CN203403543U - Waved edge type perforated steel plate composite structure connecting key - Google Patents
Waved edge type perforated steel plate composite structure connecting key Download PDFInfo
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- CN203403543U CN203403543U CN201320434493.0U CN201320434493U CN203403543U CN 203403543 U CN203403543 U CN 203403543U CN 201320434493 U CN201320434493 U CN 201320434493U CN 203403543 U CN203403543 U CN 203403543U
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- steel plate
- open pore
- connecting key
- concrete
- coupling
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 118
- 239000010959 steel Substances 0.000 title claims abstract description 118
- 239000002131 composite material Substances 0.000 title abstract 5
- 238000010168 coupling process Methods 0.000 claims abstract description 34
- 238000005859 coupling reaction Methods 0.000 claims abstract description 34
- 230000008878 coupling Effects 0.000 claims abstract description 33
- 239000011148 porous material Substances 0.000 claims description 48
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical class O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000032683 aging Effects 0.000 claims description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract description 6
- 230000035882 stress Effects 0.000 description 8
- 238000005336 cracking Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a composite structure connecting key, and discloses a waved edge type perforated steel plate composite structure connecting key. The waved edge type steel plate composite structure connecting key comprises a waved steel web (1), a coupling (2) and a perforated steel plate (3). The waved steel web (1) is connected with the coupling (2) in a welded mode, the coupling (2) is connected with the perforated steel plate (3) in a welded mode, one side, connected with the coupling (2), of the perforated steel plate (3) is in a straight line shape, and the other side, connected with concrete, of the perforated steel plate (3) is a waved edge steel plate (31). The original pull-pressing state of the contractility is changed into anti-bending state due to the fact that the waved edge perforated steel plate is adopted, the waved edge perforated steel plate can be changed along with the concrete, shrinkage stress redistribution is reduced, connecting key shear-bearing capacity is improved, the longitudinal elasticity of the connecting key is improved, and therefore the shrinkage and creep requirements of the concrete in the composite structure can be met, and concrete shrinkage crack is avoided.
Description
Technical field
The utility model relates to combining structure connecting key, has related in particular to a kind of unrestrained limit formula open pore steel plate combining structure connecting key.
Background technology
At present, concrete in combining structure certainly exists shrinkage and creep, but steel plate and general connecting key can not stretch, one side concrete shrinkage and creep, steel plate connecting key on one side can shrinkage and creep, thereby cause the stresses re-distribution of combining structure, the shelling of connecting key and concrete, the even bad phenomenon such as concrete cracking.
Summary of the invention
The utility model certainly exists shrinkage and creep for the concrete in combining structure in prior art, but steel plate and general connecting key can not stretch, thereby cause the stresses re-distribution of combining structure, the shelling of connecting key and concrete, even the shortcoming such as concrete cracking, provides the unrestrained limit of a kind of employing formula open pore steel plate, contractility becomes bending resistance from original tension and compression state, can with concrete collaborative variation, reduced shrinkage stress and heavily distributed, increase the unrestrained limit formula open pore steel plate combining structure connecting key of connecting key shear resistance.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
Wave limit formula open pore steel plate combining structure connecting key, comprise Wavelike steel webplate, coupling, open pore steel plate, Wavelike steel webplate and coupling are welded to connect, coupling and open pore steel plate are welded to connect, the side that open pore steel plate is connected with coupling is straight line, being connected a side with concrete is unrestrained limit formula steel plate, and the roughness on Wavelike steel webplate surface is 50-500 μ m.Be coupling be connected one end with open pore steel plate be straight line, the side that the other end is connected with concrete, is wave.Wave limit formula open pore steel plate refer to that one side of steel plate is flat plate, and another side is unrestrained limit formula, the steel plate that wave pattern rises and falls.Above-mentioned concrete is concrete.
As preferably, the unrestrained limit formula steel plate of described open pore steel plate is imbedded in the concrete in combining structure, and the waveform height of unrestrained limit formula steel plate is at 2.1 millimeters-20 millimeters.
As preferably, described coupling is frange plate.
As preferably, described coupling is connected with open pore steel plate, and coupling is connected with the concrete of combining structure.
As preferably, described coupling comprises peg.
As preferably, 10 millimeters of scopes of root that described peg is combined with concrete are enclosed with flexible rubber ring, and flexible rubber ring thickness is greater than 0.5 millimeter.
As preferably, described flexible rubber ring is ageing-resistant vinyl or silica type compound.
As preferably, described is length cell by the integral multiple of Wavelike steel webplate wavelength, and coupling longitudinally disconnects 10-40 millimeter.
As preferably, described open pore steel plate is the otic placode formula open pore steel plate that turns up, comprise turn up otic placode and turn up after the remaining hole that stays.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.Otic placode 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 turning up is again as the baffle plate of opposing shearing, and whole connector does not adopt any welding and any auxiliary steel plate, has extremely strong fatigue resistance, shear resistance and good economy.
As preferably, the side of described frange plate is corrugated unrestrained limit formula frange plate.Adopt unrestrained limit formula frange plate to be connected with concrete, from the flexible state of traditional tension and compression, become crooked flexible state, form accordion effect, make unrestrained limit formula frange plate can with concrete collaborative variation, reduced shrinkage stress and heavily distributed, effectively reduce concrete and produce cracking; Meanwhile, waveform frange plate and concrete contact surface increase, and have improved the shear behavior of combining structure.
The utility model is owing to having adopted above technical scheme, there is significant technique effect: the utility model adopts unrestrained limit formula open pore steel plate, contractility becomes bending resistance from original tension and compression state, can with concrete collaborative variation, reduce shrinkage stress and heavily distributed, increased connecting key shear resistance, increased the longitudinal extension performance of connecting key, to adapt to the shrinkage and creep of concrete in combining structure, avoid concrete shrinkage cracking.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the top view of Fig. 1.
The toponym that in above accompanying drawing, each number designation refers to is as follows: wherein 1-Wavelike steel webplate, 2-coupling, 3-open pore steel plate, 4-peg, 21-unrestrained limit formula frange plate, 31-unrestrained limit formula steel plate, the 32-otic placode that turns up, 33-remaining hole, 5-flexible rubber ring.
The specific embodiment
Below in conjunction with accompanying drawing 1 to Fig. 2 and embodiment, the utility model is described in further detail:
Wave limit formula open pore steel plate combining structure connecting key, as shown in Figure 1 to Figure 2, comprise Wavelike steel webplate 1, coupling 2, open pore steel plate 3, Wavelike steel webplate 1 is welded to connect with coupling 2, coupling 2 is welded to connect with open pore steel plate 3, the side that open pore steel plate 3 is connected with coupling 2 is straight line, and being connected a side with concrete is unrestrained limit formula steel plate 31, and the roughness on Wavelike steel webplate 1 surface is 50-500 μ m.Be coupling 2 be connected one end with open pore steel plate 3 be straight line, the side that the other end is connected with concrete, is wave.Wave limit formula open pore steel plate refer to that one side of steel plate is flat plate, and another side is unrestrained limit formula 31, the steel plate that wave pattern rises and falls.Above-mentioned concrete is concrete.Adopt unrestrained limit formula open pore steel plate, contractility becomes bending resistance from original tension and compression state, can with concrete collaborative variation, reduce shrinkage stress and heavily distributed, increased connecting key shear resistance, increased the longitudinal extension performance of connecting key, to adapt to the shrinkage and creep of concrete in combining structure, avoid concrete shrinkage cracking.Meanwhile, unrestrained limit end has increased and concrete contact area, has improved steel plate and concrete frictional force and adhesion.Wavelike steel webplate surface roughness is respectively 50 μ m, 80 μ m, 120 μ m, 160 μ m, 210 μ m, 310 μ m, 380 μ m, 420 μ m, different roughness, different bonding strengths can be provided, and roughness is larger, and Wavelike steel webplate 1 is stronger with the adhesion of concrete or coating.The thickness of Wavelike steel webplate is 2-100mm.The thickness of Wavelike steel webplate can be any one in 8mm, 13mm, 18mm, 23mm, 34mm, 41mm, 45mm, 50mm.
In the concrete that the unrestrained limit formula steel plate 31 of open pore steel plate 3 is imbedded in combining structure, the waveform height of unrestrained limit formula steel plate 31 is 2.6 millimeters.Coupling 2 is frange plate.
By the integral multiple of Wavelike steel webplate 1 wavelength, be length cell, coupling 2 longitudinally disconnects 10-40 millimeter.
Open pore steel plate 3 is the otic placode formula open pore steel plate that turns up, comprise turn up otic placode 32 and turn up after the remaining hole 33 that stays.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 3 that turns up is cast in concrete.Otic placode 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 turning up is again as the baffle plate of opposing shearing, and whole connector does not adopt any welding and any auxiliary steel plate, has extremely strong fatigue resistance, shear resistance and good economy.
The side of frange plate is corrugated unrestrained limit formula frange plate 21.Adopt unrestrained limit formula frange plate to be connected with concrete, contractility becomes case of bending from traditional tension and compression state, forms accordion effect, unrestrained limit formula frange plate can with concrete collaborative variation, reduced shrinkage stress and heavily distributed, effectively reduce concrete and produce cracking; Meanwhile, waveform frange plate and concrete contact surface increase, and have improved the shear behavior of combining structure.
In the present embodiment, in the concrete that the unrestrained limit formula steel plate 31 of open pore steel plate 3 is imbedded in combining structure, the waveform height of unrestrained limit formula steel plate 31 is 5.6 millimeters.Open pore steel plate 3 is the otic placode formula open pore steel plate that turns up, comprise turn up otic placode 32 and turn up after the remaining hole 33 that stays.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 3 that turns up is cast in concrete.Otic placode 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 turning up is again as the baffle plate of opposing shearing, and whole connector does not adopt any welding and any auxiliary steel plate, has extremely strong fatigue resistance, shear resistance and good economy.The thickness that Wavelike steel webplate surface roughness is respectively 160 μ m corrugated sheet steels is 18mm.
In the present embodiment, in the concrete that the unrestrained limit formula steel plate 31 of open pore steel plate 3 is imbedded in combining structure, the waveform height of unrestrained limit formula steel plate 31 is 15.1 millimeters.The side of frange plate is corrugated unrestrained limit formula frange plate 21.Adopt unrestrained limit formula frange plate to be connected with concrete, contractility becomes case of bending from traditional tension and compression state, forms accordion effect, unrestrained limit formula frange plate can with concrete collaborative variation, reduced shrinkage stress and heavily distributed, effectively reduce concrete and produce cracking; Meanwhile, waveform frange plate and concrete contact surface increase, and have improved the shear behavior of combining structure.The thickness that Wavelike steel webplate surface roughness is respectively 230 μ m corrugated sheet steels is 24mm.
In a word, the foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (10)
1. unrestrained limit formula open pore steel plate combining structure connecting key, comprise Wavelike steel webplate (1), coupling (2), open pore steel plate (3), it is characterized by: Wavelike steel webplate (1) is welded to connect with coupling (2), coupling (2) is welded to connect with open pore steel plate (3), the side that open pore steel plate (3) is connected with coupling (2) is straight line, being connected a side with concrete is unrestrained limit formula steel plate (31), and the roughness on Wavelike steel webplate (1) surface is 50-500 μ m.
2. unrestrained limit according to claim 1 formula open pore steel plate combining structure connecting key, it is characterized in that: the unrestrained limit formula steel plate (31) of described open pore steel plate (3) is imbedded in the concrete in combining structure, the waveform height of unrestrained limit formula steel plate (31) is at 2.1 millimeters-20 millimeters.
3. unrestrained limit according to claim 1 formula open pore steel plate combining structure connecting key, is characterized in that: described coupling (2) is frange plate.
4. unrestrained limit according to claim 1 formula open pore steel plate combining structure connecting key, is characterized in that: described coupling (2) is connected with open pore steel plate (3), and coupling (2) is connected with the concrete of combining structure.
5. unrestrained limit according to claim 1 formula open pore steel plate combining structure connecting key, is characterized in that: described coupling (2) comprises peg (4).
6. unrestrained limit according to claim 5 formula open pore steel plate combining structure connecting key, is characterized in that: 10 millimeters of scopes of root that described peg (4) is combined with concrete are enclosed with flexible rubber ring (5), and flexible rubber ring (5) thickness is greater than 0.5 millimeter.
7. unrestrained limit according to claim 6 formula open pore steel plate combining structure connecting key, is characterized in that: described flexible rubber ring (5) is ageing-resistant vinyl or silica type compound.
8. unrestrained limit according to claim 1 formula open pore steel plate combining structure connecting key, is characterized in that: the integral multiple by Wavelike steel webplate (1) wavelength is length cell, and coupling (2) longitudinally disconnects 10-40 millimeter.
9. unrestrained limit according to claim 1 formula open pore steel plate combining structure connecting key, is characterized in that: described open pore steel plate (3) is the otic placode formula open pore steel plate that turns up, comprise the otic placode that turns up (32) and turn up after the remaining hole (33) that stays.
10. unrestrained limit according to claim 3 formula open pore steel plate combining structure connecting key, is characterized in that: the side of described frange plate is corrugated unrestrained limit formula frange plate (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320434493.0U CN203403543U (en) | 2013-07-18 | 2013-07-18 | Waved edge type perforated steel plate composite structure connecting key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320434493.0U CN203403543U (en) | 2013-07-18 | 2013-07-18 | Waved edge type perforated steel plate composite structure connecting key |
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| Publication Number | Publication Date |
|---|---|
| CN203403543U true CN203403543U (en) | 2014-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320434493.0U Expired - Fee Related CN203403543U (en) | 2013-07-18 | 2013-07-18 | Waved edge type perforated steel plate composite structure connecting key |
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| CN (1) | CN203403543U (en) |
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2013
- 2013-07-18 CN CN201320434493.0U patent/CN203403543U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140122 |
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| CU01 | Correction of utility model | ||
| CU01 | Correction of utility model |
Correction item: Termination upon expiration of patent Correct: Revocation of Patent Expiration and Termination False: Expiration and Termination of 39 Volume 3102 Patent on August 4, 2023 Number: 31-02 Volume: 39 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 |