CN107780408B - Concrete tubular pile device and its construction method - Google Patents
Concrete tubular pile device and its construction method Download PDFInfo
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- CN107780408B CN107780408B CN201710848118.3A CN201710848118A CN107780408B CN 107780408 B CN107780408 B CN 107780408B CN 201710848118 A CN201710848118 A CN 201710848118A CN 107780408 B CN107780408 B CN 107780408B
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- pile
- chamber
- drive rod
- pile body
- drive
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- 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
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/04—Guide devices; Guide frames
Abstract
The invention discloses a kind of concrete tubular pile device and its construction method, including pile body, inside has the chamber being in communication with the outside；Pipe pile head is connected to the end of pile body and can rotate with respect to pile body, the accommodation groove with chamber is offered inside the pipe pile head；Driving mechanism, including being arranged in the driving portion that in chamber and the drive rod of axial displacement can occurs along chamber and the opposite pile body of pipe pile head can be driven to rotate during axially reciprocating along chamber by drive rod, the driving portion includes several second drive blocks on several first drive blocks being evenly arranged on accommodation groove inner wall and uniformly distributed drive rod outer wall, first drive block has lozenges, second drive block has a front end, the front end can force on lozenges the rotation for driving pipe pile head, entire concrete tubular pile device significantly reduces the resistance between ground in a manner of rotatable engagement linear advancement, improve construction efficiency.
Description
Technical field
The present invention relates to a kind of prefabricated pile applied in soft base engineering, in particular to a kind of concrete tubular pile device and its
Construction method.
Background technique
Tubular pole is a kind of prefabricated engineering pile, is mainly used for pile foundation engineering, can be improved the bearing capacity of ground and basis, mesh
Preceding is commonly mainly prestressed high-strength concrete pile.The construction method of concrete tubular pile is beaten in the prior art
Method, rotation plunging, inner excavated method etc., in these construction methods, tubular pole will receive ground resistance.
Traditional tubular pole shape is mostly linear type, and tubular pole front end only will receive the resistance of the pressure-bearing on pure section in construction in the early stage
Power, after piling length, sand, which enters inside tubular pole, causes the frictional force between the inner peripheral surface of tubular pole and ground to increase
Difficulty of construction is caused just to greatly improve greatly.
Summary of the invention
The first purpose of the invention is to provide a kind of concrete tubular pile devices, and end can when by external axial force
It is rotated, frictional force of the tubular pole between progradation circumferential surface and ground can be greatly decreased, improve construction efficiency.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of concrete tubular pile device, comprising:
Pile body, inside have the chamber being in communication with the outside；
Pipe pile head is connected to the end of pile body and can rotate with respect to pile body, offers inside the pipe pile head and chamber
The accommodation groove of room connection；
Driving mechanism, including be arranged in chamber and can occur along chamber axial displacement drive rod and can be by drive rod
Drive pipe pile head with respect to the driving portion that pile body rotates during axially reciprocating along chamber, the driving portion includes equal
Several second drive blocks of the cloth on several first drive blocks and uniformly distributed drive rod outer wall on accommodation groove inner wall, described first
Drive block has lozenges, and second drive block has a front end, and the front end can force in driving tube on lozenges
The rotation of pile crown.
By using above-mentioned technical proposal, when driving piles to concrete tubular pile device, drive rod will receive external work
Axial displacement firmly occurs along chamber, the second drive block front end along displacement process on drive rod impacts inside pipe pile head the
On the lozenges of two drive blocks, so that pipe pile head is circumferentially rotated by driving, drive rod is continuous in the form moved back and forth
Driving pipe pile head circumferentially rotates, so that entire tube adds propulsion mode to enter subsurface to rotate, reduces
Resistance during piling between ground reduces difficulty of construction lifting construction efficiency simultaneously.
Preferably, spiral blade, the rotation of the pipe pile head are additionally provided on the outer wall of the pipe pile head
Direction is identical as the drilling direction of blade.
By using above-mentioned technical proposal, spiral blade is set on pipe pile head outer wall first and more preferably reduces tubular pole
Resistance between the outer wall and subsurface soil of resistance, especially pipe pile head between head and ground, so that entire tubular pole device is in spiral shell
It revolves more smoothly in progradation；Secondly blade is pivoted about, at this time when being driven by pipe pile head with knife-edge leading end edge
Ground will receive the turning moment effect of blade, and blade will receive the direction reaction opposite with turning moment in turn, prevent
Only entire tubular pole device occurs eccentric, plays the role of certain correction, guarantees the quality of construction.
Preferably, the outer diameter of the blade is less than or equal to the outer diameter of pile body.
By using above-mentioned technical proposal, during screw propulsion, blade and ground exist centainly entire tubular pole device
Resistance, outer diameter more high surface area is bigger, and then will receive that resistance is also bigger, and will can be reduced after the reduced diameter of blade with
Resistance between ground, while part soil can be taken advantage of a situation in rotary course and push to the periphery of pile body, Jin Erzhuan by blade
Body can be reduced the resistance between soil in progradation, preferably improve construction efficiency.
Preferably, be provided in the chamber force drive rod always and have it is de- from the chamber side far from pipe pile head
From elastic component, the end of the drive rod is extended out of pile body chamber.
By using above-mentioned technical proposal, drive rod can be resetted under the action of the elastic member after every Secondary Shocks, be protected
Demonstrate,prove the impact of next time, and the end of drive rod will stretch out in the end face of pile body and to act on the axial force of tubular pole device first
It can impact on drive rod, so that pipe pile head rotates in a circumferential direction before axially promoting with respect to tubular pole, while preliminary drive is entire
Tubular pole device carries out axial displacement, and hereafter pile body is substantially carried out axial propulsion by axial force again, improves construction efficiency.
Preferably, deviation correction mechanism is additionally provided in the pile body, the deviation correction mechanism includes that at least one is set in
On drive rod and the correction part axially stacked along drive rod, the correction part include the sealing abutted with drive rod outer wall and
Forcing sealing always has the backlash compensation portion of past drive rod side movement tendency.
By using above-mentioned technical proposal, during driving piles to entire tubular pole, external impact force must be in addition to
Intensity speed outer greatly must also be fast, and drive rod wants small with respect to the diameter of pile body, is easy to occur in axial displacement eccentric existing
As drive rod is held tightly using multiple correction parts at this time, is close to by the sealing on correction part with the outer wall of drive rod, first
Actuator guiding performance is improved, secondly chamber is isolated from the outside, rubbish incidental is reduced and enters in pile body, influence subsequent filling
Dress construction improves construction quality, and the backlash compensation portion connecting with sealing is finally also utilized to guarantee that sealing is tightly attached to driving always
The outside of part remains that drive rod is in chamber using backlash compensation portion elastic force while improving cavity seal
Good correction is played the role of in heart position, improves construction quality.
Preferably, the backlash compensation portion includes at least one inverted V shaped bellows segment.
By using above-mentioned technical proposal, the elastic force to sealing, of bellows segment are provided using V-shaped bellows segment
Number, and be adjustable gap is bigger, is applicable to different driving shank diameter and construction operating condition, reduces difficulty of construction.
Preferably, the correction part further includes the support portion being connected with backlash compensation portion, the lower end of the support portion
Face is provided with the clamping ring extended perpendicularly outward, and the upper surface of the support portion offers the limiting slot set for clamping ring card.
By using above-mentioned technical proposal, two adjacent correction parts are laminated mutually, and utilize the card on wherein one correction part
It connects ring card and sets the radial limit into both realizations in the limiting slot on adjacent correction part, improve entire deviation correction mechanism to driving
The guiding and correction performance of bar；Secondly the mutual card of adjacent two corrections part sets the compressive resistance that is laminated and can also improve in axial direction, improves
The service life of entire deviation correction mechanism.
Preferably, the pipe pile head includes the boss positioned at end, and the end of the pile body is offered for boss portion
The first mounting groove that partial volume is set is provided with thrust bearing between first mounting groove and boss；The pile body includes that setting exists
Two adjustment blocks of end, the adjustment block offer the second mounting groove for the accommodating of boss remainder.
By using above-mentioned technical proposal, the boss in pipe pile head is fastened on respectively between pile body and two adjustment blocks, first
Realize the relative rotation between pipe pile head and pile body；Secondly relative friction between pipe pile head and pile body is reduced using thrust bearing
Abrasion, while two thrust bearings are able to bear large axial force, improve the service life of entire tubular pole device, and it is arranged two
Seperated adjustment block is other than for boss, moreover it is possible to play the positioning to boss level, pass through design different roughness or section
Shape carrys out the problem of complementary boss machining accuracy, and then improves the precision of pipe pile head rotation, prevents eccentric rotary, improves
Construction quality.
A second object of the present invention is to provide a kind of construction methods using concrete tubular pile device, are promoted using rotation
Frictional force of the tubular pole between progradation circumferential surface and ground is greatly decreased in mode, improves construction efficiency.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of construction method using the concrete tubular pile device, comprising the following steps:
Step 1, measuring stake position: stake position unwrapping wire should control stake according to place and be discharged, and when stake position unwrapping wire should be according to design
It is required that, it is first determined subsurface 500mm is squeezed into bamboo stick, with quick lime line in stake position center by the position relative coordinate of stake
Stake diameter is drawn a circle to approve；
Step 2, stake machine are in place: using diesel pile driver, concrete tubular pile device is hung in piling machine, pipe pile head is determined
Positioned at stake position center；
Step 3, piling: after concrete tubular pile device positioning, start pile sinking, pile monkey and pile body and pipe pile head center line weight
It closes, pile monkey impacts drive rod first during piling, so that drive rod is quickly retracted into the chamber of pile body, on drive rod
The front end of second drive block, which is applied on the lozenges of the first drive block, squeezes the first drive block, pushes pipe pile head with respect to pile body
It rotates, while pile monkey impacts integrated pushing concrete tubular pile device on pile body and is driven underground, hammering is repeated in pile monkey
Until concrete tubular pile device reaches elevation location；
Step 4 fills concrete: filling out encapsulating base concrete to chamber, and tap pile body to stick coagulation in chamber inner wall
Soil vibration is lower and concrete vibrating is closely knit；
Step 5, pile crown cutting: the earthwork is dug to substrate designed elevation, and extra pile body is cut or chisel is to than basic bottom
Absolute altitude is higher by 100mm.
By using above-mentioned technical proposal, using hammering method when driving piles to concrete tubular pile device, pile monkey first
Impacting makes it that pipe pile head be driven to rotate in advance with respect to pile body on drive rod, then work as the end of drive rod completely into arriving
The end that pile monkey impacts pile body after in the chamber of pile body makes entire concrete tubular pile device carry out axial propulsion, due to pile monkey
Impact force and impact velocity it is very fast, the rotation and the propulsion of entire concrete tubular pile device of pipe pile head almost carry out simultaneously,
Concrete tubular pile device is significantly reduced during piling with resistance between ground, while also improving construction efficiency.
In conclusion the invention has the following advantages:
1, the intracorporal drive rod of stake, and the axial fortune reciprocal in chamber using the drive rod are threaded through by being arranged one
Dynamic, driving pipe pile head is rotated relative to pile body, while axial propulsion occurs under impact for pile body, with rotatable engagement linear advancement
Mode significantly reduces the resistance between ground, improves construction efficiency；
2, the blade being arranged in the shape of a spiral on pipe pile head outer wall is cooperated effectively to prevent by the way that deviation correction mechanism is arranged in pile body
Stop the eccentric phenomena generated in entire tubular pole device axial direction progradation, improves construction quality.
Detailed description of the invention
Fig. 1 is the cross-sectional view of concrete tubular pile device in embodiment one；
Fig. 2 is the decomposition diagram that concrete tubular pile device is in each component on a wherein visual angle in embodiment one；
Fig. 3 is the decomposition diagram that concrete tubular pile device is in each component on another visual angle in embodiment one；
Fig. 4 is the top view of pipe pile head in embodiment one；
Fig. 5 is the structural schematic diagram of the second drive block on drive rod in embodiment one；
Fig. 6 is the scheme of installation in embodiment one between multiple correction parts and drive rod.
In figure: 1, pile body；11, chamber；12, correction slot；13, gland；14, the first mounting groove；15, adjustment block；151,
Two mounting grooves；2, pipe pile head；21, blade；22, accommodation groove；23, the first drive block；231, lozenges；24, boss；3, it drives
Bar；31, block is abutted；32, mobile limited block；33, the second drive block；331, front end；4, deviation correction mechanism；41, correction part；411,
Support portion；412, backlash compensation portion；413, sealing；414, it is clamped ring；415, limiting slot；5, elastic component；6, thrust bearing.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment one
Refering to fig. 1, a kind of concrete tubular pile device including cylindrical pile body 1 and is connected to 1 lower end of pile body and can phase
The pipe pile head 2 to rotate to pile body 1.The rounded chamber 11 in section, the lower end and outside of chamber 11 are offered inside pile body 1
Connection, the upper end of chamber 11 are communicated with the rounded correction slot 12 in same section, and the diameter of correction slot 12 is greater than chamber 11
Diameter both to form a cascaded surface in junction, is equipped with deviation correction mechanism 4 in slot 12 of rectifying a deviation, deviation correction mechanism 4 by with stake
The gland 13 of 1 upper surface of body connection carries out axial limiting.
Concrete tubular pile device further includes a driving mechanism, which includes the cylindrical drive rod in section 3,
Drive rod 3 is arranged in chamber 11 and can be along the axially displaced of chamber 11, and furthermore the upper part of drive rod 3 is from chamber 11
Inside extend, entire deviation correction mechanism 4 is connected to the upper part of drive rod 3.
Jointly refering to fig. 1 to Fig. 3, the upper end of pipe pile head 2 has a circular boss 24 and sets on the outer wall of pipe pile head 2
It is equipped with spiral blade 21, specific 21 hand of spiral of blade is right-hand screw, i.e. the precession direction A of pipe pile head 2 is up time
Needle direction.In addition, 21 outer diameter D 1 of blade is equal to or less than 1 outer diameter D 2 of pile body, 21 outer diameter D 1 of so-called blade and pile body 1 herein
Outer diameter D 2 refers to the maximum line distance of two o'clock in the floor projection outer rim of blade 21 or pile body 1.
It is open and rounded section accommodation groove 22, pipe pile head 2 that the inside of pipe pile head 2, which is offered towards 1 side of pile body,
Accommodation groove 22 is interconnected with chamber 11 after connecting with pile body 1, the diameter phase of the diameter and chamber 11 of special accommodation groove 22
Together, drive rod 3 can enter in accommodation groove 22 its end when being subjected to displacement along chamber 11.
Pile body 1 is equipped with thrust in first mounting groove 14 towards the first mounting groove 14 is offered on an end face of pipe pile head 2
Bearing 6, the upper surface of boss 24 are connected on thrust bearing 6, and the partial receipt of boss 24 is in the first mounting groove 14；Boss
24 are exposed to the partial receipt of the first mounting groove 14 in the second mounting groove 151 that two adjustment blocks 15 are opened up, two adjustment blocks 15
It for mirror settings, is fixed on by screw at the lower end surface of pile body 1, realizes the connection of pipe pile head 2 and pile body 1.
Drive rod 3 is also arranged with an elastic component 5 on its external wall, which is preferably compressed spring, wherein elastic component
5 one end is connected on the abutting block 31 being made into integration with drive rod 3, and the other end, which is connected to, is fixed on chamber by welding manner
At mobile limited block 32 on 11 inner walls, both block 31 and mobile limited block 32 being limited in elastic component 5 in chamber 11 are abutted；
In addition, mobile limited block 32 determines the decrement of 5 original state of elastic component in the vertical height position in chamber 11, this place
The original state reference elastic component 5 of meaning is not in the case where by any external force.
Jointly refering to Fig. 2, Fig. 4 and Fig. 5, driving mechanism further includes a driving portion, and driving portion includes being uniformly arranged on accommodating
Four piece of first drive block 23 on 22 inner wall of slot and the second drive block 33, Duo Ge being uniformly arranged on 3 outer wall of drive rod
One drive block 23 is in same level, and same multiple second drive blocks 33 are in same level.First drive block 23
With a lozenges 231, lozenges 231 is tilted by the end of pipe pile head 2 towards 24 1 side direction of boss.Second drive block 33 packet
The front end 331 towards 2 side of pipe pile head is included, the section of the front end 331 is roughly triangular, and drive rod 3 is along chamber 11
When axial displacement occurs, above-mentioned front end 331 can be impacted on the lozenges 231 of the first drive block 23, force the first driving
Block 23 drives entire pipe pile head 2 to be rotated according to precession direction A.Particularly, the first drive block 23 and the second drive block 33
Quantity influences the angle that pipe pile head 2 rotates every time.
Refering to Fig. 6, deviation correction mechanism 4 includes multiple correction parts 41 being laminated mutually, which includes cylindrical
Support portion 411 is connected to the lower section of support portion 411 and the backlash compensation portion 412 extended inward and joint gap compensation section 412
On sealing 413, wherein sealing 413 is made of elastic material, and is close to the external of drive rod 3.Under support portion 411
Clamping ring 414 is provided on end face, the upper surface of support portion 411, which is offered, blocks the limiting slot 415 set for clamping ring 414, multiple
Correction part 41 plays positioning and radial position-limiting action using the cooperation of clamping ring 414 and limiting slot 415.
Embodiment two
A kind of construction method using concrete tubular pile device in embodiment one, specifically includes the following steps:
Step 1, measuring stake position
Stake position unwrapping wire should control stake according to place and be discharged, and when stake position unwrapping wire should be according to design requirement, it is first determined stake
Position relative coordinate, subsurface 500mm is squeezed into bamboo stick in stake position center, is drawn a circle to approve stake diameter with quick lime line, simultaneously
Subsurface 500mm is as substrate absolute altitude.
Step 2, stake machine are in place
Using diesel pile driver, concrete tubular pile device is hung in piling machine, pipe pile head 2 is positioned at stake position center.
Step 3, piling
After concrete tubular pile device positioning, start pile sinking, pile monkey is overlapped with pile body 1 and 2 center line of pipe pile head, process of driving piles
Middle pile monkey impacts drive rod 3 first, so that drive rod 3 is quickly retracted into the chamber 11 of pile body 1, second on drive rod 3
The front end 331 of drive block 33 is applied on the lozenges 231 of the first drive block 23 and squeezes the first drive block 23, pushes tubular pole
First 2 opposite pile bodies 1 rotate, while pile monkey impacts integrated pushing concrete tubular pile device on pile body 1 and is driven underground, pile monkey
Hammering is repeated until concrete tubular pile device reaches absolute altitude in Rapid reset under the action of elastic component 5 of drive rod 3 after lifting
Position, and finally hammer is received according to the ceasing driving standard that design and test pile determine.
Step 4 fills concrete
The deviation correction mechanism 4 for removing gland 13 and being mounted in pile body 1 fills out encapsulating base concrete to chamber 11, and simultaneously
Percussion pile body 1 will stick under the concrete vibration of 11 inner wall of chamber and concrete vibrating is closely knit.
Step 5, pile crown cutting
The earthwork is dug to substrate designed elevation, and extra pile body 1 and drive rod 3 are cut or chisel is extremely higher by than substrate absolute altitude
100mm。
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (8)
1. a kind of concrete tubular pile device characterized by comprising
Pile body (1), inside have the chamber (11) being in communication with the outside；
Pipe pile head (2) is connected to the end of pile body (1) and can rotate with respect to pile body (1), opens inside the pipe pile head (2)
Equipped with the accommodation groove (22) being connected to chamber (11)；
Driving mechanism, including be arranged in chamber (11) and can along chamber (11) generation axial displacement drive rod (3) and can
Drive pipe pile head (2) with respect to the drive that pile body (1) rotates during axially reciprocating along chamber (11) by drive rod (3)
Dynamic portion, the driving portion include several first drive blocks (23) being evenly arranged on accommodation groove (22) inner wall and uniformly distributed drive rod
(3) several second drive blocks (33) on outer wall, first drive block (23) have lozenges (231), second driving
Block (33) has a front end (331), and the front end (331), which can force on lozenges (231), drives turning for pipe pile head (2)
It is dynamic.
2. concrete tubular pile device according to claim 1, which is characterized in that also set on the outer wall of the pipe pile head (2)
It is equipped with spiral blade (21), the direction of rotation of the pipe pile head (2) is identical as the drilling direction of blade (21).
3. concrete tubular pile device according to claim 2, which is characterized in that the outer diameter of the blade (21) be less than or
Equal to the outer diameter of pile body (1).
4. concrete tubular pile device according to claim 1, which is characterized in that be provided in the chamber (11) and force drive
Lever (3) has the elastic component (5) being detached from from chamber (11) side far from pipe pile head (2), the end of the drive rod (3) always
Extend out of pile body (1) chamber (11) in portion.
5. concrete tubular pile device according to claim 1, which is characterized in that be additionally provided with correction in the pile body (1)
Mechanism (4), the deviation correction mechanism (4) include that at least one is set on drive rod (3) and entangles along drive rod (3) is axially stacked
Inclined part (41), correction part (41) include the sealing (413) abutted with drive rod (3) outer wall and force sealing
(413) there is the backlash compensation portion (412) toward drive rod (3) periphery wall side movement tendency always；
The backlash compensation portion (412) includes at least one inverted V shaped bellows segment.
6. concrete tubular pile device according to claim 5, which is characterized in that the correction part (41) further includes and gap
The connected support portion (411) of compensation section (412), the lower end surface of the support portion (411) is provided with the clamping extended perpendicularly outward
Ring (414), the upper surface of the support portion (411), which is offered, blocks the limiting slot (415) set for clamping ring (414).
7. concrete tubular pile device according to claim 1, which is characterized in that the pipe pile head (2) includes being located at end
Boss (24), the end of the pile body (1) offer for boss (24) part accommodating the first mounting groove (14), described first
Thrust bearing (6) are provided between mounting groove (14) and boss (24)；The pile body (1) includes two adjustment blocks that end is arranged in
(15), the adjustment block (15) offers the second mounting groove (151) for the accommodating of boss (24) remainder.
8. a kind of construction method using concrete tubular pile device as claimed in any one of claims 1 to 7, which is characterized in that packet
Include following steps:
Step 1, measuring stake position: stake position unwrapping wire should control stake according to place and be discharged, when the unwrapping wire of stake position should according to design requirement,
The position relative coordinate for determining stake first, squeezes into subsurface 500mm with bamboo stick for stake position center, with quick lime line by stake
Diameter delineation, while subsurface 500mm is as substrate absolute altitude；
Step 2, stake machine are in place: diesel pile driver used, concrete tubular pile device is hung in piling machine, pipe pile head (2) are fixed
Positioned at stake position center；
Step 3, piling: after concrete tubular pile device positioning, start pile sinking, pile monkey and pile body (1) and pipe pile head (2) center line weight
It closes, pile monkey impacts drive rod (3) first during piling, so that drive rod (3) is quickly retracted into the chamber (11) of pile body (1)
Interior, the front end (331) of the second drive block (33) on drive rod (3) is applied to the lozenges (231) of the first drive block (23)
The first drive block of upper extruding (23) pushes pipe pile head (2) to rotate with respect to pile body (1), while pile monkey impacts on pile body (1)
Integrated pushing concrete tubular pile device is driven underground, and hammering is repeated until concrete tubular pile device reaches absolute altitude position in pile monkey
It sets；
Step 4 fills concrete: filling out encapsulating base concrete into chamber (11), and taps pile body (1), will stick in chamber (11)
The concrete vibration of inner wall is lower and concrete vibrating is closely knit；
Step 5, pile crown cutting: the earthwork is dug to substrate designed elevation, beyond absolute altitude pile body (1) part cut or chisel to than
Substrate absolute altitude is higher by 100mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710848118.3A CN107780408B (en) | 2017-09-19 | 2017-09-19 | Concrete tubular pile device and its construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710848118.3A CN107780408B (en) | 2017-09-19 | 2017-09-19 | Concrete tubular pile device and its construction method |
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| CN107780408A CN107780408A (en) | 2018-03-09 |
| CN107780408B true CN107780408B (en) | 2019-08-20 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109458047A (en) * | 2018-12-31 | 2019-03-12 | 浙江嘉宏运动器材有限公司 | Mechanism of driving piles and piling machine |
| CN110258595B (en) * | 2019-07-04 | 2020-11-24 | 华北水利水电大学 | Anti-slide pile |
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| CN102383429A (en) * | 2011-01-18 | 2012-03-21 | 上海城地建设发展有限公司 | Device for sinking pile while digging soil in center of large-diameter pipe pile and use method thereof |
| JP4903620B2 (en) * | 2007-04-06 | 2012-03-28 | 新日本製鐵株式会社 | Excavation device for pile construction and pile construction method |
| CN104727323A (en) * | 2015-03-25 | 2015-06-24 | 张继红 | Self-drilling steel pipe pile continuous wall construction method and steel pipe pile continuous wall used in self-drilling steel pipe pile continuous wall construction method |
| US9587362B2 (en) * | 2005-03-02 | 2017-03-07 | Steve Neville | Systems and methods for coupling a drill rig to a screw pile |
| CN106869125A (en) * | 2017-03-23 | 2017-06-20 | 孙康 | A kind of steel pipe pile construction method |
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|---|---|---|---|---|
| US9587362B2 (en) * | 2005-03-02 | 2017-03-07 | Steve Neville | Systems and methods for coupling a drill rig to a screw pile |
| JP4903620B2 (en) * | 2007-04-06 | 2012-03-28 | 新日本製鐵株式会社 | Excavation device for pile construction and pile construction method |
| CN102383429A (en) * | 2011-01-18 | 2012-03-21 | 上海城地建设发展有限公司 | Device for sinking pile while digging soil in center of large-diameter pipe pile and use method thereof |
| CN104727323A (en) * | 2015-03-25 | 2015-06-24 | 张继红 | Self-drilling steel pipe pile continuous wall construction method and steel pipe pile continuous wall used in self-drilling steel pipe pile continuous wall construction method |
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