CN103437421A - Wavy-edge flange plate combined-structure connecting key - Google Patents
Wavy-edge flange plate combined-structure connecting key Download PDFInfo
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- CN103437421A CN103437421A CN2013103075217A CN201310307521A CN103437421A CN 103437421 A CN103437421 A CN 103437421A CN 2013103075217 A CN2013103075217 A CN 2013103075217A CN 201310307521 A CN201310307521 A CN 201310307521A CN 103437421 A CN103437421 A CN 103437421A
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- frange plate
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Abstract
The invention relates to a combined-structure connecting key, and discloses to a wavy-edge flange plate combined-structure connecting key, which comprises a corrugated steel web (1), a wavy-edge flange plate (2) and concrete (3), wherein one side of the wavy-edge flange plate (2) is welded together with the corrugated steel web (1), and the other side is connected with the concrete (3); the edges of both sides of the wavy-edge flange plate (2) along a length direction are in wavy forms (21). According to the wavy-edge flange plate combined-structure connecting key, the wavy-edge flange plate is connected with the concrete, extension and retraction force is switched from a traditional tension and compression state to an anti-bending state to form bending and shrinking effects, and the wavy-edge flange plate can change along with concrete, so that redistribution of shrinkage stress is reduced, and cracking of the concrete is reduced effectively; meanwhile, the contact area between the wavy-edge flange plate and the concrete is increased, so that anti-shearing performance of the combined structure is improved.
Description
Technical field
The present invention relates to the combining structure connecting key, related in particular to a kind of unrestrained limit formula frange plate combining structure connecting key.
Background technology
At present, in temperature-resistant situation, all there is shrinkage and creep in the concrete in combining structure, but flat plate can not stretch, and causes the stresses re-distribution of combining structure, causes concrete to produce the bad phenomenon such as cracking, affects structural strength and the application life of combining structure.
Summary of the invention
The present invention is directed in situation temperature-resistant in prior art, all there is shrinkage and creep in concrete in combining structure, but flat plate can not stretch, the stresses re-distribution that causes combining structure, cause the shortcomings such as bad phenomenon such as concrete cracking, provide a kind of by adopting unrestrained limit formula frange plate to be connected with concrete, contractility becomes case of bending by traditional tension and compression state, form crooked blockage effect, wave limit formula frange plate can with the concrete collaborative variation, reduced shrinkage stress and heavily distributed, effectively reduced concrete and produce cracking; Simultaneously, waveform frange plate and concrete contact surface increase, and have improved the unrestrained limit formula frange plate combining structure connecting key of the shear behavior of combining structure.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
Wave limit formula frange plate combining structure connecting key, comprise Wavelike steel webplate, unrestrained limit formula frange plate, concrete, the one side of wave limit formula frange plate is welded with Wavelike steel webplate, and another side is connected with concrete, and formula frange plate both sides of the edge along its length, unrestrained limit are waveform.
As preferably, the wave height of formula frange plate both sides of the edge along its length, described unrestrained limit, for being greater than 2 millimeters, is less than 25 millimeters.Impact on steel plate when above-mentioned design makes concrete shrinkage becomes case of bending by traditional tension and compression state, forms crooked blockage effect, make unrestrained limit formula frange plate can with the concrete collaborative variation.
As preferably, be welded with coupling on the formula frange plate of described unrestrained limit, coupling is connected with concrete.
As preferably, described coupling is peg or open pore steel plate.
As preferably, the root of described peg and the welding of unrestrained limit formula frange plate is enclosed with flexible rubber ring, and flexible rubber ring thickness is greater than 0.5 millimeter.The flexible rubber ring effect of peg root is when concrete amount of contraction is greater than the collaborative amount of contraction of unrestrained limit formula frange plate or concrete amount of contraction and lags behind the collaborative amount of contraction of unrestrained limit formula frange plate, reduce the root shearing force of peg, activity space while increasing the peg bending, ensure again peg and concrete switching performance simultaneously.By at the connecting key connecting portion, flexible rubber ring being set, can make connecting key and concrete collaborative variation, having reduced the concrete shrinkage stress heavily distributes, flexible rubber ring has increased the telescopicing performance of connecting key, to adapt to the shrinkage and creep of concrete in combining structure, avoid the concrete shrinkage cracking, improve the anti-fatigue performance of combining structure.
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 the eversion type open pore steel plate.
As preferably, described unrestrained limit formula frange plate is arc along the Wavelike steel webplate length direction.
As shown in Figure 4, unrestrained limit formula frange plate is the full arc degree making that arc is applicable to curved bridge, solves traditional not good problem of structure stress transmission with polyline shaped replacement arc.
As preferably, described eversion type open pore steel plate comprises the otic placode that turns up, and the otic placode that turns up is to turn up and form after partly being cut by steel plate, leaves the remaining hole that otic placode is routed up rear formation on steel plate, and the otic placode that turns up is cast in concrete.
The present invention is owing to having adopted above technical scheme, have significant technique effect: the present invention is by adopting unrestrained limit formula frange plate to be connected with concrete, contractility becomes case of bending by traditional tension and compression state, form crooked blockage effect, wave limit formula frange plate can with the concrete collaborative variation, reduced shrinkage stress and heavily distributed, effectively reduced concrete and produce cracking; Simultaneously, waveform frange plate and concrete contact surface increase, and have improved the shear behavior of combining structure.
The 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 above accompanying drawing, each number designation refers to is as follows: wherein 1-Wavelike steel webplate, 2-unrestrained limit formula frange plate, 3-concrete, 4-peg, 5-open pore steel plate, 21-waveform, 41-flexible rubber ring, 51-otic placode that turns up, 52-remaining hole, 53-through hole.
The specific embodiment
Below in conjunction with accompanying drawing 1 to Fig. 5 and embodiment, the present invention is described in further detail:
Wave limit formula frange plate combining structure connecting key, as shown in Figure 1,2,3, 4, comprise Wavelike steel webplate 1, unrestrained limit formula frange plate 2, concrete 3, the one side of wave limit formula frange plate 2 and Wavelike steel webplate 1 welding, another side is connected with concrete 3, and unrestrained limit formula frange plate 2 both sides of the edge along its length are waveform 21.
The wave height of wave limit formula frange plate 2 both sides of the edge along its length is 2 millimeters.The outermost end wave height of formula frange plate both sides of the edge along its length, wave limit is in 25 millimeters, and in the present embodiment, the wave height of unrestrained limit formula frange plate 2 both sides of the edge along its length is 2.51mm.
Be welded with coupling on wave limit formula frange plate 2, coupling is connected with concrete 3.Coupling is peg 4 or open pore steel plate 5.
Peg 4 is enclosed with flexible rubber ring 41 with the root of unrestrained limit formula frange plate 2 welding, and flexible rubber ring 41 thickness are 0.6 millimeter.The flexible rubber ring effect of peg root is when concrete amount of contraction is greater than the collaborative amount of contraction of unrestrained limit formula frange plate or concrete amount of contraction and lags behind the collaborative amount of contraction of unrestrained limit formula frange plate, reduce the root shearing force of peg, activity space while increasing the peg bending, ensure again peg and concrete switching performance simultaneously.Flexible rubber ring 41 is ageing-resistant macromolecular compound.
The outermost end wave height of formula frange plate both sides of the edge along its length, wave limit is in 25 millimeters, and in the present embodiment, the wave height of unrestrained limit formula frange plate 2 both sides of the edge along its length is 5.5mm.
Peg 4 is enclosed with flexible rubber ring 41 with the root of unrestrained limit formula frange plate 2 welding, and flexible rubber ring 41 thickness are 0.6 millimeter.The flexible rubber ring effect of peg root is when concrete amount of contraction is greater than the collaborative amount of contraction of unrestrained limit formula frange plate or concrete amount of contraction and lags behind the collaborative amount of contraction of unrestrained limit formula frange plate, reduce the root shearing force of peg, activity space while increasing the peg bending, ensure again peg and concrete switching performance simultaneously.Flexible rubber ring 41 is vinyl, polyurethanes or silica type compound.
Open pore steel plate 5 is the eversion type open pore steel plate.As shown in Figure 4, from top view, unrestrained limit formula frange plate 2 is arc along Wavelike steel webplate 1 length direction.The unrestrained limit formula frange plate 2 of arc is applicable to the full arc degree of curved bridge and makes, and structure stress is steady, and stressed transmission is good, and existing traditional structure stress transmission with polyline shaped replacement arc is not good.
As shown in Figure 5, the eversion type open pore steel plate comprises the otic placode 51 that turns up, and the otic placode 51 that turns up is to turn up and form after partly being cut by steel plate, leaves the remaining hole 52 that otic placode is routed up rear formation on steel plate, and the otic placode 51 that turns up is cast in concrete.Turn up on otic placode 51 and also be provided with through hole 53, reinforcing bar is located in remaining hole 52 and through hole 53.Adopt the otic placode that directly turns up on steel plate, turn up the hole that reserves as concrete and run through the through hole of reinforcing bar, the steel plate turned up is again as the baffle plate of resisting shearing, whole connector does not adopt any welding and any auxiliary steel plate, has extremely strong fatigue resistance, shear resistance and good economy.
The wave height of wave limit formula frange plate 2 both sides of the edge along its length, for being greater than 2 millimeters, is less than 25 millimeters.The outermost end wave height of formula frange plate both sides of the edge along its length, wave limit is in 25 millimeters, and in the present embodiment, the wave height of unrestrained limit formula frange plate 2 both sides of the edge along its length is 15mm.
Be welded with coupling on wave limit formula frange plate 2, coupling is connected with concrete 3.Coupling is peg 4, and peg 4 is enclosed with flexible rubber ring 41 with the root of unrestrained limit formula frange plate 2 welding, and flexible rubber ring 41 thickness are 0.8 millimeter.Flexible rubber ring 41 is taper, be socketed in the peg root, when concrete amount of contraction is greater than the collaborative amount of contraction of unrestrained limit formula frange plate or concrete amount of contraction and lags behind the collaborative amount of contraction of unrestrained limit formula frange plate, reduce the root shearing force of peg, activity space while increasing the peg bending, ensure again peg and concrete switching performance simultaneously.
In a word, the foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (10)
1. unrestrained limit formula frange plate combining structure connecting key, comprise Wavelike steel webplate (1), unrestrained limit formula frange plate (2), concrete (3), it is characterized in that: the one side of unrestrained limit formula frange plate (2) is welded with Wavelike steel webplate (1), another side is connected with concrete (3), and unrestrained limit formula frange plate (2) both sides of the edge along its length are waveform (21).
2. unrestrained limit according to claim 1 formula frange plate combining structure connecting key, it is characterized in that: the wave height of described unrestrained limit formula frange plate (2) both sides of the edge along its length, for being greater than 2 millimeters, is less than 25 millimeters.
3. unrestrained limit according to claim 1 formula frange plate combining structure connecting key, it is characterized in that: be welded with coupling on described unrestrained limit formula frange plate (2), coupling is connected with concrete (3).
4. unrestrained limit according to claim 3 formula frange plate combining structure connecting key, it is characterized in that: described coupling is peg (4) or open pore steel plate (5).
5. unrestrained limit according to claim 4 formula frange plate combining structure connecting key is characterized in that: described peg (4) is enclosed with flexible rubber ring (41) with the root of unrestrained limit formula frange plate (2) welding, and flexible rubber ring (41) thickness is greater than 0.5 millimeter.
6. unrestrained limit according to claim 5 formula frange plate combining structure connecting key, it is characterized in that: described flexible rubber ring (41) is ageing-resistant macromolecular compound.
7. unrestrained limit according to claim 5 formula frange plate combining structure connecting key, it is characterized in that: described flexible rubber ring (41) is vinyl, polyurethanes or silica type compound.
8. unrestrained limit according to claim 4 formula frange plate combining structure connecting key, it is characterized in that: described open pore steel plate (5) is the eversion type open pore steel plate.
9. unrestrained limit according to claim 1 formula frange plate combining structure connecting key, it is characterized in that: described unrestrained limit formula frange plate (2) is arc along Wavelike steel webplate (1) length direction.
10. unrestrained limit according to claim 8 formula frange plate combining structure connecting key, it is characterized in that: described eversion type open pore steel plate comprises the otic placode that turns up (51), the otic placode (51) that turns up is to turn up and form after partly being cut by steel plate, leave otic placode on steel plate and rout up the remaining hole (52) of rear formation, the otic placode that turns up (51) is cast in concrete.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310307521.7A CN103437421B (en) | 2013-07-18 | 2013-07-18 | Wavy-edge flange plate combined-structure connecting key |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310307521.7A CN103437421B (en) | 2013-07-18 | 2013-07-18 | Wavy-edge flange plate combined-structure connecting key |
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| CN103437421A true CN103437421A (en) | 2013-12-11 |
| CN103437421B CN103437421B (en) | 2016-08-31 |
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Cited By (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 (4)
| 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 |
| 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 |
| 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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201202083Y (en) * | 2008-05-30 | 2009-03-04 | 万水 | Flange type shearing resistant connecting piece |
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2013
- 2013-07-18 CN CN201310307521.7A patent/CN103437421B/en active Active
Patent Citations (4)
| 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 |
| 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 |
| 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 |
Cited By (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 |
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| CN103437421B (en) | 2016-08-31 |
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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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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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