CN110409447A - Device and method for pulling pile through existing bridge by shield - Google Patents
Device and method for pulling pile through existing bridge by shield Download PDFInfo
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- CN110409447A CN110409447A CN201910700439.8A CN201910700439A CN110409447A CN 110409447 A CN110409447 A CN 110409447A CN 201910700439 A CN201910700439 A CN 201910700439A CN 110409447 A CN110409447 A CN 110409447A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 132
- 239000010959 steel Substances 0.000 claims abstract description 132
- 238000010276 construction Methods 0.000 claims abstract description 16
- 239000002689 soil Substances 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000002787 reinforcement Effects 0.000 claims description 41
- 238000005266 casting Methods 0.000 claims description 24
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 238000000605 extraction Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 8
- 238000007373 indentation Methods 0.000 claims description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000009466 transformation Effects 0.000 abstract 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 13
- 238000010586 diagram Methods 0.000 description 6
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- 238000005520 cutting process Methods 0.000 description 3
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D9/00—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
- E02D9/02—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof by withdrawing
Abstract
The invention provides a device and a method for pulling a pile through an existing bridge by a shield, and belongs to the technical field of bridge structure transformation. The method solves the technical problems of high construction difficulty in narrow space, large influence on surrounding environment and high construction cost in the prior art. The technical scheme is as follows: a device for pulling a pile through an existing bridge by a shield comprises a pile head pulling mechanism and a pile body pulling mechanism. The invention has the beneficial effects that: the invention can pull up the pile body by sections through the H-shaped steel and the cuboid steel block, thereby not only ensuring the reliability of pile pulling, but also realizing high-efficiency construction in limited underground space, reducing the influence on upper structures or surrounding buildings, and simultaneously, adopting the method of separating the pile body from the soil body and reducing friction by sinking the steel casing, and having the advantages of high stability, high construction speed and the like.
Description
Technical field
The present invention relates to bridge structure renovation technique field more particularly to a kind of existing bridge pile pulling device of shield crossing and
Method.
Background technique
With increasing for urban population and vehicle, city underground transport development have become each big city solve it is congested in traffic
Preferred option.Although the arrangement of subway line avoids the influence to inhering architecture as far as possible in principle, still there is part
Subway line can pass through existing Bored Pile of Bridge.Therefore, it is the normal construction for guaranteeing city underground route, needs to existing bridge
Pile foundation carries out pulling out construction, and the pile foundation below bridge is pulled out and can only be carried out in the very narrow confined space.
Fewer for the pile pulling research of this confined space under bridge floor by consulting related data, there is presently no complete
Complete mature technical solution, traditional pile pulling mode be all by the instruments such as dedicated pile-drawing machine, crane it is direct on pull out, pulling out
Adhesion strength is big between stake pile surface and soil, and stake is caused to be not easy to be pulled out." existing bridge is passed through in weak soil shield driving area
Beam pile pulling device " (201720235220.1), it drives full-sleeve rotation to sink to original stake by full-sleeve machine, utilizes full-sleeve bottom
The blade of portion's installation and the inverted triangle hammer being arranged between original stake carry out pile body cutting, complete pile pulling.The above method usually exists
Broad place can effectively carry out, however, large machines is inconvenient to operate when underground construction space is extremely limited, pile pulling is difficult
Spend very big, it is easy to the safety for influencing superstructure or Adjacent Buildings, there are risks it is high, cost is big the problems such as.
Summary of the invention
It is an object of the invention to solve, existing in the prior art in small space, difficulty of construction is big, to ambient enviroment shadow
Technical problem big, that construction cost is high is rung, and a kind of existing bridge pile pulling device of shield crossing and method are provided.
The present invention is realized by following measure: a kind of existing bridge pile pulling device of shield crossing, wherein including pile crown
Pull out mechanism and pile body unplugging structure two parts；It includes steel pile casting 1, H profile steel 2, several stiffened steel plates 4 that the pile crown, which pulls out mechanism,
With billet 5,2 lower flange of the H profile steel inside is symmetrically welded the billet 5 along web with 7 top contact of pile body point, former
Stake main reinforcement 10 sequentially passes through 2 bottom plate of H profile steel and the billet 5 from bottom to top；
The pile body unplugging structure includes cuboid bloom 3, jack 6, steel cushion block 8 and several spirals 9, described
Several spirals 9 are welded along 3 cross-sectional direction of cuboid bloom and vertical several former 10 square crossings of stake main reinforcement, institute
It states cuboid bloom 3 to be placed in the frame that the spiral 9 is formed with the former stake main reinforcement 10,3 liang of the cuboid bloom
Side-lower is sequentially placed the jack 6 and the steel cushion block 8；
Along the H profile steel 2 it is longitudinal be respectively arranged below 1 two sides of steel pile casting and the H profile steel 2 one it is described very heavy
Top 6；The steel cushion block 8 is equipped with below the jack 6, the steel cushion block 8 is filled by bottom operation platform as pile pulling counter-force
It sets.
Scheme, the pile crown are advanced optimized as a kind of existing bridge pile pulling device of shield crossing provided by the invention
Several stiffened steel plates 4 in plucking device are arranged symmetrically along 2 web of H profile steel, and both ends are respectively welded at the H profile steel 2
Upper lower flange on the inside of, be welded and fixed close to the side of web with web；The height of the stiffened steel plates 4 and 2 abdomen of H profile steel
Plate height is equal, and the width of the stiffened steel plates 4 is the half of 2 flange width of H profile steel.
Scheme, the pile crown are advanced optimized as a kind of existing bridge pile pulling device of shield crossing provided by the invention
The billet 5 and former 10 welding position of stake main reinforcement in plucking device is by being arranged screw thread described in several horizontal directions
Reinforcing bar 9 carries out reinforcement fixation.
As a kind of scheme that advanced optimizes of the existing bridge pile pulling device of shield crossing provided by the invention, the steel shield
Cylinder 1 is in hollow cylinder structure, and top is lower than the top of the pile body 7.
A kind of pile extracting method of the existing bridge pile pulling device of shield crossing, comprising the following steps:
1) pouring for operation platform, is completed before pile pulling, meets the construction requirement of jack 6 and pile pulling device；
2), fixed indentation 1 equipment of steel pile casting, is directed at positioning with 7 center of pile body, is pressed into steel pile casting around the stake pulled out in advance
1, and wash away with giant the 7 side soil body of pile body in steel pile casting 1；
3), several stiffened steel plates 4 are arranged symmetrically along 2 web of H profile steel, and both ends are respectively welded in the upper lower flange of H profile steel 2
Side, the side close to web are welded and fixed with web；
4) H profile steel 2, is placed at the top of pile body 7, is symmetrically welded with 2 lower flange of the H profile steel inside of 7 top contact of pile body point
Billet 5；
5) the former stake main reinforcement exposed is passed through 2 lower flange of H profile steel and billet 5 by the concrete for, cutting 7 top of pile body
It is welded and fixed with H profile steel 2, billet 5 and former 10 welding position of stake main reinforcement are carried out by the way that several horizontal direction spirals 9 are arranged
Reinforce fixing；
6), a jack 6 is respectively arranged along 7 two sides of pile body in 2 lower section of H profile steel at several stiffened steel plates semi-finals positions,
And steel cushion block 8 is placed in 6 lower end of jack, the operation platform contacted with 8 bottom of steel cushion block passes through thousand as pile pulling counterforce device
The thrust that jin top 6 is classified the generation that is further applied load drives H profile steel 2 to move straight up, to realize pile pulling；
7) it after, pulling out a distance on pile body 7, removes H profile steel 2 and the part pile body of extraction is truncated, retain part main reinforcement
And it is welded and fixed with the spiral of several horizontal directions 9；
8) in the frame that, cuboid bloom 3 is placed in spiral 9 and former stake main reinforcement 10 is formed, 3 bottom of cuboid bloom
It is contacted with jack 6, continues to load using jack 6, so that stake be pulled up section by section；
9), remove cuboid bloom 3, be truncated the part pile body of extraction, retain part main reinforcement and with several horizontal direction spiral shells
Line reinforcing bar 9 is welded and fixed, and repeats step 8), until pile body is all pulled out.
In order to preferably realize the object of the invention, the present invention also provides a kind of existing bridge pile pulling device of shield crossing, packets
Include pile body unplugging structure and two pile crown clamp system two parts for being oppositely arranged；
The pile body unplugging structure includes two steel cushion blocks 8, two jack being separately positioned on described two steel cushion blocks 8
6, and the cuboid bloom 3 at two 6 tops of jack is set and is set in qually spaced in the middle part of the cuboid bloom 3 and is pushed up
If a spiral 9 in face；
The pile crown clamp system includes the pedestal 11 that 3 top surface of cuboid bloom is arranged in, and is arranged in the pedestal
Mobile guide part 12 on 11, the main STATEMENT OF FEDERALLY SPONSORED 13 being respectively and movably connected on two support arms 120 of the mobile guide part 12
With duplicate invoice moving part 14, driven respectively by the press element 15 of the main STATEMENT OF FEDERALLY SPONSORED 13 and the duplicate invoice moving part 14 driving end several
A elastic clamping component 16, several described elasticity step up the support that component 16 is equidistantly disposed side by side on described 11 one end of pedestal
On plate；
It further include being arranged on the mobile guide part 12, the guide spiro rod of the support column on the pedestal 11.
Scheme, the movement are advanced optimized as a kind of existing bridge pile pulling device of shield crossing provided by the invention
Two guide pads 121 are arranged side by side in 12 bottom surface of guide part respectively, and 121 cross section of guide pad is trapezoidal shape, and is led described in two
It is respectively that handstand dovetail groove is mutually slidably matched with the cross section on the pedestal 11 to block 121.
It is described main as a kind of scheme that advanced optimizes of the existing bridge pile pulling device of shield crossing provided by the invention
Moving part 13 is in concave, and transverse arm 130 is articulated on a wherein support arm 120 for the mobile guide part 12, two power arms
131 are hingedly connected to the press element 15.
Scheme, the duplicate invoice are advanced optimized as a kind of existing bridge pile pulling device of shield crossing provided by the invention
Moving part 14 is arranged by being articulated with the linking arm 140 of another support arm 120 of the mobile guide part 12 in the linking arm
The actuating arm 141 of 140 one ends is movably connected on the press element 15 that the actuating arm 141 drives end, the linking arm
140 other ends are flexibly connected with the transverse arm 122 of the main STATEMENT OF FEDERALLY SPONSORED 13.
Scheme, the elasticity are advanced optimized as a kind of existing bridge pile pulling device of shield crossing provided by the invention
Clamping component 16 includes the pressure ram 160 to contact with each other with the outside spiral 9, is arranged on the pressure ram 160
Return spring 161.
In order to preferably realize the object of the invention, the present invention also provides use the existing bridge pile pulling device of shield crossing
Pile extracting method, comprising the following steps:
1) pouring for operation platform, is completed before pile pulling, meets the construction requirement of jack 6 and pile pulling device；
2), fixed indentation steel pile casting equipment, is directed at positioning with 7 center of pile body, and steel shield is pressed into around the pile body pulled out in advance
Cylinder, and wash away with giant the 7 side soil body of pile body in steel pile casting；
3) concrete at 7 top of pile body, is cut, if the former stake main reinforcement exposed is passed through a spiral shell in 3 top surface of cuboid bloom
Gap carries out reinforcement fixation between line reinforcing bar 9；
4) it rotates guide spiro rod and then mobile guide part 12 is pushed to move along pedestal 11, to drive main STATEMENT OF FEDERALLY SPONSORED
13 and duplicate invoice moving part 14 drive end press element 15 squeeze several elastic clamping components 16 of its end pressure ram 160 and
The spiral 9 in outside, being further applied load by the classification of jack 6, thrust drives former stake main reinforcement 10 and pile body 7 straight up for generation
It moves up vertically together, to realize pile pulling；
5) after, pulling out a distance on pile body 7, guide spiro rod is reversely rotated, pile crown clamp system is detached from the screw thread in outside
Reinforcing bar 9, and the part pile body of extraction is truncated, pile body is pulled up section by section by jack 6；
6), remove cuboid bloom 3, be truncated the part pile body of extraction, retain part main reinforcement and with several horizontal direction spiral shells
Line reinforcing bar 9 is fixedly clamped, and repeats step 3) to step 5), until pile body is all pulled out.
It is pulled out the invention has the benefit that the present invention is segmented original stake with cuboid bloom by H profile steel, both
It ensure that the reliability of pile pulling, and accomplish efficiently to construct in the limited underground space, reduce to superstructure or Adjacent Buildings
Influence, meanwhile, the method that pile body is separated from soil antifriction is sunk to using steel pile casting, has stability high, speed of application is fast
Etc. advantages；Entire pile pulling process efficiently solves long deeper, the whole stake resistance to plucking of stake using segmentation amputation, repeated mode
The problems such as power is larger guarantees the stability of construction；Steel pile casting is sunk to, and realizes the separation of pile body and the soil body, is rubbed by reducing
Wiping power reduces pile pulling difficulty, and the soil body outside casing is prevented to enter pile body, while playing aggregation water and accelerating water and soil by casing
The effect of side spilling speed；Intensity and rigidity when pulling out are met with the welding of original main reinforcement by the big H profile steel of stiffness by itself
Double requirements can effectively pull up the big original stake of initial withdrawal resistance, guarantee the reliability of pile pulling, by light-weight, small in size
Cuboid bloom facilitates and completes subsequent pile pulling, saves human resources, guarantees the high efficiency constructed in narrow space；Pile pulling device
And pile extracting method scene is adaptable, pile pulling is high-efficient, especially low to the space requirement of construction site.
Detailed description of the invention
Fig. 1 is H profile steel pile pulling device structural schematic diagram of the invention；
Fig. 2 is cuboid bloom pile pulling device structural schematic diagram of the invention；
Fig. 3 is H profile steel pile pulling device side view of the invention；
Fig. 4 is cuboid bloom of the invention and former pile body connection schematic diagram；
Fig. 5 is the overall structure diagram of the embodiment of the present invention 2；
Fig. 6 is the main view of the embodiment of the present invention 2；
Fig. 7 is the top view of Fig. 6；
Fig. 8 is that the pile crown in the embodiment of the present invention 2 clamps structural scheme of mechanism；
Fig. 9 is main STATEMENT OF FEDERALLY SPONSORED structural schematic diagram in the embodiment of the present invention 2；
Figure 10 is the structural schematic diagram of the duplicate invoice moving part in the embodiment of the present invention 2.
Wherein, appended drawing reference are as follows: 1, steel pile casting；2, H profile steel；3, cuboid bloom；4, stiffened steel plates；5, billet；6,
Jack；7, former pile body；8, steel cushion block；9, spiral；10, former stake main reinforcement；11, pedestal；12, mobile guide part；120, it props up
Brace；121, guide pad；13, main STATEMENT OF FEDERALLY SPONSORED；130, support arm；131, transverse arm；14, duplicate invoice moving part；140, linking arm；141,
Actuating arm；15, element is pressed；16, elastic clamping group；160, pressure ram；161, return spring.
Specific embodiment
In order to clarify the technical characteristics of the invention, being illustrated below by specific embodiment to this programme.
Embodiment 1
Referring to Fig. 1 to Fig. 4, the present invention is: a kind of existing bridge pile pulling device of shield crossing, wherein pull out including pile crown
Mechanism and pile body unplugging structure two parts；It includes steel pile casting 1, H profile steel 2, several stiffened steel plates 4 and billet that pile crown, which pulls out mechanism,
5,2 lower flange of H profile steel inside is symmetrically welded billet 5 along web with 7 top contact of pile body point, and former stake main reinforcement 10 is from bottom to top
Sequentially pass through 2 bottom plate of H profile steel and billet 5；
Pile body plucking device includes cuboid bloom 3, jack 6, steel cushion block 8 and several spirals 9, several spiral shells
Line reinforcing bar 9 is welded along 3 cross-sectional direction of cuboid bloom and vertical several former 10 square crossings of stake main reinforcement, and cuboid bloom 3 is set
In in the frame that spiral 9 and former stake main reinforcement 10 are formed, 3 down either side of cuboid bloom is sequentially placed jack 6 and steel pad
Block 8；
Along 2 longitudinal direction of H profile steel, one jack 6 is respectively set below 1 two sides of steel pile casting and H profile steel 2；6 lower section of jack
Equipped with steel cushion block 8, steel cushion block 8 is by bottom operation platform as pile pulling counterforce device.
Specifically, pile crown is pulled out several stiffened steel plates 4 in mechanism and is arranged symmetrically along 2 web of H profile steel, and both ends are welded respectively
It connects on the inside of the upper lower flange of H profile steel 2, the side close to web is welded and fixed with web；The height and H profile steel 2 of stiffened steel plates 4
Web height is equal, and the width of stiffened steel plates 4 is the half of 2 flange width of H profile steel.
Specifically, pile crown pulls out the billet 5 in mechanism with former 10 welding position of stake main reinforcement by the way that several levels are arranged
Direction spiral 9 carries out reinforcement fixation.
Specifically, steel pile casting 1 is in hollow cylinder structure, and top is lower than the top of pile body 7.
A kind of pile extracting method of the existing bridge pile pulling device of shield crossing, comprising the following steps:
1) pouring for operation platform, is completed before pile pulling, meets the construction requirement of jack 6 and pile pulling device；
2), fixed indentation 1 equipment of steel pile casting, is directed at positioning with 7 center of pile body, is pressed into steel pile casting around the stake pulled out in advance
1, and wash away with giant the 7 side soil body of original stake in steel pile casting 1；
3), several stiffened steel plates 4 are arranged symmetrically along 2 web of H profile steel, and both ends are respectively welded in the upper lower flange of H profile steel 2
Side, the side close to web are welded and fixed with web；
4) H profile steel 2, is placed at the top of pile body 7, is symmetrically welded with 2 lower flange of the H profile steel inside of 7 top contact of pile body point
Billet 5；
5) the former stake main reinforcement exposed is passed through 2 lower flange of H profile steel and billet 5 by the concrete for, cutting 7 top of pile body
It is welded and fixed with H profile steel 2, billet 5 and former 10 welding position of stake main reinforcement are carried out by the way that several horizontal direction spirals 9 are arranged
Reinforce fixing；
6), a jack 6 is respectively arranged along 7 two sides of pile body in 2 lower section of H profile steel at several stiffened steel plates semi-finals positions,
And steel cushion block 8 is placed in 6 lower end of jack, the operation platform contacted with 8 bottom of steel cushion block passes through thousand as pile pulling counterforce device
The thrust that jin top 6 is classified the generation that is further applied load drives H profile steel 2 to move straight up, to realize pile pulling；
7) it after, pulling out a distance on pile body 7, removes H profile steel 2 and the part pile body of extraction is truncated, retain part main reinforcement
And it is welded and fixed with the spiral of several horizontal directions 9；
8) in the frame that, cuboid bloom 3 is placed in spiral 9 and former stake main reinforcement 10 is formed, 3 bottom of cuboid bloom
It is contacted with jack 6, continues to load using jack 6, so that stake be pulled up section by section；
9), remove cuboid bloom 3, be truncated the part pile body of extraction, retain part main reinforcement and with several horizontal direction spiral shells
Line reinforcing bar 9 is welded and fixed, and repeats step 8, until pile body is all pulled out.
Embodiment 2
Referring to Fig. 5 to Figure 10, in order to preferably realize the object of the invention, the present invention also provides a kind of existing bridges of shield crossing
Beam pile pulling device, the pile crown clamp system two parts being oppositely arranged including pile body unplugging structure and two；
Pile body unplugging structure includes two steel cushion blocks 8, and two jack 6 being separately positioned on two steel cushion blocks 8, both ends are set respectively
If setting the cuboid bloom 3 at the top of two jack 6 and being set in qually spaced in a screw-thread steel of 3 middle top surface of cuboid bloom
Muscle 9 is constituted；
Pile crown clamp system includes the pedestal 11 that 3 top surface of cuboid bloom is arranged in, and the movement being arranged on the pedestal 11 is led
To part 12, the main STATEMENT OF FEDERALLY SPONSORED 13 and duplicate invoice moving part 14 being respectively and movably connected on two support arms 120 of mobile guide part 12, respectively
Several elastic clamping components 16 for driving the press element 15 at end to drive by main STATEMENT OF FEDERALLY SPONSORED 13 and duplicate invoice moving part 14, several bullets
Property is stepped up component 16 and is equidistantly disposed side by side in the support plate of 11 one end of pedestal；
It further include being arranged on mobile guide part 12, the guide spiro rod of the support column on pedestal 11.
Specifically, two guide pads 121 are arranged side by side in 12 bottom surface of mobile guide part respectively, and 121 cross section of guide pad is ladder
Shape, and two guide pads 121 are respectively that handstand dovetail groove is mutually slidably matched with the cross section on pedestal 11.
Specifically, main STATEMENT OF FEDERALLY SPONSORED 13 is in concave, and transverse arm (130) is articulated with a wherein support arm for mobile guide part 12
On 120, two power arms (131) are hingedly connected to press element 15.
Specifically, duplicate invoice moving part 14 includes the linking arm 140 for being articulated with another support arm 120 of mobile guide part 12, if
The actuating arm 141 in 140 one end of linking arm is set, the press element 15 that actuating arm 141 drives end, linking arm are movably connected on
140 other ends are flexibly connected with the transverse arm 122 of main STATEMENT OF FEDERALLY SPONSORED 13.
Specifically, elastic clamping component 16 includes the pressure ram 160 to contact with each other with outside screw reinforcing bar 9, and setting is being squeezed
Return spring 161 on compression bar 160.
In order to preferably realize the object of the invention, the present invention also provides use the existing bridge pile pulling device of shield crossing
Pile extracting method, comprising the following steps:
1) pouring for operation platform, is completed before pile pulling, meets the construction requirement of jack 6 and pile pulling device；
2), fixed indentation steel pile casting equipment, is directed at positioning with 7 center of pile body, and steel shield is pressed into around the pile body pulled out in advance
Cylinder, and wash away with giant the 7 side soil body of pile body in steel pile casting；
3) concrete at 7 top of pile body, is cut, if the former stake main reinforcement exposed is passed through a spiral shell in 3 top surface of cuboid bloom
Gap carries out reinforcement fixation between line reinforcing bar 9；
4) it rotates guide spiro rod and then mobile guide part 12 is pushed to move along pedestal 11, to drive main STATEMENT OF FEDERALLY SPONSORED
13 and duplicate invoice moving part 14 drive end press element 15 squeeze several elastic clamping components 16 of its end pressure ram 160 and
The spiral 9 in outside, being further applied load by the classification of jack 6, thrust drives former stake main reinforcement 10 and pile body 7 straight up for generation
It moves up vertically together, to realize pile pulling；
5) after, pulling out a distance on pile body 7, guide spiro rod is reversely rotated, pile crown clamp system is detached from the screw thread in outside
Reinforcing bar 9, and the part pile body of extraction is truncated, pile body is pulled up section by section by jack 6；
6), remove cuboid bloom 3, be truncated the part pile body of extraction, retain part main reinforcement and with several horizontal direction spiral shells
Line reinforcing bar 9 is fixedly clamped, and repeats step 3 to step 5), until pile body is all pulled out.
Technical characteristic of the present invention without description can realize that details are not described herein by or using the prior art, certainly,
The above description is not a limitation of the present invention, and the present invention is also not limited to the example above, the ordinary skill of the art
The variations, modifications, additions or substitutions that personnel are made within the essential scope of the present invention also should belong to protection model of the invention
It encloses.
Claims (5)
1. a kind of existing bridge pile pulling device of shield crossing, which is characterized in that pull out mechanism and pile body unplugging structure including pile crown
Two parts；
It includes steel pile casting (1), H profile steel (2), several stiffened steel plates (4) and billet (5), the H-type that the pile crown, which pulls out mechanism,
It is symmetrically welded the billet (5) with pile body (7) top contact point along web on the inside of steel (2) lower flange, former stake main reinforcement (10)
The H profile steel (2) bottom plate and the billet (5) are sequentially passed through from bottom to top；
The pile body plucking device includes cuboid bloom (3), jack (6), steel cushion block (8) and several spirals (9),
Several described spirals (9) are mutual along cuboid bloom (3) cross-sectional direction and vertical several former stake main reinforcements (10)
Square crossing welding, the frame that the cuboid bloom (3) is placed in the spiral (9) and the former stake main reinforcement (10) is formed
Interior, cuboid bloom (3) down either side is sequentially placed the jack (6) and the steel cushion block (8)；
Along the longitudinal setting one described thousand each below the steel pile casting (1) two sides and the H profile steel (2) of the H profile steel (2)
Jin top (6)；The steel cushion block (8) is equipped with below the jack (6), the steel cushion block (8) passes through the conduct of bottom operation platform
Pile pulling counterforce device.
2. the existing bridge pile pulling device of shield crossing according to claim 1, which is characterized in that the pile crown plucking device
In several stiffened steel plates (4) be arranged symmetrically along the H profile steel (2) web, both ends are respectively welded at the H profile steel (2)
On the inside of upper lower flange, the side close to web is welded and fixed with web；The height of the stiffened steel plates (4) and the H profile steel (2)
Web height is equal, and the width of the stiffened steel plates (4) is the half of the H profile steel (2) flange width.
3. the existing bridge pile pulling device of shield crossing according to claim 1, which is characterized in that the pile crown plucking device
In the billet (5) and former stake main reinforcement (10) welding position by the way that spiral described in several horizontal directions is arranged
(9) reinforcement fixation is carried out.
4. according to right want 1 described in the existing bridge pile pulling device of shield crossing, which is characterized in that during the steel pile casting (1) is in
Hollow cylinder structure, top are lower than the top of the pile body (7).
5. a kind of pile extracting method using the existing bridge pile pulling device of the described in any item shield crossings of claim 1-4, special
Sign is, comprising the following steps:
1) pouring for operation platform, is completed before pile pulling, meets the construction requirement of jack (6) and pile pulling device；
2), fixed indentation steel pile casting (1) equipment, is directed at positioning with pile body (7) center, is pressed into steel pile casting around the stake pulled out in advance
(1), pile body (7) side soil body in steel pile casting (1) and with giant is washed away；
3), several stiffened steel plates (4) are arranged symmetrically along H profile steel (2) web, and both ends are respectively welded at the upper lower flange of H profile steel (2)
Inside, the side close to web are welded and fixed with web；
4) H profile steel (2), are placed at the top of pile body (7), it is symmetrical with H profile steel (2) lower flange inside of pile body (7) top contact point
It welds billet (5)；
5) concrete at the top of pile body (7), is cut, the former stake main reinforcement exposed is passed through into H profile steel (2) lower flange and billet
(5) it is welded and fixed with H profile steel (2), billet (5) and former stake main reinforcement (10) welding position are by being arranged several horizontal direction screw threads
Reinforcing bar (9) carries out reinforcement fixation；
6), several stiffened steel plates (4), which are strengthened, respectively arranges a jack along pile body (7) two sides below the H profile steel (2) at position
(6), steel cushion block (8) and in jack (6) lower end are placed, the operation platform of steel cushion block (8) bottom contact is filled as pile pulling counter-force
It sets, drives H profile steel (2) to move straight up by the thrust that jack (6) are classified the generation that is further applied load, to realize pile pulling；
7) it after, pulling out a distance on pile body (7), removes H profile steel (2) and the part pile body of extraction is truncated, retain part main reinforcement
And it is welded and fixed with the spiral of several horizontal directions (9)；
8) in the frame that, cuboid bloom (3) is placed in spiral (9) and former stake main reinforcement (10) is formed, cuboid bloom (3)
Bottom is contacted with jack (6), load is continued to using jack (6), so that stake be pulled up section by section；
9) cuboid bloom (3), are removed, are truncated the part pile body of extraction, retain part main reinforcement and with several horizontal direction screw threads
Reinforcing bar (9) is welded and fixed, and repeats step 8), until pile body is all pulled out.
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| CN201910700439.8A CN110409447A (en) | 2019-07-31 | 2019-07-31 | Device and method for pulling pile through existing bridge by shield |
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| CN201910700439.8A CN110409447A (en) | 2019-07-31 | 2019-07-31 | Device and method for pulling pile through existing bridge by shield |
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| CN110409447A true CN110409447A (en) | 2019-11-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111549830A (en) * | 2020-03-24 | 2020-08-18 | 北京城建设计发展集团股份有限公司 | Vertical uplift static load test method for uplift pile single pile of subway open cut station |
| CN112049112A (en) * | 2020-09-16 | 2020-12-08 | 南京深地智能建造技术研究院有限公司 | Operation platform for pile pulling, pile pulling device and pile pulling method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191002665A (en) * | 1910-02-02 | 1910-09-22 | Edward Le Bas | Improvements in and relating to Apparatus for Withdrawing Piles, Sheet Piles, Well Tubes and the like. |
| JPH10131183A (en) * | 1996-10-31 | 1998-05-19 | Kato Kensetsu:Kk | Construction method for pulling-out underground cylindrical-body and split ring used therefor |
| CN1482309A (en) * | 2003-06-12 | 2004-03-17 | 上海隧道工程股份有限公司 | A drill hole grout pile drag reduction extraction process |
| CN101761068A (en) * | 2009-11-10 | 2010-06-30 | 同济大学 | Box-raft pressure-bearing type foundation underpinning and construction reinforcing method for tunnel across pile foundation of bridge above river |
| CN101886390A (en) * | 2010-06-12 | 2010-11-17 | 中铁十六局集团有限公司 | All casing static pressure pile pulling technology in narrow space |
| CN106978807A (en) * | 2017-03-10 | 2017-07-25 | 浙江大学城市学院 | Existing bridge pile pulling device and construction method are passed through by a kind of weak soil shield driving area |
| CN108330973A (en) * | 2018-02-02 | 2018-07-27 | 无锡地铁集团有限公司 | Pile pulling device under low clearance height and quick pile extracting method |
| CN108951624A (en) * | 2018-09-06 | 2018-12-07 | 南京吉欧地下空间科技有限公司 | A kind of air bag pile pulling device and pile-pulling construction method |
| KR101940587B1 (en) * | 2018-04-16 | 2019-01-22 | (주)에스앤씨산업 | The Method of Producing of Prestressed Composite Pile that allows for the Control of the Rise by Concrete Separation Installation, the Prestressed Composite Pile and Construction Method using it |
| CN210562178U (en) * | 2019-07-31 | 2020-05-19 | 江苏省地质矿产局第三地质大队 | Shield constructs to pass through existing bridge pile pulling device |
-
2019
- 2019-07-31 CN CN201910700439.8A patent/CN110409447A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191002665A (en) * | 1910-02-02 | 1910-09-22 | Edward Le Bas | Improvements in and relating to Apparatus for Withdrawing Piles, Sheet Piles, Well Tubes and the like. |
| JPH10131183A (en) * | 1996-10-31 | 1998-05-19 | Kato Kensetsu:Kk | Construction method for pulling-out underground cylindrical-body and split ring used therefor |
| CN1482309A (en) * | 2003-06-12 | 2004-03-17 | 上海隧道工程股份有限公司 | A drill hole grout pile drag reduction extraction process |
| CN101761068A (en) * | 2009-11-10 | 2010-06-30 | 同济大学 | Box-raft pressure-bearing type foundation underpinning and construction reinforcing method for tunnel across pile foundation of bridge above river |
| CN101886390A (en) * | 2010-06-12 | 2010-11-17 | 中铁十六局集团有限公司 | All casing static pressure pile pulling technology in narrow space |
| CN106978807A (en) * | 2017-03-10 | 2017-07-25 | 浙江大学城市学院 | Existing bridge pile pulling device and construction method are passed through by a kind of weak soil shield driving area |
| CN108330973A (en) * | 2018-02-02 | 2018-07-27 | 无锡地铁集团有限公司 | Pile pulling device under low clearance height and quick pile extracting method |
| KR101940587B1 (en) * | 2018-04-16 | 2019-01-22 | (주)에스앤씨산업 | The Method of Producing of Prestressed Composite Pile that allows for the Control of the Rise by Concrete Separation Installation, the Prestressed Composite Pile and Construction Method using it |
| CN108951624A (en) * | 2018-09-06 | 2018-12-07 | 南京吉欧地下空间科技有限公司 | A kind of air bag pile pulling device and pile-pulling construction method |
| CN210562178U (en) * | 2019-07-31 | 2020-05-19 | 江苏省地质矿产局第三地质大队 | Shield constructs to pass through existing bridge pile pulling device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111549830A (en) * | 2020-03-24 | 2020-08-18 | 北京城建设计发展集团股份有限公司 | Vertical uplift static load test method for uplift pile single pile of subway open cut station |
| CN111549830B (en) * | 2020-03-24 | 2021-08-06 | 北京城建设计发展集团股份有限公司 | Vertical uplift static load test method for uplift pile single pile of subway open cut station |
| CN112049112A (en) * | 2020-09-16 | 2020-12-08 | 南京深地智能建造技术研究院有限公司 | Operation platform for pile pulling, pile pulling device and pile pulling method |
| CN112049112B (en) * | 2020-09-16 | 2021-09-21 | 南京深地智能建造技术研究院有限公司 | Operation platform for pile pulling, pile pulling device and pile pulling method |
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