CN108894225A - A kind of pile extractor suitable for having enough to meet the need formed steel construction slope protection pile - Google Patents
A kind of pile extractor suitable for having enough to meet the need formed steel construction slope protection pile Download PDFInfo
- Publication number
- CN108894225A CN108894225A CN201810986264.7A CN201810986264A CN108894225A CN 108894225 A CN108894225 A CN 108894225A CN 201810986264 A CN201810986264 A CN 201810986264A CN 108894225 A CN108894225 A CN 108894225A
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- CN
- China
- Prior art keywords
- pile
- slope protection
- steel construction
- pile pulling
- casing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
Abstract
The pile extractor that the invention discloses a kind of suitable for having enough to meet the need formed steel construction slope protection pile, including hydraulic jack pin connecting plate, jack oil circuit, steel construction slope protection pile hole for hoist, pile pulling rack hole for hoist, casing rod preformed hole, pile pulling casing, steel construction slope protection pile rod preformed hole, casing bait plate, hydraulic jack, pile pulling rack pin hole, the backplate that buries, ball-screw nut, the guard bar that buries, taper steel construction slope protection pile, pile pulling rack backplate, jack connecting pin, rod, pile pulling rack, crown beam, jack base station and foundation soil.The beneficial effects of the invention are as follows：The present invention passes through the ball-screw nut adding pile pulling casing in taper steel construction slope protection pile apical lateral wall and be slidably connected therewith, the horizontal applied force that hydraulic jack generates is converted to ball-screw principle and rotates horizontally power and upward active force, it is more convenient steel member compared with conventional method to jack upwards with armlet disengaging and steel member, pyramidal structure shape advantage is played.
Description
Technical field
The present invention relates to a kind of pile extractor, specially a kind of pile extractor suitable for having enough to meet the need formed steel construction slope protection pile belongs to
Engineering construction technology field.
Background technique
With the fast development of building trade, some Large Infrastructure Projects projects are quickly built, thus are needed in industry
In asking, various large-scale construction equipments using more and more extensive.And among these, since pile foundation is in infrastructure development project
It widely applies, especially turnover formed steel construction slope protection pile is due to light advantage firm in structure, so that pile-drawing machine is especially used for
The use demand for having enough to meet the need the pile-drawing machine of formed steel construction slope protection pile increasingly aggravates.Pile-drawing machine is a kind of to utilize vibration, static(al) or hammering
The piling machinery on stratum is extracted in stake by effect, and pile pulling operation is frequently with corresponding vibratory piling machine, static pile press or double acting vapour
Hammer, then it is equipped with pile frame and rigging, therefore also referred to as vibratory pile drive and extractor, static pile press extractor.Just have using wider for week at present
The Hydrauic pile extractor for the steel construction slope protection pile that makes the transition clamps pile crown using its pile chuck, and hydraulic cylinder forces press pile chuck, be allowed to
Upper jacking a distance extracts stake paragraph by paragraph, is useful in clay, sand or soil layer containing a small amount of gravel and pulls out I-steel or fashioned iron
Stake.
There is some shortcomingss, such as traditional epicyclic-type for turnover formed steel construction slope protection pile pile extractor currently on the market
Steel construction slope protection pile pile extractor is only steel member in pile pulling and provides a kind of upward counter-force, cannot provide the work of Plane Rotation
Firmly, it is unfavorable for the disengaging of steel member and armlet, so that the working efficiency of pile pulling is high not enough.Therefore, it mentions regarding to the issue above
A kind of pile extractor suitable for having enough to meet the need formed steel construction slope protection pile out.
Summary of the invention
The object of the invention is that provide a kind of suitable for turnover formed steel construction slope protection pile to solve the above-mentioned problems
Pile extractor.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of suitable for having enough to meet the need pulling out for formed steel construction slope protection pile
Stake device, including pile pulling rack and pile pulling casing, the pile pulling frame top are equipped with pile pulling rack backplate, the pile pulling rack backplate
Four corner edges of top surface are respectively provided with a pile pulling rack hole for hoist, and the edge of the pile pulling rack backplate top surface is equipped with pile pulling
Rack pin hole, and the surrounding of the pile pulling rack backplate bottom is respectively provided with the guard bar that buries, the middle part of the guard bar that buries
Four side medium positions of position to pile pulling rack backplate are formed by Delta Region and are equipped with the backplate that buries；The pile pulling casing
Lateral wall surrounding is respectively welded there are two casing bait plate, and it is pre- that the top two sides of the pile pulling casing are respectively equipped with a casing rod
It boxes out, a rod is equipped in two casing rod preformed holes；The pile pulling casing lateral wall and ball-screw nut into
Row is slidably connected, and geometric dimension connection is carried out between the ball-screw nut and pile pulling rack；The pile pulling rack pin hole
It is equipped with hydraulic jack, one end of the hydraulic jack connects by jack connecting pin with pile pulling rack pin hole solid
It is scheduled in pile pulling rack, the other end of the hydraulic jack is equipped with hydraulic jack pin connecting plate, the hydraulic jack
Pin connecting plate is placed between two ipsilateral casing bait plates, and the other end of the hydraulic jack passes through jack connecting pin
Nail is fixedly connected on pile pulling casing across hydraulic jack pin connecting plate and casing bait plate, and the hydraulic jack is connected to
One end of pile pulling rack is equipped with jack oil circuit, the jack oil circuit connection jack base station；It is set in the pile pulling casing
There is taper steel construction slope protection pile, the position that casing rod preformed hole is just being corresponded in the taper steel construction slope protection pile is equipped with steel construction
Slope protection pile rod preformed hole, the top of the taper steel construction slope protection pile are equipped with steel construction slope protection pile hole for hoist, and each described
It is linked together between taper steel construction slope protection pile by crown beam, each taper steel construction slope protection pile of the crown beam bottom
It is foundation soil between gap.
Preferably, in order to cooperate the reasonable application of ball-screw nut and pile pulling casing and ball-screw nut principle,
The active force that hydraulic jack is generated is decomposed into the two kinds of active forces upwards and rotated horizontally, the hydraulic jack
Horizontal cross is mounted on pile pulling rack backplate.
Preferably, in order to keep the placement of pile pulling rack more firm, using the more saving of material, the backplate that buries
Geometric triangulation form is presented in shape, and is only installed at the positive bottom opposite sides of pile pulling rack backplate.
Preferably, in order to make convenient and efficient and safety and firmness when pile-drawing machine frame lifting handling, the pile pulling rack is lifted
Hole is arranged four altogether, and uniformly sets up four corner edge portions in pile pulling rack backplate top surface separately.
Preferably, make more convenient and safety and firmness, institute to make to have enough to meet the need formed steel construction slope protection pile in lifting transport
It states steel construction slope protection pile hole for hoist and one piece of horizontal axis is set at the top of the taper steel construction slope protection pile along taper steel construction shield
On the steel plate of slope stake horizontal cross-section diameter welding, and two steel construction slope protection pile holes for hoist are evenly distributed on steel plate both ends.
Preferably, in order to make the cooperation that can be slidably connected between pile pulling casing and ball-screw nut, the pile pulling casing
Outside diameter of section be less than the ball-screw nut internal diameter.
The beneficial effects of the invention are as follows：The present invention is by adding pile pulling casing in taper steel construction slope protection pile apical lateral wall
The ball-screw nut being slidably connected therewith is converted with the horizontal applied force that ball-screw principle generates hydraulic jack
To rotate horizontally power and upward active force, steel member is more convenient compared with conventional method and is jacked upwards with armlet disengaging and steel member,
Pyramidal structure shape advantage is played.
Detailed description of the invention
Fig. 1 is overall structure of the present invention；
Fig. 2 is overall structure front view of the invention；
Fig. 3 is overall structure side view of the invention；
Fig. 4 is overall structure top view of the invention；
Fig. 5 is usage state diagram of the invention.
In figure：1, hydraulic jack pin connecting plate, 2, jack oil circuit, 3, steel construction slope protection pile hole for hoist, 4, pile pulling
Rack hole for hoist, 5, casing rod preformed hole, 6, pile pulling casing, 7, steel construction slope protection pile rod preformed hole, 8, casing bait, 9, liquid
Press jack, 10, pile pulling rack pin hole, 11, bury backplate, 12, ball-screw nut, 13, bury guard bar, 14, tapered steel
Structure slope protection pile, 15, pile pulling rack backplate, 16, jack connecting pin, 17, rod, 18, pile pulling rack, 19, crown beam, 20,
Jack base station, 21, foundation soil.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It please refers to shown in Fig. 1-5, a kind of pile extractor suitable for having enough to meet the need formed steel construction slope protection pile, including 18 He of pile pulling rack
Pile pulling casing 6 is equipped with pile pulling rack backplate 15, four arms of angle of 15 top surface of pile pulling rack backplate at the top of the pile pulling rack 18
Edge is respectively provided with a pile pulling rack hole for hoist 4, and the edge of 15 top surface of pile pulling rack backplate is equipped with pile pulling rack pin
Hole 10, and the surrounding of 15 bottom of pile pulling rack backplate is respectively provided with the guard bar 13 that buries, the middle part of the guard bar 13 that buries
Four side medium positions of position to pile pulling rack backplate 15 are formed by Delta Region and are equipped with the backplate 11 that buries；The pile pulling shield
The lateral wall surrounding of cylinder 6 is respectively welded there are two casing bait plate 8, and the top two sides of the pile pulling casing 6 are respectively equipped with a shield
Cylinder rod preformed hole 5 is equipped with a rod 17 in two casing rod preformed holes 5；6 lateral wall of pile pulling casing and rolling
Screw nut 12 is slidably connected, and geometric dimension connection is carried out between the ball-screw nut 12 and pile pulling rack 18；
The pile pulling rack pin hole 10 is equipped with hydraulic jack 9, and one end of the hydraulic jack 9 passes through jack connecting pin
16 and pile pulling rack pin hole 10 be fastened in pile pulling rack 18, the other end of the hydraulic jack 9 is equipped with hydraulic thousand
Jin ejector pin follows closely connecting plate 1, and the hydraulic jack pin connecting plate 1 is placed between two ipsilateral casing bait plates 8, the liquid
Press the other end of jack 9 fixed across hydraulic jack pin connecting plate 1 and casing bait plate 8 by jack connecting pin 16
It is connected on pile pulling casing 6, one end that the hydraulic jack 9 is connected to pile pulling rack 18 is equipped with jack oil circuit 2, described
Jack oil circuit 2 connects jack base station 20；Taper steel construction slope protection pile 14, the tapered steel are equipped in the pile pulling casing 6
The position that casing rod preformed hole 5 is just being corresponded in structure slope protection pile 14 is equipped with steel construction slope protection pile rod preformed hole 7, the taper
The top of steel construction slope protection pile 14 is equipped with steel construction slope protection pile hole for hoist 3, and between each taper steel construction slope protection pile 14
It is linked together by crown beam 19, is ground between the gap of each taper steel construction slope protection pile 14 of 19 bottom of crown beam
Soil 21.
As a kind of technical optimization scheme of the invention, 9 horizontal cross of hydraulic jack is mounted on pile pulling rack shield
On plate 15.
As a kind of technical optimization scheme of the invention, geometric triangulation form is presented in the shape of the backplate 11 that buries, and
It is only installed at the positive bottom opposite sides of pile pulling rack backplate 15.
As a kind of technical optimization scheme of the invention, the pile pulling rack hole for hoist 4 is arranged four altogether, and uniformly sets up separately
In four corner edge portions of 15 top surface of pile pulling rack backplate.
As a kind of technical optimization scheme of the invention, the pile pulling rack hole for hoist 4 is arranged four altogether, and uniformly sets up separately
In four corner edge portions of 15 top surface of pile pulling rack backplate.
As a kind of technical optimization scheme of the invention, the outside diameter of section of the pile pulling casing 6 is less than the ball
The internal diameter of feed screw nut 12.
In the use of the present invention, firstly, pile pulling rack 18, pile pulling casing 6 and steel ball are connected to one by geometric dimension
It rises, completed assembled is at pile extractor.Pile extractor is inserted in 14 outside of taper steel construction slope protection pile before recycling, and pile pulling rack 18 is buried
In burying, counter-force is provided for entire pile pulling system, pile pulling rack 18, pile pulling casing 6 have connected integral in, steel ball at this time, then
Rod 17 is crossed into steel construction slope protection pile rod preformed hole 7 and casing rod preformed hole 5, jack connecting pin 16 is connected into liquid
Jack 9 and pile pulling rack 18 are pressed, other end installation is connected on casing bait plate 8.Then, liquid is connected by jack oil circuit 2
Jack 9 and jack base station 20 are pressed, starts hydraulic jack 9 later, then jack piston ejects, and pile pulling casing 6 is driven to revolve
Turn, due to ball-screw principle, pile pulling casing 6 will generate rotation and displacement vertically upward simultaneously, while pass through 17 band of rod
Mantle shape steel construction slope protection pile 14 generates rotation and displacement vertically upward.Due to the geometrical feature of pyramidal structure, 14 tapered steels
Structure slope protection pile retaining wall will be detached from the outside of slope protection pile, and pile pulling process terminates.Finally, being hung using crane connection steel construction slope protection pile
Hole 3 is filled, hanging out for taper steel construction slope protection pile 14 is completed.If in the range ability of jack ejection, taper steel construction slope protection pile
14 do not completely disengage with retaining wall on the outside of slope protection pile, can extract jack connecting pin 16, hydraulic jack 9 is changed move to it is remaining
Four pile pulling rack pin holes 10, continue to complete previous action, until protecting on the outside of taper steel construction slope protection pile 14 and slope protection pile
Wall completely disengages.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of pile extractor suitable for having enough to meet the need formed steel construction slope protection pile, including pile pulling rack (18) and pile pulling casing (6), special
Sign is：It is equipped with pile pulling rack backplate (15) at the top of the pile pulling rack (18), the four of pile pulling rack backplate (15) top surface
Corner edge is respectively provided with a pile pulling rack hole for hoist (4), and the edge of pile pulling rack backplate (15) top surface is equipped with pile pulling
Rack pin hole (10), and the surrounding of pile pulling rack backplate (15) bottom is respectively provided with the guard bar that buries (13), it is described enter
Four side medium positions of the medium position of native guard bar (13) to pile pulling rack backplate (15) be formed by Delta Region be equipped with into
Native backplate (11)；
The lateral wall surrounding of the pile pulling casing (6) is respectively welded there are two casing bait plate (8), the top of the pile pulling casing (6)
End two sides are respectively equipped with a casing rod preformed hole (5), are equipped with a rod in two casing rod preformed holes (5)
(17)；Pile pulling casing (6) lateral wall is slidably connected with ball-screw nut (12), the ball-screw nut (12)
Geometric dimension connection is carried out between pile pulling rack (18)；The pile pulling rack pin hole (10) is equipped with hydraulic jack (9),
One end of the hydraulic jack (9) is fastened on and is pulled out by jack connecting pin (16) and pile pulling rack pin hole (10)
In stake rack (18), the other end of the hydraulic jack (9) is equipped with hydraulic jack pin connecting plate (1), and described hydraulic thousand
Jin ejector pin nail connecting plate (1) is placed between two ipsilateral casing bait plates (8)；
The other end of the hydraulic jack (9) passes through hydraulic jack pin connecting plate by jack connecting pin (16)
(1) it is fixedly connected on pile pulling casing (6) with casing bait plate (8), the hydraulic jack (9) is connected to pile pulling rack (18)
One end is equipped with jack oil circuit (2), and the jack oil circuit (2) connects jack base station (20)；In the pile pulling casing (6)
Equipped with taper steel construction slope protection pile (14), casing rod preformed hole (5) is just being corresponded on the taper steel construction slope protection pile (14)
Position is equipped with steel construction slope protection pile rod preformed hole (7), and the top of the taper steel construction slope protection pile (14) is protected equipped with steel construction
Slope stake hole for hoist (3), and linked together between each taper steel construction slope protection pile (14) by crown beam (19), the crown beam
(19) it is between the gap of each taper steel construction slope protection pile (14) of bottom foundation soil (21).
2. a kind of pile extractor suitable for having enough to meet the need formed steel construction slope protection pile according to claim 1, it is characterised in that：It is described
Hydraulic jack (9) horizontal cross is mounted on pile pulling rack backplate (15).
3. a kind of pile extractor suitable for having enough to meet the need formed steel construction slope protection pile according to claim 1, it is characterised in that：It is described
Geometric triangulation form is presented in the shape of backplate (11) of burying, and is only installed at pile pulling rack backplate (15) positive bottom with respect to two
Side.
4. a kind of pile extractor suitable for having enough to meet the need formed steel construction slope protection pile according to claim 1, it is characterised in that：It is described
Pile pulling rack hole for hoist (4) is arranged four altogether, and uniformly sets up four corner edge portions in pile pulling rack backplate (15) top surface separately.
5. a kind of pile extractor suitable for having enough to meet the need formed steel construction slope protection pile according to claim 1, it is characterised in that：It is described
Steel construction slope protection pile hole for hoist (3) setting is in the one piece of horizontal axis in taper steel construction slope protection pile (14) top along tapered steel knot
On the steel plate of structure slope protection pile (14) horizontal cross-section diameter welding, and two steel construction slope protection pile holes for hoist (3) are evenly distributed on steel
Board ends.
6. a kind of pile extractor suitable for having enough to meet the need formed steel construction slope protection pile according to claim 1, it is characterised in that：It is described
The outside diameter of section of pile pulling casing (6) is less than the internal diameter of the ball-screw nut (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986264.7A CN108894225B (en) | 2018-08-28 | 2018-08-28 | Pile puller suitable for turnover steel structure protects slope stake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986264.7A CN108894225B (en) | 2018-08-28 | 2018-08-28 | Pile puller suitable for turnover steel structure protects slope stake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108894225A true CN108894225A (en) | 2018-11-27 |
| CN108894225B CN108894225B (en) | 2023-05-26 |
Family
ID=64358973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810986264.7A Active CN108894225B (en) | 2018-08-28 | 2018-08-28 | Pile puller suitable for turnover steel structure protects slope stake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108894225B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067248A (en) * | 2019-05-21 | 2019-07-30 | 中铁建设集团有限公司 | Elevator system and construction method suitable for deep basal pit load-carrying vehicle vertical transport |
| CN116479867A (en) * | 2023-05-15 | 2023-07-25 | 中国水利水电第十二工程局有限公司 | Bridge pile foundation construction method for water conservancy construction environment protection |
| CN116571535A (en) * | 2023-04-20 | 2023-08-11 | 中铁建工集团有限公司 | Pulling-resistant pile steel pipe fitting recycling device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202401479U (en) * | 2011-11-16 | 2012-08-29 | 中石油东北炼化工程有限公司吉林设计院 | Vertical anti-pulling static load test device for single pile |
| CN106759302A (en) * | 2017-01-17 | 2017-05-31 | 上海智富建设工程有限公司 | One kind expansion uplift pile and its construction machinery and construction technology |
| CN106759341A (en) * | 2016-11-30 | 2017-05-31 | 中国冶集团有限公司 | A kind of hydraulic jaw type pile-drawing machine and pile extracting method |
| CN107059872A (en) * | 2017-04-01 | 2017-08-18 | 南京瑞迪建设科技有限公司 | Oblique cord pile extracting method and oblique cord pile pulling system |
| CN208917837U (en) * | 2018-08-28 | 2019-05-31 | 中铁建设集团有限公司 | A kind of pile extractor suitable for having enough to meet the need formed steel construction slope protection pile |
-
2018
- 2018-08-28 CN CN201810986264.7A patent/CN108894225B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202401479U (en) * | 2011-11-16 | 2012-08-29 | 中石油东北炼化工程有限公司吉林设计院 | Vertical anti-pulling static load test device for single pile |
| CN106759341A (en) * | 2016-11-30 | 2017-05-31 | 中国冶集团有限公司 | A kind of hydraulic jaw type pile-drawing machine and pile extracting method |
| CN106759302A (en) * | 2017-01-17 | 2017-05-31 | 上海智富建设工程有限公司 | One kind expansion uplift pile and its construction machinery and construction technology |
| CN107059872A (en) * | 2017-04-01 | 2017-08-18 | 南京瑞迪建设科技有限公司 | Oblique cord pile extracting method and oblique cord pile pulling system |
| CN208917837U (en) * | 2018-08-28 | 2019-05-31 | 中铁建设集团有限公司 | A kind of pile extractor suitable for having enough to meet the need formed steel construction slope protection pile |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067248A (en) * | 2019-05-21 | 2019-07-30 | 中铁建设集团有限公司 | Elevator system and construction method suitable for deep basal pit load-carrying vehicle vertical transport |
| CN110067248B (en) * | 2019-05-21 | 2024-01-30 | 中铁建设集团有限公司 | Elevator system suitable for vertical transportation of deep foundation pit loading vehicle and construction method |
| CN116571535A (en) * | 2023-04-20 | 2023-08-11 | 中铁建工集团有限公司 | Pulling-resistant pile steel pipe fitting recycling device and method |
| CN116571535B (en) * | 2023-04-20 | 2023-10-27 | 中铁建工集团有限公司 | Pulling-resistant pile steel pipe fitting recycling device and method |
| CN116479867A (en) * | 2023-05-15 | 2023-07-25 | 中国水利水电第十二工程局有限公司 | Bridge pile foundation construction method for water conservancy construction environment protection |
| CN116479867B (en) * | 2023-05-15 | 2024-03-26 | 中国水利水电第十二工程局有限公司 | Bridge pile foundation construction method for water conservancy construction environment protection |
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|---|---|
| CN108894225B (en) | 2023-05-26 |
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