JP2020016030A - Fire-resistant coating structure for steel beam - Google Patents

Fire-resistant coating structure for steel beam Download PDF

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JP2020016030A
JP2020016030A JP2018137801A JP2018137801A JP2020016030A JP 2020016030 A JP2020016030 A JP 2020016030A JP 2018137801 A JP2018137801 A JP 2018137801A JP 2018137801 A JP2018137801 A JP 2018137801A JP 2020016030 A JP2020016030 A JP 2020016030A
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fire
steel beam
paint
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JP7125297B2 (en
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正寿 中村
Masatoshi Nakamura
正寿 中村
真太郎 道越
Shintaro Michikoshi
真太郎 道越
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Taisei Corp
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Abstract

To provide a novel fire-resistant coating structure easily facilitating construction.SOLUTION: A fire-resistant coating structure of a steel beam has a steel beam, a fire-resistant coating applied to a part of the steel beam, and a winding fire-resistant material arranged to cover at least a part of the fire-resistant coating on a portion of the steel beam to which the fire-resistant coating is not applied.SELECTED DRAWING: Figure 1

Description

本発明は、鉄骨梁、特に鉄骨梁の接合部の新規な耐火被覆構造に関する。   TECHNICAL FIELD The present invention relates to a novel fire-resistant covering structure for steel beams, particularly for joints of steel beams.

耐火建築物の鉄骨梁は、建築基準法第２条第７号、第２条第９号の２、建築基準法施行令第１０７条、第１０８条の３により、火災による熱が加わった場合に構造耐力上支障のある変形、溶融、破壊その他の損壊を生じないことが要求されており、この要求を満たすために鉄骨梁を耐火被覆で被覆することが広く行われている。
鉄骨梁の耐火被覆の一つとして、熱膨張性（発泡性）耐火材である耐火塗料が用いられている。耐火塗料は、鉄骨梁表面に塗工され、平時には膜状であるが、火災時等に所定の温度以上に曝されることにより熱膨張・発泡して耐火断熱層を形成して鉄骨梁を保護するものである。 When the steel beam of fire-resistant building is heated by fire due to the Building Standard Law Article 2, Item 7, Article 2, Item 9-2, Building Standard Law Enforcement Order Article 107, Article 108-3 It is required not to cause deformation, melting, destruction and other damages that cause a problem in structural strength, and in order to satisfy this requirement, it is widely practiced to coat a steel beam with a fireproof coating.
As one of the fire-resistant coatings on steel beams, a fire-resistant paint, which is a heat-expandable (foamable) fire-resistant material, is used. The fire-resistant paint is applied to the surface of the steel beam and is in a film form at normal times, but is exposed to a predetermined temperature or more in a fire or the like, and thermally expands and foams to form a fire-resistant heat-insulating layer, thereby forming the steel beam. To protect.

通常、耐火被覆は、建て方完了後に施工されるが、耐火塗料は、損傷しても損傷部分を塗り直すだけで補修することができるため、予め工場等で施工することができる。耐火塗料を工場施工することにより、施工管理、品質確保が容易となり、また、現場での省力化が可能となる。
しかし、鉄骨梁の他の部材と接合される接合部は、耐火塗料を工場施工することはできず、建て方完了後に、耐火被覆で被覆する必要がある。建て方完了後に接合部を耐火塗料で被覆する方法として、コテ塗りはボルト接合部等の凹凸が大きい部分では手間がかかり、また、スプレー塗工は接合部が点々と存在するため機材の運搬、取り回しが煩雑である。 Usually, the refractory coating is applied after completion of the erecting method. However, the refractory paint can be repaired by simply repainting the damaged portion even if it is damaged. Construction of the refractory paint in the factory facilitates construction management and quality assurance, and also enables labor saving on site.
However, the joints to be joined to other members of the steel beam cannot be made of fire-resistant paint at the factory, and need to be covered with a fire-resistant coating after the construction is completed. As a method of coating the joint with fireproof paint after completion of construction, ironing takes time in parts with large irregularities such as bolt joints, and spray coating requires transport of equipment because joints are dotted, The handling is complicated.

施工が容易な新規な耐火被覆構造を提供することを課題とする。   An object of the present invention is to provide a new fire-resistant coating structure that is easy to perform.

本発明の課題を解決するための手段は、以下のとおりである。
１．鉄骨梁と、
前記鉄骨梁の一部に塗工された耐火塗料と、
前記鉄骨梁の前記耐火塗料が塗工されていない部分に、前記耐火塗料の少なくとも一部を覆うように配設された巻付け耐火材とを有することを特徴とする鉄骨梁の耐火被覆構造。
２．前記巻付け耐火材が、前記耐火塗料との重複部において、端部側から伸びる切れ目を備えることを特徴とする１．に記載の耐火被覆構造。
３．前記切れ目が、巻き付け耐火材の出隅部に設けられていることを特徴とする２．に記載の耐火被覆構造。
４．前記切れ目の上に、熱消失性部材を有することを特徴とする２．または３．に記載の耐火被覆構造。 Means for solving the problems of the present invention are as follows.
1. Steel beams,
Fire-resistant paint applied to part of the steel beam,
A refractory coating structure for a steel beam, comprising: a refractory material wound around a portion of the steel beam not coated with the refractory paint so as to cover at least a part of the refractory paint.
2. The wound refractory material has a cut extending from an end portion at an overlapping portion with the refractory paint. 3. The fire-resistant coating structure according to claim 1.
3. 1. The cut is provided at a protruding corner of the wound refractory material. 3. The fire-resistant coating structure according to claim 1.
4. 1. A heat dissipation member is provided on the cut. Or 3. 3. The fire-resistant coating structure according to claim 1.

本発明の耐火被覆構造は、工場等で耐火塗料を塗工した鉄骨梁を用いることができるため、施工管理、品質管理が容易である。また、耐火塗料が塗工されていない部分には巻付け耐火材で被覆し、必要に応じて切れ目を設けるだけで施工することができるため、現場での作業の省力化・省人化と、工期の短縮が可能である。巻付け耐火材に切れ目を設けることにより、裏側から耐火塗料が膨張しても、巻付け耐火材が捲れるように変形することができるため、時間差で生じる膨張断熱層の干渉が生じにくく、必要な耐火被覆厚を満足することができる。切れ目を巻付け耐火材の出隅部に設けることで、さらに巻付け耐火材を変形しやすくすることができる。
切れ目の上に熱消失性部材を設け、巻付け耐火材の捲れを防ぐことにより、天井内の設備工事の際に巻付け耐火材が邪魔にならず、巻付け耐火材の破損を防ぐことができる。また、火災時に熱消失性部材は耐火塗料の膨張に先立って速やかに消失するため、耐火塗料の膨張の障害となることはない。 Since the fire-resistant coating structure of the present invention can use a steel beam coated with a fire-resistant paint in a factory or the like, construction management and quality control are easy. In addition, parts that are not coated with fire-resistant paint can be covered with wrapped fire-resistant material, and can be constructed simply by making cuts as necessary. The construction period can be shortened. By providing a cut in the wound refractory material, even if the refractory paint expands from the back side, it can be deformed so that the wound refractory material is turned over, so that the interference of the expanded heat insulating layer caused by the time difference hardly occurs, which is necessary. A high refractory coating thickness. By providing the cut in the protruding corner of the wound refractory material, the wound refractory material can be further easily deformed.
By providing a heat-dissipating member on the cut to prevent the wound refractory material from being turned up, the refractory material does not interfere with the construction of equipment inside the ceiling, preventing damage to the refractory material. it can. Further, at the time of fire, the heat-dissipating member disappears immediately prior to the expansion of the fire-resistant paint, so that it does not hinder the expansion of the fire-resistant paint.

一実施態様である耐火被覆構造の概略図。FIG. 1 is a schematic view of a fire-resistant coating structure according to one embodiment. 一実施態様である耐火被覆構造の火災時の挙動を示す図。The figure which shows the behavior at the time of fire of the refractory coating structure which is one Embodiment.

本発明は、鉄骨梁と、この鉄骨梁の一部に塗工された耐火塗料と、この鉄骨梁の耐火塗料が塗工されていない部分に、耐火塗料の少なくとも一部を覆うように配設された巻付け耐火材とを有する鉄骨梁の耐火被覆構造に関する。   The present invention provides a steel beam, a fire-resistant paint applied to a part of the steel beam, and a portion of the steel beam to which the fire-resistant paint is not applied so as to cover at least a part of the fire-resistant paint. The present invention relates to a fireproof covering structure for a steel beam having a wound refractory material wound thereon.

本発明の耐火被覆構造の一実施態様の概略図を図１に示す。なお、図１に示す耐火被覆構造は一実施態様に過ぎず、本発明の耐火被覆構造はこれに限定されない。
「鉄骨梁」
鉄骨梁１は、水平方向に対向する上側フランジと下側フランジと、上側フランジと下側フランジとを連結するウェブとからなる。鉄骨梁１は、建築構造物の床を構成する床スラブ４を支えており、上側フランジ上に床スラブ４が設けられる。本発明において、鉄骨梁は、普及しているものを適宜用いることができる。 FIG. 1 is a schematic view of one embodiment of the fire-resistant coating structure of the present invention. Note that the fire-resistant coating structure shown in FIG. 1 is merely an embodiment, and the fire-resistant coating structure of the present invention is not limited to this.
`` Steel beam ''
The steel beam 1 is composed of an upper flange and a lower flange facing each other in the horizontal direction, and a web connecting the upper flange and the lower flange. The steel beam 1 supports a floor slab 4 constituting a floor of a building structure, and the floor slab 4 is provided on an upper flange. In the present invention, widely used steel beams can be used as appropriate.

「耐火塗料」
一実施態様である耐火被覆構造において、鉄骨梁１の一部には、耐火塗料２が塗工されている。耐火塗料２は、工場等で建て方前に塗工することが好ましいが、現場での建て方後に塗工することもできる。耐火塗料は、特に制限することなく使用することができ、例えば、日本インシュレーション株式会社製、商品名「タイカベール」、エスケー化研株式会社製、商品名「ＳＫタイカコート」、日本ペイント株式会社製、商品名「タイカリット」、菊水化学工業株式会社製、商品名「ウェスタ」、英国Ｎｕｌｌｉｆｉｒｅ社製、商品名「Ｎｕｌｌｉｆｉｒｅ（ナリファイア）」等を用いることができる。 "Fireproof paint"
In the fire-resistant coating structure according to one embodiment, a part of the steel beam 1 is coated with a fire-resistant paint 2. The refractory paint 2 is preferably applied before building at a factory or the like, but may be applied after building at the site. The fire-resistant paint can be used without particular limitation, for example, manufactured by Nippon Insulation Co., Ltd., trade name "Taikavale", manufactured by SK Kaken Co., Ltd., trade name "SK Taikacoat", manufactured by Nippon Paint Co., Ltd., "Taikarito" (trade name), manufactured by Kikusui Chemical Industry Co., Ltd., "Wester" (trade name), "Nullifire" (trade name, manufactured by Nullfire, UK), and the like can be used.

「巻付け耐火材」
巻付け耐火材３は、鉄骨梁１の耐火塗料２が塗工されていない部分を被覆する。巻付け耐火材３は、火災時に鉄骨梁１の耐火被覆に隙間が生じないように、耐火塗料２の少なくとも一部を覆うように配設される。巻付け耐火材３は、特に制限することなく使用することができ、例えば、ニチアス株式会社製、商品名「マキベエ」等を用いることができる。巻付け耐火材の鉄骨梁への固定方法は特に制限されないが、通常は、溶接ピンにより固定される。
なお、本明細書において、耐火塗料の巻付け耐火材に被覆された部分を被覆部、巻付け耐火材に被覆されていない部分を露出部という。 "Wound refractory material"
The wound refractory material 3 covers a portion of the steel beam 1 where the refractory paint 2 is not applied. The wound refractory material 3 is provided so as to cover at least a part of the refractory paint 2 so that no gap is formed in the refractory coating of the steel beam 1 in a fire. The wound refractory material 3 can be used without any particular limitation. For example, "Makibee" (trade name) manufactured by Nichias Corporation can be used. The method of fixing the wound refractory material to the steel beam is not particularly limited, but is usually fixed by a welding pin.
In this specification, the portion covered with the refractory material wound with the refractory paint is referred to as a covering portion, and the portion not covered with the refractory material is referred to as an exposed portion.

一実施態様である耐火被覆構造において、巻付け耐火材３は、耐火塗料２との重複部分の出隅部に、端部側から伸びる切れ目３１を備える。切れ目３１により、耐火塗料２の被覆部が火災時に膨張しても、巻付け耐火材３はこの膨張に合わせて変形することができ、耐火塗料２の膨張を阻害しないため、必要な耐火被覆厚を維持することができる。   In the fire-resistant coating structure according to one embodiment, the wound refractory material 3 includes a cut 31 extending from an end portion at a protruding corner of an overlapping portion with the fire-resistant paint 2. Even if the coating portion of the refractory paint 2 expands in the event of a fire due to the cut 31, the wound refractory material 3 can be deformed in accordance with the expansion and does not hinder the expansion of the refractory paint 2. Can be maintained.

「熱消失性部材」
一実施態様である巻付け耐火材３は、端部側から伸びる切れ目３１を有するため、そのままでは端部が重力等により捲れてしまう場合がある。この場合、実際には耐火性能に問題はないが、巻付け耐火材が捲れた部分は、天井内の設備工事の際に邪魔になったり、接触して破損することが心配される。
そのため、一実施態様である耐火被覆構造が示すように、熱消失性部材５を切れ目３１の上に設け、切れ目３１の両側に固定することにより、巻付け耐火材３の捲れを防ぐことができる。熱消失性部材は、火災時に燃焼、溶融等して消失する材料であれば特に制限することなく使用することができ、紙やプラスチックフィルム等を基材とする粘着テープ、厚紙、ダンボール紙、プラスチック板等からなる断面略コの字状の固定枠等を用いることができる。 "Heat-dissipating members"
Since the wound refractory material 3 according to one embodiment has the cut 31 extending from the end portion side, the end portion may be turned up by gravity or the like as it is. In this case, there is actually no problem with the fire resistance performance, but there is a concern that the portion where the wound refractory material has been turned may be obstructed during the installation of equipment in the ceiling or may be damaged by contact.
Therefore, as shown in the fire-resistant coating structure according to one embodiment, the heat-dissipating member 5 is provided on the cut 31 and is fixed to both sides of the cut 31, so that the wound refractory material 3 can be prevented from being turned. . The heat-dissipating member can be used without any particular limitation as long as it is a material that disappears by burning, melting, etc. in the event of a fire. For example, an adhesive tape, cardboard, cardboard, plastic made of paper or a plastic film, etc. A substantially U-shaped fixed frame made of a plate or the like can be used.

本発明の耐火被覆構造の施工箇所は特に制限されないが、建て方前に工場等で耐火塗料を塗工し、建て方完了後に巻き付け耐火材を施工することが、現場での省力化の点から好ましい。そのため、耐火塗料を他の部材との接合に用いない一般部に塗工し、巻付け耐火材を他の部材との接合に用いる接合部に配設することが好ましい。   Although the construction location of the fire-resistant coating structure of the present invention is not particularly limited, it is possible to apply a fire-resistant paint at a factory or the like before the construction, and to wind the refractory material after the completion of the construction, from the viewpoint of labor saving on site. preferable. Therefore, it is preferable to apply the refractory paint to a general portion not used for joining with another member, and to arrange the wound refractory material at the joining portion used for joining with another member.

「火災時の挙動」
一実施態様である耐火被覆構造の火災時の挙動を図２に示す。
火災初期に、耐火被覆構造に熱が加わると、耐火塗料２の露出部が膨張し、膨張断熱層２１が生じる。耐火塗料２の被覆部は、露出部よりも温度上昇が遅いため、この段階では膨張しない。また、熱消失性部材５は、火災の最初期に燃焼または溶融して消失する。
さらに火災が進むと、耐火塗料２の被覆部まで熱が到達して、膨張断熱層２１が生じる。この際、巻付け耐火材３は、切れ目３１が開いて捲れるように変形することができるため、耐火塗料の膨張を阻害しない。さらに、露出部から先に膨張した膨張断熱層と、被覆部から遅れて膨張した膨張断熱層とが干渉しないため、膨張断熱層の損傷・脱落を防ぐことができる。そのため、一実施態様である耐火被覆構造は、膨張断熱層２１の損傷を防ぐことができ、必要な耐火被覆厚を維持することができる。 "Fire Behavior"
FIG. 2 shows the behavior of the fire-resistant coating structure according to one embodiment at the time of fire.
When heat is applied to the fire-resistant coating structure in the early stage of the fire, the exposed portion of the fire-resistant paint 2 expands, and an expanded heat insulating layer 21 is generated. Since the temperature rise of the coating part of the refractory paint 2 is slower than that of the exposed part, it does not expand at this stage. The heat dissipating member 5 burns or melts and disappears in the first stage of the fire.
When the fire further progresses, the heat reaches the coating portion of the refractory paint 2 and the expanded heat insulating layer 21 is generated. At this time, since the wound refractory material 3 can be deformed so that the cut 31 is opened and turned up, it does not hinder the expansion of the refractory paint. Further, since the expanded heat insulating layer that has expanded first from the exposed portion and the expanded heat insulating layer that has expanded late from the covering portion do not interfere with each other, it is possible to prevent the expansion heat insulating layer from being damaged or dropped. Therefore, the fire-resistant coating structure according to one embodiment can prevent damage to the expanded heat-insulating layer 21 and maintain a required thickness of the fire-resistant coating.

本発明の耐火被覆構造は、上記した一実施態様に限定されない。
例えば、耐火塗料の発泡厚が小さい場合には、巻付け耐火材に切れ目を設ける必要がない。巻付け耐火材は、柔軟性を有し、膨張を吸収するように塗工面に垂直方向に変形することが可能であるため、耐火塗料の発泡厚が小さい場合は、膨張に合わせて広がることにより、先に膨張した膨張断熱層と遅れて膨張した膨張断熱層との干渉を抑え、必要な耐火被覆厚を満足することができる。 The fire-resistant coating structure of the present invention is not limited to the above embodiment.
For example, when the foam thickness of the refractory paint is small, it is not necessary to make a cut in the wound refractory material. Since the refractory wound material has flexibility and can be deformed in the direction perpendicular to the coating surface so as to absorb the expansion, when the foam thickness of the refractory paint is small, it spreads according to the expansion. In addition, interference between the expanded heat insulating layer that has expanded first and the heat insulating layer that has expanded late can be suppressed, and the required fireproof coating thickness can be satisfied.

１ 鉄骨梁
２ 耐火塗料
２１ 膨張断熱層
３ 巻付け耐火材
３１ 切れ目
４ 床スラブ
５ 熱消失性部材 REFERENCE SIGNS LIST 1 steel beam 2 fireproof paint 21 expansive heat insulating layer 3 wound fireproof material 31 cut 4 floor slab 5 heat dissipation member

Claims (4)

鉄骨梁と、
前記鉄骨梁の一部に塗工された耐火塗料と、
前記鉄骨梁の前記耐火塗料が塗工されていない部分に、前記耐火塗料の少なくとも一部を覆うように配設された巻付け耐火材とを有することを特徴とする鉄骨梁の耐火被覆構造。 Steel beams,
Fire-resistant paint applied to part of the steel beam,
A refractory coating structure for a steel beam, comprising: a refractory material wound around a portion of the steel beam not coated with the refractory paint so as to cover at least a part of the refractory paint. 前記巻付け耐火材が、前記耐火塗料との重複部において、端部側から伸びる切れ目を備えることを特徴とする請求項１に記載の耐火被覆構造。   2. The fire-resistant coating structure according to claim 1, wherein the wound refractory material has a cut extending from an end portion in an overlapping portion with the fire-resistant paint. 3. 前記切れ目が、巻き付け耐火材の出隅部に設けられていることを特徴とする請求項２に記載の耐火被覆構造。   The fireproof covering structure according to claim 2, wherein the cut is provided at a protruding corner of the wound fireproof material. 前記切れ目の上に、熱消失性部材を有することを特徴とする請求項２または３に記載の耐火被覆構造。   The fire-resistant coating structure according to claim 2 or 3, further comprising a heat dissipation member on the cut.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020139343A (en) * 2019-02-28 2020-09-03 清水建設株式会社 Fire resistant cover structure
JP2020143528A (en) * 2019-03-07 2020-09-10 清水建設株式会社 Fireproof coating structure
JP2020172808A (en) * 2019-04-11 2020-10-22 清水建設株式会社 Fireproof coating structure
JP7446855B2 (en) 2020-03-02 2024-03-11 清水建設株式会社 Fireproof coating structure and its construction method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01210544A (en) * 1988-02-16 1989-08-24 Kajima Corp Fire-proof covering construction
JPH10266397A (en) * 1997-03-28 1998-10-06 Nippon Cement Co Ltd Fire resistance covering structure
JP2006002534A (en) * 2004-06-21 2006-01-05 Kikusui Chemical Industries Co Ltd Fire-resistant coating and its construction method
JP2014169610A (en) * 2013-03-05 2014-09-18 F Consultant:Kk Coating structure
JP2017108876A (en) * 2015-12-16 2017-06-22 因幡電機産業株式会社 Fireproof sheet, penetration structure of building fireproof compartment, and construction method of fireproof material
JP2017128844A (en) * 2016-01-18 2017-07-27 大成建設株式会社 Fireproof steel beam

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01210544A (en) * 1988-02-16 1989-08-24 Kajima Corp Fire-proof covering construction
JPH10266397A (en) * 1997-03-28 1998-10-06 Nippon Cement Co Ltd Fire resistance covering structure
JP2006002534A (en) * 2004-06-21 2006-01-05 Kikusui Chemical Industries Co Ltd Fire-resistant coating and its construction method
JP2014169610A (en) * 2013-03-05 2014-09-18 F Consultant:Kk Coating structure
JP2017108876A (en) * 2015-12-16 2017-06-22 因幡電機産業株式会社 Fireproof sheet, penetration structure of building fireproof compartment, and construction method of fireproof material
JP2017128844A (en) * 2016-01-18 2017-07-27 大成建設株式会社 Fireproof steel beam

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020139343A (en) * 2019-02-28 2020-09-03 清水建設株式会社 Fire resistant cover structure
JP7272821B2 (en) 2019-02-28 2023-05-12 清水建設株式会社 Fireproof coating structure
JP2020143528A (en) * 2019-03-07 2020-09-10 清水建設株式会社 Fireproof coating structure
JP7228412B2 (en) 2019-03-07 2023-02-24 清水建設株式会社 Fireproof coating structure
JP2020172808A (en) * 2019-04-11 2020-10-22 清水建設株式会社 Fireproof coating structure
JP7228455B2 (en) 2019-04-11 2023-02-24 清水建設株式会社 Fireproof covering structure
JP7446855B2 (en) 2020-03-02 2024-03-11 清水建設株式会社 Fireproof coating structure and its construction method

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