CN107386270A - A kind of embedding rock single pile and its construction system and construction method - Google Patents
A kind of embedding rock single pile and its construction system and construction method Download PDFInfo
- Publication number
- CN107386270A CN107386270A CN201710796942.9A CN201710796942A CN107386270A CN 107386270 A CN107386270 A CN 107386270A CN 201710796942 A CN201710796942 A CN 201710796942A CN 107386270 A CN107386270 A CN 107386270A
- Authority
- CN
- China
- Prior art keywords
- stake holes
- pile body
- pile
- mud
- backfilling material
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Classifications
-
- 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
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
- E02D27/425—Foundations for poles, masts or chimneys specially adapted for wind motors masts
Abstract
The invention discloses a kind of embedding rock single pile and its construction system and construction method, the embedding rock single pile includes pile body and stake holes;The pile body is tubulose;The stake holes is extended to inside rock stratum from earthing layer surface, and the stake holes is located at external diameter of the diameter more than the pile body of rock stratum interior location;Backfilling material is filled with the stake holes;The pile body is squeezed into fixed in the backfilling material.Embedding rock single pile provided by the invention be initially formed backfill layer again by pile body squeeze into backfill layer consolidate, compared in background technology first by pile body squeeze into rock stratum be in the milk again it is firm for, the problem of the problem of work progress pile body interference grouting operation can effectively be evaded and grouting material are costly, and reduce difficulty of construction.In addition, the backfilling material that embedding rock single pile provided by the invention uses includes stake holes boring mud, beneficial to raising backfilling material intensity and construction economy.
Description
Technical field
The present invention relates to wind-powered electricity generation pile foundation technology field, more particularly to a kind of embedding rock single pile and its construction system and construction party
Method.
Background technology
The marine site of some complex geologic conditions, superficial layer are mostly overburden layer, and soil property is more soft, are built on these marine sites
Wind Power Project pile foundation if only embedded overburden layer, be unable to reach support demand, thus, be built on these marine sites
The pile foundation of Wind Power Project also need in the embedded rock stratum buried under overburden layer, embedded rock pile is formed, to meet offshore wind farm
The support demand of project.
In the prior art, need to squeeze into mark by repeatedly drilling and piling, pile body during above-mentioned Pile
Gao Hou, then grouting solidification is carried out, construction operation cycle length.Particularly with the single-pile foundation used in current offshore wind farm project
Speech, often stake footpath is larger, and the generation type of above-mentioned drilling piling is difficult smoothly to implement.
In addition, in above-mentioned technical proposal, due to work progress underwater operation, thus need to use and be applied to underwater grouting
Material, this kind of grouting material are costly compared to land grouting material, moreover, underwater grouting difficulty of construction is big, grouting effect is paid no attention to
Think, cause the problems such as offshore construction activity duration is long, construction risk is higher.
In view of this, a kind of embedding rock single pile how is developed, makes its easy construction, efficient, economy, is those skilled in the art
The technical issues that need to address.
The content of the invention
To solve the above problems, the present invention provides a kind of embedding rock single pile, its embedded rock layer surface is covered with overburden layer.It is described
Embedding rock single pile includes pile body and stake holes;The pile body is tubulose;The stake holes is extended to inside rock stratum from earthing layer surface,
And the stake holes is located at external diameter of the diameter more than the pile body of rock stratum interior location;Backfilling material is filled with the stake holes;
The pile body is squeezed into fixed in the backfilling material.
Embedding rock single pile provided by the invention, stake holes are located at external diameter of the diameter more than the pile body of rock stratum interior location,
And backfilling material is inserted in stake holes, pile body is squeezed into backfilling material, and pile body directly is squeezed into rock stratum compared in background technology
For, pile body is squeezed into difficulty and effectively reduced, and once drills in place, for repeatedly being drilled in background technology, construction
Cycle effectively shortens.
Also, embedding rock single pile provided by the invention be initially formed backfill layer again by pile body squeeze into backfill layer consolidate, compared to the back of the body
In scape technology first by pile body squeeze into rock stratum be in the milk again it is firm for, can effectively evade work progress pile body interference grouting behaviour
The problem of the problem of making and costly grouting material, make easy construction economy, and beneficial to the formation matter for ensureing embedding rock single pile
Amount.
Alternatively, the backfilling material includes being drilled with the boring mud discharged during the stake holes and cement and admixture.
The present invention also provides a kind of construction method, and for the construction of above-mentioned embedding rock single pile, the construction method includes following
Step:
Step S1, the steel pile casting of above-mentioned pile body or auxiliary construction is squeezed into rock layer surface from earthing layer surface, makes institute
State the insulating space for being formed in pile body or steel pile casting and being isolated with seawater;
Step S2, from inside overburden layer surface drilling to the rock stratum being located in the insulating space, to form above-mentioned stake holes;
Step S3, backfilling material is inserted into the stake holes;
Step S4, the pile body is squeezed into the backfilling material with fixation.
Alternatively, in step s 2, it is passed through during drilling into the stake holes and takes slag mud, is taken slag mud and carry boring mud outflow
The stake holes;The mixture for taking slag mud and boring mud for flowing out the stake holes is separated into two parts, and a part is used to being formed described
Backfilling material, another part are used as taking slag mud.
The present invention also provides a kind of construction system, and for the construction of above-mentioned embedding rock single pile, the construction system includes:
Piling equipment, the steel pile casting of above-mentioned pile body or auxiliary construction is squeezed into rock layer surface from earthing layer surface, made
The insulating space isolated with seawater is formed in the pile body or steel pile casting;
Rig, the earthing layer surface being seated in pile body or steel pile casting, drills to rock stratum, to form above-mentioned stake holes;
Backfilling apparatus, backfilling material is inserted into the stake holes;The pile body is squeezed into described return by the piling equipment
With fixation in filling chock material.
Alternatively, the construction system also includes sediment device;During the drill hole of drilling machine, it is passed through into the stake holes and takes slag
Mud, take slag mud and carry the boring mud inflow sediment device, and two parts are separated into the sediment device, a part is used
In forming the backfilling material, another part is used as taking slag mud.
Alternatively, dividing plate is provided with the sediment device, the sediment device is divided into sediment chamber by the dividing plate
Room and mud chamber, the mixture for taking slag mud and boring mud are passed through the sediment chamber;
The dividing plate is provided with check valve, and the slag mud of taking positioned at the sediment chamber top flows into through the check valve
The mud chamber.
Alternatively, the top of the dividing plate tilts to the mud chamber.
Alternatively, the backfilling apparatus includes conveyer belt and ejection section;The backfilling material is sent to through the conveyer belt
The ejection section, the stake holes is sprayed into by the ejection section.
Alternatively, the ejection section extends the stake holes bottom, rises in backfilling process with the rising on backfill surface.
Alternatively, axis rotating-spray of the ejection section around the stake holes.
Brief description of the drawings
Fig. 1 is the part-structure schematic diagram of construction system provided by the invention;
Fig. 2 is the enlarged diagram of sediment device shown in Fig. 1.
Reference is as follows in Fig. 1-Fig. 2:11 pile bodies, 12 stake holes, 13 backfilling materials, A overburden layers, B rock stratum, 21 sediments
Device, 22 backfilling apparatus, 211 dividing plates, 212 sediment chambers, 213 mud chambers, 214 check valves.
Embodiment
In order that those skilled in the art will better understand the technical solution of the present invention, below in conjunction with the accompanying drawings it is and specific real
Applying mode, the present invention is described in further detail.
Embedding rock single pile provided by the invention includes the stake holes 12 of pile body 11 described in pile body 11 and socket joint.The pile body
11 be tubulose.The stake holes 12 is extended to inside the B of rock stratum from overburden layer A surfaces, and the stake holes 12 is located inside the rock stratum
The diameter of position is more than the external diameter of the pile body.
Specifically, the stake holes 12 can include extending to the through hole of rock stratum B surface and from rock from overburden layer A surfaces
The counterbore that layer B surface is extended to inside the B of rock stratum, now, the internal diameter of the counterbore are more than the external diameter of the pile body 11.
Also, backfilling material 13 is filled with the stake holes 12, can be specifically filled on rock stratum B surface solid to increase
Stake effect.The pile body 11 is driven into the backfilling material 13 inside the B of rock stratum, that is to say, that is being installed
In the state of, one end of the pile body 11 is located inside the B of rock stratum, and is covered with backfilling material in the pile body 11 end pipe
13, also it is covered with backfilling material 13 between its pipe outer wall face and the wall of stake holes 12, so that pile body 11 is fixed on rock stratum B
It is interior.
Embedding rock single pile provided by the invention, the diameter that stake holes 12 is located at rock stratum B interior locations are more than the pile body 11
External diameter, and backfilling material 13 is inserted in stake holes 12, pile body 11 is squeezed into backfilling material 13, compared in background technology directly by stake
Body 11 is squeezed into for the B of rock stratum, and pile body 11 is squeezed into difficulty and effectively reduced, and is once drilled in place, compared in background technology
Repeatedly for drilling, construction period effectively shortens.
Also, embedding rock single pile provided by the invention be initially formed backfill layer again by pile body 11 squeeze into backfill layer consolidate, compare
In background technology first by pile body 11 squeeze into rock stratum B be in the milk again it is firm for, can effectively evade the interference of work progress pile body
The problem of the problem of grouting operation and costly grouting material, make easy construction economy, and beneficial to the embedding rock single pile of guarantee
Form quality.
Specifically, the backfilling material 13 includes being drilled with the boring mud discharged during stake holes and the cement subsequently added, blended
Expect (such as flyash) and loess, chemical addition agent etc..Majority is rock slag in boring mud, and itself has higher intensity, is added
Cement, admixture etc. can further improve the strength character of backfilling material 13, and backfilling material 13 is had pile body 11 can
The firm effect leaned on, so as to increase the bearing capacity of embedding rock single pile;And gather materials on the spot, saved the implementation of embedding rock single pile
Cost, improve economy.
The present invention also provides a kind of construction system and construction method of embedding rock single pile, and hereafter both are described in the lump.
Fig. 1 is refer to, Fig. 1 is the part-structure schematic diagram of construction system provided by the invention.
As shown in figure 1, the construction system includes piling equipment, rig and backfilling apparatus.Concrete construction method is:
Step S1 is carried out first, it is when overburden layer A is thicker, i.e., first sharp when pile body 11 squeezes into overburden layer A metapedes with steady stake
Pile body 11 is squeezed into rock stratum B surface from overburden layer A surfaces with piling equipment;Or when overburden layer A thickness is not enough to consolidate
When squeezing into the pile body 11 in it, it can use and be easy to firm steel pile casting, using piling equipment by steel pile casting from overburden layer A tables
Face is squeezed into rock stratum B surface.It should be appreciated that the deadweight of steel pile casting is light compared to pile body 11, it is more convenient for consolidating.Now, in stake sheet
Form in body 11 or in steel pile casting the insulating space being isolated with seawater.
This setup, on the one hand using the perisporium of pile body 11 or the perisporium insulating sea water of steel pile casting, in pipe
Insulating space is formed, in order to subsequent construction;On the other hand overburden layer A can be consolidated, collapse hole occurs during preventing from subsequently drilling
Influence construction speed and construction safety.
Carry out step S2 again, by rig be seated at weak soil inside pile body 11 or steel pile casting inwardly (illustrate to
Under) drilling is to rock stratum B surface, now, the top of the stake holes 12 is formed in overburden layer A, the upper diameter of the stake holes 12 with
The diameter of the pile body 11 is consistent;It is again from rock stratum B surface to internal drilling to inside it, forming the bottom of stake holes 12, i.e., above-mentioned
The stake holes 12 is located at the part inside the B of rock stratum, as described above, the lower diameter of the stake holes 12 is more than the pile body 11
Diameter.Now, stake holes 12 is overall is presented up-narrow and down-wide base expanding and base expanding shape.
This setup, when certain dip deviation occurs in the installation process of pile body 11, it still is able to and rock stratum B walls
Between have certain fitting allowance, so as to pile body 11 smoothly be embedded in stake holes 12 in;And telescopiny pile body can be evaded
11 outer wall rock stratum B wall transition frictions and the problem of strength reduction.
Then, step S3 is carried out, backfilling material 13 is inserted into stake holes 12 using backfilling apparatus 22, it will be appreciated that described
Backfilling material 13 should both have enough solid stake intensity, be easily embedded in compared to rock stratum B again.
Finally, step S4, the backfill for squeezing into the pile body 11 inside the B of rock stratum using the piling equipment are carried out
In material 13.Specifically, in the case that overburden layer A is thicker not using steel pile casting, pile body 11 is impacted directly down, until its
Sink down into default absolute altitude;, it is necessary to first extract steel pile casting in the case of using steel pile casting, pile body 11 is then impacted still further below,
Until it sinks down into default absolute altitude.
During piling, backfill and vibrated in the backfilling material 13 in stake holes 12 by pile body 11, so as to more closely knit,
Also, make backfilling material 13 and the interface of stake holes 12 disturbed uniformly, so as to evade stress concentration, further improve
The backfill quality of backfilling material 13.
Further, as shown in figure 1, the construction system also includes sediment device 21.In above-mentioned steps S2, the brill
During machine drill hole, it is passed through in stake holes 12 and takes slag mud, in the case where taking the mobilization of slag mud, boring mud is stirred, and with taking slag mud
It is mixed and flow to the sediment device 21, so that is cleared inside stake holes 12.Specifically, it can be opened on the drilling rod of rig
If slag inlet and brill chamber, the mixture for taking slag mud and boring mud enters brill chamber by the slag inlet, and passes through the brill chamber stream
Enter the sediment device 21.
Also, the mixture for taking slag mud and boring mud is separated into two parts in the sediment device 21, and a part is used for
The backfilling material 13 is formed, another part is used as taking slag mud, and the circulation of slag mud is taken so as to be formed, to continue to convey boring mud
Go out stake holes 12.
Fig. 2 is refer to, Fig. 2 is the enlarged diagram of sediment device shown in Fig. 1;
Specifically, as shown in Fig. 2 can be provided with dividing plate 211 in the sediment device 21, the dividing plate 211 is by described in
Sediment device 21 is divided into sediment chamber 212 and mud chamber 213, as illustrated, the chamber of left and right two, left side is sediment chamber
Room 212, right side are mud chamber 213.
Meanwhile check valve 214 is provided with the dividing plate 211, the above-mentioned mixture for taking slag mud and boring mud is passed through described
Sediment chamber 212.Slag mud of taking positioned at the top of sediment chamber 212 flows out to the mud through the check valve 214
Starch chamber 213.
It should be appreciated that be mud in the middle and upper part of sediment chamber 212, bottom is heavier rock slag, in the mud on top
Bulky grain is less, and proportion is moderate, is suitably passed through in stake holes 12, and slag mud is taken as carrying boring mud;And slag mud is taken at middle part
Containing more bulky grain thing, if being passed through stake holes 12, will be unable to effectively carry boring mud outflow stake holes 12.
Specifically, admixture (such as flyash), cement and loess, chemistry are added into above-mentioned sediment chamber 212
Additive etc., and it is used as above-mentioned backfilling material 13 after stirring.
Under this setup, the circulation for taking slag mud on the one hand can be realized;On the other hand, bulky grain can be isolated
Thing it is less take slag mud, make the sediment for remaining in sediment chamber 212 unlikely excessively dilute, so as not to influence subsequently with its formation
The quality of backfilling material 13.
Further, as shown in Fig. 2 the upper angled of the dividing plate 211 is to the mud chamber 213.This setup
Under, it is easy to take slag mud and flows to mud chamber 213 by self gravitation.
With continued reference to Fig. 1.
Specifically, the backfilling apparatus 22 includes conveyer belt and ejection section;Described conveyer belt one end is connected to the precipitation
Thing chamber 212, the other end are connected to the ejection section, and the backfilling material 13 is sent to the ejection section from the conveyer belt,
The stake holes 12 is sprayed into by the ejection section.Increase transmission efficiency is beneficial to using conveyer belt, and compared to for Pipe transfer, no
Easily block.
Further, the ejection section can be stretched in the stake holes 12, and being capable of the relatively described axially shifting of stake holes 12
Dynamic (diagram moves up and down).When spraying backfilling material 13 to stake holes 12, the surface of backfilling material 13 progressively moves up in stake holes 12, sprays
Portion is penetrated also to move up therewith.This setup, it is possible to achieve the successively backfill of backfilling material 13, layer by layer closely, beneficial to improving back
Matrix amount.
Further, the ejection section can rotate around the axis of stake holes 12, to realize rotating-spray, compared to unidirectional spray
Penetrate, the uniform backfill that the orientation of backfilling material 13 accumulates pinnacle, more conducively backfilling material 13 can be evaded.Certainly, in ejection section
Some spouts circumferentially are uniformly arranged, it is also possible in a manner of realizing and uniformly spray.
Embedding rock single pile provided by the present invention and its construction system and construction method are described in detail above.Herein
In apply specific case to the present invention principle and embodiment be set forth, the explanation of above example is only intended to help
Assistant solves the method and its core concept of the present invention.It should be pointed out that for those skilled in the art, not
On the premise of departing from the principle of the invention, some improvement and modification can also be carried out to the present invention, these are improved and modification is also fallen into
In the protection domain of the claims in the present invention.
Claims (11)
1. a kind of embedding rock single pile, its embedded rock stratum (B) surface is covered with overburden layer (A), it is characterised in that the embedding rock single pile bag
Include pile body (11) and stake holes (12);The pile body (11) is tubulose;The stake holes (12) extends to from overburden layer (A) surface
Rock stratum (B) is internal, and the stake holes (12) is located at the external diameter of the diameter more than the pile body (11) of rock stratum (B) interior location;
Backfilling material (13) is filled with the stake holes (12);The pile body (11) is squeezed into fixed in the backfilling material (13).
2. embedding rock single pile according to claim 1, it is characterised in that the backfilling material (13) includes being drilled with the stake holes
(12) boring mud and cement and admixture discharged when.
3. the construction method of the embedding rock single pile described in claim 1, it is characterised in that the construction method comprises the following steps:
Step S1, the steel pile casting of above-mentioned pile body (11) or auxiliary construction is squeezed into rock stratum (B) table from overburden layer (A) surface
Face, make to form the insulating space isolated with seawater in the pile body (11) or steel pile casting;
Step S2, it is internal from overburden layer (A) surface drilling in the insulating space to rock stratum (B), to form above-mentioned stake
Hole (12);
Step S3, backfilling material (13) is inserted to the stake holes (12) is interior;
Step S4, the pile body (11) is squeezed into the backfilling material (13) with fixation.
4. construction method according to claim 3, it is characterised in that in step s 2, to the stake holes (12) during drilling
Inside it is passed through and takes slag mud, takes slag mud and carry the boring mud outflow stake holes (12);Flow out the stake holes (12) take slag mud and
The mixture of boring mud is separated into two parts, and a part is used to form the backfilling material (13), and another part is used as taking slag mud.
5. the construction system of the embedding rock single pile described in claim 1, it is characterised in that the construction system includes:
Piling equipment, the steel pile casting of above-mentioned pile body (11) or auxiliary construction is squeezed into rock stratum (B) table from overburden layer (A) surface
Face, make to form the insulating space isolated with seawater in the pile body (11) or steel pile casting;
Rig, overburden layer (A) surface being seated in pile body (11) or steel pile casting, drill internal to rock stratum (B), it is above-mentioned to be formed
Stake holes (12);
Backfilling apparatus (22), backfilling material (13) is inserted to the stake holes (12) is interior;The piling equipment is by the pile body
(11) squeeze into the backfilling material (13) with fixation.
6. construction system according to claim 5, it is characterised in that the construction system also includes sediment device (21);
During the drill hole of drilling machine, slag mud is taken to interior be passed through of the stake holes (12), slag mud is taken and carries the boring mud inflow sediment device
(21) two parts, and in the sediment device (21) are separated into, a part is used to form the backfilling material (13), another portion
Divide and be used as taking slag mud.
7. construction system according to claim 6, it is characterised in that be provided with dividing plate in the sediment device (21)
(211), the sediment device (21) is divided into sediment chamber (212) and mud chamber (213) by the dividing plate (211), is taken
The mixture of slag mud and boring mud is passed through the sediment chamber (212);
The dividing plate (211) is provided with check valve (214), and slag mud is taken through institute positioned at sediment chamber (212) top
State check valve (214) and flow into the mud chamber (213).
8. construction system according to claim 7, it is characterised in that the top of the dividing plate (211) is to the mud chamber
Room (213) tilts.
9. construction system according to claim 5, it is characterised in that the backfilling apparatus (22) includes conveyer belt and injection
Portion;The backfilling material (13) is sent to the ejection section through the conveyer belt, and the stake holes (12) is sprayed into by the ejection section.
10. construction system according to claim 9, it is characterised in that the ejection section extends the stake holes (12) bottom,
Rise in backfilling process with the rising on backfill surface.
11. construction system according to claim 9, it is characterised in that axis of the ejection section around the stake holes (12)
Rotating-spray.
Priority Applications (1)
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CN201710796942.9A CN107386270A (en) | 2017-09-06 | 2017-09-06 | A kind of embedding rock single pile and its construction system and construction method |
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CN201710796942.9A CN107386270A (en) | 2017-09-06 | 2017-09-06 | A kind of embedding rock single pile and its construction system and construction method |
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ID=60351895
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CN201710796942.9A Pending CN107386270A (en) | 2017-09-06 | 2017-09-06 | A kind of embedding rock single pile and its construction system and construction method |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108385709A (en) * | 2018-03-16 | 2018-08-10 | 青岛市恒顺众昇集团股份有限公司 | The construction method and pile sinking structure on the overhead transmission line basis for soft soil property |
CN110904947A (en) * | 2019-12-23 | 2020-03-24 | 哈尔滨工业大学 | Automatic reinforced gravel pile construction machine based on Beidou positioning |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102086645A (en) * | 2009-12-07 | 2011-06-08 | 中交第三航务工程勘察设计院有限公司 | Socketed pile and construction method thereof |
CN102704873A (en) * | 2012-06-07 | 2012-10-03 | 徐守田 | Construction equipment of hole drilling/punching cast-in-place pile with self-provided mud pit and mud separating device |
CN106759449A (en) * | 2017-03-30 | 2017-05-31 | 福建省水利水电勘测设计院(水利部福建水利水电勘测设计研究院) | A kind of embedding rock single-pile foundation of batholith sea bed offshore wind turbine and its construction method |
CN207512727U (en) * | 2017-09-06 | 2018-06-19 | 华电重工股份有限公司 | A kind of embedding rock single pile and its construction system |
-
2017
- 2017-09-06 CN CN201710796942.9A patent/CN107386270A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102086645A (en) * | 2009-12-07 | 2011-06-08 | 中交第三航务工程勘察设计院有限公司 | Socketed pile and construction method thereof |
CN102704873A (en) * | 2012-06-07 | 2012-10-03 | 徐守田 | Construction equipment of hole drilling/punching cast-in-place pile with self-provided mud pit and mud separating device |
CN106759449A (en) * | 2017-03-30 | 2017-05-31 | 福建省水利水电勘测设计院(水利部福建水利水电勘测设计研究院) | A kind of embedding rock single-pile foundation of batholith sea bed offshore wind turbine and its construction method |
CN207512727U (en) * | 2017-09-06 | 2018-06-19 | 华电重工股份有限公司 | A kind of embedding rock single pile and its construction system |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108385709A (en) * | 2018-03-16 | 2018-08-10 | 青岛市恒顺众昇集团股份有限公司 | The construction method and pile sinking structure on the overhead transmission line basis for soft soil property |
CN110904947A (en) * | 2019-12-23 | 2020-03-24 | 哈尔滨工业大学 | Automatic reinforced gravel pile construction machine based on Beidou positioning |
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