CN1818225A - Base construction and its facilities at rapid stream of deep water - Google Patents
Base construction and its facilities at rapid stream of deep water Download PDFInfo
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- CN1818225A CN1818225A CN 200610031328 CN200610031328A CN1818225A CN 1818225 A CN1818225 A CN 1818225A CN 200610031328 CN200610031328 CN 200610031328 CN 200610031328 A CN200610031328 A CN 200610031328A CN 1818225 A CN1818225 A CN 1818225A
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Abstract
A method for infrastructure construction under deep violent water includes the following steps: 1. built a temporary assistant anchor system in the aimed position; 2. fix a floating steel box in the anchor system; 3. insert a steel protection sleeve through the bottom of the steel box into the earth; 4. weld connecting the steel sleeve with the box to make a stable platform for infrastructure construction.
Description
Technical field
The invention belongs to underwater structures job practices and facility, particularly a kind of method and facility that carries out foundation construction in deep water torrent position.
Background technology
The foundation construction of deep water torrent exists water impact, free height, washes away, locatees the main difficult problem of four aspects, adopted the foundation construction method of steel cofferdam or open caisson in the past, by very big steel cofferdam of size or open caisson are set, and make it embed the position that soil layer is dark and intensity is big, utilize steel cofferdam or open caisson to construct, solved an above-mentioned difficult problem as working platform.But such foundation construction method on the waters of rivers, must begin construction in the dry season, has lost the selection optimistic time to go into operation, so that the flexibility of reduction of erection time.But also need take two dry seasons, and the construction period is long, and its facility is huge in addition, and difficulty of construction is big, the construction cost height.In other waters, exist long in time limitly equally, facility is huge, and difficulty of construction is big, the shortcoming that construction cost is high.
Summary of the invention
The objective of the invention is in order to solve the shortcoming in above-mentioned steel cofferdam or the construction of Open Caisson Foundation method, and propose a kind ofly to set up new method and the facility thereof that working platform carries out foundation construction in deep water torrent position.Can solve the water impact, the free height that in the foundation construction of deep water torrent, exist, wash away, locate the main difficult problem aspect four, reduction of erection time with the present invention.
The job practices that realizes the object of the invention is:
Step 3 utilizes the steel bushing case to transfer, install the steel casing, makes the steel casing pass steel bushing case bottom and embeds in the soil;
Step 4 by welding, forms steel bushing case, steel casing can to resist stable self firm structure platform system of water impact;
Step 5 relies on self firm structure platform system, under deep water torrent condition, carries out foundation construction comprehensively, and foundation construction is finished smoothly.
Setting up the method for installing the steel bushing case in anchorage system and the step 2 in this anchorage system in the described step 1 is: at first more than one single buoyancy aid is divided into two row, connect buoyancy aid in aggregates by connector between the buoyancy aid, fixed at the periphery of this integral body buoyancy aid with anchoring; Install the fixing steel bushing case that can float certainly again in the centre of two row buoyancy aids.Buoyancy aid is barge or casing etc., can be provided with station keeping ship in the barge updrift side.Connector can adopt rigidity connectors such as steel universal rod body or steel girder spare.
Described steel bushing case adopts double-walled to have end steel bushing case to make coxopodite on the coast, and to base bits, and the mode of finishing splicing on coxopodite is installed with in place with the coxopodite transportation by driving.
The construction installation of realizing the object of the invention is: comprise an anchorage system, install in anchorage system and be fixed with the steel bushing case that can float certainly with welded and installed the steel casing be arranged in the bottom of steel bushing case.
The formation of described anchorage system is: is divided into two row by more than one single buoyancy aid, connects buoyancy aid in aggregates by connector between the buoyancy aid, and fixed at the periphery of this integral body buoyancy aid with anchoring, install the fixing steel bushing case that can float certainly in the centre of two row buoyancy aids.Buoyancy aid is barge or casing etc., can be provided with station keeping ship in the barge updrift side.Connector can adopt steel universal rod body or steel girder spare etc.
Described steel bushing case adopts double-walled that end steel bushing case is arranged.
Carry out the isostructural foundation construction of bridge in deep water torrent position, at first need set up a stable working platform in base bits.The foundation of working platform is the key technology of deep water torrent foundation construction.Steel bushing case provided by the invention, steel casing platform, the working platform that comes to this.The steel bushing case is to build of base concrete cushion cap to enclose water and formwork structure, and the steel casing is the guiding and the protection structure of basic foundation pile pore-forming, is again the formwork structure of its concreting simultaneously.If do not adopt other facility, as the steel pipe pile that is set, and only utilize steel bushing case, steel casing to set up platform, because steel bushing case, steel casing are the objects of working platform work, and utilize them own as platform, so this platform system is called steel bushing case, steel casing self platform system.
Operating principle: the present invention is the technology that adopts steel bushing case, steel casing self platform system to carry out foundation construction, and the basis can take to use always, the highrise pile cap form that the foundation pile of not only simple but also safety and cushion cap make up.Construction technology of the present invention adopts can be had end steel bushing case to enclose water from floating double-walled to build cushion cap under water, utilizes long-pending big, the characteristic that rigidity is big of steel bushing casing, holds and transfer the steel casing in current with the steel bushing clamp, and the steel casing is embedded in the soil.The firm structure platform that utilizes steel bushing case, boring steel casing to form is finished part foundation pile bore forming, utilizes the steel bushing case, and the stable platform system of pile steel casing formation is finished all foundation constructions after this.The firm structure platform system that steel bushing case, steel casing self platform system just are made up of steel bushing case and steel casing.Before steel bushing case, the firm structure platform of boring steel casing did not form, the steel bushing case relied on the anchorage system of anchor and anchor hawser to keep stable in current.
Because the water resistance of steel bushing case, steel casing is much smaller than structures such as steel cofferdam, open caissons, so utilize anchorage system and steel bushing case, the firm structure system of steel casing can solve the water impact problem in any season that comprises the flood season; Utilize the major diameter characteristic of steel casing, and the big rigidity steel bushing case that sinks under the water can solve the destabilization problems that the construction installation free height causes to the clamping of steel casing; Utilize steel casing current obstruction area little, the steel casing sets, pile situation about all finishing in dry season within it, solved the problem of washing away; Utilize anchor hawser to steel bushing case adjustment location, under the very little situation of wave, transfer location steel casing, can solve the accurate orientation problem of constructing structure.After having solved water impact, free height, washing away, locate four problems, steel bushing case, steel casing self platform system are exactly the reliable dependence of deep water torrent foundation construction, it is the working platform of personnel, equipment operation, also be the place to place of construction material, object, can guarantee that foundation construction carries out smoothly in current.
Since do not need as steel cofferdam, open caisson carry out the sinking of massive structure,, the construction of embedding rock, make that the construction speed of this platform system is fast, foundation construction can be in a short period of time, as finishing in the dry season of flood period and 6 months thereafter of 1-2 month.Flood period wherein is generally in order to carry out preparation of construction work.
Innovative point of the present invention is: the first, do not adopt huge systems such as the steel cofferdam that in the past must use, open caisson, and similarly also solve deep water torrent foundation construction water impact, free height, washed away, located four problems; The second, only adopt in the past steel bushing case as cushion cap, foundation pile construction structure, steel casing as force structure, constitute firm structure platform, make foundation construction safer, more save and speed faster; The 3rd, deep water torrent basis in the past must be waited in the depth of water, less dry season of water flow velocity and just can be gone into operation, and this construction technology can make foundation construction begin to carry out in the flood season.The 4th, short, the cost saving of this construction technology construction period.
Construction technology of the present invention has solved the problem of foundation of the operation platform of deep water torrent foundation construction most critical, and has obtained the important breakthrough that guarantees on short duration foundation construction duration.As having adopted construction technology of the present invention in certain bridge master bridge south column foot plinth construction at home.South its base bits depth of water of column foot plinth reaches 50m, and water velocity reaches 2.9m/s, is typical deep water torrent basis.The south column foot plinth construction period is 8 months, created the fastest record of deep water torrent foundation construction, and it is as safe as a house to construct, and construction quality is good.Compare with job practices in the past, this construction technology is saved about 500,000,000 yuan of cost.After the construction of southern column foot plinth is finished, in view of the huge advantage of construction technology of the present invention, when bordering in the south, Ben Qiao in the pier foundation construction, adopted this construction technology again, make depth of water 58m, the pier foundation construction achieves complete success once more during the bordering in the south of water velocity 2.9m/s.
The initiative of this construction technology and using successfully is significant, it has broken through the restriction of old foundation construction mode, for the foundation construction of deep water torrent provides a more advanced new method that safety is safe, the duration short, cost is economized, in the deep water foundation construction, made major contribution.
Description of drawings
Fig. 1 is the composition schematic diagram of facility of the present invention.
Fig. 2 is the floor map of facility of the present invention.
The specific embodiment
See Fig. 1, Fig. 2,
Job practices of the present invention: at first in current, give and establish the position and set up interim, complementary anchorage system, this system is divided into two row by the barge 10 of even numbers, be connected buoyancy aid in aggregates by steel universal rod body crossbeam 1 with longeron 2 between the barge 10, barge 10 updrift sides are provided with station keeping ship 4, station keeping ship 4 usefulness Bower Anchors 9 are fixing, with drawing anchor 3 that whole buoyancy aid is connected on the station keeping ship 4, side and back at whole buoyancy aid are respectively equipped with side anchor 12 and stern anchor 5, and whole buoyancy aid is by drawing anchor 3, side anchor 12 and stern anchor 5 to be fixed on the river surface; Fixing with steelwork 11 in the middle of two row barges 10 can be from floating steel bushing case 7, simultaneously with drawing anchor 8 that steel bushing case 7 is connected on the station keeping ship 4, steel bushing case 7 adopts double-walled to have end steel bushing case to make coxopodite on the coast, to base bits, and the mode of finishing splicing on coxopodite is installed with in place with the coxopodite transportation by driving; Utilize steel bushing case 7 to transfer, install steel casing 6 then, make steel casing 6 pass steel bushing case 7 bottoms and embed in the soil, thereafter by welding, steel bushing case 7, steel casing 6 formed to resist stable self firm structure platform system of water impact, after this, rely on this platform system, under deep water torrent condition, carry out foundation construction comprehensively, foundation construction is finished smoothly.
Construction installation of the present invention: comprise an anchorage system, the formation of anchorage system is: the barge 10 by even numbers is divided into two row, be connected buoyancy aid in aggregates by steel universal rod body crossbeam 1 with longeron 2 between the barge 10, barge 10 updrift sides are provided with station keeping ship 4, station keeping ship 4 usefulness Bower Anchors 9 are fixing, with drawing anchor 3 that whole buoyancy aid is connected on the station keeping ship 4, be respectively equipped with side anchor 12 and stern anchor 5 in the side and the back of whole buoyancy aid, whole buoyancy aid is by drawing anchor 3, side anchor 12 and stern anchor 5 to be fixed on the river surface; With the steelwork 11 fixing steel bushing casees 7 that can float certainly, with drawing anchor 8 that steel bushing case 7 is connected on the station keeping ship 4, steel bushing case 7 adopts double-walled that end steel bushing case is arranged, and with welded and installed steel casing 6 is arranged in the bottom of steel bushing case simultaneously in the middle of two row barges 10.
Claims (10)
1, a kind of method of carrying out foundation construction in deep water torrent position is characterized in that adopting following steps:
Step 1 is given in current and is established the position and set up interim, complementary anchorage system;
Step 2 is installed the fixing steel bushing case that can float certainly in anchorage system;
Step 3 utilizes the steel bushing case to transfer, install the steel casing, makes the steel casing pass steel bushing case bottom and embeds in the soil;
Step 4 by welding, forms steel bushing case, steel casing can to resist stable self firm structure platform system of water impact;
Step 5 relies on self firm structure platform system, under deep water torrent condition, carries out foundation construction comprehensively, and foundation construction is finished smoothly.
2, method of carrying out foundation construction according to claim 1 in deep water torrent position, it is characterized in that setting up in the step 1 method of installing the steel bushing case in anchorage system and the step 2 in this anchorage system is: at first more than one single buoyancy aid is divided into two row, connect buoyancy aid in aggregates by connector between the buoyancy aid, fixed at the periphery of this integral body buoyancy aid with anchoring; Install the fixing steel bushing case that can float certainly again in the centre of two row buoyancy aids.
3, method of carrying out foundation construction according to claim 1 and 2 in deep water torrent position, it is characterized in that the steel bushing case adopts double-walled to have end steel bushing case to make coxopodite on the coast, to base bits, and the mode of finishing splicing on coxopodite is installed with in place with the coxopodite transportation by driving.
4, method of carrying out foundation construction in deep water torrent position according to claim 1 and 2 is characterized in that buoyancy aid is barge or casing, is provided with station keeping ship in the buoyancy aid updrift side.
5, method of carrying out foundation construction in deep water torrent position according to claim 2 is characterized in that connector adopts steel universal rod body or steel girder spare.
6, a kind of facility that carries out foundation construction in deep water torrent position is characterized in that comprising an anchorage system, installs to be fixed with and can with welded and installed the steel casing to be arranged in the bottom of steel bushing case from floating steel bushing case in anchorage system.
7, the facility that carries out foundation construction in deep water torrent position according to claim 6, the formation that it is characterized in that anchorage system is: be divided into two row by more than one single buoyancy aid, connect buoyancy aid in aggregates by connector between the buoyancy aid, periphery at this integral body buoyancy aid is fixed with anchoring, installs the fixing steel bushing case that can float certainly in the centre of two row buoyancy aids.
8, the facility that carries out foundation construction in deep water torrent position according to claim 7 is characterized in that buoyancy aid is barge or casing, is provided with station keeping ship in the buoyancy aid updrift side.
9, the facility that carries out foundation construction in deep water torrent position according to claim 7 is characterized in that connector adopts steel universal rod body or steel girder spare.
10, the facility that carries out foundation construction in deep water torrent position according to claim 7 is characterized in that the steel bushing case adopts double-walled that end steel bushing case is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610031328 CN1818225A (en) | 2006-03-10 | 2006-03-10 | Base construction and its facilities at rapid stream of deep water |
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| CN 200610031328 CN1818225A (en) | 2006-03-10 | 2006-03-10 | Base construction and its facilities at rapid stream of deep water |
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| CN1818225A true CN1818225A (en) | 2006-08-16 |
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| CN 200610031328 Pending CN1818225A (en) | 2006-03-10 | 2006-03-10 | Base construction and its facilities at rapid stream of deep water |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101775812B (en) * | 2010-01-21 | 2011-07-13 | 道达(上海)风电投资有限公司 | Built-in buoy towing barrel-shaped foundation sinking method |
| CN102383436A (en) * | 2011-09-05 | 2012-03-21 | 中铁大桥局股份有限公司 | Accurate positioning construction method of double-wall steel cofferdam |
| CN102966102A (en) * | 2012-12-13 | 2013-03-13 | 中铁上海工程局有限公司 | Fixing structure for steel casing on steep bare rock without covering layer in deep water and rapids |
| CN103741657A (en) * | 2013-12-27 | 2014-04-23 | 中铁大桥局集团第一工程有限公司 | Construction method of large multifunctional over-water construction platform |
| CN104018522A (en) * | 2014-06-16 | 2014-09-03 | 中国华冶科工集团有限公司 | Underwater construction method for separation transformation of distribution well |
| CN104196000A (en) * | 2014-08-01 | 2014-12-10 | 中国铁建大桥工程局集团有限公司 | Rapid construction method for strong-stormy-wave deep sea underwater connection system |
| CN104480922A (en) * | 2014-11-05 | 2015-04-01 | 广州市恒盛建设工程有限公司 | Space truss formwork supporting system and construction method thereof |
| CN106049468A (en) * | 2016-07-26 | 2016-10-26 | 中国葛洲坝集团第五工程有限公司 | Assembling splicing device and method of deepwater steel casing |
| CN110004961A (en) * | 2019-05-17 | 2019-07-12 | 中交一航局第二工程有限公司 | Casing construction system and its construction method |
-
2006
- 2006-03-10 CN CN 200610031328 patent/CN1818225A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101775812B (en) * | 2010-01-21 | 2011-07-13 | 道达(上海)风电投资有限公司 | Built-in buoy towing barrel-shaped foundation sinking method |
| CN102383436A (en) * | 2011-09-05 | 2012-03-21 | 中铁大桥局股份有限公司 | Accurate positioning construction method of double-wall steel cofferdam |
| CN102383436B (en) * | 2011-09-05 | 2014-03-19 | 中铁大桥局股份有限公司 | Accurate positioning construction method of double-wall steel cofferdam |
| CN102966102A (en) * | 2012-12-13 | 2013-03-13 | 中铁上海工程局有限公司 | Fixing structure for steel casing on steep bare rock without covering layer in deep water and rapids |
| CN103741657A (en) * | 2013-12-27 | 2014-04-23 | 中铁大桥局集团第一工程有限公司 | Construction method of large multifunctional over-water construction platform |
| CN104018522B (en) * | 2014-06-16 | 2016-01-06 | 中国华冶科工集团有限公司 | Separate the subaqueous construction method of transformation distribution well |
| CN104018522A (en) * | 2014-06-16 | 2014-09-03 | 中国华冶科工集团有限公司 | Underwater construction method for separation transformation of distribution well |
| CN104196000A (en) * | 2014-08-01 | 2014-12-10 | 中国铁建大桥工程局集团有限公司 | Rapid construction method for strong-stormy-wave deep sea underwater connection system |
| CN104480922A (en) * | 2014-11-05 | 2015-04-01 | 广州市恒盛建设工程有限公司 | Space truss formwork supporting system and construction method thereof |
| CN104480922B (en) * | 2014-11-05 | 2016-01-20 | 广州市恒盛建设工程有限公司 | Space truss formwork system and construction method thereof |
| CN106049468A (en) * | 2016-07-26 | 2016-10-26 | 中国葛洲坝集团第五工程有限公司 | Assembling splicing device and method of deepwater steel casing |
| CN106049468B (en) * | 2016-07-26 | 2018-06-29 | 中国葛洲坝集团第五工程有限公司 | Deep water steel pile casting match connecto and method |
| CN110004961A (en) * | 2019-05-17 | 2019-07-12 | 中交一航局第二工程有限公司 | Casing construction system and its construction method |
| CN110004961B (en) * | 2019-05-17 | 2024-05-10 | 中交一航局第二工程有限公司 | Box jacket construction system and construction method thereof |
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