CN105604072A - Steel pile casing cofferdam and steel pile casing settling and positioning method applying same - Google Patents
Steel pile casing cofferdam and steel pile casing settling and positioning method applying same Download PDFInfo
- Publication number
- CN105604072A CN105604072A CN201610031825.9A CN201610031825A CN105604072A CN 105604072 A CN105604072 A CN 105604072A CN 201610031825 A CN201610031825 A CN 201610031825A CN 105604072 A CN105604072 A CN 105604072A
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- cofferdam
- steel
- steel casing
- casing
- drilling platform
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention provides a steel pile casing settling and positioning method applying a steel pile casing cofferdam. The method comprises the following steps: 1, constructing drilling platform steel pipe piles, and constructing drilling platform supported trestles on the drilling platform steel pipe piles; 2, machining the steel pile casing cofferdam; 3, delivering the steel pile casing cofferdam to the settling position; 4, sliding the drilling platform steel pipe piles downwards along the steel pile casing cofferdam through a floating crane till the seabed surface is reached; 5, mounting a pile casing positioning rack on a drilling platform, hoisting steel pile casings with the floating crane, and vertically descending the steel pile casings to a steel pile casing descending bin along the positioning rack; 6, conducting pouring on the interior of the steel pile casing descending bin. According to the steel pile casing cofferdam and the steel pile casing settling and positioning method applying the same, the cofferdam and the drilling platform steel pipe piles are connected through connecting and extending-and-contracting devices, the cofferdam is positioned and descended through the drilling platform steel pipe piles, then the cofferdam is descended to the seabed surface along the drilling platform steel pipe piles, interference with descending of the cofferdam caused by wave current force is avoided, and cofferdam descending precision is guaranteed.
Description
Technical field
The invention belongs to on-water bridge construction field, especially relate to a kind of steel casing cofferdam and apply steel and protectThe steel casing sinking installation method in cylinder cofferdam.
Background technology
Bridge spanning the sea bored pile construction under marine environment condition, when major diameter, long steel casing are subject to by forceThe active force of trend, wave, and run into the thinner or hard exposed bed surface of intectate rock of cover layer,Steel casing cannot be taken root, and need to solve steel casing stable problem by artificial cover layer. In sea, pier positionBed surface is transferred overall apron cofferdam, then in steel casing position, each position, septulum is separated in overall cofferdamStorehouse, the construction of this method solves the hard naked rock sea bed face steel-pipe pile pile problem of taking root, and can save, heightThe underwater concrete that effect is thrown in, accelerates artificial cover layer construction. But, the sea large at stormy waves, trend is strongTerritory environment, steel casing cofferdam decentralization process is subject to the impact of very strong horizontal wave current thrust, steel casing cofferdamSinking difficulty, steel casing cofferdam rear precision in place is difficult to ensure card.
Summary of the invention
In view of this, the present invention is intended to propose the steel casing in a kind of steel casing cofferdam and application steel casing cofferdamSinking installation method, protects to solve the steel badly causing because of external environment when present steel casing cofferdam declinesThe cylinder cofferdam difficult problem that declines.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of steel casing cofferdam, comprises steel casing cofferdam body, the lateral surface of described steel casing cofferdam bodyBe provided with retractor device, the position of described retractor device and quantity and steel casing are transferred the drilling platform of positionThe corresponding setting of steel-pipe pile, described retractor device comprises snap ring, head rod and the second connecting rod, instituteState head rod and be connected with snap ring, described the second connecting rod is connected with steel casing cofferdam body, and describedBetween one connecting rod and the second connecting rod, be provided with flexible bindiny mechanism.
Further, described flexible bindiny mechanism comprises the strip hole arranging on the second connecting rod, and this is rectangularIn hole, being provided with bolt is connected with head rod.
Further, in the body of described steel casing cofferdam according to steel casing transfer position be provided with multiple everyPlate, described multiple dividing plates are separated into multiple steel casings by steel casing body and transfer storehouse.
A steel casing sinking installation method of applying steel casing cofferdam, comprises the following steps:
1). require to build respectively drilling platform steel pipe in the both sides at sinking place, bridge pier position according to Bridge DesignStake is built drilling platform and is propped up trestle, at each brill of the same side on the drilling platform steel-pipe pile of each sideBetween the Platform pipe stake of hole, build the horizontal connected system of platform;
2). according to the machined steel casing cofferdam, position of drilling platform steel-pipe pile, then by this steel casing cofferdamBe transported to sinking pier position place;
3). wait after ebb, carry out the sinking in steel casing cofferdam: utilize the crane barge entirety steel casing of slinging to encloseBehind weir, and slowly transfer to appropriate position, top, sinking pier position place;
4). snap ring is sleeved on the drilling platform steel-pipe pile that this snap ring is corresponding, then by crane barge by steelCasing cofferdam along drilling platform steel-pipe pile down sliding until sea bed face;
5). on drilling platform, install after casing locating rack, adjust locating rack position, make casing locationThe steel casing in frame Kong Weiyu steel casing cofferdam transfers that storehouse is vertical, and precision meets the demands, and protects with floating-crane lifting steelCylinder, makes steel casing vertically transfer to steel casing and transfer storehouse along positioning frame hole, ensures that steel casing is biased with stakePoor meeting the demands;
6). steel casing is transferred and in storehouse, carried out under water not discrete concrete and build, reach casing and take root stableObject, then carries out next root steel casing and transfers.
Further, the method steel casing cofferdam used is Double-Wall Steel Boxed Cofferdam, described step 4) and stepRapid 5) between, be also provided with step 41): adopt tremie method to build water to the space between two walls of Double-Wall Steel Boxed CofferdamLower concrete, the self-stability in increasing steel casing cofferdam, prevents due to sea bed face injustice or at action of ocean currentLower skew.
Further, step 6) in, adopt tremie method to steel casing transfer in storehouse, carry out not discrete under waterConcreting.
With respect to prior art, a kind of steel casing of the present invention cofferdam has following advantage:
The steel casing sinking side in place in a kind of steel casing cofferdam of the present invention and application steel casing cofferdamMethod, is connected cofferdam by connecting retractor device with drilling platform steel-pipe pile, utilize platform pile tube balance steelWave current power on casing cofferdam, position, cofferdam, location, weakens the horizontal force such as trend, wave to cofferdam sinkingImpact; In decentralization process, effectively control the plane position in steel casing cofferdam by adjustable retractor devicePut, successfully solve steel casing cofferdam sinking precision problem in place, utilize cofferdam, drilling platform steel-pipe pile locationTransfer, then cofferdam is transferred to sea bed face along drilling platform steel-pipe pile, avoid wave current power under cofferdamThe interference of putting, ensures that cofferdam transfers precision. Have very big promotional value, social benefit is good.
Brief description of the drawings
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, of the present inventionSchematic description and description is used for explaining the present invention, does not form inappropriate limitation of the present invention. ?In accompanying drawing:
Fig. 1 is a kind of steel casing cofferdam schematic diagram described in the embodiment of the present invention;
Fig. 2 is a kind of steel casing cofferdam retractor device schematic diagram described in the embodiment of the present invention;
Fig. 3 is a kind of steel casing sinking installation method of applying steel casing cofferdam described in the embodiment of the present inventionConstruction drawing.
Description of reference numerals:
1-drilling platform props up trestle; The horizontal connected system of 2-platform; 3-retractor device; 4-drilling platform steelPile tube; 5-sea bed face; 6-steel casing cofferdam; 7-dividing plate.
Detailed description of the invention
It should be noted that, in the situation that not conflicting, the spy in embodiment and embodiment in the present inventionLevy and can mutually combine.
In description of the invention, it will be appreciated that, term " " center ", " longitudinally ", " laterally "," on ", D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " level ",Orientation or the position relationship of the instruction such as " top ", " end ", " interior ", " outward " are based on shown in accompanying drawingOrientation or position relationship, be only the present invention for convenience of description and simplified characterization, instead of instruction or darkThe device or the element that show indication must have specific orientation, construct and operation with specific orientation, thereforeCan not be interpreted as limitation of the present invention. In addition, term " first ", " second " etc. are only for describingObject, and can not be interpreted as instruction or hint relative importance or implicit indicate indicated technical charactericticQuantity. Thus, the feature that is limited with " first ", " second " etc. can be expressed or impliedly wrapDraw together one or more these features. In description of the invention, except as otherwise noted, " multiples' "Implication is two or more.
In description of the invention, it should be noted that, unless otherwise clearly defined and limited, term" installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, alsoCan be to removably connect, or connect integratedly; Can be mechanical connection, can be also electrical connection; CanTo be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand above-mentioned term in the present invention by concrete conditionIn concrete meaning.
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of steel casing cofferdam, comprises steel casing cofferdam body 6, instituteThe lateral surface of stating steel casing cofferdam body 6 is provided with retractor device 3, the position of described retractor device 3 and numberMeasure the corresponding setting of drilling platform steel-pipe pile of transferring position with steel casing, described retractor device 3 comprisesSnap ring 31, head rod 32 and the second connecting rod 33, described head rod 32 and snap ring 31 connectConnect, described the second connecting rod 33 is connected with steel casing cofferdam body 6, described head rod 32 andTwo 33 of connecting rods are provided with flexible bindiny mechanism.
Described flexible bindiny mechanism comprises the strip hole arranging on the second connecting rod 33, in this strip hole, establishesThere is bolt to be connected with head rod 32.
The interior position of transferring according to steel casing of described steel casing cofferdam body 6 is provided with multiple dividing plates 7, described inMultiple dividing plates 7 are separated into multiple steel casings by steel casing body 6 and transfer storehouse.
A steel casing sinking installation method of applying steel casing cofferdam, comprises the following steps:
1). require to build respectively drilling platform steel pipe in the both sides at sinking place, bridge pier position according to Bridge DesignStake 4 is built drilling platform and is propped up trestle 1 on the drilling platform steel-pipe pile 4 of each side, in the same side4 of each drilling platform steel-pipe piles are built the horizontal connected system 2 of platform;
2). according to the machined steel casing cofferdam, position 6 of drilling platform steel-pipe pile 4, then by this steel casingCofferdam 6 is transported to sinking pier position place;
3). wait after ebb, carry out the sinking in steel casing cofferdam 6: utilize the crane barge entirety steel casing of slingingBehind cofferdam 6, and slowly transfer to appropriate position, top, sinking pier position place;
4). snap ring 31 is sleeved on the drilling platform steel-pipe pile 4 of these snap ring 31 correspondences, then passes throughCrane barge by steel casing cofferdam 6 along drilling platform steel-pipe pile 4 down slidings until sea bed face 5;
5). on drilling platform, install after casing locating rack, adjust locating rack position, make casing locationIt is vertical that the steel casing in frame Kong Weiyu steel casing cofferdam 6 is transferred storehouse, and precision meets the demands, and uses floating-crane lifting steelCasing, makes steel casing vertically transfer to steel casing and transfer storehouse along positioning frame hole, ensures steel casing and stake positionDeviation meets the demands;
6). steel casing is transferred and in storehouse, carried out under water not discrete concrete and build, reach casing and take root stableObject, then carries out next root steel casing and transfers.
The method steel casing cofferdam 6 used is Double-Wall Steel Boxed Cofferdam, described step 4) and step 5) between alsoBe provided with step 41): adopt tremie method to build underwater concrete to the space between two walls of Double-Wall Steel Boxed Cofferdam,Strengthen the self-stability in steel casing cofferdam 6, prevent because sea bed face is uneven or occur inclined to one side under action of ocean currentMove.
Step 6) in, adopt tremie method to transfer and in storehouse, carry out under water not discrete concrete and build steel casing.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all at thisWithin the spirit and principle of invention, any amendment of doing, be equal to replacement, improvement etc., all should be included inWithin protection scope of the present invention.
Claims (6)
1. a steel casing cofferdam, is characterized in that: comprise steel casing cofferdam body (6), described inThe lateral surface of steel casing cofferdam body (6) is provided with retractor device (3), the position of described retractor device (3)And quantity and steel casing are transferred the corresponding setting of drilling platform steel-pipe pile of position, described retractor device (3)Comprise snap ring (31), head rod (32) and the second connecting rod (33), described head rod (32) andSnap ring (31) connects, and described the second connecting rod (33) is connected with steel casing cofferdam body (6), and described firstBetween connecting rod (32) and the second connecting rod (33), be provided with flexible bindiny mechanism.
2. a kind of steel casing according to claim 1 cofferdam, is characterized in that: described flexible companyConnection mechanism comprises the upper strip hole arranging of the second connecting rod (33), is provided with bolt and first and connects in this strip holeExtension bar (32) is connected.
3. a kind of steel casing according to claim 1 cofferdam, is characterized in that: described steel casingIn cofferdam body (6), be provided with multiple dividing plates (7), described multiple dividing plates according to the position of transferring of steel casing(7) steel casing body (6) is separated into multiple steel casings and transfers storehouse.
4. a steel casing sinking installation method of applying steel casing cofferdam, is characterized in that: comprise withLower step:
1). require to build respectively drilling platform steel pipe in the both sides at sinking place, bridge pier position according to Bridge DesignStake (4) is built drilling platform and is propped up trestle (1) on the drilling platform steel-pipe pile (4) of each side,Between each drilling platform steel-pipe pile (4) of the same side, build the horizontal connected system of platform (2);
2). according to the machined steel casing cofferdam, position (6) of drilling platform steel-pipe pile (4), then shouldSteel casing cofferdam (6) is transported to sinking pier position place;
3). wait after ebb, carry out the sinking in steel casing cofferdam (6): utilize the crane barge entirety steel of slinging to protectBehind cylinder cofferdam (6), and slowly transfer to appropriate position, top, sinking pier position place;
4). snap ring (31) is sleeved on to the drilling platform steel-pipe pile (4) that this snap ring (31) is corresponding upper,Then by crane barge by steel casing cofferdam (6) along drilling platform steel-pipe pile (4) down sliding until seaBed surface (5);
5). on drilling platform, install after casing locating rack, adjust locating rack position, make casing locationThe steel casing in frame Kong Weiyu steel casing cofferdam (6) transfers that storehouse is vertical, and precision meets the demands, and rises with crane bargeHang steel casing, make steel casing vertically transfer to steel casing and transfer storehouse along positioning frame hole, ensure steel casing withPile position deviation meets the demands;
6). steel casing is transferred and in storehouse, carried out under water not discrete concrete and build, reach casing and take root stableObject, then carries out next root steel casing and transfers.
5. a kind of steel casing sinking installation method of applying steel casing cofferdam according to claim 4,It is characterized in that: the method steel casing cofferdam (6) used is Double-Wall Steel Boxed Cofferdam, described step 4) andStep 5) between be also provided with step 41): adopt tremie method the space between two walls of Double-Wall Steel Boxed Cofferdam is builtUnderwater concrete, strengthens the self-stability in steel casing cofferdam (6), prevent due to sea bed face is uneven orUnder action of ocean current, be offset.
6. a kind of steel casing sinking installation method of applying steel casing cofferdam according to claim 4,It is characterized in that: step 6) in, adopt tremie method to steel casing transfer in storehouse, carry out not discrete mixed under waterSolidifying soil is built.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610031825.9A CN105604072A (en) | 2016-01-18 | 2016-01-18 | Steel pile casing cofferdam and steel pile casing settling and positioning method applying same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610031825.9A CN105604072A (en) | 2016-01-18 | 2016-01-18 | Steel pile casing cofferdam and steel pile casing settling and positioning method applying same |
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| CN105604072A true CN105604072A (en) | 2016-05-25 |
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| CN201610031825.9A Pending CN105604072A (en) | 2016-01-18 | 2016-01-18 | Steel pile casing cofferdam and steel pile casing settling and positioning method applying same |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106284091A (en) * | 2016-08-31 | 2017-01-04 | 中铁局集团有限公司 | Based on the steel pile casting implantation control method boring hammer |
| CN108301409A (en) * | 2018-03-07 | 2018-07-20 | 江苏龙源振华海洋工程有限公司 | A kind of interior casing mounting process |
| CN109137946A (en) * | 2018-10-29 | 2019-01-04 | 四川路桥华东建设有限责任公司 | A kind of rapid rock matter riverbed Double-Wall Steel Boxed Cofferdam quickly positions and firm construction method |
| CN109797759A (en) * | 2019-01-18 | 2019-05-24 | 中铁大桥局集团第五工程有限公司 | A kind of bionical precast-boxed cofferdam of sea scar and its construction method |
| CN109868805A (en) * | 2019-02-28 | 2019-06-11 | 天津大学 | Steel pile casting formula heavy-tamping method underwater reinforced construction method |
| CN112854267A (en) * | 2021-01-05 | 2021-05-28 | 中铁大桥局集团有限公司 | Construction method of high-fall deepwater rock-socketed foundation |
| CN113774936A (en) * | 2021-09-23 | 2021-12-10 | 中铁十一局集团第一工程有限公司 | Floating transportation, positioning and sinking construction method for double-wall steel cofferdam with pile foundation firstly and cofferdam secondly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201187059Y (en) * | 2008-04-24 | 2009-01-28 | 中交第二公路工程局有限公司 | Adjustable horizontal locating device of ultra-large steel hanging box |
| JP2009074269A (en) * | 2007-09-19 | 2009-04-09 | Ohbayashi Corp | Underwater structure reinforcing method and underwater structure |
| CN101748744A (en) * | 2008-12-19 | 2010-06-23 | 四川公路桥梁建设集团有限公司 | Asynchronous sinking construction method of separated steel cofferdam of large-scale bridge base |
| CN102677687A (en) * | 2012-06-08 | 2012-09-19 | 中铁大桥局股份有限公司 | Double-wall steel boxed cofferdam |
| CN104863151A (en) * | 2015-06-11 | 2015-08-26 | 中国铁建大桥工程局集团有限公司 | Method for sinking and positioning large-diameter steel pile casing in sea |
| CN205475277U (en) * | 2016-01-18 | 2016-08-17 | 中国铁建大桥工程局集团有限公司 | Steel protects a cofferdam |
-
2016
- 2016-01-18 CN CN201610031825.9A patent/CN105604072A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009074269A (en) * | 2007-09-19 | 2009-04-09 | Ohbayashi Corp | Underwater structure reinforcing method and underwater structure |
| CN201187059Y (en) * | 2008-04-24 | 2009-01-28 | 中交第二公路工程局有限公司 | Adjustable horizontal locating device of ultra-large steel hanging box |
| CN101748744A (en) * | 2008-12-19 | 2010-06-23 | 四川公路桥梁建设集团有限公司 | Asynchronous sinking construction method of separated steel cofferdam of large-scale bridge base |
| CN102677687A (en) * | 2012-06-08 | 2012-09-19 | 中铁大桥局股份有限公司 | Double-wall steel boxed cofferdam |
| CN104863151A (en) * | 2015-06-11 | 2015-08-26 | 中国铁建大桥工程局集团有限公司 | Method for sinking and positioning large-diameter steel pile casing in sea |
| CN205475277U (en) * | 2016-01-18 | 2016-08-17 | 中国铁建大桥工程局集团有限公司 | Steel protects a cofferdam |
Non-Patent Citations (1)
| Title |
|---|
| 郝又猛: "深水基础双壁钢围堰嵌岩施工技术", 《科技资讯》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106284091A (en) * | 2016-08-31 | 2017-01-04 | 中铁局集团有限公司 | Based on the steel pile casting implantation control method boring hammer |
| CN108301409A (en) * | 2018-03-07 | 2018-07-20 | 江苏龙源振华海洋工程有限公司 | A kind of interior casing mounting process |
| CN109137946A (en) * | 2018-10-29 | 2019-01-04 | 四川路桥华东建设有限责任公司 | A kind of rapid rock matter riverbed Double-Wall Steel Boxed Cofferdam quickly positions and firm construction method |
| CN109797759A (en) * | 2019-01-18 | 2019-05-24 | 中铁大桥局集团第五工程有限公司 | A kind of bionical precast-boxed cofferdam of sea scar and its construction method |
| CN109797759B (en) * | 2019-01-18 | 2020-11-13 | 中铁大桥局集团第五工程有限公司 | Offshore rock surface bionic casing box cofferdam and construction method thereof |
| CN109868805A (en) * | 2019-02-28 | 2019-06-11 | 天津大学 | Steel pile casting formula heavy-tamping method underwater reinforced construction method |
| CN112854267A (en) * | 2021-01-05 | 2021-05-28 | 中铁大桥局集团有限公司 | Construction method of high-fall deepwater rock-socketed foundation |
| CN112854267B (en) * | 2021-01-05 | 2022-04-15 | 中铁大桥局集团有限公司 | Construction method of high-fall deepwater rock-socketed foundation |
| CN113774936A (en) * | 2021-09-23 | 2021-12-10 | 中铁十一局集团第一工程有限公司 | Floating transportation, positioning and sinking construction method for double-wall steel cofferdam with pile foundation firstly and cofferdam secondly |
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Application publication date: 20160525 |