JPH0729121Y2 - Composite structural beam - Google Patents
Composite structural beamInfo
- Publication number
- JPH0729121Y2 JPH0729121Y2 JP10300788U JP10300788U JPH0729121Y2 JP H0729121 Y2 JPH0729121 Y2 JP H0729121Y2 JP 10300788 U JP10300788 U JP 10300788U JP 10300788 U JP10300788 U JP 10300788U JP H0729121 Y2 JPH0729121 Y2 JP H0729121Y2
- Authority
- JP
- Japan
- Prior art keywords
- formwork
- steel plate
- composite structural
- shearing force
- flange
- 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 - Lifetime
Links
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- Rod-Shaped Construction Members (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 この考案は鋼板によって形成した梁型枠を使用し内部に
コンクリートを打設した合成構造梁に関するものであ
る。[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a composite structural beam in which concrete is placed inside a beam form made of steel plate.
〔従来技術〕 従来特開昭52-15117号公報、特開昭53-90612号公報に記
載されたような合成構造梁が開発されている。この公報
に記載された合成構造梁は、鋼板を断面略Ｕ字状に屈曲
して形成した梁型枠内にコンクリートを打設して形成す
るもので、施工の簡略化と梁の靱性の向上を図ったもの
である。[Prior Art] Conventionally, composite structural beams as described in JP-A-52-15117 and JP-A-53-90612 have been developed. The composite structural beam described in this publication is formed by placing concrete in a beam form formed by bending a steel plate into a substantially U-shaped cross section, and simplifies the construction and improves the toughness of the beam. Is intended.
以上のような構成には以下のような問題点がある。 The above configuration has the following problems.
（イ）梁型枠に使用する鋼板が平坦な表面であると、こ
の梁型枠へ剪断力が十分に伝達しない。(A) If the steel plate used for the beam formwork has a flat surface, the shearing force is not sufficiently transmitted to this beam formwork.
（ロ）梁型枠は作用する剪断力に抵抗させるために、使
用する鋼板の厚さを厚くして面外剛性を高めねばなら
ず、多くの鋼材を使用して不経済であった。(B) In order to resist the shearing force applied to the beam formwork, it is necessary to increase the thickness of the steel sheet used to increase the out-of-plane rigidity, and it is uneconomical to use many steel materials.
この考案は以上のような課題を解決するためになされた
もので、梁型枠への剪断力伝達が良好に行えるととも
に、梁型枠の面外剛性が大きな剛性構造梁を提供するこ
とを目的とする。The present invention has been made to solve the above problems, and an object thereof is to provide a rigid structure beam which can favorably transmit the shearing force to the beam formwork and has a large out-of-plane rigidity of the beam formwork. And
この考案は少なくとも一内表面に複数本の突条を突設し
た鋼板を使用して断面略Ｕ字状の梁型枠を構成し、かつ
側型枠頂部に剪断力伝達機構となるフランジが側型枠内
方に突設してあり、この梁型枠内にコンクリートを打設
してなる合成構造梁であり、また２番目の考案は梁側型
枠頂部のフランジに有頭スタッドボルトを設けてある合
成構造梁である。In this invention, a beam formwork having a substantially U-shaped cross section is constructed by using a steel plate having at least one inner surface provided with a plurality of protrusions, and a flange serving as a shearing force transmission mechanism is provided on the side of the side formwork side. This is a composite structural beam that is formed by projecting inward of the formwork, and concrete is placed in this beam formwork. The second invention is to install a headed stud bolt on the flange on the top of the formwork on the beam side. It is a composite structural beam.
鋼板の突条によって梁に作用する剪断力が梁型枠に伝達
される。The shear force acting on the beam by the ridges of the steel plate is transmitted to the beam form.
鋼板が突条によって強度を増し、梁型枠の面外剛性が大
きくなる。The steel plate increases the strength due to the ridges, and the out-of-plane rigidity of the beam formwork increases.
鋼板は横断面波形となるよう屈曲すれば、梁型枠の面外
剛性も増すとともに、剪断力をより良好に伝達できる。
さらに剪断力伝達具によって向上させることができる。If the steel plate is bent so as to have a corrugated cross section, the out-of-plane rigidity of the beam formwork is increased and the shearing force can be transmitted better.
Further, it can be improved by a shear force transmitting device.
また突条は、平行な複数本の突条を二方向に向って形成
し、互いに交差させることによって梁型枠に作用する二
方向の力への強度を高めることができる。The ridges can be formed by forming a plurality of parallel ridges in two directions and intersecting each other to increase the strength against a bidirectional force acting on the beam form.
以下、図に示す一実施例に基づきこの考案を詳細に説明
する。Hereinafter, the present invention will be described in detail based on an embodiment shown in the drawings.
図において１は梁型枠であって、少なくとも一内表面に
突条３を有する鋼板２を使用して形成されている。鋼板
２としては例えば第４図に示すようなものが採用でき
る。すなわち互いに方向の異なる複数本の平行な突条3
a、3aと他の複数本の平行な突条3b、3bが交差状に突設
されている。In the figure, 1 is a beam form, which is formed by using a steel plate 2 having a ridge 3 on at least one inner surface. As the steel plate 2, for example, one shown in FIG. 4 can be adopted. That is, a plurality of parallel ridges 3 with different directions
a, 3a and a plurality of other parallel ridges 3b, 3b are provided so as to cross each other.
第１図に示す実施例は、鋼板２が、突条３を形成した面
を内側として断面略Ｕ字状に形成された梁型枠１を使用
している。この梁型枠１を梁鉄骨または柱鉄骨間に掛け
渡して、この梁型枠１内には上端主筋5aと下端主筋5bを
長手方向に沿って配筋する。梁型枠１の左右両側には床
用デッキプレート６、６を各々配する。上端主筋5aには
逆Ｕ字形異形鉄筋よりなる剪断補強筋８を適宜間隔離し
て複数配設する。梁型枠１内とデッキプレート６、６上
にコンクリート９を打設してこの考案にかかる合成構造
梁とスラブを構築する。The embodiment shown in FIG. 1 uses a beam formwork 1 in which a steel plate 2 has a U-shaped cross section with the surface on which the ridge 3 is formed as the inside. The beam form 1 is bridged between beam steel frames or column steel frames, and an upper main bar 5a and a lower main bar 5b are arranged in the beam frame 1 along the longitudinal direction. Floor deck plates 6, 6 are arranged on the left and right sides of the beam form 1, respectively. A plurality of shear reinforcing bars 8 made of inverted U-shaped deformed reinforcing bars are arranged on the upper end main bars 5a while being appropriately separated. Concrete 9 is placed in the beam form 1 and on the deck plates 6 and 6 to construct the composite structural beam and slab according to the present invention.
第１図に示す梁型枠１は、突条３を有する鋼板２、２を
左右に平行に向き合せ、この左右の鋼板２、２の下端間
を厚手の平坦な鋼板からなる下端フランジ14によって覆
い、断面略Ｕ字状の梁型枠１が構成されている。梁型枠
１の側型枠となる左右鋼板２、２の頂部には、長手方向
に連続する剪断力伝達機構となる上端フランジ15、15が
溶接されて、側型枠内方に突設されている。The beam formwork 1 shown in FIG. 1 has steel plates 2 and 2 having ridges 3 facing each other in parallel to each other, and a lower end flange 14 formed of a thick flat steel plate between the lower ends of the left and right steel plates 2 and 2. A beam form 1 having a substantially U-shaped cross section is formed. Upper end flanges 15, 15 which are continuous shearing force transmission mechanisms in the longitudinal direction are welded to the tops of the left and right steel plates 2, 2 which are side molds of the beam formwork 1 and project inside the side molds. ing.
第２図に示すのは、梁型枠１の面外剛性を高めるために
左右の鋼板２、２を断面波形に屈曲したものである。断
面波形とは、屈曲部分がなだらかなカーブを描く場合の
他、先端を角ばらせて凹凸形成した場合も含む。この鋼
板２、２の下端に下端フランジ14、上端に上端フランジ
15、15を工場にて溶接して梁型枠１を形成してある。FIG. 2 shows that the left and right steel plates 2 and 2 are bent in a corrugated section in order to increase the out-of-plane rigidity of the beam formwork 1. The cross-sectional waveform includes not only the case where the bent portion draws a gentle curve, but also the case where the tip is angled to form unevenness. The lower ends of the steel plates 2 and 2 have a lower end flange 14 and the upper ends thereof have an upper end flange.
Beam formwork 1 is formed by welding 15 and 15 at the factory.
第３図に示すのは第２図の構成では梁の剪断力伝達に突
条では不足する場合、第２図の構成に剪断力伝達機構と
なる頭付スタッドボルト10を突設した場合である。FIG. 3 shows the case in which the projections are insufficient for transmitting the shearing force of the beam in the configuration of FIG. 2, and the case where the headed stud bolt 10 serving as the shearing force transmitting mechanism is projectingly provided in the configuration of FIG. .
この考案は以上のような構成を有し、以下のような効果
を得ることができる。The present invention has the above-mentioned configuration and can obtain the following effects.
（ａ）突条が突設された鋼板を使用して梁型枠を形成す
るため、突条の凹凸によって剪断力が梁型枠に伝達さ
れ、梁型枠によって剪断力を受ける強度の大きな合成構
造梁となる。(A) Since the beam form is formed by using a steel plate having protruding ridges, the shear force is transmitted to the beam form by the projections and depressions of the ridge, and the beam form has a large strength to receive the shearing force. It becomes a structural beam.
（ｂ）突条によって鋼板強度が増すため、これによって
梁型枠の面外剛性が大きくなり、コンクリート打設時の
コンクリート側圧に有効に耐えることができる。(B) Since the strength of the steel plate is increased by the ridges, the out-of-plane rigidity of the beam formwork is increased thereby, and it is possible to effectively withstand the concrete lateral pressure during concrete pouring.
（ｃ）鋼板を横断面波形となるように使用すれば、梁型
枠の面外剛性がさらに増すとともに、波形の凹凸により
コンクリート打設時のコンクリート側圧に耐えるととも
に、打設時の剪断力をより良好に受け持つことができ
る。また、より剪断強度の大きな合成構造梁となる。(C) If the steel plate is used so as to have a corrugated cross section, the out-of-plane rigidity of the beam formwork is further increased, and the unevenness of the corrugation withstands the concrete lateral pressure during concrete pouring, and the shearing force during pouring is increased. Can be better served. Moreover, it becomes a synthetic structural beam having a greater shear strength.
（ｄ）梁型枠の側型枠頂部に剪断力伝達機構となるフラ
ンジが側型枠内方に突設してあるので剪断強度の大きい
合成構造とすることができ、前記フランジにスタッドボ
ルト等の剪断力伝達機構を設ければ、剪断力伝達をさら
に良好に行える。(D) Since a flange serving as a shearing force transmitting mechanism is provided at the top of the side formwork of the beam formwork so as to project inward of the side formwork, a synthetic structure having a large shear strength can be obtained, and a stud bolt or the like is provided on the flange. If the shearing force transmission mechanism is provided, the shearing force can be transmitted even better.
第１図、第２図、第３図はこの考案にかかる合成構造梁
を示すものであって、各Ｉはその断面図、各IIは各Ｉの
ａ−ａ線断面図、各IIIは各Ｉのｂ−ｂ断面図、第４図
は鋼板の斜視図である。 １……梁型枠、２……鋼板、３……突条、６……デッキ
プレート、８……剪断補強筋、９……コンクリート、10
……スタッドボルト、14……下端フランジ、15……フラ
ンジ。FIGS. 1, 2, and 3 show a composite structural beam according to the present invention, each I is a sectional view thereof, each II is a sectional view taken along the line aa of each I, and each III is each 4 is a perspective view of a steel plate. 1 ... Beam form, 2 ... Steel plate, 3 ... Ridge, 6 ... Deck plate, 8 ... Shear reinforcement, 9 ... Concrete, 10
...... Stud bolt, 14 ...... Lower end flange, 15 ...... Flange.
───────────────────────────────────────────────────── フロントページの続き (72)考案者 福元 敏之 東京都調布市飛田給２丁目19番１号 鹿島 建設株式会社技術研究所内 (72)考案者 石井 孝二 東京都調布市飛田給２丁目19番１号 鹿島 建設株式会社技術研究所内 (72)考案者 小山 清一 東京都千代田区大手町１丁目１番３号 住 友金属工業株式会社内 (72)考案者 能勢 博司 東京都千代田区大手町１丁目１番３号 住 友金属工業株式会社内 (56)参考文献 特開 昭53−90612（ＪＰ，Ａ) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Toshiyuki Fukumoto Creator Toshiyuki Fukumoto 2-19-1 Tobita-cho, Chofu-shi, Tokyo Inside Kashima Construction Co., Ltd. (72) Creator Koji Ishii 2-1-11-1 Tobita, Chofu-shi, Tokyo Kashima Construction Co., Ltd. Technical Research Institute (72) Inventor Seiichi Koyama 1-3-1 Otemachi, Chiyoda-ku, Tokyo Sumitomo Metal Industries Co., Ltd. (72) Hiroshi Nose 1-1-Otemachi, Chiyoda-ku, Tokyo No. 3 in Sumitomo Metal Industries, Ltd. (56) References Japanese Patent Laid-Open No. 53-90612 (JP, A)
Claims (2)
した鋼板を使用して断面略Ｕ字状の梁型枠を構成し、か
つ側型枠頂部に剪断力伝達機構となるフランジが側型枠
内方に突設してあり、この梁型枠内にコンクリートを打
設してなることを特徴とする合成構造梁。1. A flange for forming a beam formwork having a substantially U-shaped cross section by using a steel plate having a plurality of projections formed on at least one inner surface, and having a shearing force transmission mechanism at the top of the side formwork. Is projecting inward of the side formwork, and concrete is placed in the beam formwork, which is a composite structural beam.
ルトを設けてあることを特徴とする請求項（１）記載の
合成構造梁。2. The composite structural beam according to claim 1, wherein a headed stud bolt is provided on the flange on the top of the beam-side formwork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10300788U JPH0729121Y2 (en) | 1988-08-03 | 1988-08-03 | Composite structural beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10300788U JPH0729121Y2 (en) | 1988-08-03 | 1988-08-03 | Composite structural beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0223607U JPH0223607U (en) | 1990-02-16 |
| JPH0729121Y2 true JPH0729121Y2 (en) | 1995-07-05 |
Family
ID=31333437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10300788U Expired - Lifetime JPH0729121Y2 (en) | 1988-08-03 | 1988-08-03 | Composite structural beam |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0729121Y2 (en) |
-
1988
- 1988-08-03 JP JP10300788U patent/JPH0729121Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0223607U (en) | 1990-02-16 |
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