CN110184995A - The pile sinking process of major diameter fore shaft steel-pipe pile - Google Patents
The pile sinking process of major diameter fore shaft steel-pipe pile Download PDFInfo
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- CN110184995A CN110184995A CN201910475302.7A CN201910475302A CN110184995A CN 110184995 A CN110184995 A CN 110184995A CN 201910475302 A CN201910475302 A CN 201910475302A CN 110184995 A CN110184995 A CN 110184995A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims description 11
- 230000004308 accommodation Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 241001494479 Pecora Species 0.000 abstract description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
- E02B3/068—Landing stages for vessels
-
- 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
- E02D13/06—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers for observation while placing
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
- E02D5/08—Locking forms; Edge joints; Pile crossings; Branch pieces
-
- 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
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
- E02D7/12—Drivers with explosion chambers
- E02D7/125—Diesel drivers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses a kind of pile sinking process of major diameter fore shaft steel-pipe pile, major diameter fore shaft steel-pipe pile includes the steel pipe row of piles being connected in sequence by more steel-pipe piles, connects into overall structure by locking mechanism respectively between the steel-pipe pile adjacent two-by-two of steel pipe row of piles.1) pile sinking process is the following steps are included: first strike steel-pipe pile group and detect stake position, 2) first strike completes the stairstepping pile sinking of one group of more steel-pipe pile, and 3) alternate the final pile sinking that strike-on completes one group of more steel-pipe pile.Fore shaft steel-pipe pile can bear very big moment of flexure as the front wall of sheet-pile wharf, improve the reliability of deep water sheep pile wharf structure.Pile sinking work efficiency is increased to 5~7 piles/day, it is ensured that the duration and greatly reduces construction cost, the overall economic efficiency of construction is significantly improved.Present invention can ensure that the planar central location error of major diameter fore shaft steel-pipe pile has captured the difficult point of pile sinking precision controlling within 75mm.
Description
Technical field
The present invention relates to a kind of harbour front wall, in particular to a kind of more rows of locks of connection as sheet-pile wharf front wall
Mouth steel-pipe pile, belongs to port engineering technical field.
Background technique
Fore shaft steel-pipe pile is connected in a row using more steel-pipe piles each other by the locking mechanism of two sides, is widely used in cofferdam and is applied
In work, the diameter of steel-pipe pile is generally less than 800mm, needs to add leading truck to control steel-pipe pile center error and verticality
Error.Before as harbour for major diameter (Φ >=800mm) fore shaft steel-pipe pile of foundation of wall, such as it is oriented to using freely-supported movable type
When frame assists pile driving barge control pile sinking, the huge structure of freely-supported movable type leading truck, a certain group of 8 diameters are the big straight of 1500mm
The length × width × height of leading truck used in diameter fore shaft steel-pipe pile is 13500mm × 2200mm × 3000mm, one end of leading truck
It also needs to support on the water surface by two auxiliary steel-pipe piles.Although the quality of pile sinking can be improved in this leading truck, but it is manufactured
Long, at high cost with installation period, after completing one group of major diameter fore shaft steel-pipe pile pile sinking, leading truck, which must shift, can just continue
The piling construction of next group of major diameter fore shaft steel-pipe pile, it is time-consuming and laborious, construction cost is high, low efficiency, seriously affect applying for harbour
The work period.Another referential construction method can also be used, as installation rides the auxiliary pile driving barge control of staged leading truck
Pile sinking, though a small amount of construction cost can be reduced, since every pile is still needed to according to leading truck, construction efficiency is also low, can not meet just
Normal construction speed requirement.
Summary of the invention
The object of the present invention is to provide a kind of pile sinking process of major diameter fore shaft steel-pipe pile, improve the construction efficiency of pile sinking,
Reduce construction cost.
The present invention is achieved by the following technical programs:
A kind of pile sinking process of major diameter fore shaft steel-pipe pile, the major diameter fore shaft steel-pipe pile include successively being connected by more steel-pipe piles
Steel pipe row of piles made of connecing is connected by locking mechanism between the steel-pipe pile adjacent two-by-two of the steel pipe row of piles integral respectively
Structure, the locking mechanism include locking notch pipe and fore shaft plate, and the locking notch pipe and fore shaft plate are separately fixed at the two sides of steel-pipe pile,
It is provided with axial notch on the outside of locking notch pipe, T shape of the fore shaft plate in body of one who has dropped dead by the roadside, and locking notch pipe axis, steel-pipe pile axis and fore shaft plate center
Face is in the same plane；The T forming head portion of fore shaft plate body of one who has dropped dead by the roadside injects in the axial notch of locking notch pipe adjacent thereto, makes two steel pipes
Stake connects side by side；Pile sinking process the following steps are included:
1) preparation before driving piles
Pile driving barge is moved to the harbour side of storage steel-pipe pile, steel-pipe pile is then hoisted to piling by the anchor hawser of tense-lax pile driving barge
Stake has been completed on ship, and pile driving barge is then moved into pile driving position；
2) first strike steel-pipe pile group and stake position is detected
2.1) pile sinking of first steel-pipe pile
It is that one group of progress is just driven piles with more steel-pipe piles, according to the deviation of steel-pipe pile rule, every steel-pipe pile is reserved when positioning
Lower stake after offset；Start the diesel hammer on pile driving barge, first strike is located at first steel-pipe pile in pile driving barge leading truck Longkou；Work as bavin
When in oil hammer hammering height to pile driving barge leading truck Longkou, Longkou frame is overturn, starts continuous hammering steel-pipe pile to than designed elevation
High 0 ~ 8m；
2.2) the Convergence method detection of steel-pipe pile stake position
Two total stations are set up in both direction on the coast, two total stations and the intersection of steel-pipe pile position are in 90 °, at first
After the pile top of steel pipe pile bottom enters mud in seabed, hung down with the planar central location error of two total station observation steel-pipe piles and stake position
Straight degree error；Repetition measurement stake position after hammering every time, if error is larger, lifting steel-pipe pile relocates again, it is ensured that the steel pipe of pile sinking
Stake is located on plan stake position.
2.3) pitching pile of second steel-pipe pile
Elastic anchor hawser finely tunes the accommodation of pile driving barge, and the stake position of second steel-pipe pile is made to reach designated position；By second steel-pipe pile
Locking mechanism and first steel-pipe pile locking mechanism grafting each other；Start the diesel hammer on pile driving barge, repeats step 2.1)
With the pile sinking and position detection for 2.2), completing second steel-pipe pile；
3) first strike completes the stairstepping pile sinking of one group of more steel-pipe pile
Step 2.1)~2.3 are repeated several times), it is sequentially completed the first strike and the detection of stake position of one group of more steel-pipe pile, makes this group of steel pipe
The top surface of stake forms stairstepping, i.e., after the steel-pipe pile top surface beaten higher than the steel-pipe pile top surface first beaten；The steel pipe beaten after detecting
When stake stake bit plane center error or the error of perpendicularity are less than specified value, the steel-pipe pile top surface beaten afterwards and previous steel-pipe pile
Top surface flushes；When the steel-pipe pile stake bit plane center error or the error of perpendicularity beaten after detecting are close to specified value, i.e.,
Stop the first strike of the root steel-pipe pile, and the stake shape after making one group of more steel-pipe pile pile sinking gradually forms the ladder higher than designed elevation
Shape；
4) the final pile sinking that strike-on completes one group of more steel-pipe pile is alternated
It is carried out alternately in the way of strike-on steel-pipe pile by being spaced a steel-pipe pile, using diesel hammer by the top of one group of more steel-pipe pile
The designed elevation of steel-pipe pile is got in face one by one, during the hammering of diesel hammer, is repeated step 2.2), is detected steel-pipe pile stake at any time
Position.
The purpose of the present invention can also be further realized by following technical measures.
Further, in step 2.1), being equipped on one side for pile driving barge leading truck limits steel-pipe pile side locking notch pipe
One group two mutual turning rolls at right angle, in favor of control piling during stake position deflection.
Further, when need to reduce the centers of two adjacent steel-pipe piles away from when, in the T shape rostral anterior of fore shaft plate, along lock
Oralia longitudinal gap is welded with muti-piece front limited block；When need to increase the centers of two adjacent steel-pipe piles away from when, in the rear side of fore shaft plate
On web, along fore shaft plate longitudinal gap be welded with muti-piece after limited block.
Further, it in step 2.2), when detecting that the stake position error of perpendicularity is more than specified value, is led using pile driving barge
Mode is leaned forward or swung back to reduce the stake position error of perpendicularity to frame to the opposite direction of the stake position error of perpendicularity, be allowed to meet rule
It is fixed；When detecting that a bit plane center error is more than specified value, tenses or loosen hawser to reduce stake position error, be allowed to
Meet regulation.
Major diameter fore shaft steel-pipe pile of the invention is connected by locking mechanism respectively between steel-pipe pile adjacent two-by-two
Integrated steel pipe row of piles, intensity with higher, the front wall as sheet-pile wharf can bear very big moment of flexure, improve depth
The reliability of water sheep pile wharf structure.Pile sinking process of the invention is adopted without the use of huge structure and the leading truck of displacement difficulty
With first strike step type pile sinking-alternating strike-on final molding pile sinking process and detect stake position Convergence method so that pile sinking work efficiency from
Existing average 2 piles/day is increased to 5~7 piles/day, greatly reduces construction cost, construction cost is reduced than existing cost
72.7%, the overall economic efficiency of construction is significantly improved also ensures the duration.Present invention can ensure that major diameter fore shaft steel pipe
The planar central location error of stake has captured the difficult point of pile sinking precision controlling within 75mm.
The advantages and features of the present invention will be illustrated and explained by the non-limitative illustration of preferred embodiment below,
These embodiments only provide as an example referring to attached drawing.
Detailed description of the invention
Fig. 1 is the floor plan of pile sinking of the present invention；
Fig. 2 is I enlarged view of Fig. 1；
Fig. 3 is the A of Fig. 1 to enlarged view；
Fig. 4 is the schematic diagram of the Convergence method detection of steel-pipe pile stake position.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
As shown in FIG. 1 to 3, the present embodiment is 75000 tonnes of container handling sheet-pile wharfs, long 220 m in berth, code
Wall pile uses diameter for Φ 1500 and with the steel-pipe pile 1 of locking mechanism 2 before head, amounts to 140.Single pile length is 33 m
~33.5m, weight reach 25.7t~28.6t, 18 mm of wall thickness~24mm, -31.5 m of stake bottom absolute altitude~-32m.Design wharf apron
Mud face absolute altitude -10m, adjacent pile center's spacing 1.68m, preceding foundation of wall by passing through fore shaft between steel-pipe pile 1 adjacent two-by-two respectively
The overall structure that mechanism 2 connects into.
As shown in Fig. 2, locking mechanism 2 includes locking notch pipe 21 and fore shaft plate 22, locking notch pipe 21 and fore shaft plate 22 are respectively welded
The two sides of steel-pipe pile 1 are fixed on, are provided with axial notch 211 on the outside of locking notch pipe 21, T shape of the fore shaft plate 22 in body of one who has dropped dead by the roadside, and locking notch pipe
21 axis, 1 axis of steel-pipe pile and 22 median plane of fore shaft plate are in the same plane.The T forming head portion that fore shaft plate 22 is lain down injects and it
In the axial notch 211 of adjacent locking notch pipe 21, connect two steel-pipe piles 1 side by side.Locking notch pipe 21 and the connection of fore shaft plate 22 are fixed
Rubble filling is poured into behind position.
As shown in figures 1 and 3, pile sinking process of the invention the following steps are included:
1) preparation before driving piles
Pile driving barge 10 is moved to the harbour side of storage steel-pipe pile 1, then hangs steel-pipe pile 1 by the anchor hawser 102 of tense-lax pile driving barge 10
It is transported on pile driving barge 10 and has completed stake, then pile driving barge 10 moves to pile driving position.
2) first strike steel-pipe pile group and stake position is detected
2.1) pile sinking of first steel-pipe pile 1
It is that one group of progress is just driven piles with 8 steel-pipe piles 1, after every pile positioning should reserve certain offset according to pile deviation rule
Lower stake, starts the diesel hammer on pile driving barge 10, and first strike is located at first steel-pipe pile 1 in 101 Longkou of pile driving barge leading truck；Work as diesel oil
When in hammer hammering height to 101 Longkou of pile driving barge leading truck, Longkou frame 101 is overturn, starts continuous hammering steel-pipe pile to than design
High 0 ~ the 8m of absolute altitude.
2.2) the Convergence method detection of 1 position of steel-pipe pile
As shown in figure 4, two total stations 20, the friendship of two total stations 20 and 1 position of steel-pipe pile are set up in both direction on the coast
Line is in 90 °, and distinguishes intersection at an acute angle with datum mark 201.After the pile top of first 1 bottom of steel-pipe pile enters mud in seabed, with two
The stake position center error and the stake position error of perpendicularity of the observation steel-pipe pile 1 of platform total station 20.Repetition measurement stake position after hammering every time, such as
Error is larger, and lifting steel-pipe pile 1 relocates again, it is ensured that the steel-pipe pile 1 of pile sinking is located on plan stake position.
2.3) pitching pile of second steel-pipe pile 1
Elastic anchor hawser 102 finely tunes the accommodation of pile driving barge 10, and the stake position of second steel-pipe pile 10 is made to reach designated position.By second
The grafting each other of locking mechanism 2 of the locking mechanism 2 of root steel-pipe pile 1 and first steel-pipe pile 1.Start the diesel oil on pile driving barge 10
Hammer repeats step 2.1) with 2.2), completes the pile sinking and position detection of second steel-pipe pile 1.
3) first strike completes the stairstepping pile sinking of one group of more steel-pipe pile
Step 2.1)~2.3 are repeated several times), it is sequentially completed the first strike and the detection of stake position of one group of more steel-pipe pile, makes this group of steel pipe
The top surface of stake forms stairstepping as shown in Figure 3, i.e., after 1 top surface of steel-pipe pile beaten higher than the steel-pipe pile top surface first beaten.Work as detection
When 1 bit plane center error of the steel-pipe pile beaten after out or the error of perpendicularity are less than specified value, 1 top surface of steel-pipe pile beaten afterwards
It can be flushed with previous 1 top surface of steel-pipe pile；1 bit plane center error of the steel-pipe pile beaten after detecting or verticality are missed
When the nearly specified value of differential, that is, the first strike for the root steel-pipe pile 1 that stops gradually forms one group of more steel-pipe pile 1 higher than designed elevation
Stairstepping.
4) the final pile sinking that strike-on completes one group of more steel-pipe pile 1 is alternated
It is carried out alternately in the way of strike-on steel-pipe pile 1 by being spaced a steel-pipe pile 1, using diesel hammer by one group of more steel-pipe pile 1
Top surface get to the designed elevation of steel-pipe pile 1 one by one, during the hammering of diesel hammer, repeat step 2.2), detect steel at any time
1 position of tubular pole.
As shown in Fig. 2, pile driving barge leading truck 101 is equipped with to 1 side locking notch pipe of steel-pipe pile on one side in step 2.1)
One group two mutual turning rolls 103 at right angle of 21 limits, in favor of the stake position deflection during control piling.
In step 2.1), when need to reduce the centers of two adjacent steel-pipe piles 1 away from when, before the T forming head portion of fore shaft plate 22
Side is welded with muti-piece front limited block 23 along 22 longitudinal gap of fore shaft plate；When need to increase the centers of two adjacent steel-pipe piles 1 away from when,
In the rear web 221 of fore shaft plate 22, along 22 longitudinal gap of fore shaft plate be welded with muti-piece after limited block 24.The front limited block 23 added
It can be adjusted towards the opposite direction of error with rear limited block 24, regulating effect highly significant can weld in advance before pile sinking,
It can also be welded during the pile driving process, it is smaller on the influence of pile sinking efficiency, the axial notch 211 of locking notch pipe 21 will not be destroyed.
In step 2.2), when detect the stake position error of perpendicularity be more than specified value when, using pile driving barge leading truck 101 to
The opposite direction of the stake position error of perpendicularity leans forward or swings back mode to reduce the stake position error of perpendicularity, is allowed to meet regulation.Work as inspection
When measuring center error more than specified value, tenses or loosen hawser to reduce stake position error, be allowed to meet regulation.
In addition to the implementation, the present invention can also have other embodiments, all to use equivalent substitution or equivalent transformation shape
At technical solution, be all fallen within the protection domain of application claims.
Claims (4)
1. a kind of pile sinking process of major diameter fore shaft steel-pipe pile, the major diameter fore shaft steel-pipe pile include by more steel-pipe piles successively
The steel pipe row of piles being formed by connecting is connected by locking mechanism between the steel-pipe pile adjacent two-by-two of the steel pipe row of piles whole respectively
Body structure, the locking mechanism include locking notch pipe and fore shaft plate, and the locking notch pipe and fore shaft plate are separately fixed at the two of steel-pipe pile
Side, locking notch pipe outside are provided with axial notch, and fore shaft plate is in the T shape of body of one who has dropped dead by the roadside, and in locking notch pipe axis, steel-pipe pile axis and fore shaft plate
Heart face is in the same plane；The T forming head portion of fore shaft plate body of one who has dropped dead by the roadside injects in the axial notch of locking notch pipe adjacent thereto, makes two steel
Tubular pole connects side by side；It is characterized in that, pile sinking process the following steps are included:
1) preparation before driving piles
Pile driving barge is moved to the harbour side of storage steel-pipe pile, steel-pipe pile is then hoisted to piling by the anchor hawser of tense-lax pile driving barge
Stake has been completed on ship, and pile driving barge is then moved into pile driving position；
2) first strike steel-pipe pile group and stake position is detected
2.1) pile sinking of first steel-pipe pile
It is that one group of progress is just driven piles with more steel-pipe piles, according to the deviation of steel-pipe pile rule, every steel-pipe pile is reserved when positioning
Lower stake after offset；Start the diesel hammer on pile driving barge, first strike is located at first steel-pipe pile in pile driving barge leading truck Longkou；Work as bavin
When in oil hammer hammering height to pile driving barge leading truck Longkou, Longkou frame is overturn, starts continuous hammering steel-pipe pile to than designed elevation
High 0 ~ 8m；
2.2) the Convergence method detection of steel-pipe pile stake position
Two total stations are set up in both direction on the coast, two total stations and the intersection of steel-pipe pile position are in 90 °, at first
After the pile top of steel pipe pile bottom enters mud in seabed, hung down with the planar central location error of two total station observation steel-pipe piles and stake position
Straight degree error；Repetition measurement stake position after hammering every time, if error is larger, lifting steel-pipe pile relocates again, it is ensured that the steel pipe of pile sinking
Stake is located on plan stake position；
2.3) pitching pile of second steel-pipe pile
Elastic anchor hawser finely tunes the accommodation of pile driving barge, and the stake position of second steel-pipe pile is made to reach designated position；By second steel-pipe pile
Locking mechanism and first steel-pipe pile locking mechanism grafting each other；Start the diesel hammer on pile driving barge, repeats step 2.1)
With the pile sinking and position detection for 2.2), completing second steel-pipe pile；
3) first strike completes the stairstepping pile sinking of one group of more steel-pipe pile
Step 2.1)~2.3 are repeated several times), it is sequentially completed the first strike and the detection of stake position of one group of more steel-pipe pile, makes this group of steel pipe
The top surface of stake forms stairstepping, i.e., after the steel-pipe pile top surface beaten higher than the steel-pipe pile top surface first beaten；The steel pipe beaten after detecting
When the planar central location error or the error of perpendicularity of stake stake position are less than specified value, the steel-pipe pile top surface beaten afterwards and previous steel pipe
Stake top face flushes；When the steel-pipe pile stake bit plane center error or the error of perpendicularity beaten after detecting are close to specified value,
Stop the first strike of the root steel-pipe pile, and the stake shape after making one group of more steel-pipe pile pile sinking gradually forms the ladder higher than designed elevation
Shape；
4) the final pile sinking that strike-on completes one group of more steel-pipe pile is alternated
It is carried out alternately in the way of strike-on steel-pipe pile by being spaced a steel-pipe pile, using diesel hammer by the top of one group of more steel-pipe pile
The designed elevation of steel-pipe pile is got in face one by one, during the hammering of diesel hammer, is repeated step 2.2), is detected steel-pipe pile stake at any time
Position.
2. the pile sinking process of major diameter fore shaft steel-pipe pile as described in claim 1, which is characterized in that in step 2.1), beat
Stake ship leading truck is equipped with the one group two mutual turning rolls at right angle limited to steel-pipe pile side locking notch pipe on one side, in favor of
Stake position deflection during control piling.
3. the pile sinking process of major diameter fore shaft steel-pipe pile as described in claim 1, which is characterized in that in step 2.1), when
Need to reduce the centers of two adjacent steel-pipe piles away from when, in the T shape rostral anterior of fore shaft plate, be welded with muti-piece along fore shaft plate longitudinal gap
Front limited block；When need to increase the centers of two adjacent steel-pipe piles away from when, in the rear web of fore shaft plate, between fore shaft plate longitudinal direction
The limited block after being welded with muti-piece.
4. the pile sinking process of major diameter fore shaft steel-pipe pile as described in claim 1, which is characterized in that in step 2.2), when
When detecting that the stake position error of perpendicularity is more than specified value, using pile driving barge leading truck to before the opposite direction of the stake position error of perpendicularity
Incline or mode of swinging back reduces the stake position error of perpendicularity, is allowed to meet regulation；When detecting that a bit plane center error is super
When crossing specified value, tenses or loosen hawser to reduce stake position error, be allowed to meet regulation.
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| CN201910475302.7A CN110184995A (en) | 2019-06-03 | 2019-06-03 | The pile sinking process of major diameter fore shaft steel-pipe pile |
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| CN201910475302.7A CN110184995A (en) | 2019-06-03 | 2019-06-03 | The pile sinking process of major diameter fore shaft steel-pipe pile |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111335313A (en) * | 2020-03-06 | 2020-06-26 | 中交第三航务工程局有限公司 | Pile sinking process for wharf pile |
| CN114319352A (en) * | 2021-12-31 | 2022-04-12 | 中国港湾工程有限责任公司 | Steel pipe pile water pile sinking construction method |
| CN114775671A (en) * | 2022-04-29 | 2022-07-22 | 保利长大工程有限公司 | Large-diameter precast tubular pile construction method under complex geology |
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| CN105649080A (en) * | 2015-12-31 | 2016-06-08 | 中交第三航务工程局有限公司宁波分公司 | Single-pile pile sinking method |
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|---|---|---|---|---|
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