CN106120786A - A kind of overlength cold bending steel sheet piling construction technology - Google Patents
A kind of overlength cold bending steel sheet piling construction technology Download PDFInfo
- Publication number
- CN106120786A CN106120786A CN201610503432.3A CN201610503432A CN106120786A CN 106120786 A CN106120786 A CN 106120786A CN 201610503432 A CN201610503432 A CN 201610503432A CN 106120786 A CN106120786 A CN 106120786A
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- steel sheet
- pile
- sheet pile
- steel
- cold bending
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/04—Guide devices; Guide frames
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/26—Placing by using several means simultaneously
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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)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The present invention is a kind of overlength cold bending steel sheet piling construction technology, concretely comprises the following steps: first uses long screw auger to loosen the soil steel sheet pile pile sinking position processs according to position, hole, then installs stopping means, by the injection direction of I-steel control steel sheet pile；And overlength cold bending steel sheet piling is welded with steel plate be fixed.Using 80t crawler crane, sling by root steel sheet pile by vibration hammer, make steel sheet pile become plumbness, shift to placement location, Vibration on Start-up hammer pile sinking, startup high-pressure hydraulic pump carries out bath and carries out pile sinking simultaneously.The present invention utilize long screw auger loosen the soil coordinate water jetting arrangement and method for construction, efficiently solve the yielding distortion of cold bending steel sheet piling, pile sinking difficulty etc. problem, obtain extraordinary effect.Simultaneously as the requirement to vibration hammer that reduces of penetrating resistance reduces, reduce construction cost, improve work efficiency.
Description
Technical field
The present invention relates to cold bending steel sheet piling construction field, particularly relate to a kind of overlength cold bending steel sheet piling construction technology.
Background technology
General repairing dock coffering mainly includes cofferdam construction platform and double steel sheet-pile cofferdam two parts.Steel sheet pile encloses
Weir is made up of outer campshed, interior campshed and tabula stake, and these outer campsheds, interior campshed all use cold bending steel sheet piling.Cold bending steel sheet piling is adopted
With relatively thin sheet material (usual thickness is 8mm～14mm), process with cold roll forming unit.Its production cost is relatively low and price
Cheaply, scale controls the most more flexible.Cross section most economical, rational can be chosen, it is achieved in engineering design according to engineering practice
Optimization, the same performance hot rolled steel plate pile section material saving 10-15% of ratio, greatly reduce construction cost.But processed by clod wash
Capacity of equipment restricts, and can only produce the product that steel grade intensity rank is low, thickness is thiner.Along with the increase of steel sheet pile length, cold
Curved steel sheet pile construction difficulty is the biggest.
Summary of the invention
Present invention seek to address that the deficiencies in the prior art, and a kind of overlength cold bending steel sheet piling construction technology is provided.
The present invention for achieving the above object, by the following technical solutions:
A kind of overlength cold bending steel sheet piling construction technology, concretely comprises the following steps:
(1) long screw auger loosens the soil:
First arranging position, hole of loosening the soil, arrangement of boring holes is at steel sheet pile axis direction, and the center distance of position, hole is 1m；The longest spiral shell
Rotary drill machine is in place, uses GPS to position, and makes drilling axis and steel sheet pile dead in line, drilling rod perpendicular alignmnet Zhuan Wei center, bores
After hole starts, move down drilling rod to drill bit when contacting to earth, start motor and creep into, the slowest after fast, check the deviation of boring also simultaneously
Correct in time, stop when drilling depth reaches steel sheet pile embedded depth creeping into, at the uniform velocity extract, successively according to the Kong Weijin arranged
Capable operation of loosening the soil；
(2) stopping means is installed:
Arranging leading truck in the both sides of steel sheet pile axis direction, leading truck includes support column, and support column is welded with guiding
Beam and bracket, constitute single-layer double-side guide frame；Using I-steel to do spacing, I-steel welds with the guide beam of leading truck, greatly
Put 2cm outside little limit more every than guide beam, controlled the injection direction of steel sheet pile by I-steel；
(3) steel sheet pile processes:
It is welded with a steel plate every 5m inside steel sheet pile；Between welding steel and steel sheet pile, add 3 diameters of band simultaneously
Telescopic joint mode is used to link together for the outlet pipe of 5.0cm, outlet pipe and pile body, the every 3 meters of layouts of sleeve pipe one；To go out
Water pipe is connected with high-pressure hydraulic pump by nylon water band；
(4) pile sinking:
Use 80t crawler crane, by vibration hammer, root steel sheet pile is sling, make steel sheet pile become plumbness, shift to assign position
Put, Vibration on Start-up hammer pile sinking, start high-pressure hydraulic pump simultaneously and wash by water, if there is pile sinking difficulty in pile driving process, by stake
Upwards pull up 0.3m, fall the most again, be so repeated 5 times；During inserted to play, use warp in two mutually perpendicular directions
Latitude instrument is observed, it is ensured that steel sheet pile is just being inserted, inserted directly；Steel sheet pile is beaten and is stopped pile sinking to distance designed elevation 30cm, then enters
Row secondary strike-on, to designed elevation, completes the pile sinking operation of steel sheet pile, and water pipe is extracted recycling after completing by steel sheet pile pile sinking；
Carry out the pile sinking operation of next root steel sheet pile in this manner, until completing the pile sinking of all steel sheet piles.
Described support column uses the spiral steel pipe pile of Φ 430 × 8mm, and longitudinal pitch is 6m, and embedded depth is 5m；Institute
State guide beam and use I-shaped steel plate；The described bracket height away from mud face is 1.5m；Between described guide beam and described bracket
Using fillet weld, weld width is contact length.
The pile frame height of described long-spiral drilling machine is 40m, and bore diameter is 0.8m.
Described water under high pressure pump lift is 60m, and discharge pressure is 1.5Mpa.
The size of the described steel plate being welded with inside steel sheet pile is 80mm × 80mm × 6mm.
The invention has the beneficial effects as follows: the present invention utilize long screw auger loosen the soil coordinate water jetting arrangement and method for construction, efficient solution
The problems such as the yielding distortion of cold bending steel sheet piling of having determined, pile sinking difficulty, obtain extraordinary effect.Simultaneously as penetrating resistance
Reduce the requirement to vibration hammer to reduce, reduce construction cost, improve work efficiency.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described:
A kind of overlength cold bending steel sheet piling construction technology, concretely comprises the following steps:
(1) long screw auger loosens the soil:
First arranging position, hole of loosening the soil, arrangement of boring holes is at steel sheet pile axis direction, and the center distance of position, hole is 1m；The longest spiral shell
Rotary drill machine is in place, uses GPS to position, and makes drilling axis and steel sheet pile dead in line, drilling rod perpendicular alignmnet Zhuan Wei center, bores
After hole starts, move down drilling rod to drill bit when contacting to earth, start motor and creep into, the slowest after fast, check the deviation of boring also simultaneously
Correct in time, stop when drilling depth reaches steel sheet pile embedded depth creeping into, at the uniform velocity extract, successively according to the Kong Weijin arranged
Capable operation of loosening the soil；
(2) stopping means is installed:
Arranging leading truck in the both sides of steel sheet pile axis direction, leading truck includes support column, and support column is welded with guiding
Beam and bracket, constitute single-layer double-side guide frame；Using I-steel to do spacing, I-steel welds with the guide beam of leading truck, greatly
Put 2cm outside little limit more every than guide beam, controlled the injection direction of steel sheet pile by I-steel；
(3) steel sheet pile processes:
It is welded with a steel plate every 5m inside steel sheet pile；Between welding steel and steel sheet pile, add 3 diameters of band simultaneously
Telescopic joint mode is used to link together for the outlet pipe of 5.0cm, outlet pipe and pile body, the every 3 meters of layouts of sleeve pipe one；To go out
Water pipe is connected with high-pressure hydraulic pump by nylon water band；
(4) pile sinking:
Use 80t crawler crane, by vibration hammer, root steel sheet pile is sling, make steel sheet pile become plumbness, shift to assign position
Put, Vibration on Start-up hammer pile sinking, start high-pressure hydraulic pump simultaneously and wash by water, if there is pile sinking difficulty in pile driving process, by stake
Upwards pull up 0.3m, fall the most again, be so repeated 5 times；During inserted to play, use warp in two mutually perpendicular directions
Latitude instrument is observed, it is ensured that steel sheet pile is just being inserted, inserted directly；Steel sheet pile is beaten and is stopped pile sinking to distance designed elevation 30cm, then enters
Row secondary strike-on, to designed elevation, completes the pile sinking operation of steel sheet pile, and water pipe is extracted recycling after completing by steel sheet pile pile sinking；
Carry out the pile sinking operation of next root steel sheet pile in this manner, until completing the pile sinking of all steel sheet piles.
Described support column uses the spiral steel pipe pile of Φ 430 × 8mm, and longitudinal pitch is 6m, and embedded depth is 5m；Institute
State guide beam and use I-shaped steel plate；The described bracket height away from mud face is 1.5m；Between described guide beam and described bracket
Using fillet weld, weld width is contact length.
The pile frame height of described long-spiral drilling machine is 40m, and bore diameter is 0.8m.
Described water under high pressure pump lift is 60m, and discharge pressure is 1.5Mpa.
The size of the described steel plate being welded with inside steel sheet pile is 80mm × 80mm × 6mm.
Utilize long spire loosen the soil coordinate water jetting construction technology effectively solve the yielding distortion of cold bending steel sheet piling, pile sinking be stranded
The problems such as difficulty, obtain extraordinary effect.No longer there is torsional deformation in steel sheet pile, and pile sinking is very well, uses this construction technology
Steel sheet pile more than 95% reach designed elevation, not up to the steel sheet pile of absolute altitude also design tolerance in the range of.
Above the present invention is exemplarily described, it is clear that the present invention implements and is not subject to the restrictions described above,
As long as have employed method design and the various improvement that carry out of technical scheme of the present invention, or the most improved directly apply to other
Close, all within protection scope of the present invention.
Claims (5)
1. an overlength cold bending steel sheet piling construction technology, it is characterised in that concretely comprise the following steps:
(1) long screw auger loosens the soil:
First arranging position, hole of loosening the soil, arrangement of boring holes is at steel sheet pile axis direction, and the center distance of position, hole is 1m；Then long screw auger
Machine is in place, uses GPS to position, makes drilling axis and steel sheet pile dead in line, and drilling rod perpendicular alignmnet Zhuan Wei center, boring is opened
After beginning, move down drilling rod to drill bit when contacting to earth, start motor and creep into, the slowest after fast, check the deviation in time of boring simultaneously
Correct, stop when drilling depth reaches steel sheet pile embedded depth creeping into, at the uniform velocity extract, carry out pine according to the position, hole arranged successively
Soil operation；
(2) stopping means is installed:
Arranging leading truck in the both sides of steel sheet pile axis direction, leading truck includes support column, support column is welded with guide beam and
Bracket, constitutes single-layer double-side guide frame；Using I-steel to do spacing, I-steel welds with the guide beam of leading truck, size ratio
Guide beam puts 2cm outside every limit, is controlled the injection direction of steel sheet pile by I-steel；
(3) steel sheet pile processes:
It is welded with a steel plate every 5m inside steel sheet pile；Between welding steel and steel sheet pile, add 3, band a diameter of simultaneously
The outlet pipe of 5.0cm, outlet pipe and pile body use telescopic joint mode to link together, the every 3 meters of layouts of sleeve pipe one；By water outlet
Pipe is connected with high-pressure hydraulic pump by nylon water band；
(4) pile sinking:
Use 80t crawler crane, by vibration hammer, root steel sheet pile is sling, make steel sheet pile become plumbness, shift to placement location, open
Dynamic vibration hammer pile sinking, starts high-pressure hydraulic pump simultaneously and washes by water, if there is pile sinking difficulty in pile driving process, stake upwards pulled out
Play 0.3m, fall the most again, be so repeated 5 times；During inserted to play, theodolite is used to enter in two mutually perpendicular directions
Row observation, it is ensured that steel sheet pile is just being inserted, inserted directly；Steel sheet pile is beaten and is stopped pile sinking to distance designed elevation 30cm, then carries out secondary
Strike-on, to designed elevation, completes the pile sinking operation of steel sheet pile, and water pipe is extracted recycling after completing by steel sheet pile pile sinking；According to this
The mode of kind carries out the pile sinking operation of next root steel sheet pile, until completing the pile sinking of all steel sheet piles.
A kind of overlength cold bending steel sheet piling construction technology the most according to claim 1, it is characterised in that described support column uses
Be the spiral steel pipe pile of Φ 430 × 8mm, longitudinal pitch is 6m, and embedded depth is 5m；Described guide beam uses I-steel
Plate；The described bracket height away from mud face is 1.5m；Using fillet weld between described guide beam and described bracket, weld width is for connecing
Touch length.
A kind of overlength cold bending steel sheet piling construction technology the most according to claim 2, it is characterised in that described long-spiral drilling machine
Pile frame height be 40m, bore diameter is 0.8m.
A kind of overlength cold bending steel sheet piling construction technology the most according to claim 3, it is characterised in that described high-pressure hydraulic pump
Lift is 60m, and discharge pressure is 1.5Mpa.
A kind of overlength cold bending steel sheet piling construction technology the most according to claim 4, it is characterised in that add inside steel sheet pile
The size of the described steel plate of weldering is 80mm × 80mm × 6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610503432.3A CN106120786A (en) | 2016-06-30 | 2016-06-30 | A kind of overlength cold bending steel sheet piling construction technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610503432.3A CN106120786A (en) | 2016-06-30 | 2016-06-30 | A kind of overlength cold bending steel sheet piling construction technology |
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| Publication Number | Publication Date |
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| CN106120786A true CN106120786A (en) | 2016-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610503432.3A Pending CN106120786A (en) | 2016-06-30 | 2016-06-30 | A kind of overlength cold bending steel sheet piling construction technology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109113082A (en) * | 2018-08-08 | 2019-01-01 | 中交第三航务工程局有限公司南京分公司 | One kind water knife in hardpan assists sinking steel sheet pile technique |
| US20200385948A1 (en) * | 2018-06-18 | 2020-12-10 | Bauer Spezialtiefbau Gmbh | Construction device and method for operating a construction device |
| CN113638401A (en) * | 2021-08-27 | 2021-11-12 | 华汇工程设计集团股份有限公司 | Construction method of ultra-long linear HUI combined steel sheet pile |
-
2016
- 2016-06-30 CN CN201610503432.3A patent/CN106120786A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 杨加录轩: "《https://wenku.baidu.com/view/2370812d33687e21af45a9af.html》", 27 November 2014 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200385948A1 (en) * | 2018-06-18 | 2020-12-10 | Bauer Spezialtiefbau Gmbh | Construction device and method for operating a construction device |
| US11619021B2 (en) * | 2018-06-18 | 2023-04-04 | Bauer Spezialtiefbau Gmbh | Construction device and method for operating a construction device |
| CN109113082A (en) * | 2018-08-08 | 2019-01-01 | 中交第三航务工程局有限公司南京分公司 | One kind water knife in hardpan assists sinking steel sheet pile technique |
| CN113638401A (en) * | 2021-08-27 | 2021-11-12 | 华汇工程设计集团股份有限公司 | Construction method of ultra-long linear HUI combined steel sheet pile |
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Application publication date: 20161116 |
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| RJ01 | Rejection of invention patent application after publication |