CN1324198C - Shape steel-concrete combined beam - Google Patents
Shape steel-concrete combined beam Download PDFInfo
- Publication number
- CN1324198C CN1324198C CNB2004100305152A CN200410030515A CN1324198C CN 1324198 C CN1324198 C CN 1324198C CN B2004100305152 A CNB2004100305152 A CN B2004100305152A CN 200410030515 A CN200410030515 A CN 200410030515A CN 1324198 C CN1324198 C CN 1324198C
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- Prior art keywords
- section steel
- connecting piece
- steel
- shearing connecting
- shearing
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- 239000004567 concrete Substances 0.000 title claims abstract description 43
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 47
- 239000010959 steel Substances 0.000 claims abstract description 47
- 238000010008 shearing Methods 0.000 claims abstract description 33
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 abstract 5
- 239000011150 reinforced concrete Substances 0.000 abstract 4
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The present invention relates to a section steel-concrete composite beam, particularly to a bridge span component of a composite bridge, which comprises an upper steel reinforced concrete slab, a lower section steel beam and a shearing connecting piece between thereof. The present invention is characterized in that the shearing connecting piece is composed of continuous waved reinforcing steel bars on the section steel beam. Each single wave of the waved reinforcing steel bars is in isosceles trapezoid shape or polygon shape approximating the isosceles trapezoid. The top end at one side of each isosceles trapezoid connected with the section steel beam is fixedly welded and connected with the section steel beam, and each top end at the other side extends in the upper steel reinforced concrete slab. The shearing connecting piece of the section steel-concrete composite beam adopts an integral round steel bar to be bent into a continuous structure. The present invention has the advantages of extremely simple manufacturing and mounting, maximal binding force between the section steel and the reinforced concrete slab, strong ability of shearing resistance, and enhanced intensity of reinforced concrete. Compared with the section steel-concrete composite beam adopting mono-block shearing connecting piece under the same shearing strength, the integral cost of the composite beam of the present invention is greatly reduced.
Description
Technical field:
The present invention relates to a kind of spanning member of combined bridge, particularly a kind of shaped steel-concrete combination beam.
Background technology:
Shaped steel-concrete combination beam as combined bridge top (spanning) member has obtained application widely owing to have advantages such as own wt is light, construction costs is low, structure stress is reasonable, and becomes the principal mode of the structure of domestic and international combined bridge spanning gradually.Shaped steel-concrete combination beam is by section steel beam, armored concrete slab, and the shearing connecting piece that is positioned between the two constitutes, the shearing connecting piece of existing shaped steel-concrete combination beam all adopts monomer-type, mainly contain socket cap weldering nail connector, the channel-section steel connector, forms such as bent-up bar connector are (referring to Fig. 6～Fig. 8), in order to guarantee the intensity of shaped steel-concrete combination beam, every meter long Liang Shangxu arranges tens, dozens or even hundreds of shearing connecting piece, and must be according to the relevant building operations standard of country, spacing between the strict control shearing connecting piece, installation direction etc., thereby expended great amount of manpower, in man-hour, the cost and the difficulty of construction of compound beam have been increased.
Summary of the invention:
The technical problem to be solved in the present invention is: existing shaped steel-concrete combination beam adopts the existing shearing connecting piece of monomer-type shearing connecting piece various, consuming time, consumption power, the cost of compound beam and the problem of difficulty of construction have been increased, the shearing connecting piece that a kind of employing is provided is the shaped steel-concrete combination beam of continuous structure, the making of the shearing connecting piece of the continuous structure of this compound beam and construction and installation are very easy, the adhesion of itself and concrete slab is big, have under the same shear strength situation, cost greatly reduces than the cost of the shaped steel-concrete combination beam that adopts the monomer-type shearing connecting piece.
The technical scheme that solves its above-mentioned technical problem is: a kind of shaped steel-concrete combination beam, comprise armored concrete slab, section steel beam and the shearing connecting piece between top reinforcement concrete slab and lower floor's section steel beam, it is characterized in that: described shearing connecting piece is made of the continuous wave shape wave reinforcing bar that is positioned on the section steel beam, the polygon that is shaped as trapezoid or is similar to of the single ripple of this waveform reinforcing bar with trapezoid, each trapezoidal top on the one side that links to each other with section steel beam and section steel beam welding are fixing, and each top of another side is stretched in the armored concrete slab.
Because adopt said structure, shaped steel-concrete combination beam of the present invention has the following advantages:
1, the shearing connecting piece of Cai Yonging can directly be bent into whole round steel, and making and installation are very easy;
2, because the shearing connecting piece that adopts is a continuous structure, the adhesion maximum of itself and concrete slab, anti-shear ability is stronger;
3, because the shearing connecting piece that adopts is a continuous structure, can in concrete slab, play the effect of longitudinal reinforcement, the reinforcing steel bar concrete strength.
Because above characteristics, shaped steel-concrete combination beam of the present invention has under the same shear strength situation as the spanning member of combined bridge, and cost reduces greatly than the cost of the shaped steel-concrete combination beam that adopts the monomer-type shearing connecting piece; Shaped steel-concrete combination beam of the present invention also can be used as the beams and slabs of other buildings in addition---as house beam, aqueduct joist, crane girder or the like.
Description of drawings:
Fig. 1: the shaped steel of the embodiment of the invention one-concrete combination beam structural representation;
Fig. 2: the shaped steel of the embodiment of the invention two-concrete combination beam structural representation;
The A-A sectional view of Fig. 3: Fig. 1; The B-B sectional view of Fig. 4: Fig. 2;
Fig. 5: the structural representation of the shearing connecting piece of continuous structure of the present invention;
Fig. 6～Fig. 8: the structural representation of existing single shearing connecting piece;
Fig. 6-socket cap weldering nail connector, Fig. 7-channel-section steel connector, Fig. 8-bent-up bar connector.
The specific embodiment:
Embodiment one:
A kind of shaped steel-concrete combination beam, by armored concrete slab (1), section steel beam (3) and be positioned at top reinforcement concrete slab (1) and lower floor's section steel beam (3) between shearing connecting piece (2
1) form described shearing connecting piece (2
1) constitute by continuous wave shape wave reinforcing bar, the single ripple of this waveform reinforcing bar be shaped as trapezoid, described section steel beam is standard type girder steel or the section steel beam (3) that welded by steel plate, shearing connecting piece (2
1) each the trapezoidal top and section steel beam (3) welding on one side of linking to each other with section steel beam be fixing, (referring to Fig. 1, Fig. 3) in the armored concrete slab (1) stretched on each top of another side.
Embodiment two:
A kind of shaped steel-concrete combination beam, the section steel beam that constitutes by armored concrete slab (1), with shaped steel truss (4) and be positioned at shearing connecting piece (2 between top reinforcement concrete slab (1) and the lower floor's section steel beam
2) form described shearing connecting piece (2
2) constitute by continuous wave shape wave reinforcing bar, the single ripple of this waveform reinforcing bar be shaped as trapezoid, upper chord (5) the end face welding of each trapezoidal top on the one side that links to each other with the shaped steel truss and shaped steel truss is connected, and (referring to Fig. 2, Fig. 4) in the armored concrete slab (1) stretched on each top of another side.
As a kind of conversion of the embodiment of the invention one, embodiment two, the described shearing connecting piece (2 that constitutes by continuous wave shape wave reinforcing bar
1), (2
2) the shape of single ripple can also be to clip the sinusoidal waveform on top or the polygon approximate with trapezoid.
Among above-mentioned two embodiment, the trapezoidal height h value of described waveform bar cutting connector is greater than and equals 1/3 of concrete slab thickness H, be h 〉=1/3H, the length D on the trapezoidal top that links to each other with section steel beam is generally more than or equal to 4 times of bar diameter Φ d, be D 〉=4 Φ d, angle α=45 of trapezoidal waist and section steel beam °.
Claims (3)
1, a kind of shaped steel-concrete combination beam, comprise armored concrete slab, section steel beam and the shearing connecting piece between top reinforcement concrete slab and lower floor's section steel beam, it is characterized in that: described shearing connecting piece is made of the continuous wave shape wave reinforcing bar that is positioned on the section steel beam, the polygon that is shaped as trapezoid or is similar to of the single ripple of this waveform reinforcing bar with trapezoid, each trapezoidal top on the one side that links to each other with section steel beam and section steel beam welding are fixedly linked, and each top of another side is stretched in the armored concrete slab.
2, shaped steel-concrete combination beam according to claim 1 is characterized in that: described section steel beam is standard type girder steel or the section steel beam (3) that welded by steel plate, shearing connecting piece (2
1) directly weld with section steel beam and be fixedly linked.
3, shaped steel-concrete combination beam according to claim 1 is characterized in that: described section steel beam is shaped steel truss (4), shearing connecting piece (2
2) be fixedly linked with the welding of upper chord (5) end face of shaped steel truss (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100305152A CN1324198C (en) | 2004-04-01 | 2004-04-01 | Shape steel-concrete combined beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100305152A CN1324198C (en) | 2004-04-01 | 2004-04-01 | Shape steel-concrete combined beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1676754A CN1676754A (en) | 2005-10-05 |
| CN1324198C true CN1324198C (en) | 2007-07-04 |
Family
ID=35049474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100305152A Expired - Fee Related CN1324198C (en) | 2004-04-01 | 2004-04-01 | Shape steel-concrete combined beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1324198C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100343460C (en) * | 2005-11-22 | 2007-10-17 | 南京工业大学 | Steel-concrete combined beam |
| CN100395410C (en) * | 2006-01-19 | 2008-06-18 | 清华大学 | Grooved steel-concrete combination beam |
| CN102535305A (en) * | 2011-12-31 | 2012-07-04 | 上海市城市建设设计研究总院 | Structure of shearing reinforcement for prolonging service life of asphalt pavement layer of steel bridge |
| CN105064202B (en) * | 2015-07-17 | 2016-11-30 | 安徽省交通建设有限责任公司 | Shaped steel and armoured concrete slab assembled light composite beam bridge and construction method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08135085A (en) * | 1994-11-10 | 1996-05-28 | Nippon Samikon Kk | Concrete composite member |
| CN1161070A (en) * | 1994-09-01 | 1997-10-01 | Bhp钢铁有限公司 | A composite beam |
| JPH1121815A (en) * | 1997-07-03 | 1999-01-26 | Ishikawajima Harima Heavy Ind Co Ltd | Bridge structure by composite steel floor board |
| CN2370080Y (en) * | 1997-12-31 | 2000-03-22 | 海东金属株式会社 | Face plate for concrete plate |
| CN2409232Y (en) * | 2000-01-28 | 2000-12-06 | 三卓工程顾问有限公司 | Combined truss |
| CN2536686Y (en) * | 2002-02-01 | 2003-02-19 | 浙江杭萧钢构股份有限公司 | Floor template combined components |
| CN2700387Y (en) * | 2004-04-01 | 2005-05-18 | 蔡耀中 | Section steel-concrete composite beam |
-
2004
- 2004-04-01 CN CNB2004100305152A patent/CN1324198C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1161070A (en) * | 1994-09-01 | 1997-10-01 | Bhp钢铁有限公司 | A composite beam |
| JPH08135085A (en) * | 1994-11-10 | 1996-05-28 | Nippon Samikon Kk | Concrete composite member |
| JPH1121815A (en) * | 1997-07-03 | 1999-01-26 | Ishikawajima Harima Heavy Ind Co Ltd | Bridge structure by composite steel floor board |
| CN2370080Y (en) * | 1997-12-31 | 2000-03-22 | 海东金属株式会社 | Face plate for concrete plate |
| CN2409232Y (en) * | 2000-01-28 | 2000-12-06 | 三卓工程顾问有限公司 | Combined truss |
| CN2536686Y (en) * | 2002-02-01 | 2003-02-19 | 浙江杭萧钢构股份有限公司 | Floor template combined components |
| CN2700387Y (en) * | 2004-04-01 | 2005-05-18 | 蔡耀中 | Section steel-concrete composite beam |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1676754A (en) | 2005-10-05 |
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Owner name: GUANGXI CONSTRUCTION ENGINEERING GROUP THE FIFTH C Free format text: FORMER OWNER: CAI YAOZHONG Effective date: 20101025 |
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Free format text: CORRECT: ADDRESS; FROM: 545005 BUILDING 29, NO.1, MAOSHAN ROAD, LIUZHOU CITY, GUANGXI ZHUANG AUTONOMOUS REGION TO: 545001 NO.26, WANTANG ROAD, LIUZHOU CITY, GUANGXI ZHUANG AUTONOMOUS REGION |
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Effective date of registration: 20101025 Address after: 545001 No. 26 bend Tang Road, Liuzhou, the Guangxi Zhuang Autonomous Region Patentee after: Guangxi Construction Engineering Group The Fifth Construction Engineering Company Address before: 29 Building 1, 545005 Maoshan Road, the Guangxi Zhuang Autonomous Region, Liuzhou Patentee before: Cai Yaozhong |
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Granted publication date: 20070704 Termination date: 20140401 |