JPH0430048A - Shear connector for composite beam - Google Patents
Shear connector for composite beamInfo
- Publication number
- JPH0430048A JPH0430048A JP13674990A JP13674990A JPH0430048A JP H0430048 A JPH0430048 A JP H0430048A JP 13674990 A JP13674990 A JP 13674990A JP 13674990 A JP13674990 A JP 13674990A JP H0430048 A JPH0430048 A JP H0430048A
- Authority
- JP
- Japan
- Prior art keywords
- shear connector
- shear
- concrete
- plug welding
- hat
- 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
- 239000002131 composite material Substances 0.000 title claims description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 238000003466 welding Methods 0.000 claims abstract description 15
- 239000004567 concrete Substances 0.000 abstract description 18
- 238000010586 diagram Methods 0.000 description 9
- 238000005452 bending Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000010354 integration Effects 0.000 description 4
- 238000012797 qualification Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003721 gunpowder Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Joining Of Building Structures In Genera (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、建築構造物における合成梁その他に使用する
合成梁用シャーコネクターに関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a shear connector for composite beams used for composite beams in building structures and others.
鉄骨とコンクリートを一体化するためのシャーコネクタ
ーとしては、従来、第１３図ａ、ｂに示される円柱の頭
ｆ−ｊきスタッド１５及び改良された角柱の頭付きスタ
ッド１５′（先行技術文献として実公昭５１１１−４１
２８５号がある。）や第１４図ａ、ｂに示されるヒルテ
ィ・シャーコネクター１６（公知文献として日本ヒルテ
ィ株式会社発行のヒルティ・シャーコネクターＨＶＢ８
０−ＨＶＢ１０５使用による鉄骨鉄筋コンクリート合成
設計のカタログがある。）がある。Conventionally, as shear connectors for integrating steel frames and concrete, the cylindrical headed stud 15 shown in FIGS. Jikosho 5111-41
There is No. 285. ) and the Hilti Shear Connector 16 shown in Figures 14a and b (publicly known documents include the Hilti Shear Connector HVB8 published by Hilti Japan Ltd.
There is a catalog of steel reinforced concrete composite design using 0-HVB105. ).
ところで、頭付きスタッド１５．１５’ は合成梁用シ
ャーコネクターとして、広く使用されているが、このス
タッド１５．１５’ は鉄骨との一体化を強め、特に鉄
骨方向の横ずれを防ぐために一定以上の大きさを有して
いることが必要で、通常はボルト部分の直径が１３＋ｎ
から２２＋ｏ＋ｓで高さは７ｏ龍から１５０＋ｍ＋ｓの
ものが使用されている。このスタッドボルトを鉄骨上に
溶植するためには、アークスタッド溶接機のような専用
溶接機を用いなければならない。By the way, the headed stud 15.15' is widely used as a shear connector for composite beams, but this stud 15.15' is designed to strengthen integration with the steel frame, and in particular to prevent lateral displacement in the direction of the steel frame. The diameter of the bolt part is usually 13+n.
From 22+o+s, the height is from 7o dragon to 150+m+s. In order to weld the stud bolt onto the steel frame, a special welding machine such as an arc stud welding machine must be used.
また、ヒルティ・シャーコネクター１６の場合は、専用
のガンによる火薬を用いたピン打ち込み方式であるため
、特殊な専用機か必要なだけでなく、作業者の資格が特
別に必要であり、且つ作業の都度届出が必要である。In addition, in the case of the Hilti Shear Connector 16, the pin driving method uses gunpowder with a special gun, which not only requires a special dedicated machine, but also requires special qualifications for the operator. Notification is required each time.
そこで本発明は、コンクリートと鉄骨との一体化のため
のシャーコネクターとしての機能に優れ、また鉄骨への
取付けの容易な合成梁用シャーコネクターを提供しよう
とするものである。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a shear connector for composite beams that has an excellent function as a shear connector for integrating concrete and steel frames and is easy to attach to steel frames.
上記課題を解決するための本発明の合成梁用シャーコネ
クターは、断面がハツト型の薄鋼板からなるシャーコネ
クターであって、頂部と、その頂部の両側端から下方に
延びる傾斜部または垂直部と、その傾斜部または垂直部
の他端から外方に延びる水平部を有し、両水平部のほぼ
中央に栓溶接用の孔を有することを特徴とするものであ
る。The shear connector for composite beams of the present invention to solve the above problems is a shear connector made of a thin steel plate with a hat-shaped cross section, and includes a top part and an inclined part or a vertical part extending downward from both ends of the top part. , having a horizontal portion extending outward from the other end of the inclined or vertical portion, and having a hole for plug welding approximately in the center of both horizontal portions.
上記のように構成された本発明の合成梁用シャーコネク
ターは、鉄骨上の長手方向に配列載置し、下辺の水平部
の栓溶接用の孔にて栓溶接して固定し、鉄骨上にコンク
リートを打設して合成梁を築造する。こうして築造され
た合成梁は、シャーコネクターかハツト型であるため、
コンクリートがシャーコネクターの下側にまわり込み、
鉄骨とコンクリートとの一体化が強まる。特にシャーコ
ネクターは鉄骨方向の横ずれに対する曲げ剛性が大きい
ので変形が少なく、またコンクリートから受ける圧縮応
力に対しても支圧面での耐力が大きいので、コンクリー
ト上の支圧圧壊が生じにくい。The shear connectors for composite beams of the present invention configured as described above are arranged and placed on the steel frame in the longitudinal direction, fixed by plug welding using the plug welding holes in the horizontal part of the lower side, and then placed on the steel frame. Pour concrete and construct composite beams. The composite beams constructed in this way are either shear connector or hat type, so
The concrete wraps around the underside of the shear connector,
The integration of steel and concrete will become stronger. In particular, shear connectors have high bending rigidity against lateral displacement in the direction of the steel frame, so there is little deformation, and the bearing surface has a high resistance to compressive stress from concrete, so bearing pressure collapse on the concrete is less likely to occur.
また本発明の合成梁用シャーコネクターは、鉄骨上に栓
溶接して固定できるので、従来のように特別な専用機器
は必要とせず、作業員は１名ですみ、かつ作業者に特別
の資格を必要としない。しかも作業者は熟練を要せず、
施工が容易である。In addition, since the shear connector for composite beams of the present invention can be fixed on the steel frame by plug welding, it does not require special dedicated equipment unlike conventional methods, and requires only one worker, and requires special qualifications for the worker. does not require. Moreover, the operator does not need to be skilled,
Construction is easy.
本発明の合成梁用シャーコネクターの実施例を図によっ
て説明する。第１図ａ、ｂ、ｃに示す実施例は、断面ハ
ツト型の厚さ２４ｍｍの薄鋼板からなるシャーコネクタ
ー１であって、長さ１０ｍ＋＊、幅３０＋ｎ■の平坦な
頂部２と、その平坦な頂部２の両側端から下方に延びる
上辺３０關、下辺５０ｍ、高さ８０關の台形の傾斜部３
，３と、その傾斜部３．３の他端から外方に延びる長さ
４０ｍｍ、幅５０關の水平部４．４を有し、両水平部４
．４のほぼ中央に栓溶接用の孔５，５を有する。尚、両
側の傾斜部３゜３の傾斜角は７２度で、傾斜部３．３の
下端間の寸法は８５＋ｎである。An embodiment of the shear connector for composite beams of the present invention will be described with reference to the drawings. The embodiment shown in FIGS. 1a, b, and c is a shear connector 1 made of a thin steel plate with a hat-shaped cross section and a thickness of 24 mm. A trapezoidal inclined part 3 having an upper side of 30 meters, a lower side of 50 meters, and a height of 80 meters extending downward from both ends of the top part 2.
, 3, and a horizontal portion 4.4 having a length of 40 mm and a width of 50 mm extending outward from the other end of the inclined portion 3.3, and both horizontal portions 4.
．． There are holes 5, 5 for plug welding approximately in the center of 4. The angle of inclination of the inclined parts 3.3 on both sides is 72 degrees, and the dimension between the lower ends of the inclined parts 3.3 is 85+n.
第２図ａ、ｂ、ｃに示す他の実施例の合成梁用シャーコ
ネクター１′は、前記実施例と同一寸法、形状の平坦な
頂部２と傾斜部３，３と水平部４゜４を有し、水平部４
．４に栓溶接用の孔５．５を有する外、傾斜部３．３及
び水平部４，４の両側端に直角に立上がる高さ８ｍｍの
リブ６．６を設け、コンクリートとの結合力を強化する
ために平坦な頂部２の中央に直径８＋ｓ＋ｓの円孔７を
設け、傾斜部３．３の中央に長さ４５ｍｍ、下辺幅１８
ｍｍの三角形状の長孔８を設けたものである。A shear connector 1' for a composite beam according to another embodiment shown in FIGS. horizontal part 4
．． 4 has a hole 5.5 for plug welding, and ribs 6.6 with a height of 8 mm rising at right angles are provided on both sides of the inclined part 3.3 and the horizontal parts 4, 4 to increase the bonding force with the concrete. In order to strengthen it, a circular hole 7 with a diameter of 8+s+s is provided in the center of the flat top 2, and a hole 7 with a length of 45 mm and a bottom width of 18 is provided in the center of the sloped portion 3.3.
A triangular elongated hole 8 of mm in diameter is provided.
上記２つの実施例の合成梁用シャーコネクター１．１′
を第３図及び第４図に示す如くＨ形鋼の梁９上の長手方
向に一定間隔に横向きに配列載置し、下辺の水平部４．
４の孔５．５にて栓溶接して固定し、梁９上にコンクリ
−）１０を打設して合成梁１１．１１’ を築造した。Shear connector 1.1' for composite beams of the above two embodiments
as shown in FIGS. 3 and 4, are arranged and mounted horizontally at regular intervals in the longitudinal direction on the H-beam beam 9, and the lower horizontal portion 4.
The composite beams 11 and 11' were constructed by plug welding and fixing them in holes 5.5 of 4 and pouring concrete 10 on the beams 9.
こうして築造した合成梁１１．１１’ は夫々シャーコ
ネクター１，１′かハツト型であるためコンクリートＩ
Ｏがシャーコネクター１，１′の下側にまわり込み、シ
ャーコネクター１．１′のコンクリート１０との接触面
積が大きく、梁９とコンクリート１０との一体化か強ま
る。特にシャーコネクター１，１′は梁９の長手方向の
横すれに対する曲げ剛性か大きいので変形が少なく、ま
たコンクリートＩＯから受ける圧縮応力に対しても支圧
面ての耐力が大きいので、コンクリートｌＯの支圧圧壊
が生じにくい。The composite beams 11 and 11' constructed in this way are respectively shear connectors 1 and 1' or hat-shaped, so concrete I
O wraps around the lower side of the shear connectors 1, 1', the contact area of the shear connectors 1, 1' with the concrete 10 is large, and the integration of the beam 9 and the concrete 10 is strengthened. In particular, the shear connectors 1 and 1' have a high bending rigidity against lateral sliding in the longitudinal direction of the beam 9, so there is little deformation, and they also have a large bearing capacity against the compressive stress received from the concrete IO, so they are suitable for supporting the concrete IO. Crushing is less likely to occur.
上記実施例のシャーコネクター１．１′が曲げ耐力、支
圧耐力に優れることを裏付けるために、従来の第１３図
ａに示す頭付きスタッド（直径１６ｍｍ）及び第１４図
ａ、ｂに示すヒルティ・シャーコネクター（ＨＶＢ８０
）と共にＨ形鋼の梁上に溶接して押抜き実験を行った処
、第５図ａ乃至ｄのグラフに示すような結果を得た。第
５図ａは第１図の実施例のシャーコネクター１、同図す
は第２図の実施例のシャーコネクター１′、同図Ｃは第
１３図ａの頭付きスタッド、同図ｄは第１４図ａ、ｂに
示すヒルティ・シャーコネクターの変形量を示すもので
、これらのグラフから明らかなように実施例のシャーコ
ネクターは、従来のヒルティ・シャーコネクターよりも
優れ、頭付きスタッドと同等の曲げ耐力、支圧耐力を有
することが判る。In order to prove that the shear connector 1.1' of the above embodiment has excellent bending strength and bearing pressure strength, we used conventional headed studs (diameter 16 mm) shown in Figure 13a and Hilti connectors shown in Figures 14a and 14b.・Shear connector (HVB80
) was welded onto an H-section steel beam and a punching experiment was conducted, and the results shown in the graphs in Figures 5a to 5d were obtained. 5a shows the shear connector 1 of the embodiment shown in FIG. 1, FIG. 5 shows the shear connector 1' of the embodiment shown in FIG. 2, C shows the headed stud of FIG. Figures 14a and 14b show the amount of deformation of the Hilti-Shear connector.As is clear from these graphs, the shear connector of the example is superior to the conventional Hilti-Shear connector, and has the same level of deformation as the headed stud. It can be seen that it has good bending strength and bearing pressure strength.
尚、第２図のシャーコネクター１′の傾斜部３゜３の三
角形状の長孔８は、第６図に示す如く順次径の大きい円
孔１２ａ、 １２ｂ、 １２ｃを一定間隔に上部。The triangular elongated hole 8 of the inclined portion 3°3 of the shear connector 1' shown in FIG. 2 has circular holes 12a, 12b, and 12c of successively larger diameters arranged at regular intervals in the upper part, as shown in FIG.
中間、下部に穿設するのに代えても良い。It may be replaced by drilling in the middle or lower part.
また、第２図のシャーコネクター１′において、水平部
４，４の両側端にリブ６．６を設けているが、第７図に
示す如く水平部４，４の末端にもリブ６．６を設けると
、梁の長手方向の横ずれに対する曲げ剛性がより大きく
なる。Furthermore, in the shear connector 1' shown in FIG. 2, ribs 6.6 are provided at both ends of the horizontal parts 4, 4, but ribs 6.6 are also provided at the ends of the horizontal parts 4, 4 as shown in FIG. By providing this, the bending rigidity against lateral displacement in the longitudinal direction of the beam becomes greater.
さらに、第２図のシャーコネクター１′における傾斜部
３．３のリブ６．６の上端及び水平部４゜４のリブ６．
６の末端は、第８図に示す如く円弧状にすると、角部が
なくなって運搬１作業上取扱い易くなる。Furthermore, the upper end of the rib 6.6 of the inclined part 3.3 and the rib 6.6 of the horizontal part 4.4 in the shear connector 1' of FIG.
If the end of 6 is made into an arc shape as shown in FIG. 8, there will be no corners and it will be easier to handle during transportation 1.
また、第１図及び第２図のシャーコネクター１゜１′の
水平部４．４の末端も第９図及び第１Ｏ図に示す如く円
弧状にすると、角部がなくなって運搬。Furthermore, if the ends of the horizontal portions 4.4 of the shear connectors 1° 1' in FIGS. 1 and 2 are also made into an arc shape as shown in FIGS. 9 and 1O, there will be no corners for transportation.
作業上取扱い易くなる。Easier to handle during work.
さらに上記各実施例は、平坦な頂部２の両側端から下方
に延びる傾斜部３．３を設けた場合であるが、第１１図
及び第１２図に示す如く平坦な頂部２の両側端から下方
に延びる垂直部１３．１３を設け、その垂直部１３．１
３の他端から外方に延びる水平部４．４を設ける場合も
ある。Further, each of the above embodiments is a case in which inclined portions 3.3 are provided that extend downward from both ends of the flat top portion 2, but as shown in FIGS. 11 and 12, the inclined portions 3.3 A vertical section 13.13 is provided which extends to the vertical section 13.1.
There may also be a horizontal section 4.4 extending outwardly from the other end of 3.
また上記各実施例は頂部２が平坦であるが、円弧状に上
方或いは下方に弯曲していても良いものである。Further, in each of the above embodiments, the top portion 2 is flat, but it may be curved upward or downward in an arc shape.
以上の通り本発明の合成梁用シャーコネクターは、ハツ
ト型であるので鉄骨とコンクリートとの一体化を強める
ことができ、特に鉄骨方向の横ずれに対する曲げ剛性が
大きいので変形が少なく、またコンクリートから受ける
圧縮応力に対しても支圧面での耐力か大きいので、コン
クリートの支圧圧壊が生しにくい。As described above, the shear connector for composite beams of the present invention is hat-shaped, so it can strengthen the integration between the steel frame and concrete.In particular, it has high bending rigidity against lateral displacement in the direction of the steel frame, so there is little deformation, and it is also susceptible to damage from concrete. Since the bearing surface has a large bearing capacity against compressive stress, concrete is less likely to collapse under bearing pressure.
また本発明の合成梁用シャーコネクターは、鉄骨上に栓
溶接して固定できるので、従来のように特別な専用機器
は必要とせず、作業員は１名ですみ、かつ作業者に特別
な資格を必要としない。しかも作業者は熟練を要せず、
施工が容易である。In addition, the shear connector for composite beams of the present invention can be fixed on the steel frame by plug welding, so it does not require special dedicated equipment and requires only one worker, and requires no special qualifications for the worker. does not require. Moreover, the operator does not need to be skilled,
Construction is easy.
第１図は本発明の合成梁用シャーコネクターの一実施例
を示すもので、ａは平面図、ｂは正面図、Ｃは右側面図
、第２図は他の実施例を示すもので、ａは平面図、ｂは
正面図、Ｃは右側面図、第３図及び第４図は第１図及び
第２図の合成梁用シャーコネクターを用いて合成梁を築
造した状態を示す断面図、第５図ａ、ｂ、ｃ、ｄは第１
図及び第２図の実施例の合成梁用シャーコネクターと従
来の第１３図ａの頭付きスタッドと第１４図のヒルティ
・シャーコネクターの押抜き実験の結果を示すグラフ、
第６図乃至第８図は夫々第２図の合成梁用シャーコネク
ターの一部変更例を示す図、第９図及び第１０図は第１
図及びｍ１２図の合成梁用シャーコネクターの一部変更
例を示す平面図、第１１図及び第１２図は夫々本発明の
合成梁用シャーコネクターの他の実施例を示す正面図、
第１３図ａ、ｂは夫々従来の頭付きスタッドを示す斜視
図、第１４図ａ、ｂは従来のヒルティ中シャーコネクタ
ーを示す縦断面図及び右側面図である。
１．１′・・・合成梁用シャーコネクター２・・・平坦
な頂部 ３・・・傾斜部４・・・水平部
５・・・栓溶接用の孔１３・・・垂直部
出 願 人 日鐵建材工業株式会社
第
図
第
図
第
図（ａ）
第
図（ｂ）
事ン形ミソ
第
因
（Ｃ）
膏ｑシ ξ°ノ
第
図
（ｄ）
受ホ ミソ
第
図
第
図
第
図
第１０図
第
１１図
第
図
第
図
（ａ）
（ｂ）
城Fig. 1 shows one embodiment of the shear connector for composite beams of the present invention, in which a is a plan view, b is a front view, C is a right side view, and Fig. 2 is another embodiment. a is a plan view, b is a front view, C is a right side view, and Figures 3 and 4 are cross-sectional views showing a composite beam constructed using the shear connector for composite beams shown in Figures 1 and 2. , Figure 5 a, b, c, d are the first
Graphs showing the results of punching experiments of the composite beam shear connector of the embodiment shown in FIG. 2, the conventional headed stud of FIG. 13a, and the Hilti shear connector of FIG. 14,
Figures 6 to 8 are views showing partially modified examples of the composite beam shear connector shown in Figure 2, and Figures 9 and 10 are views of the shear connector for composite beams shown in Figure 1.
11 and 12 are respectively front views showing other embodiments of the shear connector for composite beams of the present invention,
FIGS. 13a and 13b are perspective views showing a conventional headed stud, and FIGS. 14a and 14b are a vertical sectional view and a right side view of a conventional Hilti medium shear connector. 1.1'...Shear connector for composite beam 2...Flat top part 3...Slanted part 4...Horizontal part
5... Hole 13 for plug welding... Vertical part Applicant Nippon Steel Kenzai Kogyo Co., Ltd. Figure (a) Figure (b) Circumstances (C) ξ° Diagram (d) Uke Ho Mizo Diagram Diagram Diagram Diagram Diagram 10 Diagram 11 Diagram Diagram (a) (b) Castle
Claims (1)
であって、頂部と、その頂部の両側端から下方に延びる
傾斜部または垂直部と、その傾斜部または垂直部の他端
から外方に延びる水平部を有し、両水平部のほぼ中央に
栓溶接用の孔を有することを特徴とする合成梁用シャー
コネクター。1) A shear connector made of a thin steel plate with a hat-shaped cross section, which includes a top, an inclined part or a vertical part extending downward from both ends of the top, and an outward extension from the other end of the inclined part or vertical part. A shear connector for a composite beam, characterized in that it has a horizontal part and a hole for plug welding approximately in the center of both horizontal parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13674990A JPH0768723B2 (en) | 1990-05-25 | 1990-05-25 | Shear connector for composite beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13674990A JPH0768723B2 (en) | 1990-05-25 | 1990-05-25 | Shear connector for composite beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0430048A true JPH0430048A (en) | 1992-02-03 |
| JPH0768723B2 JPH0768723B2 (en) | 1995-07-26 |
Family
ID=15182610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13674990A Expired - Lifetime JPH0768723B2 (en) | 1990-05-25 | 1990-05-25 | Shear connector for composite beam |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0768723B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005031081A1 (en) * | 2003-10-01 | 2005-04-07 | B.B.M. Korea Co., Ltd. | Shear connector using perforated and/or cut out plate |
| CN105569271A (en) * | 2016-02-19 | 2016-05-11 | 中南大学 | Composite shear connection piece of steel-concrete structure and manufacturing and installing method thereof |
| CN106223188A (en) * | 2016-09-27 | 2016-12-14 | 广东工业大学 | A kind of bridge and shearing resistance combinative structure thereof |
-
1990
- 1990-05-25 JP JP13674990A patent/JPH0768723B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005031081A1 (en) * | 2003-10-01 | 2005-04-07 | B.B.M. Korea Co., Ltd. | Shear connector using perforated and/or cut out plate |
| CN105569271A (en) * | 2016-02-19 | 2016-05-11 | 中南大学 | Composite shear connection piece of steel-concrete structure and manufacturing and installing method thereof |
| CN106223188A (en) * | 2016-09-27 | 2016-12-14 | 广东工业大学 | A kind of bridge and shearing resistance combinative structure thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0768723B2 (en) | 1995-07-26 |
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