CN205035815U - Steel reinforced concrete combination cofferdam - Google Patents
Steel reinforced concrete combination cofferdam Download PDFInfo
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- CN205035815U CN205035815U CN201520512695.1U CN201520512695U CN205035815U CN 205035815 U CN205035815 U CN 205035815U CN 201520512695 U CN201520512695 U CN 201520512695U CN 205035815 U CN205035815 U CN 205035815U
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Abstract
The utility model discloses a steel reinforced concrete combination cofferdam, relate to bridge construction field, this combination cofferdam includes the double -walled steel cofferdam, be provided with a plurality of compartments between its inner wall and the outer wall, the bottom of double -walled steel cofferdam is provided with concrete cofferdam, the concrete cofferdam top is fixed with a plurality of I shape built -in fittings and pre -buried subassembly, every I shape built -in fitting corresponds 1 compartment, every I shape built -in fitting all includes upper portion, middle part and lower part, the wall connection of its upper portion and double -walled steel cofferdam, the middle part is connected with the compartment, lower part and interior wall connection, pre -buried subassembly includes first bar built -in fitting and second bar built -in fitting, first bar built -in fitting all with the wall connection of double -walled steel cofferdam, second bar built -in fitting all with the interior wall connection of double -walled steel cofferdam. The utility model discloses the coxopodite adopts the concrete to replace the steel construction, not only can effectively reduce the steel construction quantity in cofferdam, reduces construction cost, can effectively reduce the cofferdam construction degree of difficulty moreover.
Description
Technical field
The utility model relates to field of bridge construction, specifically relates to a kind of steel reinforced concrete combined cofferdam.
Background technology
At present, deepwater foundation construction all adopts steel lifted trunk or steel boxed cofferdam construction, and single main pier cofferdam steel structure work amount is huge, generally has the engineering quantity of more than kiloton.The processing in cofferdam, manufacture and on-site consolidation difficulty are large.Yangtze upriver areas SEA LEVEL VARIATION is large, dry season and water level discrepancy in elevation change flood period reach 20m, surface in part in dry season riverbed, as adopted traditional steel cofferdam form, its cofferdam height is high, and the consumption of steel work is large, construction cost is high, and the engineering quantity of steel work is large, makes the corresponding increasing of its processing and manufacturing difficulty.
Utility model content
The purpose of this utility model is the deficiency in order to overcome above-mentioned background technology, a kind of steel reinforced concrete combined cofferdam is provided, its coxopodite adopts concrete to replace steel work, compared with the cofferdam of full steel structure in prior art, not only effectively can reduce the steel work consumption in cofferdam, reduce construction cost, and can effectively reduce cofferdam construction difficulty.
The utility model provides a kind of steel reinforced concrete combined cofferdam, comprise Double-Wall Steel Boxed Cofferdam, some shifting boards are provided with between its inwall and outer wall, the bottom of described Double-Wall Steel Boxed Cofferdam is provided with concrete cofferdam, and described concrete cofferdam top is fixed with some I shape built-in fittings and fastener inserts, corresponding 1 shifting board of each I shape built-in fitting, each I shape built-in fitting includes upper, middle and lower, its top is connected with the outer wall of Double-Wall Steel Boxed Cofferdam, and middle part is connected with shifting board, and bottom is connected with inwall;
Described fastener inserts comprises the first bar shaped built-in fitting and the second bar shaped built-in fitting, and all first bar shaped built-in fittings are all connected with the outer wall of Double-Wall Steel Boxed Cofferdam, and all second bar shaped built-in fittings are all connected with the inwall of Double-Wall Steel Boxed Cofferdam.
On the basis of technique scheme, the top of described each I shape built-in fitting is all vertically provided with some first stiffeners, and all first stiffeners all stretch into the inside of concrete cofferdam.
On the basis of technique scheme, in described concrete cofferdam, be provided with bottom concrete, bottom concrete and concrete cofferdam either flush.
On the basis of technique scheme, described concrete cofferdam has all been horizontally disposed with the second stiffener with the corresponding part of I shape built-in fitting, and the second stiffener all stretches into the inside of bottom concrete.
On the basis of technique scheme, in described Double-Wall Steel Boxed Cofferdam, be provided with inner support.
Compared with prior art, advantage of the present utility model is as follows:
(1) the steel reinforced concrete combined cofferdam in the utility model, its coxopodite adopts concrete to replace steel work, compared with the cofferdam of full steel structure in prior art, not only effectively can reduce the steel work consumption in cofferdam, reduce construction cost, and can effectively reduce cofferdam construction difficulty.
(2) the steel reinforced concrete combined cofferdam in the utility model, its epimerite is steel work, and the dismountable recycling in epimerite cofferdam, can economize on resources.
Accompanying drawing explanation
Fig. 1 is the structural representation of steel reinforced concrete combined cofferdam in the utility model embodiment.
Fig. 2 is the plan view of I shape built-in fitting and fastener inserts in the utility model embodiment.
Fig. 3 is the profile of I shape built-in fitting.
Fig. 4 is the profile of fastener inserts.
Fig. 5 is the structural representation that the second stiffener stretches into bottom concrete inside.
Reference numeral: 1-concrete cofferdam, 2-Double-Wall Steel Boxed Cofferdam, 3-inner support, 4-bottom concrete, 5-I shape built-in fitting, 5a-top, in the middle part of 5b-, 5c-bottom, 6-fastener inserts, 6a-first bar shaped built-in fitting, 6b-second bar shaped built-in fitting, 7-first stiffener, 8-shifting board, 9-second stiffener.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Shown in Figure 1, the utility model embodiment provides a kind of steel reinforced concrete combined cofferdam, comprises Double-Wall Steel Boxed Cofferdam 2, is provided with some shifting boards 8 between its inwall and outer wall, and the bottom of Double-Wall Steel Boxed Cofferdam 2 is provided with concrete cofferdam 1.
Shown in Figure 2, concrete cofferdam 1 top is fixed with some I shape built-in fittings 5 and fastener inserts 6.Corresponding 1 shifting board 8 of each I shape built-in fitting 5, each I shape built-in fitting 5 includes top 5a, middle part 5b and bottom 5c, and its top 5a is connected with the outer wall of Double-Wall Steel Boxed Cofferdam 2, and middle part 5b is connected with shifting board 8, and bottom 5c is connected with inwall.
Shown in Figure 3, the top 5a of each I shape built-in fitting 5 is all vertically provided with some first stiffeners 7, and all first stiffeners 7 all stretch into the inside of concrete cofferdam 1, for bearing Double-Wall Steel Boxed Cofferdam 2 outer wall to the pulling force of I shape built-in fitting 5.
Shown in Fig. 2 and Fig. 4, fastener inserts 6 comprises the first bar shaped built-in fitting 6a and the second bar shaped built-in fitting 6b, and all first bar shaped built-in fitting 6a are all connected with the outer wall of Double-Wall Steel Boxed Cofferdam 2, and all second bar shaped built-in fitting 6b are all connected with the inwall of Double-Wall Steel Boxed Cofferdam 2.
Shown in Figure 5, in order to ensure the consolidation characteristics bottom Double-Wall Steel Boxed Cofferdam 2, concrete cofferdam 1 has all been horizontally disposed with the second stiffener 9 with the corresponding part of I shape built-in fitting 5, second stiffener 9 all stretches into the inside of bottom concrete 4, to ensure that Double-Wall Steel Boxed Cofferdam 2 bottom moment can effectively reach bottom concrete 4.
The utility model is not only confined to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but any change is done in its shape or structure; every have identical with the utility model or akin technical scheme, all within its protection domain.
Claims (5)
1. a steel reinforced concrete combined cofferdam, comprise Double-Wall Steel Boxed Cofferdam (2), some shifting boards (8) are provided with between its inwall and outer wall, it is characterized in that: the bottom of described Double-Wall Steel Boxed Cofferdam (2) is provided with concrete cofferdam (1), described concrete cofferdam (1) top is fixed with some I shape built-in fittings (5) and fastener inserts (6), corresponding 1 shifting board (8) of each I shape built-in fitting (5), each I shape built-in fitting (5) includes top (5a), middle part (5b) and bottom (5c), its top (5a) is connected with the outer wall of Double-Wall Steel Boxed Cofferdam (2), middle part (5b) is connected with shifting board (8), (5c) is connected with inwall in bottom,
Described fastener inserts (6) comprises the first bar shaped built-in fitting (6a) and the second bar shaped built-in fitting (6b), all first bar shaped built-in fittings (6a) are all connected with the outer wall of Double-Wall Steel Boxed Cofferdam (2), and all second bar shaped built-in fittings (6b) are all connected with the inwall of Double-Wall Steel Boxed Cofferdam (2).
2. steel reinforced concrete combined cofferdam as claimed in claim 1, it is characterized in that: the top (5a) of described each I shape built-in fitting (5) is all vertically provided with some first stiffeners (7), and all first stiffeners (7) all stretch into the inside of concrete cofferdam (1).
3. steel reinforced concrete combined cofferdam as claimed in claim 1, is characterized in that: be provided with bottom concrete (4) in described concrete cofferdam (1), bottom concrete (4) and concrete cofferdam (1) either flush.
4. steel reinforced concrete combined cofferdam as claimed in claim 3, it is characterized in that: described concrete cofferdam (1) has all been horizontally disposed with the second stiffener (9) with the corresponding part of I shape built-in fitting (5), the second stiffener (9) all stretches into the inside of bottom concrete (4).
5. the steel reinforced concrete combined cofferdam according to any one of Claims 1-4, is characterized in that: be provided with inner support (3) in described Double-Wall Steel Boxed Cofferdam (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520512695.1U CN205035815U (en) | 2015-07-16 | 2015-07-16 | Steel reinforced concrete combination cofferdam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520512695.1U CN205035815U (en) | 2015-07-16 | 2015-07-16 | Steel reinforced concrete combination cofferdam |
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| CN205035815U true CN205035815U (en) | 2016-02-17 |
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| CN201520512695.1U Active CN205035815U (en) | 2015-07-16 | 2015-07-16 | Steel reinforced concrete combination cofferdam |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105862892A (en) * | 2016-05-31 | 2016-08-17 | 中铁五局集团有限公司 | Double-walled steel cofferdam |
| CN109113086A (en) * | 2018-10-24 | 2019-01-01 | 湖北工业大学 | A kind of steel reinforced concrete combined cofferdam construction method in deep water exposed bedrock riverbed area |
| CN109706948A (en) * | 2019-01-11 | 2019-05-03 | 中铁大桥勘测设计院集团有限公司 | The connecting structure and construction method of steel cofferdam and concrete open caisson |
| CN111926838A (en) * | 2020-08-31 | 2020-11-13 | 河南传衡建设工程有限公司 | River channel multi-span arch-connected slope supporting gallery type quick dismounting combined cofferdam |
-
2015
- 2015-07-16 CN CN201520512695.1U patent/CN205035815U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105862892A (en) * | 2016-05-31 | 2016-08-17 | 中铁五局集团有限公司 | Double-walled steel cofferdam |
| CN109113086A (en) * | 2018-10-24 | 2019-01-01 | 湖北工业大学 | A kind of steel reinforced concrete combined cofferdam construction method in deep water exposed bedrock riverbed area |
| CN109706948A (en) * | 2019-01-11 | 2019-05-03 | 中铁大桥勘测设计院集团有限公司 | The connecting structure and construction method of steel cofferdam and concrete open caisson |
| CN111926838A (en) * | 2020-08-31 | 2020-11-13 | 河南传衡建设工程有限公司 | River channel multi-span arch-connected slope supporting gallery type quick dismounting combined cofferdam |
| CN111926838B (en) * | 2020-08-31 | 2024-04-26 | 河南传衡建设工程有限公司 | River channel multi-span joint arch slope supporting corridor type rapid dismounting combined cofferdam |
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