CN204644882U - A kind of water Bridge bearing platform prefabrication bottom board steel lifting box cofferdam fastening devices - Google Patents
A kind of water Bridge bearing platform prefabrication bottom board steel lifting box cofferdam fastening devices Download PDFInfo
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- CN204644882U CN204644882U CN201520288234.0U CN201520288234U CN204644882U CN 204644882 U CN204644882 U CN 204644882U CN 201520288234 U CN201520288234 U CN 201520288234U CN 204644882 U CN204644882 U CN 204644882U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 142
- 239000010959 steel Substances 0.000 title claims abstract description 142
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000009417 prefabrication Methods 0.000 title claims abstract description 20
- 238000005266 casting Methods 0.000 claims abstract description 56
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000003351 stiffener Substances 0.000 claims abstract description 23
- 239000000725 suspension Substances 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 abstract description 24
- 230000035882 stress Effects 0.000 description 6
- 230000007306 turnover Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 206010042209 Stress Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003653 coastal water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model provides a kind of water Bridge bearing platform prefabrication bottom board steel lifting box cofferdam fastening devices, comprise steel pile casting, steel lifted trunk prefabricated panel and steel lifted trunk sidewall, first operating mode fastening devices and the second operating mode fastening devices, first operating mode fastening devices comprises base plate spandrel girder, base plate distribution beam, transfers suspension rod, steel pile casting top spandrel girder, bearing beam, connection free bearing, strut and tie and connection pedestal, and the second operating mode fastening devices comprises encloses purlin, inner support, stiffener hanging point and bottom concrete.During steel lifted trunk transfers the back cover that puts in place, by strut and tie be connected pedestal and connect free bearing acting in conjunction, steel lifted trunk is fixed on steel pile casting; After steel lifted trunk draws water, strut and tie and steel pile casting are welded and fixed by stiffener hanging point, cut off and carry out system transform with upper part steel pile casting and strut and tie, during bearing platform construction, by strut and tie, connect pedestal and the acting in conjunction of stiffener hanging point, steel lifted trunk is fixed on steel pile casting, this device saves construction cost, improves efficiency of construction.
Description
Technical field
The utility model belongs to bridge construction construction field, is specifically related to a kind of water Bridge bearing platform prefabrication bottom board steel lifting box cofferdam fastening devices.
Background technology
Since entering 21st century, the energetically investment of country to infrastructure construction, drive developing rapidly of Chinese bridge construction, particularly in recent years, along with the sustainable development of China's economy, bridge construction development scale is unprecedented, particularly riverine, coastal region, dissimilar river, Sea-Crossing Passage excessively continue to bring out, and especially coastal, coastal waters one is with, the construction of bridge highly shortened the distance between area, has impetus to the development of coastal economy.And one of key issue of these bridge constructions is the construction of underwater support table, therefore bottom board steel lifting box cofferdam is widely used.
Bottom board steel lifting box cofferdam is mainly used in water Bridge high-rise pile cap construction, after pile foundation construction completes, installs, transfers steel suspended box cofferdam, then build bottom concrete, draws water to become dry construction condition colligation cushion cap reinforcing bar, build cushion cap concrete.
At present, bottom board steel lifting box cofferdam generally adopts steel work base plate and concrete structure base plate, after drawing water in box, during bearing platform construction, primary load is resisted by the bond stress between bottom concrete and steel pile casting, and namely steel lifted trunk is fixed by the bond stress between bottom concrete and steel pile casting.But adopt in this way, one is that bond stress between bottom concrete and steel pile casting is difficult to value, also larger by testing the span drawn; Two is that cause bottom concrete thicker, econmics comparison is poor, and then reduces efficiency of construction and benefit in order to reach enough bond stresss can resisting steel lifted trunk deadweight, bottom concrete deadweight and suspended deck structure deadweight etc.
Utility model content
The purpose of this utility model is to provide that efficiency of construction is high, good economy performance, can reduce bottoming concrete thickness, realizes a kind of water Bridge bearing platform prefabrication bottom board steel lifting box cofferdam fastening devices of prefabricated panel main member and lowering system turnover recycling.
The technical solution of the utility model there is provided a kind of water Bridge bearing platform prefabrication bottom board steel lifting box cofferdam fastening devices, comprise steel pile casting, steel lifted trunk prefabricated panel, steel lifted trunk sidewall and the first operating mode fastening devices, first operating mode fastening devices comprises the base plate distribution beam be arranged on below steel lifted trunk prefabricated panel, be arranged on the steel pile casting top spandrel girder above steel pile casting, be arranged on and transfer suspension rod between base plate distribution beam and steel pile casting top spandrel girder, and be arranged on base plate distribution beam bottom surface and transfer the base plate spandrel girder of suspension rod junction and be arranged on steel pile casting top spandrel girder upper surface and the bearing beam of transferring suspension rod junction, described first operating mode fastening devices also comprises connection free bearing, strut and tie be connected pedestal, described connection pedestal is fixed on steel lifted trunk prefabricated panel, connect free bearing and be fixed on steel pile casting upper end, strut and tie is arranged on and connects pedestal and be connected between free bearing, also comprise the second operating mode fastening devices, described second operating mode fastening devices comprises encloses purlin, inner support, stiffener hanging point and bottom concrete, described bottom concrete is arranged on steel lifted trunk prefabricated panel upper surface, stiffener hanging point is arranged on bottom concrete and is welded and fixed with strut and tie and steel pile casting, described left and right steel lifted trunk sidewall upper inner surface all arranges and encloses purlin, and two are enclosed between purlin and connect inner support.
Above-mentioned connection free bearing, strut and tie and connection pedestal are respectively evenly distributed with four along steel pile casting circumference.
Above-mentioned connection pedestal is be embedded in the steel plate member on steel lifted trunk prefabricated panel.
Above-mentioned connection free bearing is the steel work otic placode be welded on steel pile casting, and otic placode is provided with pin-and-hole.
Above-mentioned strut and tie is made up of shaped steel.
Above-mentioned strut and tie be connected pedestal and be welded and fixed, connect fixing with connecting hinge seat pin.
Above-mentioned stiffener hanging point is the steel plate be welded on steel pile casting.
Above-mentioned stiffener hanging point is arranged within the scope of more than bottom concrete 10 ~ 15cm steel pile casting.
The beneficial effects of the utility model:
(1) this water Bridge bearing platform prefabrication bottom board steel lifting box cofferdam fastening devices that provides of the utility model is after steel lifted trunk is transferred and put in place, by strut and tie, the hanging of steel lifted trunk entirety is fixed on steel pile casting, when reduction bottom concrete is built, prefabricated panel is stressed, and makes stressed more even;
(2) this water Bridge bearing platform prefabrication bottom board steel lifting box cofferdam fastening devices that provides of the utility model is after bottom concrete has been constructed and drawn water in steel lifted trunk, strut and tie is fixed on the steel pile casting of bottom concrete end face position by stiffener hanging point, cut off unnecessary steel pile casting, thus complete system transform; When bearing platform construction, all loads are by the bond stress between bottom concrete and steel pile casting and stiffener hanging point shared, and based on stiffener hanging point, Force Calculation is more accurate;
(3) this water Bridge bearing platform prefabrication bottom board steel lifting box cofferdam fastening devices that the utility model provides reduces bottoming concrete thickness in a large number, simultaneously recyclable, turnover pre-manufactured steel box base plate girder and distribution beam and lowering system etc., save construction cost, improve efficiency of construction.
Below with reference to accompanying drawing, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is the facade arrangement diagram before the utility model bottom board steel lifting box transfers the back cover that puts in place.
Fig. 2 be after the utility model bottom board steel lifting box back cover steel pile casting cut off after facade arrangement diagram.
Fig. 3 is the A-A profile of Fig. 2.
Description of reference numerals: 1, steel pile casting; 2, steel lifted trunk prefabricated panel; 3, steel lifted trunk sidewall; 4, base plate spandrel girder; 5, base plate distribution beam; 6, suspension rod is transferred; 7, steel pile casting top spandrel girder; 8, bearing beam; 9, free bearing is connected; 10, strut and tie; 11, pedestal is connected; 12, purlin is enclosed; 13, inner support; 14, stiffener hanging point; 15, bottom concrete.
Detailed description of the invention
Embodiment 1:
In order to provide efficiency of construction high, good economy performance, bottoming concrete thickness can be reduced, realize the bottom board steel lifting box cofferdam fastening devices of prefabricated panel main member and lowering system turnover recycling, present embodiments provide a kind of as Fig. 1, water Bridge bearing platform prefabrication bottom board steel lifting box cofferdam fastening devices shown in Fig. 2 and Fig. 3, comprise steel pile casting 1, steel lifted trunk prefabricated panel 2, steel lifted trunk sidewall 3 and the first operating mode fastening devices, first operating mode fastening devices comprises the base plate distribution beam 5 be arranged on below steel lifted trunk prefabricated panel 2, be arranged on the steel pile casting top spandrel girder 7 above steel pile casting 1, be arranged on and transfer suspension rod 6 between base plate distribution beam 5 and steel pile casting top spandrel girder 7, and be arranged on base plate distribution beam 5 bottom surface and transfer the base plate spandrel girder 4 of suspension rod 6 junction and be arranged on steel pile casting top spandrel girder 7 upper surface and the bearing beam 8 of transferring suspension rod 6 junction, described first operating mode fastening devices also comprises and connects free bearing 9, strut and tie 10 be connected pedestal 11, described connection pedestal 11 is fixed on steel lifted trunk prefabricated panel 2, connect free bearing 9 and be fixed on steel pile casting 1 upper end, strut and tie 10 is arranged on and connects pedestal 11 and be connected between free bearing 9, also comprise the second operating mode fastening devices, described second operating mode fastening devices comprises encloses purlin 12, inner support 13, stiffener hanging point 14 and bottom concrete 15, described bottom concrete 15 is arranged on steel lifted trunk prefabricated panel 2 upper surface, stiffener hanging point 14 is arranged on bottom concrete 15 and is welded and fixed with strut and tie 10 and steel pile casting 1, steel lifted trunk sidewall 3 upper end, described left and right inner surface all arranges and encloses purlin 12, and two are enclosed between purlin 12 and connect inner support 13.
During bottom board steel lifting box transfers installation, use the first operating mode fastening devices, connection pedestal 11 fixing on strut and tie 10 lower end and steel lifted trunk prefabricated panel 2 is fixed together by welding, then transfer with steel lifted trunk, transfer after putting in place, by strut and tie 10 upper end be connected free bearing 9 and connect, reach bottom concrete 15 construct before state.
After bottom board steel lifting box transfers installation, use the second operating mode fastening devices, carry out bottom concrete 15 at steel lifted trunk prefabricated panel 2 upper surface and construct; After bottom concrete 15 has been constructed, remove and transferred suspension rod 6, reclaimed base plate distribution beam 5 and base plate spandrel girder 4, remove the structure such as bearing beam 8 and steel pile casting top spandrel girder 7, extract the part water in steel lifted trunk out, carry out temporary fixed to strut and tie 10, cut off part steel pile casting 1, purlin 12 and inner support 13 are enclosed in installation, continue to extract the residue water in steel lifted trunk out, after in case, water is drained, welding stiffener hanging point 14, cut off residue steel pile casting 1 and strut and tie 10, reach the condition of construction bearing platform.
This water Bridge bearing platform prefabrication bottom board steel lifting box cofferdam fastening devices that the utility model provides is after steel lifted trunk is transferred and put in place, by strut and tie, the hanging of steel lifted trunk entirety is fixed on steel pile casting, when reduction bottom concrete is built, prefabricated panel is stressed, and makes stressed more even.After bottom concrete has been constructed and drawn water in steel lifted trunk, fix strut and tie on the steel pile casting of bottom concrete end face position by stiffener hanging point, cut off unnecessary steel pile casting, thus complete system transform; When bearing platform construction, all loads are by the bond stress between bottom concrete and steel pile casting and stiffener hanging point shared, and based on stiffener hanging point, Force Calculation is more accurate.
Embodiment 2:
On the basis of embodiment 1, described connection free bearing 9, strut and tie 10 be connected pedestal 11 and be respectively evenly distributed with four along steel pile casting 1 circumference.Described connection pedestal 11 is for being embedded in the steel plate member on steel lifted trunk prefabricated panel 2.Described connection free bearing 9, for being welded on the steel work otic placode on steel pile casting 1, otic placode is provided with pin-and-hole.Described strut and tie 10 is made up of shaped steel.Described strut and tie 10 be connected pedestal 11 and be welded and fixed, and be connected free bearing 9 pin joint and fix.Described stiffener hanging point 14 is for being welded on the steel plate on steel pile casting 1.Described stiffener hanging point 14 is arranged in bottom concrete more than 15 10 ~ 15cm steel pile casting 1 scope.
This water Bridge bearing platform prefabrication bottom board steel lifting box cofferdam fastening devices that the utility model provides reduces bottoming concrete thickness in a large number, simultaneously recyclable, turnover pre-manufactured steel box base plate girder and distribution beam and lowering system etc., save construction cost, improve efficiency of construction.
More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection scope of the present invention with the same or analogous design of the utility model.
Claims (8)
1. a water Bridge bearing platform prefabrication bottom board steel lifting box cofferdam fastening devices, comprise steel pile casting (1), steel lifted trunk prefabricated panel (2), steel lifted trunk sidewall (3) and the first operating mode fastening devices, first operating mode fastening devices comprises the base plate distribution beam (5) being arranged on steel lifted trunk prefabricated panel (2) below, be arranged on steel pile casting top spandrel girder (7) of steel pile casting (1) top, be arranged on and transfer suspension rod (6) between base plate distribution beam (5) and steel pile casting top spandrel girder (7), and be arranged on base plate distribution beam (5) bottom surface and transfer the base plate spandrel girder (4) of suspension rod (6) junction and be arranged on steel pile casting top spandrel girder (7) upper surface and the bearing beam (8) of transferring suspension rod (6) junction, it is characterized in that: described first operating mode fastening devices also comprises and connects free bearing (9), strut and tie (10) be connected pedestal (11), described connection pedestal (11) is fixed on steel lifted trunk prefabricated panel (2), connect free bearing (9) and be fixed on steel pile casting (1) upper end, strut and tie (10) is arranged on and connects pedestal (11) and be connected between free bearing (9),
Also comprise the second operating mode fastening devices, described second operating mode fastening devices comprises encloses purlin (12), inner support (13), stiffener hanging point (14) and bottom concrete (15), described bottom concrete (15) is arranged on steel lifted trunk prefabricated panel (2) upper surface, stiffener hanging point (14) is arranged on the upper and strut and tie (10) of bottom concrete (15) and steel pile casting (1) is welded and fixed, steel lifted trunk sidewall (3) upper end, described left and right inner surface all arranges and encloses purlin (12), two are enclosed between purlin (12) and connect inner support (13).
2. water Bridge bearing platform prefabrication bottom board steel lifting box cofferdam as claimed in claim 1 fastening devices, is characterized in that: described connection free bearing (9), strut and tie (10) and be connected pedestal (11) and be respectively evenly distributed with four along steel pile casting (1) circumference.
3. water Bridge bearing platform prefabrication bottom board steel lifting box cofferdam as claimed in claim 1 fastening devices, is characterized in that: described connection pedestal (11) is for being embedded in the steel plate member on steel lifted trunk prefabricated panel (2).
4. water Bridge bearing platform prefabrication bottom board steel lifting box cofferdam as claimed in claim 1 fastening devices, is characterized in that: described connection free bearing (9), for being welded on the steel work otic placode on steel pile casting (1), otic placode is provided with pin-and-hole.
5. water Bridge bearing platform prefabrication bottom board steel lifting box cofferdam as claimed in claim 1 fastening devices, is characterized in that: described strut and tie (10) is made up of shaped steel.
6. water Bridge bearing platform prefabrication bottom board steel lifting box cofferdam as claimed in claim 1 fastening devices, is characterized in that: described strut and tie (10) be connected pedestal (11) and be welded and fixed, and be connected free bearing (9) pin joint and fix.
7. water Bridge bearing platform prefabrication bottom board steel lifting box cofferdam as claimed in claim 1 fastening devices, is characterized in that: described stiffener hanging point (14) is for being welded on the steel plate on steel pile casting (1).
8. water Bridge bearing platform prefabrication bottom board steel lifting box cofferdam as claimed in claim 1 fastening devices, is characterized in that: described stiffener hanging point (14) is arranged in more than bottom concrete (15) 10 ~ 15cm steel pile casting (1) scope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520288234.0U CN204644882U (en) | 2015-05-07 | 2015-05-07 | A kind of water Bridge bearing platform prefabrication bottom board steel lifting box cofferdam fastening devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520288234.0U CN204644882U (en) | 2015-05-07 | 2015-05-07 | A kind of water Bridge bearing platform prefabrication bottom board steel lifting box cofferdam fastening devices |
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| CN204644882U true CN204644882U (en) | 2015-09-16 |
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| CN201520288234.0U Expired - Fee Related CN204644882U (en) | 2015-05-07 | 2015-05-07 | A kind of water Bridge bearing platform prefabrication bottom board steel lifting box cofferdam fastening devices |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905112A (en) * | 2017-11-30 | 2018-04-13 | 中铁大桥局集团第二工程有限公司 | A kind of not contour steel suspended box cofferdam base arrangement |
| CN108342993A (en) * | 2018-02-26 | 2018-07-31 | 利越集团有限公司 | A kind of underwater support table suspention support platform and its construction |
| CN108643213A (en) * | 2018-05-18 | 2018-10-12 | 中交路桥华南工程有限公司 | The construction method of underwater bearing platform construction structure |
| CN109295982A (en) * | 2018-11-15 | 2019-02-01 | 中国二十二冶集团有限公司 | The construction method of binder steel jacket box in water |
| CN110185050A (en) * | 2019-04-25 | 2019-08-30 | 上海市政建设有限公司 | A kind of concrete earth cofferdam and construction method |
| CN110359476A (en) * | 2019-07-04 | 2019-10-22 | 中铁七局集团有限公司 | A kind of construction method of steel sheet-pile cofferdam inner support and drilled pile steel pile casting installation operation platform |
| CN110820782A (en) * | 2019-12-05 | 2020-02-21 | 中国铁建大桥工程局集团有限公司 | Novel underwater bottom-sealing-free steel concrete combined hanging box and lowering method thereof |
| CN110939063A (en) * | 2019-11-12 | 2020-03-31 | 中国铁建大桥工程局集团有限公司 | Rapid construction method for underwater isolated pier support platform |
-
2015
- 2015-05-07 CN CN201520288234.0U patent/CN204644882U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905112A (en) * | 2017-11-30 | 2018-04-13 | 中铁大桥局集团第二工程有限公司 | A kind of not contour steel suspended box cofferdam base arrangement |
| CN107905112B (en) * | 2017-11-30 | 2024-03-01 | 中铁大桥局集团第二工程有限公司 | Unequal-height steel hanging box cofferdam bottom plate structure |
| CN108342993A (en) * | 2018-02-26 | 2018-07-31 | 利越集团有限公司 | A kind of underwater support table suspention support platform and its construction |
| CN108643213A (en) * | 2018-05-18 | 2018-10-12 | 中交路桥华南工程有限公司 | The construction method of underwater bearing platform construction structure |
| CN109295982A (en) * | 2018-11-15 | 2019-02-01 | 中国二十二冶集团有限公司 | The construction method of binder steel jacket box in water |
| CN110185050A (en) * | 2019-04-25 | 2019-08-30 | 上海市政建设有限公司 | A kind of concrete earth cofferdam and construction method |
| CN110359476A (en) * | 2019-07-04 | 2019-10-22 | 中铁七局集团有限公司 | A kind of construction method of steel sheet-pile cofferdam inner support and drilled pile steel pile casting installation operation platform |
| CN110939063A (en) * | 2019-11-12 | 2020-03-31 | 中国铁建大桥工程局集团有限公司 | Rapid construction method for underwater isolated pier support platform |
| CN110820782A (en) * | 2019-12-05 | 2020-02-21 | 中国铁建大桥工程局集团有限公司 | Novel underwater bottom-sealing-free steel concrete combined hanging box and lowering method thereof |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20160920 Address after: 710065, No. eight, No. 262 East Road, Yanta District, Shaanxi, Xi'an Patentee after: CCCC SECOND HIGHWAY ENGINEERING Co.,Ltd. Patentee after: CCCC SECOND HIGHWAY FOURTH ENGINEERING Co.,Ltd. Address before: 710065 No. six, No. 33, science and technology, Shaanxi, Xi'an Patentee before: CCCC SECOND HIGHWAY ENGINEERING Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 |