JPS62156459A - Refractory coating construction method of steel bar - Google Patents
Refractory coating construction method of steel barInfo
- Publication number
- JPS62156459A JPS62156459A JP29391385A JP29391385A JPS62156459A JP S62156459 A JPS62156459 A JP S62156459A JP 29391385 A JP29391385 A JP 29391385A JP 29391385 A JP29391385 A JP 29391385A JP S62156459 A JPS62156459 A JP S62156459A
- Authority
- JP
- Japan
- Prior art keywords
- fireproof
- fireproof coating
- felt
- ceramic fiber
- steel frame
- 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.)
- Granted
Links
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
産業上の利用分野
この発明は、建物の鉄骨を耐火材で被覆する耐火被覆工
法の改良に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to an improvement in a fire-resistant coating method for covering the steel frame of a building with a fire-resistant material.
従来の技術
従来、建物の梁や柱などの鉄骨に耐火材を被覆する工法
として、ロックウールを主材とし、それにポルトランド
セメント結合材、水溶性粉末質有機糊材を配合して調製
した耐火材を水と共に鉄骨表面に吹き付ける乾式の耐火
被覆工法、ｔたはロッククールにポルトランドセメント
と水で粘稠ペースト状に調製した耐火材をポンプで圧送
してスプレーガンで吹き付ける湿式の耐火被覆工法、あ
るいは石綿珪酸カルシウム板のような成形板を接着剤と
釘を併用して貼り付ける成形板による耐火被覆工法が適
用されている。Conventional technology Traditionally, as a method of coating steel frames such as beams and columns of buildings with fireproofing materials, fireproofing materials were prepared by blending rock wool as the main material with a Portland cement binder and a water-soluble powdered organic glue. A dry fireproof coating method in which water and water are sprayed onto the steel surface, a wet fireproof coating method in which a fireproof material made into a viscous paste with Portland cement and water is pumped using a pump and sprayed with a spray gun, or A fireproof coating method using molded plates, such as asbestos calcium silicate plates, is applied using a combination of adhesive and nails.
しかし、前述し九乾式・湿式吹き付は耐火被覆工法にあ
っては、下記の如き欠点がある。However, the above-mentioned dry and wet spraying methods have the following drawbacks when it comes to fireproof coating methods.
（イ） ホコリが出るため、作業環境が悪く、作業中は
他の作業員が同時に仕事ができない。(b) The work environment is poor due to dust, and other workers cannot work at the same time.
（ロ） ホコリが多いため、吹き付は作業場所の周辺を
シートで囲って屋外にホコリを出さないようＫし、また
床や壁が汚れないようにシートを敷く必要がある。(b) Because there is a lot of dust, it is necessary to surround the work area with a sheet when spraying to prevent the dust from getting outside, and also to spread sheets to prevent the floors and walls from getting dirty.
（ハ）水を使うため、被覆材が硬化するまで、夏期は１
ケ月、冬期は２ケ月の養生期間が必要である。(c) Since water is used, it takes 1 hour in the summer until the coating material hardens.
A curing period of two months is required during winter.
に）現場作業であるため、表面の仕上げが作業員の技術
に左右され、一般に表面性状が悪い。2) Since the work is done on-site, the surface finish depends on the skill of the worker, and the surface quality is generally poor.
（ホ）吹き付は作業には特別な技術、熟練を必要とする
。(e) Spraying requires special techniques and skill.
（へ）現場作業のため、被覆層の厚さや密度が不均一で
ある。(f) Due to on-site work, the thickness and density of the coating layer is uneven.
（ト）吹き付は作業には特別な機械が必要である。(g) Spraying requires a special machine.
（至）前述した耐火被覆材は耐熱性が６００℃以下しか
ない。(To) The above-mentioned fireproof coating material has a heat resistance of only 600°C or less.
一方、成形板を貼り付ける耐火被覆工法にあっては、下
記に示す欠点がある。On the other hand, the fireproof coating method in which molded plates are pasted has the following drawbacks.
（イ）加工性が悪い。(b) Poor workability.
（ロ）取り付けが困難である。(b) Installation is difficult.
（ハ）曲面および配管口シなどの複雑な形状部分への貼
シ付は施工が不可能である。(c) It is impossible to apply adhesives to curved surfaces and parts with complex shapes such as piping openings.
に）被覆材の重量に比べて強度が弱いため割れや欠けが
生じ易い。2) Because the strength is weak compared to the weight of the covering material, cracks and chips are likely to occur.
上記吹き付は工法および成形仮貼シ付は工法に代るもの
として、ロックウール、グラスウール、石綿などの無機
繊維を主材として形成したフェルトを鉄骨表面に取り付
ける工法も提案されているが、前記無機繊維材料は１０
００°Ｃ以上の耐火性能を要求されＩ、゛・ところには
適用できない欠点がある。As an alternative to the above-mentioned spraying method and molded temporary pasting method, a method of attaching felt made mainly of inorganic fibers such as rock wool, glass wool, and asbestos to the steel frame surface has been proposed. Inorganic fiber material is 10
There is a drawback that it cannot be applied to places where fire resistance performance above 00°C is required.
発明が解決しようとする問題点
この発明は、前述した乾式・湿式の吹き付は耐火被覆工
法および成形仮貼シ付は耐火被覆工法のすべての欠点を
解消するためになされたものであって、吹き付は工法と
比べてホコリの発生が殆んどなく、また熟練した施工技
術を必要 。Problems to be Solved by the Invention The present invention has been made in order to eliminate all the drawbacks of the dry and wet spraying and fireproof coating methods and the molded temporary pasting and fireproof coating methods. Spraying generates almost no dust compared to construction methods, and requires skilled construction techniques.
とせず、しかも施工期間の大巾な短縮化ができるばかシ
でなく、安価な材料で１０００℃以上の耐火性能を発揮
できる鉄骨の耐火被覆工法を提供することを主たる目的
としているものである。The main purpose of this invention is to provide a fireproof coating method for steel frames that is not foolproof and can greatly shorten the construction period, and can exhibit fireproof performance of 1000°C or higher using inexpensive materials.
問題点を解決するための手段
この発明による鉄骨の耐火被覆工法は、ロックウールフ
ェルトまたはグラスウールフエルトを基材とし、そのう
えにセラミック繊維フェルトまたは表面に金属ラスを重
ね合わせたセラミック繊維を積層して一体に形成してな
る耐火被覆材を使用し、この耐、人波覆材を、そのセラ
ミック繊維フェルトが外側になるように鉄骨に取り付け
ることを特徴としているものである。Means for Solving the Problems The fireproof coating method for steel frames according to the present invention uses rock wool felt or glass wool felt as the base material, and then laminates ceramic fiber felt or ceramic fiber with metal lath layered on the surface to form an integral structure. It is characterized by using a fire-resistant sheathing material made of the same material and attaching the fire-resistant sheathing material to the steel frame so that the ceramic fiber felt is on the outside.
実施例
第１図において、符号囚で示したものは、この発明の耐
火被覆工法で用いる耐火被覆材の一例を示したものであ
って、ロックウールまたはグラスウールからなるフェル
ト（１）が基材とされ、その片面にセラミック繊維から
なるセラミック繊維フェルト（２）が積層され、さらに
そのうえにガラス布からなる表面材（３）と金属ラス（
４）とが重ね合わされ、それらが金属ワイヤー（５）の
縫合で一体化されている。Embodiment In Fig. 1, the reference numeral indicates an example of the fireproof coating used in the fireproof coating method of the present invention, in which felt (1) made of rock wool or glass wool is used as the base material. A ceramic fiber felt (2) made of ceramic fiber is laminated on one side of the felt, and a surface material (3) made of glass cloth and a metal lath (
4) are placed one on top of the other, and they are integrated by suturing with metal wire (5).
前記セラミックフェルト（２）のセラミック素材として
は、ＡＩ、Ｏ，ｓｏ〜７０ ％、Ｓｉｎ、７０〜５０ｗ
ｔ％の組成からなるものが好ましい。また金属ラス（４
）は、ひし彫金網、亀甲形金網などの金網が用いられる
。The ceramic material of the ceramic felt (2) includes AI, O, so~70%, Sin, 70~50w.
A composition having a composition of t% is preferable. Also, metal lath (4
), wire meshes such as rhombus wire meshes and tortoiseshell wire meshes are used.
前記耐火被覆材囚は、そのセラミック繊維フェルト（２
）を外側にして鉄骨に取り付けるもので、第２図ないし
第５図に、鉄骨への取り付は施工状態を示しである。（
６）は鉄骨、（６）は溶接ガンによる溶接ピン、（７）
は押え座金、（８）は建物のスラブである。 ゛
すなわち、第２図は前記耐火被覆材囚を鉄骨柱に８字貼
シにして被覆する例を、第３図は鉄骨梁には″ｉ８字貼
シにして被覆する例を、第４図は鉄骨梁に箱貼プにして
被覆する例を、また第５図は鉄骨梁に直結シにして被覆
する例をそれぞれ示しである。The fireproof coating material is made of ceramic fiber felt (2
) is attached to the steel frame with the outside facing out. Figures 2 to 5 show the construction state of the installation to the steel frame. (
6) is a steel frame, (6) is a welding pin with a welding gun, (7)
(8) is the building slab. In other words, Fig. 2 shows an example in which the fireproof coating is applied to a steel column with a letter 8 paste, Fig. 3 shows an example in which a steel beam is covered with a letter 8 paste, and Fig. 4 shows an example in which a steel beam is covered with a letter 8 paste. 5 shows an example in which a steel beam is coated with a box paste, and FIG. 5 shows an example in which a steel beam is directly connected and covered.
前記耐火被覆材囚を鉄骨に取り付ける手段としては、溶
接ピンに限らず、無機接着剤を用いて接着してもよく、
また両者を併用することもできる。The means for attaching the fireproof coating to the steel frame is not limited to welding pins, but may also be bonded using an inorganic adhesive,
Moreover, both can also be used together.
上記耐火被覆材図を使用して鉄骨を被覆する施工法によ
れば、下記の効果が得られる。According to the construction method of covering the steel frame using the above-mentioned fireproof covering material diagram, the following effects can be obtained.
（１）吹き付は工法でなく、貼シ付は工法であるから、
ホコリは殆んど発生しない。加えて、セラミック繊維フ
ェルト（２）の上面にガラス布のような表面材（３）を
重ね合わせた被覆材（５）の構成によれば、施工後の繊
維の飛散を完全に防止できる。(1) Spraying is not a construction method, but pasting is a construction method, so
Almost no dust is generated. In addition, according to the structure of the covering material (5) in which a surface material (3) such as glass cloth is superimposed on the top surface of the ceramic fiber felt (2), it is possible to completely prevent the scattering of fibers after construction.
（２）ホコリが発生しないから、養生シートなどを使用
する必要がない。(2) No dust is generated, so there is no need to use protective sheets.
（３）水などを使わないから、被覆材の養生期間は全く
不要でｓｂ、施工期間の大巾の短縮化ができる。(3) Since water is not used, there is no need to cure the covering material at all, and the construction period can be significantly shortened.
（４）前記耐火被覆材は貼シ付けるだけであるから、熟
練した技術は不要である。また、吹き付は機のような特
殊な大型機械も不要である。(4) Since the fireproof covering material can be simply pasted on, no skilled technique is required. Furthermore, spraying does not require any special large machinery such as a machine.
（５）前記耐火被覆材は接着剤や溶接ピンで簡単容易に
取り付けることができる。(5) The fireproof covering material can be easily attached using adhesive or welding pins.
（６）前記耐火被覆材は複雑な形状に屈曲できるばかシ
でなく、ハサミやカッターで簡単に切断できるため、加
工は極めて容易である。(6) The fireproof covering material is not a piece of paper that can be bent into a complicated shape, and can be easily cut with scissors or a cutter, so it is extremely easy to process.
（７）前記耐火被覆材は全体が繊維の成形体で構成され
ているので、従来の成形板のように、割れや欠けを生じ
るおそれがない。(7) Since the fireproof covering material is entirely composed of a molded body of fibers, there is no risk of cracking or chipping unlike conventional molded plates.
（８）前記耐火被種材は工場製品として製作できるので
、厚さや密度がムラなく均一であり、品質に優れる。(8) Since the fireproof seed material can be manufactured as a factory product, it has uniform thickness and density, and is of excellent quality.
（９）前記耐火被覆材の性能については、火災発生の場
合、直接１０００℃以上の高温にさらされる表面側に１
３００℃以上の耐火性と断熱性を有するセラミック繊維
フェルトが使用され、６００℃以下の温度となる内部に
は、同温度に充分に耐えるロックウールまたはグラスク
ールからなる基材が組み合わされているので、同じ厚さ
でも、高価なセラミック繊維フェルトと同等の耐火性能
が得られる。(9) Regarding the performance of the fireproof coating material, in the event of a fire, 1
Ceramic fiber felt is used, which has fire resistance and heat insulation properties of over 300℃, and the interior, which can withstand temperatures below 600℃, is combined with a base material made of rock wool or glass wool that can withstand the same temperature. , even with the same thickness, fire resistance performance equivalent to that of expensive ceramic fiber felt can be obtained.
ＱＧ 前記セラミック繊維フェルトのうえに金属ラス
が重ね合わされ、一体化された構成の耐火被覆材の使用
によれば、繊維層からなる被覆材の補強と施工中での損
傷防止に効果がある。QG The use of a fireproof covering material in which a metal lath is superimposed on the ceramic fiber felt and integrated therewith is effective in reinforcing the covering material made of fiber layers and preventing damage during construction.
αυ また、セラミック繊維フェルトの表面にガラス布
を重ね合わせて一体化した構成の耐火被覆材の使用によ
れば、とくに施工後の繊維の飛散を確実に防止できる利
点があシ、かつ表面性状の向上と化粧可能な耐火被覆体
が得られる。αυ In addition, the use of a fireproof covering material that is made by overlapping glass cloth on the surface of ceramic fiber felt has the advantage of reliably preventing the scattering of fibers after installation, as well as improving the surface texture. A refractory coating is obtained which can be improved and decorated.
αり さらに前記耐火被覆材は、フェルト状のものであ
るから、梁や柱部分への先付は工法も可能である。Further, since the fireproof coating material is felt-like, it is possible to apply it to beams and columns using a construction method.
発 明 の 効 果
以上に述べたように、この発明によれば、ロックウール
フェルトまたはグラスウールフエルトを基材とし、その
うえにセラミック繊維フェルトまたは表面に金属ラスを
重ね合わせたセラミック繊維フェルトを積層して一体に
形成して成る耐火被覆材を使用し、この耐火被覆材を、
そのセラミック繊維フェルトが外側になるように鉄骨に
取り付けて被覆することを特徴としているものであるか
ら、同じ厚さでも高価なセラミック繊維と同等の耐火性
能を有する経済的な耐火被覆材を形成することができる
ばかシでなく、熟練した施工技術が不要で、ホコリの発
生がなく、短期間で施工できる鉄骨の耐火被覆工法が得
られる。Effects of the Invention As described above, according to the present invention, rock wool felt or glass wool felt is used as the base material, and ceramic fiber felt or ceramic fiber felt with a metal lath layered on the surface is laminated and integrated. A fire-resistant sheathing material made of
Because the ceramic fiber felt is attached to and coated on the steel frame on the outside, it forms an economical fire-resistant coating material that has the same fire-resistance performance as expensive ceramic fibers even at the same thickness. The present invention provides a fireproof covering construction method for steel frames that can be constructed in a short period of time without the need for skilled construction techniques, without the generation of dust, and in a short period of time.
第１図は、この発明の実施に使用する耐火被覆材の一部
切断斜視図、第２図ないし第５図は耐火被覆材を鉄骨に
被覆施工した状態を示す鉄骨被覆部分の断面図である。
囚・・・耐火被覆材、（１）・・・ロックウールフェル
トまた。はグラスウールフェルトからなる基材、（２）
・・・セラミック繊維フェルト、（３）・・・ガラス布
からなる表面材、（４）・・・金属ラス、（５）・・・
金属ワイヤー、（６）・・・溶接ピン、（７）・・・押
え座金、（８）・・・建物のスラブ、（Ｂ）・・・鉄骨
。FIG. 1 is a partially cutaway perspective view of a fireproof covering material used in carrying out the present invention, and FIGS. 2 to 5 are cross-sectional views of a steel frame covering part showing a state in which a steel frame is coated with a fireproof covering material. . Prisoner... Fireproof covering material, (1)... Rock wool felt also. is a base material made of glass wool felt, (2)
... Ceramic fiber felt, (3) ... Surface material made of glass cloth, (4) ... Metal lath, (5) ...
Metal wire, (6)...welding pin, (7)...presser washer, (8)...building slab, (B)...steel frame.
Claims (3)
トを基材とし、そのうえにセラミツク繊維フエルトまた
は表面に金属ラスを重ね合わせたセラミツク繊維フエル
トを積層して一体に形成して成る耐火被覆材を使用し、
この耐火被覆材を、そのセラミツク繊維が外側になるよ
うに鉄骨に取り付けることを特徴とする鉄骨の耐火被覆
工法。(1) Using a fireproof covering material made of rock wool felt or glass wool felt as a base material, and ceramic fiber felt or ceramic fiber felt with a metal lath layered on the surface layered and formed integrally,
A fireproof coating method for steel frames, which is characterized by attaching this fireproof coating material to the steel frame so that its ceramic fibers are on the outside.
えに金網を重ね合わせ、それらを金属ワイヤーで縫合し
て一体に形成して成る耐火被覆材を使用する特許請求の
範囲第１項記載の鉄骨の耐火被覆工法。(2) The steel frame according to claim 1, which uses a fireproof covering material formed by laminating ceramic fiber felt on a base material, overlapping a wire mesh thereon, and sewing these together with metal wire. Fireproof coating method.
ンによつて鉄骨に取り付ける特許請求の範囲第１項また
は第２項記載の鉄骨の耐火被覆工法。(3) The fireproof coating method for steel frames according to claim 1 or 2, in which the fireproof coating material is attached to the steel frame by inorganic adhesive and/or welding pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29391385A JPS62156459A (en) | 1985-12-27 | 1985-12-27 | Refractory coating construction method of steel bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29391385A JPS62156459A (en) | 1985-12-27 | 1985-12-27 | Refractory coating construction method of steel bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62156459A true JPS62156459A (en) | 1987-07-11 |
| JPH0522015B2 JPH0522015B2 (en) | 1993-03-26 |
Family
ID=17800772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29391385A Granted JPS62156459A (en) | 1985-12-27 | 1985-12-27 | Refractory coating construction method of steel bar |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62156459A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62268446A (en) * | 1986-05-14 | 1987-11-21 | 株式会社竹中工務店 | Refractory coating structure of reinforcing bar |
| JPH0376911U (en) * | 1989-11-29 | 1991-08-01 | ||
| JPH03113013U (en) * | 1990-03-06 | 1991-11-19 | ||
| JPH081606U (en) * | 1996-02-16 | 1996-11-22 | ニチアス株式会社 | Wall panel for curtain wall |
| JPH09137524A (en) * | 1995-11-14 | 1997-05-27 | Isolite Kogyo Kk | Fire resistive covering construction method of steel material |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201525248A (en) * | 2013-10-23 | 2015-07-01 | Nichias Corp | Fireproof cladding process for steel beams and fireproof cladding structure for steel beams |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4892544U (en) * | 1972-02-04 | 1973-11-06 | ||
| JPS51145048A (en) * | 1975-06-09 | 1976-12-13 | Denki Kagaku Kogyo Kk | Fitting method of thermal insulation material |
| JPS5226047A (en) * | 1975-08-23 | 1977-02-26 | Sanden Corp | Cooling system by brine |
| JPS57197349A (en) * | 1981-05-28 | 1982-12-03 | Nippon Asbestos Co Ltd | Covering of iron skeltal by refractory material |
-
1985
- 1985-12-27 JP JP29391385A patent/JPS62156459A/en active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4892544U (en) * | 1972-02-04 | 1973-11-06 | ||
| JPS51145048A (en) * | 1975-06-09 | 1976-12-13 | Denki Kagaku Kogyo Kk | Fitting method of thermal insulation material |
| JPS5226047A (en) * | 1975-08-23 | 1977-02-26 | Sanden Corp | Cooling system by brine |
| JPS57197349A (en) * | 1981-05-28 | 1982-12-03 | Nippon Asbestos Co Ltd | Covering of iron skeltal by refractory material |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62268446A (en) * | 1986-05-14 | 1987-11-21 | 株式会社竹中工務店 | Refractory coating structure of reinforcing bar |
| JPH0376911U (en) * | 1989-11-29 | 1991-08-01 | ||
| JPH083536Y2 (en) * | 1989-11-29 | 1996-01-31 | イビデン株式会社 | Fireproof coating |
| JPH03113013U (en) * | 1990-03-06 | 1991-11-19 | ||
| JPH09137524A (en) * | 1995-11-14 | 1997-05-27 | Isolite Kogyo Kk | Fire resistive covering construction method of steel material |
| JPH081606U (en) * | 1996-02-16 | 1996-11-22 | ニチアス株式会社 | Wall panel for curtain wall |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0522015B2 (en) | 1993-03-26 |
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| EXPY | Cancellation because of completion of term |