CN103437421B - Wavy-edge flange plate combined-structure connecting key - Google Patents
Wavy-edge flange plate combined-structure connecting key Download PDFInfo
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- CN103437421B CN103437421B CN201310307521.7A CN201310307521A CN103437421B CN 103437421 B CN103437421 B CN 103437421B CN 201310307521 A CN201310307521 A CN 201310307521A CN 103437421 B CN103437421 B CN 103437421B
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Abstract
The present invention relates to combining structure connecting key, disclose a kind of Wavy-edge flange plate combined-structure connecting key, including Wavelike steel webplate (1), wave limit formula flange plate (2), concrete (3), the one side of wave limit formula flange plate (2) is welded with Wavelike steel webplate (1), another side is connected with concrete (3), and wave limit formula flange plate (2) both sides of the edge along its length are waveform (21).The present invention is by using wave limit formula flange plate to be connected with concrete, and contractility is become case of bending from traditional tension and compression state, forms bending blockage effect, and wave limit formula flange plate can decrease shrinkage stress redistribution with concrete collaborative variation, effectively reduce concrete and produce cracking；Meanwhile, waveform flange plate increases with the contact surface of concrete, improves the shear behavior of combining structure.
Description
Technical field
The present invention relates to combining structure connecting key, particularly related to a kind of wave limit formula flange plate combining structure and connected
Key.
Background technology
At present, temperature-resistant in the case of, all there is shrinkage and creep in the concrete in combining structure, but straight steel
Plate will not stretch, and causes the stresses re-distribution of combining structure, causes concrete to produce the bad phenomenon such as cracking, impact
The structural strength of combining structure and service life.
Summary of the invention
The present invention is directed to temperature-resistant in prior art in the case of, the concrete in combining structure all exist contraction with
Creep, but flat plate will not stretch, cause the stresses re-distribution of combining structure, cause concrete cracking etc. bad
The shortcomings such as phenomenon, it is provided that a kind of by using wave limit formula flange plate to be connected with concrete, contractility is by tradition
Tension and compression state become case of bending, form bending blockage effect, wave limit formula flange plate can with concrete collaborative variation,
Decrease shrinkage stress redistribution, effectively reduce concrete and produce cracking；Meanwhile, waveform flange plate and concrete
Contact surface increase, improve the Wavy-edge flange plate combined-structure connecting key of the shear behavior of combining structure.
In order to solve above-mentioned technical problem, the present invention is addressed by following technical proposals:
Wavy-edge flange plate combined-structure connecting key, including Wavelike steel webplate, wave limit formula flange plate, concrete,
The one side of wave limit formula flange plate is welded with Wavelike steel webplate, and another side is connected with concrete, wave limit formula flange plate
Both sides of the edge along its length are waveform.
As preferably, the wave height of described unrestrained limit formula flange plate both sides of the edge along its length is more than 2 millis
Rice, less than 25 millimeters.Above-mentioned design makes to be become affecting of steel plate by traditional tension and compression state during concrete shrinkage
For case of bending, form bending blockage effect, make the wave limit formula flange plate can be with concrete collaborative variation.
As preferably, described unrestrained limit formula flange plate is welded with connection annex, connects annex and be connected with concrete.
As preferably, described connection annex is peg or open pore steel plate.
As preferably, the root that described peg welds with wave limit formula flange plate is enclosed with flexible rubber ring, elastic
Cushion rubber thickness is more than 0.5 millimeter.The flexible rubber ring effect of peg root is when the amount of contraction of concrete is more than wave
The collaborative amount of contraction of limit formula flange plate or the amount of contraction of concrete lag behind the collaborative contraction of wave limit formula flange plate
During amount, reduce the root shearing force of peg, increase activity space during peg bending, ensure again peg simultaneously
Switching performance with concrete.By arranging flexible rubber ring at connecting key connecting portion, connecting key and concrete can be made
Collaborative variation, decreases concrete shrinkage stress redistribution, and flexible rubber ring adds the telescopicing performance of connecting key, with
Adapt to the shrinkage and creep of concrete in combining structure, it is to avoid concrete shrinkage cracking, improve the fatigue resistance of combining structure
Energy.
As preferably, described flexible rubber ring is ageing-resistant macromolecular compound.
As preferably, described flexible rubber ring is vinyl, polyurethanes or silica type compound.
As preferably, described open pore steel plate is eversion type open pore steel plate.
As preferably, described unrestrained limit formula flange plate is arc along Wavelike steel webplate length direction.
As shown in Figure 4, wave limit formula flange plate is the full arc degree making that arc is applicable to curved bridge, solves traditional
The structure stress replacing arc with polyline shaped transmits the best problem.
As preferably, described eversion type open pore steel plate includes the otic placode that turns up, and the otic placode that turns up is by sheet steel sections
Turning up after cutting formation, steel plate leaves the remaining hole formed after otic placode is routed up, the otic placode that turns up is cast in concrete
In.
Due to the fact that and have employed above technical scheme there is significant technique effect: the present invention is by using
Wave limit formula flange plate is connected with concrete, and contractility is become case of bending from traditional tension and compression state, is formed curved
Bent blockage effect, wave limit formula flange plate can decrease shrinkage stress redistribution with concrete collaborative variation, effectively subtract
Few concrete produces cracking；Meanwhile, waveform flange plate increases with the contact surface of concrete, improves combining structure
Shear behavior.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the front view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the top view of Fig. 1.
Fig. 5 is the structural representation of eversion type open pore steel plate.
The toponym that in the figures above, each number designation is referred to is as follows: wherein 1 Wavelike steel webplate, 2
Wave limit formula flange plate, 3 concrete, 4 pegs, 5 open pore steel plates, 21 waveforms, 41 elastic gums
Circle, 51 turn up otic placode, more than 52 holes, 53 through holes.
Detailed description of the invention
The present invention is described in further detail by 1 to Fig. 5 with embodiment below in conjunction with the accompanying drawings:
Embodiment 1
Wavy-edge flange plate combined-structure connecting key, as shown in Figure 1,2,3, 4, including Wavelike steel webplate 1,
Wave limit formula flange plate 2, concrete 3, the one side of wave limit formula flange plate 2 welds with Wavelike steel webplate 1, another
Face is connected with concrete 3, and wave limit formula flange plate 2 both sides of the edge along its length are waveform 21.
The wave height of wave limit formula flange plate 2 both sides of the edge along its length is 2 millimeters.Wave formula flange plate edge, limit
Within the outermost end wave height of the both sides of the edge of length direction is 25 millimeters, wave limit formula flange plate 2 in the present embodiment
The wave height of both sides of the edge along its length is 2.51mm.
It is welded with connection annex on wave limit formula flange plate 2, connects annex and be connected with concrete 3.Connecting annex is
Peg 4 or open pore steel plate 5.
The root that peg 4 welds with wave limit formula flange plate 2 is enclosed with flexible rubber ring 41, flexible rubber ring 41 thickness
It it is 0.6 millimeter.The flexible rubber ring effect of peg root is when the amount of contraction of concrete is more than wave limit formula flange plate
Collaborative amount of contraction or the amount of contraction of concrete when lagging behind the collaborative amount of contraction of wave limit formula flange plate, reduce
The root shearing force of peg, increases activity space during peg bending, ensures the most again peg and concrete
Switching performance.Flexible rubber ring 41 is ageing-resistant macromolecular compound.
Embodiment 2
Within the outermost end wave height of wave limit formula flange plate both sides of the edge along its length is 25 millimeters, this enforcement
In example, the wave height of wave limit formula flange plate 2 both sides of the edge along its length is 5.5mm.
The root that peg 4 welds with wave limit formula flange plate 2 is enclosed with flexible rubber ring 41, flexible rubber ring 41 thickness
It it is 0.6 millimeter.The flexible rubber ring effect of peg root is when the amount of contraction of concrete is more than wave limit formula flange plate
Collaborative amount of contraction or the amount of contraction of concrete when lagging behind the collaborative amount of contraction of wave limit formula flange plate, reduce
The root shearing force of peg, increases activity space during peg bending, ensures the most again peg and concrete
Switching performance.Flexible rubber ring 41 is vinyl, polyurethanes or silica type compound.
Open pore steel plate 5 is eversion type open pore steel plate.As shown in Figure 4, from top view, the wave formula edge of a wing, limit
Plate 2 is arc along Wavelike steel webplate 1 length direction.The unrestrained limit formula flange plate 2 of arc is applicable to the complete of curved bridge
Radian makes, and structure stress is steady, and stress transmission is good, existing traditional structure replacing arc with polyline shaped
Stress transmission is the best.
As it is shown in figure 5, eversion type open pore steel plate includes the otic placode 51 that turns up, the otic placode 51 that turns up is by sheet steel sections
Turning up after cutting formation, steel plate leaves the remaining hole 52 formed after otic placode is routed up, the otic placode 51 that turns up is cast in mixed
In solidifying soil.Turning up and be additionally provided with through hole 53 on otic placode 51, reinforcing bar is located in remaining hole 52 and through hole 53.
Use the otic placode that directly turns up on steel plate, the hole that reserves of turning up as concrete and the through hole that runs through reinforcing bar,
The steel plate turned up is again as the baffle plate of opposing shearing, and whole connector does not use any welding and any auxiliary steel
Plate, has extremely strong fatigue resistance, shear resistance and excellent economy.
Embodiment 3
The wave height of wave limit formula flange plate 2 both sides of the edge along its length is more than 2 millimeters, less than 25 millimeters.
Within the outermost end wave height of wave limit formula flange plate both sides of the edge along its length is 25 millimeters, in the present embodiment
The wave height of wave limit formula flange plate 2 both sides of the edge along its length is 15mm.
It is welded with connection annex on wave limit formula flange plate 2, connects annex and be connected with concrete 3.Connecting annex is
Peg 4, the root that peg 4 welds with wave limit formula flange plate 2 is enclosed with flexible rubber ring 41, flexible rubber ring 41
Thickness is 0.8 millimeter.Flexible rubber ring 41 is taper, is socketed in peg root, when the amount of contraction of concrete is big
The collaborative of wave limit formula flange plate is lagged behind in the collaborative amount of contraction of wave limit formula flange plate or the amount of contraction of concrete
During amount of contraction, reduce the root shearing force of peg, increase activity space during peg bending, ensure again simultaneously
Peg and the switching performance of concrete.
In a word, the foregoing is only presently preferred embodiments of the present invention, all made according to scope of the present invention patent
Impartial change with modify, all should belong to the covering scope of patent of the present invention.
Claims (3)
1. Wavy-edge flange plate combined-structure connecting key, including Wavelike steel webplate (1), wave limit formula flange plate (2),
Concrete (3), it is characterised in that: the one side of wave limit formula flange plate (2) is welded with Wavelike steel webplate (1),
Another side is connected with concrete (3), and wave limit formula flange plate (2) both sides of the edge along its length are wave
Shape (21), wave limit formula flange plate (2) is welded with the connection annex being connected with concrete (3), connects annex
For open pore steel plate (5), described open pore steel plate (5) is eversion type open pore steel plate, described eversion type perforate
Steel plate include the otic placode (51) that turns up, the otic placode that turns up (51) be cut by sheet steel sections after turn up and formed, steel plate
On leave after otic placode is routed up formed remaining hole (52), the otic placode that turns up (51) is cast in concrete.
Wavy-edge flange plate combined-structure connecting key the most according to claim 1, it is characterised in that: described
The wave height of wave limit formula flange plate (2) both sides of the edge along its length is more than 2 millimeters, less than 25 millis
Rice.
Wavy-edge flange plate combined-structure connecting key the most according to claim 1, it is characterised in that: described
Wave limit formula flange plate (2) is arc along Wavelike steel webplate (1) length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310307521.7A CN103437421B (en) | 2013-07-18 | 2013-07-18 | Wavy-edge flange plate combined-structure connecting key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310307521.7A CN103437421B (en) | 2013-07-18 | 2013-07-18 | Wavy-edge flange plate combined-structure connecting key |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103437421A CN103437421A (en) | 2013-12-11 |
| CN103437421B true CN103437421B (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310307521.7A Active CN103437421B (en) | 2013-07-18 | 2013-07-18 | Wavy-edge flange plate combined-structure connecting key |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114991318A (en) * | 2022-06-13 | 2022-09-02 | 中国化学工程第十一建设有限公司 | Connecting device, steel concrete structure and steel concrete structure installation method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2374593Y (en) * | 1999-04-27 | 2000-04-19 | 陈成阳 | Concrete wall with steel net for steel frame building |
| CN201202083Y (en) * | 2008-05-30 | 2009-03-04 | 万水 | Flange type shearing resistant connecting piece |
| CN202324197U (en) * | 2011-11-29 | 2012-07-11 | 中铁二院工程集团有限责任公司 | Flexible stud shear connecting component for steel and concrete composite structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030037259A (en) * | 2002-04-25 | 2003-05-12 | 박대열 | Prestressed wave form box girder |
| CN201474165U (en) * | 2009-08-13 | 2010-05-19 | 同济大学 | Combined corrugated web girder |
-
2013
- 2013-07-18 CN CN201310307521.7A patent/CN103437421B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2374593Y (en) * | 1999-04-27 | 2000-04-19 | 陈成阳 | Concrete wall with steel net for steel frame building |
| CN201202083Y (en) * | 2008-05-30 | 2009-03-04 | 万水 | Flange type shearing resistant connecting piece |
| CN202324197U (en) * | 2011-11-29 | 2012-07-11 | 中铁二院工程集团有限责任公司 | Flexible stud shear connecting component for steel and concrete composite structure |
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| Publication number | Publication date |
|---|---|
| CN103437421A (en) | 2013-12-11 |
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Owner name: ZHEJIANG CTB CORRUGATED STEEL WEB CO., LTD. Free format text: FORMER OWNER: HANGZHOU BOSHU CIVIL ENGINEERING TECHNOLOGY CO., LTD. Effective date: 20141124 |
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Free format text: CORRECT: ADDRESS; FROM: 311215 HANGZHOU, ZHEJIANG PROVINCE TO: 314422 HANGZHOU, ZHEJIANG PROVINCE |
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Effective date of registration: 20141124 Address after: 314422, No. 168-2, village, town, Hangzhou, Xiaoshan District, Zhejiang Applicant after: Zhejiang CTB Corrugated Steel Web Co., Ltd. Address before: Hangzhou City, Zhejiang province 311215 Xiaoshan economic and Technological Development Zone, North Building 2 room 1711 Ning'an Applicant before: Hangzhou Boshu Civil Engineering Technology Co., Ltd. |
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