CN202273240U - Light single-wall steel hanging box cofferdam for deepwater bridge foundation construction - Google Patents
Light single-wall steel hanging box cofferdam for deepwater bridge foundation construction Download PDFInfo
- Publication number
- CN202273240U CN202273240U CN2011202928613U CN201120292861U CN202273240U CN 202273240 U CN202273240 U CN 202273240U CN 2011202928613 U CN2011202928613 U CN 2011202928613U CN 201120292861 U CN201120292861 U CN 201120292861U CN 202273240 U CN202273240 U CN 202273240U
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- China
- Prior art keywords
- wall steel
- box cofferdam
- epimerite
- angle side
- coxopodite
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Abstract
The utility model relates to a light single-wall steel hanging box cofferdam for deepwater bridge foundation construction, which consists of a top section 1 and a bottom section 2, wherein the lower edge of the top section 1 and the upper edge of the bottom section 2 are respectively provided with a lower corner ribbed plate 7 provided with a hole; the two lower corner ribbed plates 7 are connected with each other by a screw rod 3 and a nut 4; and the light single-wall steel hanging box cofferdam is characterized in that the upper part of the top section 1 is provided with an upper corner ribbed plate 6 which is connected with the two lower corner ribbed plates 7 by a long screw rod 5 and the nut 4. The light single-wall steel hanging box cofferdam has the advantages of being free from the difficulty of disassembly for the steel hanging box cofferdam during underwater operation, improving the disassembling efficiency, reducing the unsafe factors and saving the construction cost.
Description
Technical field
The utility model relates to used instrument in the construction of bridge deep water foundation, and a kind of light-duty single-wall steel suspended box cofferdam is provided especially.
Background technology
The general single-wall steel suspended box cofferdam that adopts in the bridge deepwater high pile bearing platform construction, in traditional way, the epimerite of single-wall steel suspended box cofferdam and the end (in) to save be to be fastenedly connected with lag bolt and nut; This single-wall steel suspended box cofferdam when removing, initial lag bolt place of removing, epimerite and the end (in) slit can appear between saving; Water can pour in down a chimney, along with the lag bolt of removing increases, epimerite and the end (in) slit between the joint understands increasing; Thereby the water yield that gets into also can get more and more, dismountings of can only diving under water under water of most lag bolts, so increased difficulty to dismounting; Improved operating cost, technical difficulty is big, and is dangerous high.
Summary of the invention
The purpose of the utility model provides a kind of light-duty single-wall steel suspended box cofferdam that can reduce the dismounting difficulty, to solve disassembling bolts difficulty in the single-wall steel suspended box cofferdam, high, the dangerous big problem of cost.
For solving the problems of the technologies described above; The utility model provides a kind of light-duty single-wall steel suspended box cofferdam; Be made up of epimerite 1 and coxopodite 2, the upper limb of the lower edge of epimerite 1 and coxopodite 2 has 7, two following angle side bracket 7 usefulness screw rods 3 of following angle side bracket with holes to link together with nut 4 respectively; It is characterized in that: last angle side bracket 6 is arranged at the top of epimerite 1, links together through long bolt 5, nut 4 and two following angle side brackets 7.Wherein, between per two long bolts 51 short screw 3 is arranged.
The light-duty single-wall steel suspended box cofferdam that the utility model provides is characterized in that: between epimerite 1 and coxopodite 2, can have one or more in the joint 8.
Adopted in the utility model short screw 3 and long bolt 5 carry out at interval about (in) the joint suspension box-cofferdam is connected, when removing, dismounting short screw 3 earlier; Slit between epimerite and the coxopodite is very little, and it is less to pour in down a chimney the water yield, does not influence the operation that continues to remove remaining short screw 3; Remove when whole short screws 3 and to finish, the staff can remove long bolt 5 on the water surface, when whole long bolts 5 dismountings finish; Can epimerite 1 be hung out, the dismounting operation of whole single-wall steel suspended box cofferdam can be at subaqueous work.
The light-duty single-wall steel suspended box cofferdam that the utility model provides, its advantage is: reduced the difficulty of single-wall steel suspended box cofferdam dismounting operation, improved dismounting efficient, reduced unsafe factor, practiced thrift construction cost.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation:
Fig. 1 is the lateral view of light-duty single-wall steel suspended box cofferdam;
Fig. 2 is the elevation of light-duty single-wall steel suspended box cofferdam;
Fig. 3 is the light-duty single-wall steel suspended box cofferdam A-A sectional view of joint in the band;
Fig. 4 is the light-duty single-wall steel suspended box cofferdam B-B sectional view of joint in the band;
Fig. 5 is the light-duty single-wall steel suspended box cofferdam elevation of joint in the band.
The specific embodiment
The structure of light-duty single-wall steel suspended box cofferdam is like Fig. 1, shown in 2, the application of this single-wall steel suspended box cofferdam in the highway deep-water pier of Panjin to Yingkou, and the physical dimension of steel suspended box cofferdam is: 14.8m * 7.0m * 6.9m.
In the construction, angle side bracket 6 is installed on epimerite 1 top of single-wall steel suspended box cofferdam, last angle side bracket 6 adopts 100 bugle steel to be welded on epimerite 1 top, on last angle side bracket 6, makes screw hole, pitch-row 400mm, aperture Φ 16mm; 7, two following angle side brackets 7 of angle side bracket adopt 100 bugle steel to be welded on epimerite 1 lower edge and coxopodite 2 upper limbs under installing respectively on epimerite 1 lower edge and coxopodite 2 upper limbs, on two following angle side brackets 7, make screw hole, pitch-row 200mm, aperture Φ 16mm simultaneously; Coxopodite 2 is fixed on the operation at sea platform steel pipe pile, and epimerite 1 drops on the coxopodite 2; On the corner bracket floor of installing on the upper limb of coxopodite 2, make screw hole, every short screw 3 of in a hole, installing is fixed with two nuts; Every long bolt 5 of in a hole, installing; Long bolt 5 is processed by Φ 16mm plain bar; Screw thread is made at two ends, long bolt 5 one ends is installed in the screw hole of the following angle side bracket 7 that coxopodite 2 upper limbs install, and long bolt 5 other ends are installed in the screw hole that the last angle side bracket 6 at epimerite 1 upper limb place makes; With nut 4 fastening two ends, lower end nut 4 is welded on the securing member.
Remove the single-wall steel suspended box cofferdam operation: remove short screw 3 earlier, remove short screw 3 backs under the effect of long bolt 5, the slit between epimerite 1 and the coxopodite 2 is little; It is less to pour in down a chimney the water yield; Do not influence the operation that continues to remove bolt,, on the water surface, remove long bolt 5 when whole short screws 3 have been torn open; Whole long bolts 5 are torn open complete, can epimerite 1 be hung out.
The dismounting operation of this single-wall steel suspended box cofferdam is construction under water not; Do not need diving apparatus and cutting equipment under water, saved the diving apparatus and the expense of cutting equipment under water, do not need the diver; Realized the top (in) turnover of joint steel suspended box cofferdam and screw rod uses, and reduced engineering cost.
The application of light-duty single-wall steel suspended box cofferdam in the speedway deep-water pier, the physical dimension in cofferdam is: 15.82 m * 8.0m * 7.6m.
In construction, angle side bracket 6 is installed on epimerite 1 top of single-wall steel suspended box cofferdam, last angle side bracket 6 adopts 100 bugle steel to be welded on epimerite 1 top, on last corner bracket 6, makes screw hole, pitch-row 400mm, aperture Φ 16mm; Corner bracket floor under installing respectively on epimerite 1 lower edge and coxopodite 2 upper limbs, two following angle side brackets 7 adopt 100 bugle steel to be welded on epimerite 1 lower edge and coxopodite 2 upper limbs, on two following angle side brackets 7, make screw hole, pitch-row 200mm, aperture Φ 16mm simultaneously; Coxopodite 2 is fixed on the operation at sea platform steel pipe pile, and epimerite 1 drops on the coxopodite 2; On the angle side bracket of installing on the upper limb of coxopodite 27, make screw hole, 3 short screws 3 whenever are installed in a hole, fixing with six nuts 4; Every long bolt 5 of in three holes, installing; Long bolt 5 is processed by Φ 16mm plain bar; Screw thread is made at two ends, long bolt 5 one ends is installed in the screw hole of the following angle side bracket 7 that coxopodite 2 upper limbs install, and long bolt 5 other ends are installed in the screw hole that the last angle side bracket 6 at epimerite 1 upper limb place makes; With nut 4 fastening two ends, lower end nut 4 is welded on the securing member.
Remove light-duty single-wall steel suspended box cofferdam operation: remove short screw 3 earlier, remove short screw 3 backs under the effect of long bolt 5, the slit between epimerite 1 and the coxopodite 2 is little; It is less to pour in down a chimney the water yield; Do not influence the operation that continues to remove bolt,, on the water surface, remove long bolt 5 when whole short screws 3 have been torn open; Whole long bolts 5 are torn open complete, can epimerite 1 be hung out.
The dismounting operation of this light-duty single-wall steel suspended box cofferdam is not at subaqueous work; Do not need diving apparatus and cutting equipment under water, saved the diving apparatus and the expense of cutting equipment under water, do not need the diver; Realize the turnover use of epimerite steel suspended box cofferdam and screw rod, reduced total cost.
The structure of light-duty single-wall steel suspended box cofferdam is like Fig. 3,4, shown in 5, the application of light-duty single-wall steel suspended box cofferdam in actual speedway deep-water pier, and the physical dimension of light-duty single-wall steel suspended box cofferdam is: 14.8m * 7.0m * 6.8m.
In construction, angle side bracket 6 is installed on epimerite 1 top of light-duty single-wall steel suspended box cofferdam, last angle side bracket 6 adopts 100 bugle steel to be welded on epimerite 1 top, on last angle side bracket 6, makes screw hole, pitch-row 400mm, aperture Φ 16mm; At epimerite 1 lower edge and middle joint 8 upper limbs, middle joint 8 lower edges and coxopodite 2 upper limbs angle side bracket 7 down is installed respectively, following angle side bracket 7 adopts 100 bugle steel to be welded in epimerite 1 lower edge
, make screw hole, pitch-row 200mm, aperture Φ 16mm on lower edge, coxopodite 2 upper limbs on the middle joint 8; Coxopodite 2 is fixed on the operation at sea platform steel pipe pile, on the joint 8, saves on 2 during middle joint 8 drops on during epimerite 1 drops on; On the angle side bracket of installing on the upper limb of coxopodite 27, make screw hole,, 5 short screws 3 are installed whenever at a distance from a hole, fixing with ten nuts 4; Every long bolt 5 of in five holes, installing; Long bolt 5 is processed by Φ 16mm plain bar; Screw thread is made at two ends, long bolt 5 one ends is installed in the screw hole of the following angle side bracket 7 that coxopodite 2 upper limbs install, and long bolt 5 other ends are installed in the screw hole that the last angle side bracket 6 at epimerite 1 upper limb place makes; With nut 4 fastening two ends, lower end nut 4 is welded on the securing member.
Remove light-duty single-wall steel suspended box cofferdam operation: remove short screw 3 earlier, remove short screw 3 backs under the effect of long bolt 5, the slit between epimerite 1, middle joint 8 and the coxopodite 2 is little; It is less to pour in down a chimney the water yield; Do not influence the operation that continues to remove bolt,, on the water surface, remove long bolt 5 when whole short screws 3 have been torn open; Whole long bolts 5 are torn open complete, can epimerite 1 and middle joint 8 be hung out.
The dismounting operation of this light-duty single-wall steel suspended box cofferdam is not at subaqueous work; Do not need diving apparatus and cutting equipment under water, saved the diving apparatus and the expense of cutting equipment under water, need not the diver; Realize the turnover use of epimerite steel suspended box cofferdam and screw rod, reduced total cost.
Claims (3)
1. light-duty single-wall steel suspended box cofferdam that is used for the deep water bridge foundation construction; Form by epimerite (1) and coxopodite (2); The upper limb of the lower edge of epimerite (1) and coxopodite (2) has following angle side bracket (7) with holes respectively; Two following angle side brackets (7) link together with screw rod (3) and nut (4), it is characterized in that: last angle side bracket (6) is arranged at the top of epimerite (1), links together through long bolt (5), nut (4) and two following angle side brackets (7).
2. according to the said light-duty single-wall steel suspended box cofferdam that is used for the deep water bridge foundation construction of claim 1, it is characterized in that: 1 short screw (3) is arranged between per two long bolts (5).
3. according to the said light-duty single-wall steel suspended box cofferdam that is used for the deep water bridge foundation construction of claim 1, it is characterized in that: between epimerite (1) and coxopodite (2), have one or more in the joint (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202928613U CN202273240U (en) | 2011-08-12 | 2011-08-12 | Light single-wall steel hanging box cofferdam for deepwater bridge foundation construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202928613U CN202273240U (en) | 2011-08-12 | 2011-08-12 | Light single-wall steel hanging box cofferdam for deepwater bridge foundation construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202273240U true CN202273240U (en) | 2012-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202928613U Expired - Fee Related CN202273240U (en) | 2011-08-12 | 2011-08-12 | Light single-wall steel hanging box cofferdam for deepwater bridge foundation construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202273240U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821157A (en) * | 2014-02-27 | 2014-05-28 | 山东省路桥集团有限公司 | Wallboard lattice type steel cover box and method for constructing underwater bearing platform steel cover box |
| CN108677978A (en) * | 2018-05-04 | 2018-10-19 | 中国建筑第四工程局有限公司 | A kind of bridge prestressing without bondn splicing Double-Wall Steel Boxed Cofferdam sinking construction engineering method |
-
2011
- 2011-08-12 CN CN2011202928613U patent/CN202273240U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821157A (en) * | 2014-02-27 | 2014-05-28 | 山东省路桥集团有限公司 | Wallboard lattice type steel cover box and method for constructing underwater bearing platform steel cover box |
| CN103821157B (en) * | 2014-02-27 | 2015-09-16 | 山东省路桥集团有限公司 | Wallboard lattice steel jacket box and under water held platform set box construction method |
| CN108677978A (en) * | 2018-05-04 | 2018-10-19 | 中国建筑第四工程局有限公司 | A kind of bridge prestressing without bondn splicing Double-Wall Steel Boxed Cofferdam sinking construction engineering method |
| CN108677978B (en) * | 2018-05-04 | 2021-06-15 | 中国建筑第四工程局有限公司 | Sinking construction method for bridge unbonded prestressed spliced double-wall steel cofferdam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120613 Termination date: 20170812 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |