fomox (trade name: Bayer AG, West Germany), Firestop (trade name: Dow Corning, USA), etc. can be used. In the present invention, as shown in FIG. 2, the molded bodies 4 are filled in pairs on top and bottom of the group C of synthetic resin tubes. Next, as shown in FIG. 2, the bent pieces 2 of the fireproof frame 3 are bent to the outside of the molded body 4 made of thermally expandable material to enclose the molded body 4 therein. In the above embodiments, the partitioning body A is a wall, but in the fire prevention construction method of the present invention, the partitioning body A may be a floor of a building, a partition, or something else. Further, the fire prevention structure does not necessarily need to be constructed on both sides of the through-hole B, and sufficient fire resistance performance can be achieved even if it is constructed only on either side.
本発明の区画体における多条合成樹脂製管貫通部の防火
措置工法は以下のような効果がある。
ａ１貫通口Ｂに横一列に貫通配管された合成樹脂製管Ｃ
群の外周を耐火性枠体３で囲むので、その耐火性枠体３
と合成樹脂製管Ｃ群との間に熱膨張性材料製成形体４を
充填し易い。
ｂ、熱膨張性材料製成形体４を充填してがら耐火性枠体
３の折曲げ片２を折曲げるだけで防火措置構造の施工が
完成されるので施工が容易であり、現場作業が軽減され
る。特に１貫通口Ｂに複数本の合成樹脂製管Ｃが貫通さ
れている場合の施工に適する。
Ｃ１熱膨張性材料製成形体４が火災時の熱で発泡し膨張
して１合成樹脂製管Ｃを押し潰すので、第３図のように
合成樹脂製管Ｃが溶融してできる隙間Ｉが第４図のよう
に完全に閉塞されて延焼が防止され、耐火性の優れた防
火措置構造となる。The method of fire prevention measures for the multi-thread synthetic resin pipe penetration part in the partition body of the present invention has the following effects. Synthetic resin pipe C that is passed through the a1 through hole B in a row horizontally
Since the outer periphery of the group is surrounded by a fire-resistant frame 3, the fire-resistant frame 3
It is easy to fill the molded body 4 made of a thermally expandable material between the group C and the synthetic resin tubes C. b. Construction of the fire prevention structure is completed by simply bending the bent pieces 2 of the fireproof frame 3 while filling the molded body 4 made of thermally expandable material, making construction easy and reducing on-site work. be done. It is particularly suitable for construction when a plurality of synthetic resin pipes C are passed through one through hole B. Since the molded body 4 made of thermally expandable material C1 foams and expands due to the heat of the fire and crushes the synthetic resin tube C, the gap I created by the melting of the synthetic resin tube C as shown in Fig. 3 is As shown in Fig. 4, it is completely closed to prevent the spread of fire, resulting in a fireproof structure with excellent fire resistance.
第１図は本発明の区画体における多条合成樹脂製管貫通
部の防火措置工法により施工された防火措置構造の一例
を示す縦断面図、第２図は第１図の正面図、第３図は同
防火措置構造の火災時の説明図、第４図は第３図の正面
図、第５図は同防火措置構造に使用される耐火性枠体の
展開図、第６図は同耐火性枠体の折曲げ状態を示す斜視
図、第７図は従来の区画体における合成樹脂製管貫通部
の防火措置構造の一例を示す縦断面図、第８図は第７図
の正面図、第９図は従来の区画体における合成樹脂製管
貫通部の防火措置構造の他の例を示す縦断面図、第１０
図は第９図の正面図である。
２は折曲げ片
３は耐火性枠体
４は熱膨張性材料製成形体
Ａは区画体
Ｂは貫通口
Ｃは合成樹脂製管Fig. 1 is a longitudinal sectional view showing an example of a fire prevention structure constructed by the fire prevention construction method for the multi-threaded synthetic resin pipe penetration part in the partition body of the present invention; Fig. 2 is a front view of Fig. 1; The figure is an explanatory diagram of the same fire prevention structure in the event of a fire, Figure 4 is the front view of Figure 3, Figure 5 is an exploded view of the fire resistant frame used in the fire prevention structure, and Figure 6 is the same fire resistant structure. FIG. 7 is a longitudinal sectional view showing an example of a fire prevention structure of a synthetic resin pipe penetration part in a conventional partition body; FIG. 8 is a front view of FIG. 7; FIG. 9 is a vertical sectional view showing another example of the fire prevention structure of the synthetic resin pipe penetration part in the conventional partition body;
The figure is a front view of FIG. 9. 2 is a bent piece 3 is a fireproof frame 4 is a thermally expandable material molded body A is a partition body B is a through hole C is a synthetic resin pipe
Claims (1)
Ｃが横−列に並べて貫通配管されてなる多条合成樹脂製
管貫通部を形成するに当り、前記貫通口Ｂの外周側縁部
に、同貫通口Ｂから突出する前記合成樹脂製管Ｃ群の外
側を囲み且つ先端に多数の折曲げ片２が横−列に形成さ
れている耐火性枠体３を取付け、同枠体３の折曲げ片２
を開いた状態にて該耐火性枠体３と合成樹脂製管Ｃ群と
の間に予め所望形状に成形した熱膨張性材料製成形体４
を挿入充填した後、前記耐火性枠体の折曲げ片２を同熱
膨張性材料製成形体４を内包するように折曲げるように
したことを特徴とする区画体における多条合成樹脂製管
貫通部の防火措置工法。When forming a multi-striped synthetic resin pipe penetration part in which a plurality of synthetic resin pipes C are lined up horizontally and piped through the penetration opening B of a partition A such as a floor or wall, A fire-resistant frame 3 is attached to the outer peripheral edge, surrounding the outside of the group of synthetic resin tubes C protruding from the through-hole B, and having a number of bent pieces 2 formed in horizontal rows at the tips thereof; Bent piece 2 of the same frame body 3
A molded body 4 made of a thermally expandable material previously molded into a desired shape between the fireproof frame 3 and the group C of synthetic resin tubes in an open state.
A multi-striped synthetic resin pipe in a partitioned body, characterized in that, after inserting and filling the fire-resistant frame, the bent pieces 2 of the fire-resistant frame are bent so as to enclose the molded body 4 made of the same thermally expandable material. Fire prevention method for penetration parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2274610A JPH04151086A (en) | 1990-10-12 | 1990-10-12 | Fire-proof measure applying method for through-part made of multiline synthetic resin for partition body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2274610A JPH04151086A (en) | 1990-10-12 | 1990-10-12 | Fire-proof measure applying method for through-part made of multiline synthetic resin for partition body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04151086A true JPH04151086A (en) | 1992-05-25 |
Family
ID=17544128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2274610A Pending JPH04151086A (en) | 1990-10-12 | 1990-10-12 | Fire-proof measure applying method for through-part made of multiline synthetic resin for partition body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04151086A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2457152A (en) * | 2008-02-08 | 2009-08-12 | Halton Oy | Fire safety structure |
| JP2011257001A (en) * | 2010-05-13 | 2011-12-22 | Sekisui Chem Co Ltd | Construction structure of replacement pipe and floor slab penetration piping material used for the construction structure |
| JP2012072592A (en) * | 2010-09-28 | 2012-04-12 | Sekisui Chem Co Ltd | Fire limit through part structure and construction method therefor |
| DE102013001971A1 (en) | 2012-02-06 | 2013-08-08 | Scania Cv Ab | Terminal block for use in board between electrical line system in driving cab and another electrical line system in posterior end of lorry, has edge strip arranged between sides of plate, where fire-resistant plastic frame encloses strip |
-
1990
- 1990-10-12 JP JP2274610A patent/JPH04151086A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2457152A (en) * | 2008-02-08 | 2009-08-12 | Halton Oy | Fire safety structure |
| GB2457152B (en) * | 2008-02-08 | 2012-05-30 | Halton Oy | Fire safety structure |
| JP2011257001A (en) * | 2010-05-13 | 2011-12-22 | Sekisui Chem Co Ltd | Construction structure of replacement pipe and floor slab penetration piping material used for the construction structure |
| JP2012072592A (en) * | 2010-09-28 | 2012-04-12 | Sekisui Chem Co Ltd | Fire limit through part structure and construction method therefor |
| DE102013001971A1 (en) | 2012-02-06 | 2013-08-08 | Scania Cv Ab | Terminal block for use in board between electrical line system in driving cab and another electrical line system in posterior end of lorry, has edge strip arranged between sides of plate, where fire-resistant plastic frame encloses strip |
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