JPH10140705A - Dual-purpose heat insulating member that can be used also for fireproof covering for duct for penetrating steel beam and method of constructing duct using the material - Google Patents
Dual-purpose heat insulating member that can be used also for fireproof covering for duct for penetrating steel beam and method of constructing duct using the materialInfo
- Publication number
- JPH10140705A JPH10140705A JP8304616A JP30461696A JPH10140705A JP H10140705 A JPH10140705 A JP H10140705A JP 8304616 A JP8304616 A JP 8304616A JP 30461696 A JP30461696 A JP 30461696A JP H10140705 A JPH10140705 A JP H10140705A
- Authority
- JP
- Japan
- Prior art keywords
- duct
- heat insulating
- steel beam
- insulating member
- opening
- 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
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- Building Environments (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、空気を所定の場所
に導くためのダクトを鉄骨梁に貫通させる際に用いて好
適な耐火被覆兼用のダクト断熱部材及びこれを用いたダ
クトの施工方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a duct heat insulating member which is suitable for use as a fire-resistant coating when a duct for guiding air to a predetermined place is penetrated through a steel beam, and a method of constructing a duct using the same. Things.
【０００２】[0002]
【従来の技術】一般に、空気調和設備や換気設備等にお
いては、ダクトを用いて空気を所定の場所に導く。2. Description of the Related Art In general, in air conditioning equipment and ventilation equipment, air is guided to a predetermined place using a duct.
【０００３】従来、空調用又は換気用のダクトを鉄骨梁
に貫通させる場合、予め鉄骨梁に大きめのダクト貫通用
の開口を設け、これにダクトをゆるく挿通させる。Conventionally, when a duct for air conditioning or ventilation is penetrated through a steel beam, a large duct opening is provided in advance in the steel beam, and the duct is loosely inserted through the opening.
【０００４】図５に、スラブ６を支持している鉄骨梁１
に設けた開口径Ｄの貫通開口２に直径ｄの空調用ダクト
３を通す場合を示す。鉄骨梁１には耐火被覆４が施さ
れ、ダクト３には断熱材５が被覆される。通常、鉄骨梁
用耐火被覆４はほぼ３５ｍｍ〜６５ｍｍの厚さが必要で
あり、またダクト断熱材５は厚さで２５ｍｍほど被覆す
ることが必要とされる。従って、従来の場合、鉄骨梁１
の貫通開口２の大きさ（直径Ｄ）は少なくとも、［ダク
ト外径ｄ＋（ダクト断熱材厚）×２＋（耐火被覆必要
厚）×２］だけ必要とされていた。FIG. 5 shows a steel beam 1 supporting a slab 6.
The case where the air-conditioning duct 3 having the diameter d is passed through the through-opening 2 having the opening diameter D provided in FIG. The steel beam 1 is provided with a fireproof coating 4 and the duct 3 is covered with a heat insulating material 5. Usually, the refractory coating 4 for steel beams needs to have a thickness of about 35 mm to 65 mm, and the duct heat insulating material 5 needs to be coated to a thickness of about 25 mm. Therefore, in the conventional case, the steel beam 1
Is required to be at least as large as [duct outer diameter d + (duct heat insulating material thickness) × 2 + (refractory coating required thickness) × 2].
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、従来で
は、ダクト３の外径ｄよりも［（ダクト断熱材厚）×２
＋（耐火被覆必要厚）×２］だけ常に大きな口径Ｄの貫
通開口２を設けなければならない。即ち、貫通開口２の
口径Ｄが非常に大きくなってしまい、梁鉄骨１の強度を
維持するため梁材の厚さ、せいを増したり、開口回りを
補強すること等が必要であった。However, in the prior art, the outer diameter d of the duct 3 is larger than [(duct insulation material thickness) × 2].
+ (Required thickness of refractory coating) × 2]. That is, the diameter D of the through-opening 2 becomes very large, and it is necessary to increase the thickness and the thickness of the beam material and to reinforce the periphery of the opening in order to maintain the strength of the beam steel frame 1.
【０００６】そこで、本発明の目的は、上記課題を解決
し、鉄骨梁に設ける貫通開口を従来よりも小さくするこ
とができる鉄骨梁貫通用の耐火被覆兼用ダクト断熱部材
及びこれを用いたダクトの施工方法を提供することにあ
る。SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to solve the above-mentioned problems and to provide a fire-resistant covering and duct heat insulating member for penetrating a steel beam capable of making a penetration opening provided in a steel beam smaller than before, and a duct using the same. It is to provide a construction method.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するた
め、本発明は、次のように構成したものである。Means for Solving the Problems In order to achieve the above object, the present invention is configured as follows.
【０００８】（１）請求項１に記載の鉄骨梁貫通用の耐
火被覆兼用ダクト断熱部材は、鉄骨梁の貫通開口に取り
付けられる成型材から成り、該貫通開口に通されるダク
ト周囲の断熱材として機能すると共に、該鉄骨梁の貫通
開口周りを被覆する耐火被覆材としても機能する構成の
ものである。[0008] (1) The refractory coating and duct heat insulating member for penetrating a steel beam according to claim 1 is made of a molded material attached to a through opening of the steel beam, and a heat insulating material around the duct passed through the through opening. And a function as a fireproof covering material for covering around the through opening of the steel beam.
【０００９】鉄骨梁の貫通開口の内周縁からダクトまで
の間には、耐火被覆材および断熱材として機能する成型
材から成るダクト断熱部材が存在するだけとなり、ダク
トの断熱材の厚さ分と耐火被覆の厚さ分とが、このダク
ト断熱部材で確保される形となるため、その兼用分だけ
鉄骨梁の貫通開口の口径が小さくて済むことになる。従
って、鉄骨梁の強度を維持するために、梁材の厚さや、
せいを増したり、開口回りを補強すること等が不要とな
る。[0009] Between the inner peripheral edge of the through opening of the steel beam and the duct, there is only a duct heat insulating member made of a molded material that functions as a fireproof covering material and a heat insulating material. Since the thickness of the refractory coating is secured by the duct heat insulating member, the diameter of the through-opening of the steel beam can be reduced by the combined amount. Therefore, in order to maintain the strength of the steel beam,
It is not necessary to increase the stiffness or reinforce around the opening.
【００１０】（２）請求項２に記載のダクトの施工方法
は、上記請求項１のダクト断熱部材内にダクト用継手部
材を挿通し、このダクト用継手部材にダクトを連結する
ものである。断熱材を先付けしたまたは後付けするいず
れのダクトも用いることができる。鉄骨梁の貫通開口に
はダクト断熱部材を差し込み、これに予めダクト用継手
部材を挿通して、鉄骨梁の貫通開口に簡単にダクトを通
すことができる。[0010] (2) A duct construction method according to claim 2 is to insert a duct joint member into the duct heat insulating member of claim 1 and connect the duct to the duct joint member. Either ducts with or without insulation can be used. A duct heat insulating member is inserted into the through opening of the steel beam, and a duct joint member is inserted into the duct heat insulating member in advance, so that the duct can be easily passed through the through opening of the steel beam.
【００１１】（３）請求項２に記載のダクトの施工方法
は、上記請求項１のダクト断熱部材内にダクトを挿通
し、その後ダクトの周囲に断熱材を設けるものである。
ダクト用継手部材を用いずに、単にダクトをダクト断熱
部材内に挿入するだけなので、施工がさらに簡単になる
という利点を有する。(3) According to a second aspect of the present invention, the duct is inserted into the duct heat insulating member of the first aspect, and thereafter, a heat insulating material is provided around the duct.
Since the duct is simply inserted into the duct heat insulating member without using the duct joint member, there is an advantage that the construction is further simplified.
【００１２】[0012]
【発明の実施の形態】以下、本発明の実施の形態を図面
に基づいて説明する。図１及び図２に第１の実施形態を
示す。これも図５の場合と同じく、建物のスラブ６を支
持している鉄骨梁１に空調用ダクト３を通す例であり、
同じ機能をなす要素には同一符号を付してある。Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show a first embodiment. This is also an example in which the air-conditioning duct 3 is passed through the steel beam 1 supporting the slab 6 of the building, as in the case of FIG.
Elements having the same function are denoted by the same reference numerals.
【００１３】７は鉄骨梁貫通用の耐火被覆兼用ダクト断
熱部材であり、鉄骨梁１の貫通開口２に取り付けられ
る。このダクト断熱部材７はケイ酸カルシウムやセラミ
ック系材料、ロックウール等の成型材から成り、鉄骨梁
１の貫通開口２の内側を被覆する耐火被覆材としても機
能すると共に、貫通開口２に通されるダクト３の周囲に
設けられる断熱材としても機能するようになっている。
具体的には、ダクト断熱部材７は、図２に示すように、
鉄骨梁１の貫通開口２内に差し込まれる筒部８と、その
片側端部周囲に設けられた鉄骨梁１に対する位置決め用
のフランジ部９とからなる。Numeral 7 denotes a duct heat insulating member for refractory coating for penetrating the steel beam, which is attached to the through opening 2 of the steel beam 1. The duct heat insulating member 7 is made of a molding material such as calcium silicate, a ceramic material, rock wool, or the like. The duct heat insulating member 7 also functions as a fireproof covering material for coating the inside of the through-opening 2 of the steel beam 1 and is passed through the through-opening 2. It also functions as a heat insulating material provided around the duct 3.
Specifically, as shown in FIG.
It comprises a cylindrical portion 8 inserted into the through-opening 2 of the steel beam 1 and a flange portion 9 provided around one end of the steel beam 1 for positioning the steel beam 1.
【００１４】上記鉄骨梁１の貫通開口２内に差し込まれ
たダクト断熱部材７内には、ダクト用継手部材１０が挿
通される。このダクト用継手部材１０は、図２に示すよ
うに、ダクト断熱部材７内に差し込まれる筒体１１から
成る。筒体１１の領域のうち、ダクト断熱部材７を貫通
してダクト断熱部材７の外に出ている突出部分Ａは、一
方のダクト３Ａを嵌装する連結部として機能し、また他
側の突出部分Ｂは、他方のダクト３Ｂを嵌装する連結部
として機能する。A duct joint member 10 is inserted into a duct heat insulating member 7 inserted into the through opening 2 of the steel beam 1. As shown in FIG. 2, the duct joint member 10 includes a cylindrical body 11 inserted into the duct heat insulating member 7. In the region of the cylindrical body 11, a protruding portion A that penetrates through the duct heat insulating member 7 and protrudes out of the duct heat insulating member 7 functions as a connecting portion for fitting one of the ducts 3A, and has a protrusion on the other side. The part B functions as a connecting part for fitting the other duct 3B.
【００１５】施工手順としては、鉄骨梁１の貫通開口２
内にダクト断熱部材７を差し込み、次いで、このダクト
断熱部材７内にダクト用継手部材１０を挿通する。しか
し、施工手順としては、予めダクト断熱部材７にダクト
用継手部材１０を挿通しておき、そのダクト断熱部材７
を鉄骨梁１の貫通開口２に取り付けてもよい。いずれに
せよ、鉄骨梁１の貫通開口２に取り付けたダクト断熱部
材７内にダクト用継手部材１０を挿通した状態を得る。
ダクト断熱部材７には、これを貫通開口２へ挿通した際
にこれとともに貫通開口２に通すことができる折り曲げ
可能な固定用金物１４をフランジ部９に設けておくとよ
い。鉄骨梁１にフランジ部９が当接した状態でこの固定
用金物１４を広げて折り曲げることにより、フランジ部
９との間で鉄骨梁１を挟んでダクト断熱部材７全体を鉄
骨梁１に容易に固定することができる。The construction procedure is as follows.
The duct heat insulating member 7 is inserted into the inside, and then the duct joint member 10 is inserted into the duct heat insulating member 7. However, as a construction procedure, the duct joint member 10 is inserted into the duct heat insulating member 7 in advance, and the duct heat insulating member 7 is inserted.
May be attached to the through opening 2 of the steel beam 1. In any case, a state is obtained in which the duct joint member 10 is inserted into the duct heat insulating member 7 attached to the through opening 2 of the steel beam 1.
The duct heat insulating member 7 may be provided on the flange portion 9 with a foldable fixing metal 14 that can be passed through the through opening 2 when the duct heat insulating member 7 is inserted into the through hole 2. The metal fittings 14 for fixing are spread and bent in a state where the flange portion 9 is in contact with the steel beam 1, so that the entire duct heat insulating member 7 is easily sandwiched between the flange beam 9 and the steel beam 1. Can be fixed.
【００１６】次いで、鉄骨梁１周りに耐火材を吹き付け
て耐火被覆４を施す。この耐火被覆４は鉄骨梁１のみな
らず、ダクト断熱部材７周りをも覆うように設けるとよ
い。Next, a refractory material is sprayed around the steel beam 1 to provide a refractory coating 4. The refractory coating 4 may be provided so as to cover not only the steel beam 1 but also the periphery of the duct heat insulating member 7.
【００１７】次いで、ダクト用継手部材１０の連結部
Ａ，Ｂにダクト３Ａ，３Ｂの端部を嵌装し、ダクト３
Ａ，３Ｂを相互に連結する。Next, the ends of the ducts 3A and 3B are fitted to the connecting portions A and B of the duct joint member 10, and
A and 3B are interconnected.
【００１８】その後、ダクト用継手部材１０とダクト３
Ａ，３Ｂとをビス１５で止め、さらにダクトテープ１２
で両者を接合する。Thereafter, the duct joint member 10 and the duct 3
A and 3B are fixed with screws 15 and duct tape 12
To join them together.
【００１９】次いで、ダクト３Ａ，３Ｂの断熱を施す。
このとき、外面防湿層付きの断熱材５を使用するか、あ
るいは断熱材５の外側をビニールシート等で覆って外面
防湿を施すようにする。Next, the ducts 3A and 3B are insulated.
At this time, the heat insulating material 5 with an external moisture-proof layer is used, or the outside of the heat-insulating material 5 is covered with a vinyl sheet or the like to provide the external moisture-proof.
【００２０】そしてさらに、鉄骨梁１およびダクト断熱
部材７周りに施した耐火被覆４とダクト３Ａ，３Ｂ周り
の断熱材５とのつなぎ目をダクトテープ１３でシールし
て、防湿層を維持するようにする。Further, the joint between the refractory coating 4 provided around the steel beam 1 and the duct heat insulating member 7 and the heat insulating material 5 around the ducts 3A and 3B is sealed with duct tape 13 so as to maintain the moisture-proof layer. I do.
【００２１】上記構成によれば、ダクト用継手部材１０
をダクト３の一部として見たとき、鉄骨梁１の貫通開口
２の内周縁からダクト３（ダクト用継手部材１０）まで
の間には、ケイ酸カルシウムやセラミック系材料、ロッ
クウール等の成型材から成るダクト断熱部材７が存在す
るだけとなる。即ち、ダクト３の断熱材５の厚さ分と耐
火被覆４の厚さ分とが、ダクト断熱部材７で確保される
形となるため、その兼用分だけ貫通開口２の口径が小さ
くて済むことになる。According to the above configuration, the duct joint member 10
When viewed as a part of the duct 3, the space between the inner peripheral edge of the through-opening 2 of the steel beam 1 and the duct 3 (the joint member 10 for the duct) is made of calcium silicate, ceramic material, rock wool, or the like. There is only a duct heat insulating member 7 made of a mold material. That is, since the thickness of the heat insulating material 5 of the duct 3 and the thickness of the refractory coating 4 are secured by the duct heat insulating member 7, the diameter of the through-opening 2 can be reduced by the combined amount. become.
【００２２】ここに、貫通開口２の口径の減少量の一例
について略述すると、耐火被覆４を構成する耐火材の厚
さと鉄骨梁１の耐火時間との関係は、例えばケイ酸カル
シウムの場合を例にとって説明すると、次の表１に示す
ように様になる。Here, the relationship between the thickness of the refractory material constituting the refractory coating 4 and the refractory time of the steel beam 1 is briefly described, for example, in the case of calcium silicate. For example, as shown in Table 1 below.
【００２３】[0023]
【表１】 ａは耐火材がロックウール吹き付け（半湿式）の場合で
あり、鉄骨梁１の耐火時間が１時間，２時間，３時間の
場合に必要な厚さは、３５ｍｍ，５０ｍｍ，６５ｍｍで
ある。一方、ｂは耐火材がケイ酸カルシウム（板貼り）
の場合であり、鉄骨梁１の耐火時間が１時間，２時間，
３時間の場合に必要な厚さは、２５ｍｍ，３５ｍｍ，５
０ｍｍと小さい。そして、両者の差ｃ（＝ａ−ｂ）、つ
まりロックウール吹き付け（半湿式）に替えてケイ酸カ
ルシウム（板貼り）とした場合に減少する厚さｃは、鉄
骨梁１の耐火時間を１時間，２時間，３時間とした各場
合について、それぞれ１０ｍｍ，１５ｍｍ，１５ｍｍで
ある。[Table 1] “a” is a case where the refractory material is sprayed with rock wool (semi-wet type), and the required thicknesses of the steel beam 1 when the fire resistance time is 1, 2, and 3 hours are 35 mm, 50 mm, and 65 mm. On the other hand, in b, the refractory material is calcium silicate (plated)
The fire resistance time of the steel beam 1 is 1 hour, 2 hours,
The required thickness for 3 hours is 25mm, 35mm, 5mm
It is as small as 0 mm. The difference c (= ab) between the two, that is, the thickness c that decreases when calcium silicate (plated) is used instead of rock wool spraying (semi-wet method), makes the fire resistance time of the steel beam 1 1 In each case of time, 2 hours, and 3 hours, they are 10 mm, 15 mm, and 15 mm, respectively.
【００２４】よって、貫通開口２の口径の寸法は、
［（ダクト断熱材厚がダクト部材７に置き換えられて不
要となる分）×２＋（耐火被覆必要厚が小さくなる分：
耐火材厚の差ｃ）×２］だけ小さくなり、具体的数値と
しては、［（ダクト断熱材厚：２５ｍｍ）×２＋（耐火
材厚の差ｃ：１０〜１５ｍｍ）×２］だけ、つまり約７
０〜８０ｍｍ小さくなる。Therefore, the size of the diameter of the through opening 2 is
[(The thickness of the duct heat insulating material becomes unnecessary by being replaced by the duct member 7) × 2 + (the amount by which the required thickness of the fireproof coating is reduced:
Refractory material thickness difference c) × 2], and the specific numerical value is [(duct insulation material thickness: 25 mm) × 2 + (refractory material thickness difference c: 10 to 15 mm) × 2], that is, about 7
0 to 80 mm smaller.
【００２５】上記厚さの具体的数値については、耐火被
覆施工箇所の広さが狭ければ狭いほど、また材料の選定
により、さらに薄く設定することが可能である。The specific numerical value of the thickness can be set thinner as the area of the refractory coating is narrower and the material is selected.
【００２６】図３は、フランジ部９を端部に寄せて形成
したダクト断熱部材７の変形例である。施工の手順は上
記図１の場合と同じである。FIG. 3 shows a modified example of the duct heat insulating member 7 formed by moving the flange 9 to the end. The construction procedure is the same as in the case of FIG.
【００２７】図４は他の実施形態を示す。これは鉄骨梁
１の貫通開口２に、上記の鉄骨梁貫通用の耐火被覆兼用
ダクト断熱部材７を取り付け、このダクト断熱部材７に
ダクト３を通し、その後ダクト３の周囲に断熱材５を設
けるダクト施工方法である。この施工方法の特徴はダク
ト３の周囲に断熱材５を後付けで設ける点にあり、ダク
ト用継手部材１０を用いずに、単にダクト３をダクト断
熱部材７内に挿入するだけなので、施工がさらに簡単に
なるという利点が得られる。FIG. 4 shows another embodiment. In this method, the above-mentioned refractory coating / duct heat insulating member 7 for penetrating the steel beam is attached to the through opening 2 of the steel beam 1, the duct 3 is passed through the duct heat insulating member 7, and then the heat insulating material 5 is provided around the duct 3. Duct construction method. The feature of this construction method is that the heat insulating material 5 is provided afterward around the duct 3, and the duct 3 is simply inserted into the duct heat insulating member 7 without using the duct joint member 10. The advantage of simplicity is obtained.
【００２８】この実施形態においても、鉄骨梁１の貫通
開口２の内周縁からダクト３までの間には、ケイ酸カル
シウムやセラミック系材料、ロックウール等の成型材か
ら成るダクト断熱部材７が存在するだけとなり、ダクト
３の断熱材５の厚さ分と耐火被覆４の厚さ分とがダクト
断熱部材７で兼用される形となるため、貫通開口２の口
径が小さくて済むことになる。Also in this embodiment, between the inner peripheral edge of the through-opening 2 of the steel beam 1 and the duct 3, there is a duct heat insulating member 7 made of a molding material such as calcium silicate, a ceramic material, rock wool or the like. Since the thickness of the heat insulating material 5 of the duct 3 and the thickness of the refractory coating 4 are shared by the duct heat insulating member 7, the diameter of the through-opening 2 can be small.
【００２９】[0029]
【発明の効果】以上説明したように本発明によれば、次
のような優れた効果が得られる。As described above, according to the present invention, the following excellent effects can be obtained.
【００３０】（１）請求項１に記載の鉄骨梁貫通用の耐
火被覆兼用ダクト断熱部材によれば、鉄骨梁の貫通開口
の内周縁からダクトまでの間には、耐火被覆材および断
熱材として機能する成型材から成るダクト断熱部材が存
在するだけとなり、ダクトの断熱材の厚さ分と耐火被覆
の厚さ分とが、このダクト断熱部材で確保される形とな
るため、その兼用分だけ鉄骨梁の貫通開口の口径が小さ
くて済むことになる。従って、鉄骨梁の強度を維持する
ために、梁材の厚さや、せいを増したり、開口回りを補
強すること等が不要となり、鉄骨梁を経済的に設計する
ことが可能となる。(1) According to the first aspect of the present invention, there is provided a fireproof covering and duct heat insulating member for penetrating a steel beam, between the inner peripheral edge of the through opening of the steel beam and the duct, as a fireproof covering material and a heat insulating material. There is only a duct heat insulating member made of a functional molding material, and the thickness of the duct heat insulating material and the thickness of the fireproof coating are secured by this duct heat insulating member. The diameter of the through-opening of the steel beam can be small. Therefore, in order to maintain the strength of the steel beam, it is not necessary to increase the thickness and the thickness of the beam material, or to reinforce around the opening, and the steel beam can be economically designed.
【００３１】（２）請求項２に記載のダクトの施工方法
によれば、上記請求項１のダクト断熱部材内にダクト用
継手部材を挿通し、このダクト用継手部材にダクトを連
結するので、断熱材を先付け若しくは後付けするいずれ
のダクトも用いることができると共に、鉄骨梁の貫通開
口にはダクト断熱部材を差し込み、これに予めダクト用
継手部材を挿通して、鉄骨梁の貫通開口に簡単にダクト
を通すことができる。(2) According to the duct construction method of the second aspect, the duct joint member is inserted into the duct heat insulating member of the first aspect, and the duct is connected to the duct joint member. Either a duct for pre-attaching or post-insulating insulation can be used.In addition, a duct heat insulating member is inserted into the through opening of the steel beam, and a duct joint member is inserted through the duct in advance to easily insert the duct into the through opening of the steel beam. Can be passed through a duct.
【００３２】（３）請求項３に記載のダクトの施工方法
によれば、上記請求項１のダクト断熱部材内にダクトを
挿通し、その後ダクトの周囲に断熱材を設けるものであ
るため、ダクト用継手部材を用いずに、単にダクトをダ
クト断熱部材内に挿入するだけでよく、施工がさらに簡
単になるという利点を有する。(3) According to the duct construction method of the third aspect, the duct is inserted into the duct heat insulating member of the first aspect, and thereafter the heat insulating material is provided around the duct. It is only necessary to simply insert the duct into the duct heat insulating member without using the joint member, and there is an advantage that the construction is further simplified.
【図１】本発明の鉄骨梁貫通用の耐火被覆兼用ダクト断
熱部材及びこれを用いたダクトの施工方法の一実施形態
を示した断面図である。FIG. 1 is a cross-sectional view showing an embodiment of a duct heat insulating member that also serves as a fireproof coating for penetrating a steel beam and a method of constructing a duct using the same according to the present invention.
【図２】図１で用いたダクト断熱部材及びダクト用継手
部材を示した斜視図である。FIG. 2 is a perspective view showing a duct heat insulating member and a duct joint member used in FIG.
【図３】図１で用いたダクト断熱部材の変形例を示した
図である。FIG. 3 is a view showing a modified example of the duct heat insulating member used in FIG.
【図４】本発明の施工方法の他の実施形態を示した断面
図である。FIG. 4 is a sectional view showing another embodiment of the construction method of the present invention.
【図５】従来の施工方法を示した図である。FIG. 5 is a view showing a conventional construction method.
１ 鉄骨梁 ２ 貫通開口 ３ ダクト ４ 耐火被覆 ５ 断熱材 ６ スラブ ７ ダクト断熱部材 ８ 筒部 ９ フランジ部 １０ ダクト用継手部材 １１ 筒体 REFERENCE SIGNS LIST 1 steel beam 2 through opening 3 duct 4 fireproof coating 5 heat insulating material 6 slab 7 duct heat insulating member 8 tube portion 9 flange portion 10 duct joint member 11 tube
───────────────────────────────────────────────────── フロントページの続き (72)発明者 磯崎 日出雄 東京都千代田区神田司町２丁目３番地 株 式会社大林組東京本社内 (72)発明者 大石 晶彦 東京都千代田区神田司町２丁目３番地 株 式会社大林組東京本社内 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hideo Isozaki 2-3-3 Kandaji-cho, Chiyoda-ku, Tokyo Tokyo, Japan Obayashi-gumi Tokyo Head Office (72) Inventor Akihiko Oishi 2-3-3 Kandaji-cho, Chiyoda-ku, Tokyo Obayashi Corporation Tokyo Head Office
Claims (3)
材から成り、該貫通開口に通されるダクト周囲の断熱材
として機能すると共に、該鉄骨梁の貫通開口周りを被覆
する耐火被覆材としても機能する鉄骨梁貫通用の耐火被
覆兼用ダクト断熱部材。1. A molded material attached to a through-opening of a steel beam, which functions as a heat insulating material around a duct passed through the through-opening, and also as a fire-resistant coating material for covering around the through-opening of the steel beam. A functioning fire insulation and duct insulation member for penetrating steel beams.
ト用継手部材を挿通し、このダクト用継手部材にダクト
を連結することを特徴とするダクトの施工方法。2. A method for constructing a duct, comprising: inserting a duct joint member into the duct heat insulating member according to claim 1; and connecting the duct to the duct joint member.
トを挿通し、その後ダクトの周囲に断熱材を設けること
を特徴とするダクトの施工方法。3. A method for constructing a duct, comprising: inserting a duct into the duct heat insulating member according to claim 1; and thereafter providing a heat insulating material around the duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8304616A JPH10140705A (en) | 1996-11-15 | 1996-11-15 | Dual-purpose heat insulating member that can be used also for fireproof covering for duct for penetrating steel beam and method of constructing duct using the material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8304616A JPH10140705A (en) | 1996-11-15 | 1996-11-15 | Dual-purpose heat insulating member that can be used also for fireproof covering for duct for penetrating steel beam and method of constructing duct using the material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10140705A true JPH10140705A (en) | 1998-05-26 |
Family
ID=17935169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8304616A Pending JPH10140705A (en) | 1996-11-15 | 1996-11-15 | Dual-purpose heat insulating member that can be used also for fireproof covering for duct for penetrating steel beam and method of constructing duct using the material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10140705A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009150210A (en) * | 2007-11-28 | 2009-07-09 | Shimizu Corp | Fire-proof covering member for through-hole of steel-frame beam |
| JP2010037760A (en) * | 2008-08-01 | 2010-02-18 | Shimizu Corp | Installation structure of duct and fireproof coating member into steel beam through-hole |
| JP2014020054A (en) * | 2012-07-13 | 2014-02-03 | Ohbayashi Corp | Fire-resistive structure |
| JP2014020053A (en) * | 2012-07-13 | 2014-02-03 | Ohbayashi Corp | Fire-resistive covering structure |
| JP2014020051A (en) * | 2012-07-13 | 2014-02-03 | Ohbayashi Corp | Fire-resistive covering structure and fire-resistive covering method for structural member |
| JP2014020052A (en) * | 2012-07-13 | 2014-02-03 | Ohbayashi Corp | Fire-resistive covering structure |
| JP2015036489A (en) * | 2013-08-13 | 2015-02-23 | 大和ハウス工業株式会社 | Fire resistive covering structure at penetration part of shaped steel joist |
| JP2016183508A (en) * | 2015-03-26 | 2016-10-20 | 積水化学工業株式会社 | Fireproof structure for beam |
| JP2018145687A (en) * | 2017-03-06 | 2018-09-20 | 株式会社竹中工務店 | Fire resistant structure and construction method of fire resistant structure |
| CN109538834A (en) * | 2019-01-28 | 2019-03-29 | 中国能源建设集团广东省电力设计研究院有限公司 | The fire proof construction and proof assembl of converter transformer bushings |
| JP2020073759A (en) * | 2019-10-09 | 2020-05-14 | 株式会社エフコンサルタント | Coating structure |
| JP2021004548A (en) * | 2019-10-09 | 2021-01-14 | 株式会社エフコンサルタント | Coating structure |
-
1996
- 1996-11-15 JP JP8304616A patent/JPH10140705A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009150210A (en) * | 2007-11-28 | 2009-07-09 | Shimizu Corp | Fire-proof covering member for through-hole of steel-frame beam |
| JP2010037760A (en) * | 2008-08-01 | 2010-02-18 | Shimizu Corp | Installation structure of duct and fireproof coating member into steel beam through-hole |
| JP2014020054A (en) * | 2012-07-13 | 2014-02-03 | Ohbayashi Corp | Fire-resistive structure |
| JP2014020053A (en) * | 2012-07-13 | 2014-02-03 | Ohbayashi Corp | Fire-resistive covering structure |
| JP2014020051A (en) * | 2012-07-13 | 2014-02-03 | Ohbayashi Corp | Fire-resistive covering structure and fire-resistive covering method for structural member |
| JP2014020052A (en) * | 2012-07-13 | 2014-02-03 | Ohbayashi Corp | Fire-resistive covering structure |
| JP2015036489A (en) * | 2013-08-13 | 2015-02-23 | 大和ハウス工業株式会社 | Fire resistive covering structure at penetration part of shaped steel joist |
| JP2016183508A (en) * | 2015-03-26 | 2016-10-20 | 積水化学工業株式会社 | Fireproof structure for beam |
| JP2018145687A (en) * | 2017-03-06 | 2018-09-20 | 株式会社竹中工務店 | Fire resistant structure and construction method of fire resistant structure |
| CN109538834A (en) * | 2019-01-28 | 2019-03-29 | 中国能源建设集团广东省电力设计研究院有限公司 | The fire proof construction and proof assembl of converter transformer bushings |
| JP2020073759A (en) * | 2019-10-09 | 2020-05-14 | 株式会社エフコンサルタント | Coating structure |
| JP2021004548A (en) * | 2019-10-09 | 2021-01-14 | 株式会社エフコンサルタント | Coating structure |
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