JPS6029533Y2 - Composite beam - Google Patents
Composite beamInfo
- Publication number
- JPS6029533Y2 JPS6029533Y2 JP9224578U JP9224578U JPS6029533Y2 JP S6029533 Y2 JPS6029533 Y2 JP S6029533Y2 JP 9224578 U JP9224578 U JP 9224578U JP 9224578 U JP9224578 U JP 9224578U JP S6029533 Y2 JPS6029533 Y2 JP S6029533Y2
- Authority
- JP
- Japan
- Prior art keywords
- composite beam
- shaped steel
- stripes
- upper flange
- steel
- 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
Landscapes
- Rod-Shaped Construction Members (AREA)
Description
【考案の詳細な説明】
本考案はＲＣスラブの打設される上フランジが下フラン
ジより広幅かつ薄肉なる不等辺縞付Ｈ形鋼を鉄骨部に使
用した合成梁に関するものである。[Detailed Description of the Invention] The present invention relates to a composite beam in which the upper flange on which the RC slab is cast is wider and thinner than the lower flange, using scalene striped H-beam steel as the steel frame part.
従来、形鋼梁上にデツキプレートを架設し、その上部に
コンクリートを打設する合成梁は、形鋼梁上にシアーコ
ネクターとしてスタッドボルト等が溶接されているが、
多数のスタッドボルトを溶接するには相当の手間を要し
、また溶接部に欠陥を生ずる可能性がある。Traditionally, composite beams are constructed by erecting a deck plate on a shaped steel beam and pouring concrete on top of it, and stud bolts are welded onto the shaped steel beam as shear connectors.
Welding a large number of stud bolts requires considerable effort and may result in defects in the welds.
そのため形鋼として上フランジ表面に多数の突起からな
る縞を有する縞付Ｈ形鋼を用いた合成梁が考案され、こ
の合成梁では突起がシアーコネクターの働きをするため
、スタッドボルトを必要としない。For this reason, a composite beam was devised that uses striped H-shaped steel, which has stripes made up of numerous protrusions on the upper flange surface, as a shape steel.With this composite beam, the protrusions act as shear connectors, so stud bolts are not required. .
しかし、縞付Ｈ形鋼の上フランジとデツキプレートとの
はだ合い部に空隙ができるためセメントペーストの漏出
、溶接性等の問題がある。However, since a gap is formed between the upper flange of the striped H-shaped steel and the deck plate, there are problems such as leakage of cement paste and weldability.
それらの問題解消のためには、はだ合い部突起間に介在
部材を配するものや、はだ合い部の突を除去したもの等
も考案されているが、これらにおいても介在部材の溶接
性やはだ合い部のために形鋼上フランジのコンクリート
と接触する突起部分の有効幅が制限されることによるコ
ンクリートと形鋼相互の付着力の低減等の欠点がある。In order to solve these problems, methods have been devised such as arranging an intervening member between the protrusions of the mating part or removing the protrusions of the mating part, but these also improve the weldability of the intervening member. However, due to the overlapping portion, the effective width of the protruding portion of the flange on the shaped steel that comes into contact with concrete is limited, resulting in a reduction in the mutual adhesion between the concrete and the shaped steel.
本考案は、上記の欠点について改良を加え、特にコンク
リートと形鋼相互の付着力の面で、さらには施工の容易
さ、価格面等で優れた合成梁を提供すべく案出されたも
ので、以下図面に基づいて説明する。The present invention was devised to improve the above-mentioned drawbacks and to provide a composite beam that is superior in terms of mutual adhesion between concrete and structural steel, ease of construction, cost, etc. , will be explained below based on the drawings.
図において１は、上フランジが下フランジより広幅かつ
薄肉で上フランジ表面中央部に突起３による凹凸の縞を
、その両側部に平坦部４を形成した不等辺縞付Ｈ形鋼で
で、突起３は圧延の際に形鋼と一体として製造する。In the figure, the upper flange is wider and thinner than the lower flange, and the upper flange is made of scalene striped H-beam steel with uneven stripes formed by protrusions 3 at the center of the upper flange surface and flat portions 4 on both sides. 3 is manufactured integrally with the section steel during rolling.
２はデツキプレート、５はＲＣスラブで、デツキプレー
ト２は不等辺縞付Ｈ形鋼の平坦部に載置され、その上に
ＲＣスラブ５が打設され、突起３がシアーコネクターと
なっている。2 is a deck plate, 5 is an RC slab, the deck plate 2 is placed on a flat part of an H-shaped steel with scalene stripes, the RC slab 5 is cast on top of it, and the protrusion 3 serves as a shear connector. .
なお６は小口塞ぎを示す。第３図には比較用に１′とし
て、これより先に考案されている等辺縞付Ｈ形鋼を示す
。Note that 6 indicates edge closing. For comparison, FIG. 3 shows an H-section steel with equilateral stripes, which was devised earlier, as 1'.
一般にコンクリート硬化後の合成梁としての中立軸は上
フランジ近傍に存在するので、本形鋼のように中立軸近
傍にある上フランジは薄肉かつ広幅であっても合成梁と
しての断面二次モーメント等断面性能に与える影響はほ
ぼ無視できる。Generally, the neutral axis of a composite beam after concrete hardens is located near the top flange, so even if the top flange near the neutral axis like this steel section is thin and wide, the moment of inertia of the composite beam, etc. The effect on cross-sectional performance is almost negligible.
上記の理由および粱形鋼の上フランジとその上に打設す
るコンクリートの付着能力を高める目的により、標準の
Ｈ形鋼のフランジ厚および幅をそれぞれｔｏｙ Ｂｏと
した時、本考案の合成梁に用いる不等辺縞付Ｈ形鋼１の
フランジ厚および幅はｔ□＝（０，６〜０．８） ｔＯ
９ＢＩ＝ （１，２〜１．６） Ｂｏ程度とする。For the above reasons and for the purpose of increasing the adhesion ability of the upper flange of the H-shaped steel and the concrete placed on it, when the flange thickness and width of the standard H-shaped steel are set to toy Bo, the composite beam of the present invention The flange thickness and width of the scalene striped H-beam 1 to be used are t□=(0.6 to 0.8) tO
9BI=(1,2-1.6) Bo approximately.
本考案は以上の構成よりなり、本考案の合成梁では粱形
鋼の上フランジのコンクリートと接触する突起有効幅が
広いので、コンクリートと形鋼相互の付着能力に優れ、
また、デツキプレートは形鋼の上フランジ平坦部７上に
載置されるため突起削除の工程が不要で、溶接等の問題
もなく、信頼性の面でも優れている。The present invention has the above-mentioned configuration, and the composite beam of the present invention has a wide effective width of the protrusion that contacts the concrete on the upper flange of the round shaped steel, so it has excellent adhesion ability between the concrete and the shaped steel,
Further, since the deck plate is placed on the flat part 7 of the upper flange of the shaped steel, there is no need for a process of removing protrusions, there is no problem such as welding, and the plate is excellent in terms of reliability.
さらに、中立軸との関係から、上フランジを薄肉広幅に
しており、付着能力を高めながら、断面性能、価格には
ほとんど影響を与えず、非常に合理的な断面を有する合
成梁となっている。Furthermore, in relation to the neutral axis, the upper flange is made thin and wide, increasing adhesion ability while having little effect on cross-sectional performance or price, resulting in a composite beam with a very reasonable cross-section. .
第１図は本考案の合成梁の断面図、第２図は不等辺縞付
Ｈ形鋼とデツキプレートの一部を示す斜視図、第３図は
等辺縞付Ｈ形鋼の断面図、第４図は不等辺縞付Ｈ形鋼の
断面図である。
１・・・・・・不等辺縞付Ｈ形鋼、１′・・・・・・等
辺縞付Ｈ形鋼、２・・・・・・デツキプレート、３・・
・・・・突起、４・・・・・・平坦部、５・・・・・・
ＲＣスラブ、６・・曲小口塞ぎ。Fig. 1 is a sectional view of the composite beam of the present invention, Fig. 2 is a perspective view showing a part of the H-beam with scalene stripes and a deck plate, and Fig. 3 is a sectional view of the H-beam with equilateral stripes. Figure 4 is a cross-sectional view of an H-beam with scalene stripes. 1...H section steel with scalene stripes, 1'...H section steel with equilateral stripes, 2...Deck plate, 3...
...Protrusion, 4...Flat part, 5...
RC slab, 6... Song end closed.
Claims (2)
肉で、上フランジ表面中央部に凹凸の縞を、その両側部
には縞のない平坦部を一体として形威しである形鋼を使
用し、前記平坦部にデツキプレートの端部を載置し、デ
ツキプレートおよび前記梁形鋼上にＲＣスラブを打設し
であることを特徴とする合成梁。(1) The steel frame uses a shaped steel whose upper flange is wider and thinner than the lower flange, with uneven stripes at the center of the upper flange surface and flat sections without stripes on both sides. A composite beam characterized in that an end of a deck plate is placed on the flat portion, and an RC slab is cast on the deck plate and the beam shaped steel.
案登録請求の範囲第１項記載の合成梁。(2) The composite beam according to claim 1, wherein the uneven stripes are formed by a large number of protrusions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9224578U JPS6029533Y2 (en) | 1978-07-04 | 1978-07-04 | Composite beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9224578U JPS6029533Y2 (en) | 1978-07-04 | 1978-07-04 | Composite beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS559363U JPS559363U (en) | 1980-01-22 |
| JPS6029533Y2 true JPS6029533Y2 (en) | 1985-09-06 |
Family
ID=29022235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9224578U Expired JPS6029533Y2 (en) | 1978-07-04 | 1978-07-04 | Composite beam |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6029533Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5993704U (en) * | 1982-12-13 | 1984-06-26 | 野上 昭治 | separator |
| JP6645193B2 (en) * | 2016-01-08 | 2020-02-14 | 日本製鉄株式会社 | Horizontal material, structure for mounting surface material using horizontal material, and structure for mounting surface material and frame material using horizontal material |
-
1978
- 1978-07-04 JP JP9224578U patent/JPS6029533Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS559363U (en) | 1980-01-22 |
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