JPH0424006Y2 - - Google Patents
Info
- Publication number
- JPH0424006Y2 JPH0424006Y2 JP1987195246U JP19524687U JPH0424006Y2 JP H0424006 Y2 JPH0424006 Y2 JP H0424006Y2 JP 1987195246 U JP1987195246 U JP 1987195246U JP 19524687 U JP19524687 U JP 19524687U JP H0424006 Y2 JPH0424006 Y2 JP H0424006Y2
- Authority
- JP
- Japan
- Prior art keywords
- covering plate
- lower flange
- flange portion
- fireproof
- steel beam
- 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.)
- Expired
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Building Environments (AREA)
Description
【考案の詳細な説明】
産業上の利用分野
本考案は鉄骨梁下部フランジ部下面の耐火被覆
に適用される耐火被覆材に関する。[Detailed Description of the Invention] Industrial Application Field The present invention relates to a fire-resistant covering material applied to the lower surface of a lower flange of a steel beam.
従来の技術とその問題点
従来、Ｈ型鉄骨梁の耐火被覆に際し、下部フラ
ンジ部下面への耐火被覆材の取付けは、接着剤又
は下部フランジ部に溶接固定された取付金物を用
いて行なわれていた。しかしながら接着剤を用い
て取付け固定する場合は、接着力の点で不安があ
ると共に、接着剤が固化するまでの間、何らかの
保持手段の適用が必要であり、面倒であつた。ま
た取付け金物を用いる場合は、溶接に熟練性が要
求されるのみならず作業が複雑となり、施工費が
高くつく難点があつた。Conventional techniques and their problems Conventionally, when applying fireproof coating to H-shaped steel beams, the fireproof coating was attached to the lower surface of the lower flange using adhesive or mounting hardware welded to the lower flange. Ta. However, when attaching and fixing using an adhesive, there are concerns about adhesive strength, and it is necessary to apply some kind of holding means until the adhesive hardens, which is troublesome. Furthermore, when using mounting hardware, not only is skill required for welding, but the work is also complicated and construction costs are high.
本考案はこのような従来の問題点を一掃するこ
とを目的としてなされたものである。 The present invention was made with the aim of eliminating these conventional problems.
問題点を解決するための手段
本考案は、Ｈ型鉄骨梁の下部フランジ部と略々
同巾乃至これより若干大きい巾の耐火被覆板の上
面に、該被覆板を上記フランジ部の下面に取付け
固定するための金物が備えられ、該金物は、上記
被覆板の上面に上記フランジ部と略々同巾で巾方
向に延出するよう固定された水平部と、該水平部
の両側より上記フランジ部の肉厚より大きい長さ
で張出されていて、叩打によるコ字型変形が可能
な折曲部とから構成されていることを特徴とす
る、鉄骨梁の耐火被覆材に係る。Means for Solving the Problems The present invention is to attach the covering plate to the upper surface of a fireproof covering plate having a width that is approximately the same as or slightly larger than the lower flange portion of an H-shaped steel beam, and to attach the covering plate to the lower surface of the flange portion. A metal fitting for fixing is provided, and the metal fitting includes a horizontal part fixed to the upper surface of the covering plate so as to extend in the width direction with approximately the same width as the flange part, and a horizontal part fixed to the upper surface of the covering plate so as to extend in the width direction, and a horizontal part fixed to the upper surface of the covering plate so as to extend in the width direction. This invention relates to a fireproof covering material for a steel beam, characterized in that it is composed of a bent part that extends over a length greater than the wall thickness of the part and can be deformed into a U-shape by being hammered.
実施例
以下に本考案の実施例を添附図面にもとづき説
明すると次の通りである。Embodiments Hereinafter, embodiments of the present invention will be described based on the accompanying drawings.
耐火被覆板１は珪酸カルシウムなどのような無
機質成形板であつて、Ｈ型鉄骨梁ａ（第３図参照）
の下部フランジ部a1と同巾又はこれより若干例え
ば５〜10cm程度広い巾を有し、また長さは被覆作
業時の作業性などを考慮し、50〜150cm程度の長
さを持つている。 The fireproof covering plate 1 is an inorganic molded plate such as calcium silicate, and is an H-shaped steel beam a (see Fig. 3).
The lower flange part A1 has a width of the same width or slightly wider, for example, about 5 to 10 cm, and a length of about 50 to 150 cm, taking into consideration workability during covering work. .
耐火被覆板１の上面には、第１図に示されるよ
うに長さ方向の両端寄りの部分の２個所に、左右
両端部に略々、垂直に起立する折曲部２１，２１
を有する正面溝型の金物２が、折曲部２１，２１
間の水平部２２に於て、上記板１の裏面側から螺
入されたタツピングビス３の適用により固着され
ている。 As shown in FIG. 1, on the upper surface of the fireproof covering plate 1, there are bent portions 21, 21 that stand approximately perpendicularly to both left and right ends at two locations near both ends in the length direction.
The front groove type hardware 2 having the bending portions 21, 21
At the horizontal portion 22 between them, the plate 1 is fixed by a tapping screw 3 screwed into the plate 1 from the back side.
金物２の両端部の折曲部２１，２１間の間隔は
下部フランジ部a1の巾と略々等しく、また高さ
は、下部フランジ部a1の肉厚よりも大きい。金物
２の構成素材としては、例えば帯鉄が用いられ
る。 The distance between the bent portions 21, 21 at both ends of the hardware 2 is approximately equal to the width of the lower flange portion a1 , and the height is greater than the wall thickness of the lower flange portion a1 . As a constituent material of the hardware 2, for example, band iron is used.
タツピングネジ３の頭部３１が耐火被覆板１の
下面に露出していると、火災時等に於て熱を直接
受け好ましくないので、第２図に示されるように
頭部３１を耐火被覆板１下面の凹部１１内に没入
させ且つ凹部１１内に充填の耐火性パテ４内に埋
入しておくことが好ましい。 If the head 31 of the tapping screw 3 is exposed to the lower surface of the fireproof sheathing plate 1, it will receive heat directly in the event of a fire, which is undesirable. It is preferable to immerse it in the recess 11 on the lower surface and embed it in the refractory putty 4 filling the recess 11.
第３図は本考案品の一使用状況を示し、金物
２，２を折曲部２１，２１の間に於て、鉄骨梁ａ
の下部フランジ部a1に挿入して後、折曲部２１，
２１の上部をハンマーなどを用いて内方へ叩き込
み、もつて第３図に破線で示されるようにコ字型
となし、このコ字型部に於て下部フランジ部a1を
両側より抱きこむことにより、金物２を介して耐
火被覆板１を下部フランジ部a1の下面に取付け固
定することができる。第３図に於て、ｂは下部フ
ランジ部a1の下面に接着剤などを用いて接着固定
された捨て板である。 Figure 3 shows one usage situation of the product of the present invention, in which the hardware 2, 2 is placed between the bent parts 21, 21, and the steel beam a
After inserting it into the lower flange part A 1 of the bending part 21,
Hammer the upper part of 21 inward using a hammer or the like to form a U-shape as shown by the broken line in Figure 3, and embrace the lower flange part A1 from both sides in this U-shaped part. Thereby, the fireproof covering plate 1 can be attached and fixed to the lower surface of the lower flange portion a1 via the metal fittings 2. In FIG. 3, reference numeral b denotes a waste plate fixed to the lower surface of the lower flange portion a1 using an adhesive or the like.
第４図及び第５図は、それぞれ本考案の他の実
施の一例を示している。 FIGS. 4 and 5 each show an example of another implementation of the present invention.
第４図に示された実施例に於ては、一方の折曲
部２１に予め若干上方へ開き気味のコ字型部２１
ａが形成され、他方の折曲部２１は上記コ字型部
２１ａの下部フランジ部a1への嵌止作業の妨げと
ならないように、外方へ水平近くの状態まで倒さ
れている。本実施例によれば、片側のコ字型部２
１ａを下部フランジ部a1の一側部に嵌止した後
に、他方折曲部２１だけを単にハンマーなどで所
定の形状に叩き変形させればよいので、ハンマー
の叩打作業の負担を軽減できる。 In the embodiment shown in FIG.
a is formed, and the other bent portion 21 is bent outward to a nearly horizontal state so as not to interfere with the fitting operation of the U-shaped portion 21a to the lower flange portion a1 . According to this embodiment, the U-shaped portion 2 on one side
After fitting 1a to one side of the lower flange portion a1 , it is sufficient to simply hammer and deform only the other bent portion 21 into a predetermined shape with a hammer, so that the burden of hammering work can be reduced.
第５図に示された実施例に於ては、折曲部２１
のそれぞれにコ字型変形のガイドとなる曲げくせ
２１ｂが予め形成されており、この場合折曲部２
１，２１は八字型に外方へ開かれている。 In the embodiment shown in FIG.
A bent part 21b is formed in advance to guide the U-shaped deformation, and in this case, the bent part 2
1 and 21 are opened outward in a figure eight shape.
尚鉄骨梁ａの側部の耐火被覆は耐火板の張付け
や岩綿の吹付けなど、常法に従い行なわれる。 The fireproof coating on the sides of the steel beam a is carried out according to conventional methods such as attaching fireproof plates or spraying rock wool.
考案の効果
本考案によれば、耐火被覆板１をＨ型鉄骨梁ａ
の下部フランジ部a1の下面に、該板１に装着した
金物２を用いて取付け固定できるので、安定で確
実な取付け状態が得られると共に取付け作業には
単にハンマなどによる叩打折曲作業を必要とする
にすぎないので、作業が極めて簡単容易となり、
作業能率向上ひいては施工費を節減できる特長を
有する。Effects of the invention According to the invention, the fireproof covering plate 1 is
Since it can be installed and fixed on the lower surface of the lower flange part A 1 using the metal fitting 2 attached to the plate 1, a stable and reliable installation condition can be obtained, and the installation work simply requires hammering and bending work with a hammer etc. This makes the work extremely simple and easy.
It has the advantage of improving work efficiency and reducing construction costs.
第１図は本考案の一実施例を示す斜視図、第２
図は第１図の〜線に沿う断面図、第３図は本
考案の一使用状況を示す断面図、第４図及び第５
図はそれぞれ本考案の他の実施例を示す断面図で
ある。
図に於て、１は耐火被覆板、２は金物、３はタ
ツピングネジである。
Fig. 1 is a perspective view showing one embodiment of the present invention;
The figures are a sectional view taken along the line ~ in Fig. 1, Fig. 3 is a sectional view showing one usage situation of the present invention, and Figs. 4 and 5.
The figures are sectional views showing other embodiments of the present invention. In the figure, 1 is a fireproof covering plate, 2 is hardware, and 3 is a tapping screw.
Claims (1)
れより若干大きい巾の耐火被覆板の上面に、該被
覆板を上記フランジ部の下面に取付け固定するた
めの金物が備えられ、該金物は、上記被覆板の上
面に上記フランジ部と略々同巾で巾方向に延出す
るよう固定された水平部と、該水平部の両側より
上記フランジ部の肉厚より大きい長さで張出され
ていて、叩打によるコ字型変形が可能な折曲部と
から構成されていることを特徴とする鉄骨梁の耐
火被覆材。 A metal fitting for attaching and fixing the covering plate to the lower surface of the flange portion is provided on the upper surface of the fireproof covering plate having a width that is approximately the same as or slightly larger than the lower flange portion of the H-shaped steel beam, and the metal fitting is , a horizontal part fixed to the upper surface of the covering plate so as to have approximately the same width as the flange part and extending in the width direction; and a horizontal part extending from both sides of the horizontal part to a length greater than the wall thickness of the flange part. A fireproof covering material for a steel beam, characterized in that it is comprised of a bent part that can be deformed into a U-shape by being hammered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987195246U JPH0424006Y2 (en) | 1987-12-23 | 1987-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987195246U JPH0424006Y2 (en) | 1987-12-23 | 1987-12-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0198807U JPH0198807U (en) | 1989-07-03 |
| JPH0424006Y2 true JPH0424006Y2 (en) | 1992-06-05 |
Family
ID=31485932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987195246U Expired JPH0424006Y2 (en) | 1987-12-23 | 1987-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0424006Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0734968Y2 (en) * | 1990-07-06 | 1995-08-09 | 株式会社東邦建材 | Fireproof coating material fall prevention device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5224984U (en) * | 1975-08-12 | 1977-02-22 |
-
1987
- 1987-12-23 JP JP1987195246U patent/JPH0424006Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5224984U (en) * | 1975-08-12 | 1977-02-22 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0198807U (en) | 1989-07-03 |
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