CN102409680A - Underwater pile delivery technology for slipway combined pile - Google Patents
Underwater pile delivery technology for slipway combined pile Download PDFInfo
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- CN102409680A CN102409680A CN2011102310418A CN201110231041A CN102409680A CN 102409680 A CN102409680 A CN 102409680A CN 2011102310418 A CN2011102310418 A CN 2011102310418A CN 201110231041 A CN201110231041 A CN 201110231041A CN 102409680 A CN102409680 A CN 102409680A
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Abstract
The invention discloses an underwater pile delivery technology for a slipway combined pile. The technology comprises the following steps of: a, connecting a follower and a pile hammer, and arranging a pile delivery guide pipe at an upper closure gap; b, suspending a foundation pile consisting of a combined pile; c, vertically feeding the foundation pile into the closure gap, closing a back plate to clasp the pile body, and sinking the pile; d, determining the position of the pile by a global positioning system (GPS), regulating the position of the pile by combining a transit, and sinking the pile till the pile body is stabilized; e, measuring and regulating the position of the pile and the verticality of the pile body after the foundation pile is sunken and the pile body is stabilized, sleeving the pile delivery guide pipe on the head of the foundation pile, and supporting the pile delivery guide pipe, the pile body and the pile frame on the same vertical line; f, sleeving the pile hammer and the follower into the pile delivery guide pipe, pressing the hammer, and hammering; g, slowly lifting the back plate to the pile delivery guide pipe when hammering begins; h, regulating the vertical angle and monitoring the elevation and the penetration; and i, finally hammering till the standards are met, lifting the pile delivery guide pipe, and thus finishing the whole pile delivery technology.
Description
Technical field
The present invention relates to a kind of slideway compound pile pile follower technology under water, particularly relate to and to be effective in the pile follower technology of carrying out the compound pile pile follower under water.
Background technology
The major diameter PHC stake at home and abroad application in the hydraulic engineering is comparatively extensive; But it mostly adopts piling construction waterborne, and its hammer standard is many to be controlled to be the master with pile penetration to stopping, absolute altitude is controlled to be auxilliary; In addition, the high design of stake top mark is most to exceed the working water level design.No doubt this type of job practices appears to relatively good operation; But if run into riverbed or sea bed when dark, if still will be with the absolute altitude design on stake top more than working water level, then the length of foundation pile will increase greatly; Relatively; The diameter of foundation pile also must strengthen synchronously, thus its except meeting causes construction inconvenience, the cost of engineering also can relatively increase.In order not increase engineering cost, so be to become a very important problem how in the darker pile follower technology of carrying out under water.
Summary of the invention
Technical problem to be solved by this invention provides a kind of slideway compound pile pile follower technology under water; Because compound pile used in the present invention is possible submerged fully before the hammering pile follower; So cooperation via a pile follower conduit; Be can be effectively the pile crown of compound pile foundation pile to be promoted on the water surface, effectively to reach the technology of pile follower under water of compound pile.
Main purpose of the present invention is for providing a kind of slideway compound pile pile follower technology under water, and described pile follower technology comprises the steps:
A. will connect for the pile monkey of beating with a pile driving barge earlier, again with pack into the last Long Kouchu of said pile driving barge of a pile follower conduit;
B. utilize three hoist cables that the foundation pile that one compound pile constitutes is suspended in midair, wherein be arranged with a hoist cable near said foundation pile at, remaining two hoist cable then is set in the place, nearly top of said foundation pile;
C. said foundation pile is erected and get into the Longkou, close the backboard Qianmen and embrace pile body, a claim-reduction of hanging of the said foundation pile bottom of loosening, following stake delivers to the stake point of said foundation pile apart from the about 2-3 rice of mud face;
D. make the stake position by pile driving barge GPS navigation system; The transit that combines again to establish in addition on the bank carries out the adjustment of stake position; The stake off normal is controlled at 0 ~ ± the 7cm scope in, and the pile body verticality of said foundation pile is controlled at be not more than 1.0%, after adjustment is errorless following to holding pile body;
E. after said foundation pile is drowned oneself and is held pile body; Measure adjustment stake position and pile body verticality again; Then described pile follower conduit is inserted in the pile crown of said foundation pile, remeasures adjustment pile follower conduit, pile body and pile frame whether on same vertical line, an off normal is controlled at 0 ~ ± the 3cm scope in; The pile body verticality is controlled at and is not more than 0.5%, and two that untie said foundation pile top are then hung a claim-reduction;
F. be inserted in the pile follower conduit with pile monkey with for beating; Measure adjustment pile follower conduit, pile body and pile frame whether on same vertical line, press hammer then, foundation pile press hammer into shape hold pile body after; Remeasure adjustment pile follower conduit, pile body and pile frame whether in the control range of appointment, promptly begin to carry out injection at last;
When g. beginning hammering, hit with neutral gear hammering 3 ~ 5 earlier in case bigger slide stake phenomenon occurs; Adopt one grade, second gear continuation hammering injection then, and slowly said backboard is risen on the pile follower conduit, to guarantee the verticality of this pile follower conduit;
H. indicate rule in pile follower conduit both sides, supply on the bank surveyor's sight gauge to calculate the vertical angle of every pile control absolute altitude, when pile monkey hits when stopping hammering standard into shape, the vertical angle of adjustment control absolute altitude is monitored absolute altitude and pile penetration; With
I. last, according to the high strain detecting result of examination pile sinking, employing third gear hammering injection stops the hammer standard to meeting, and then, promotes pile monkey earlier, replaces and beat, and mentions the pile follower conduit more together along the lifting of said Longkou, and accomplishes the whole pile follower technology of this foundation pile.
Described pile follower technology in the hammering process, on the bank the surveyor must the close supervision pile monkey, for beat, whether pile follower conduit, pile body and pile frame remain on the same vertical axis.
Described pile follower technology when causing bigger surging, must be suspended hammering, in order to avoid cause pile body impaired if any large-scale ship immediately in the hammering process.
Another object of the present invention is for providing a kind of slideway compound pile pile follower technology under water, and described pile follower technology comprises the steps:
A. will connect for the pile monkey of beating with a pile driving barge earlier, again with pack into the last Long Kouchu of said pile driving barge of a pile follower conduit;
B. utilize three hoist cables that the foundation pile that one compound pile constitutes is suspended in midair, wherein be arranged with a hoist cable near said foundation pile at, remaining two hoist cable then is set in the place, nearly top of said foundation pile;
C. said foundation pile is erected and get into the Longkou; Close the backboard Qianmen and embrace pile body; The claim-reduction of hanging of said foundation pile bottom of loosening, and all the other two hoist cables that promote said foundation pile top are inserted in the pile crown of said foundation pile in the pile crown hoop of said pile follower conduit, make whole pile body upright surely on the water surface;
D. make the stake position by pile driving barge GPS navigation system; The transit that combines again to establish in addition on the bank carries out the adjustment of stake position; The stake off normal is controlled at ± the 3cm scope in; And the pile body and the pile frame verticality that make said foundation pile be controlled at and be not more than 0.5%, after adjustment is errorless, said pile follower conduit and pile body together along the Longkou following to stable;
E. after the steady stake, remeasure adjustment pile follower conduit, pile body and pile frame more whether on same vertical line;
F. be inserted in the pile follower conduit with pile monkey with for beating; Measure the adjustment pile monkey, for beat, whether pile follower conduit, pile body and pile frame on same vertical line; Press hammer then, after foundation pile presses hammer to hold pile body, two hoist cables at said foundation pile top are lowered in the water together and are loosened by the diver that it hangs a claim-reduction; Remeasure then the adjustment pile monkey, for beat, pile follower conduit, pile body and pile frame on same vertical axis, promptly begin at last to ring to hammer into shape and carry out pile sinking;
When g. beginning hammering, hit with neutral gear hammering 3 ~ 5 earlier in case bigger slide stake phenomenon occurs; Adopt one grade, second gear continuation hammering injection then, and slowly said backboard is risen on the pile follower conduit;
H. last, hammer piling stops the hammer standard to meeting, and then, promotes pile monkey earlier, replaces and beat, and mentions the pile follower conduit more together along the lifting of said Longkou, and accomplishes the whole pile follower technology of this foundation pile.
Said pile follower technology in the hammering process, on the bank the surveyor must the close supervision pile monkey, for beat, whether pile follower conduit, pile body and pile frame remain on the same vertical axis.
Said pile follower technology when causing bigger surging, must be suspended hammering, in order to avoid cause pile body impaired if any large-scale ship immediately in the hammering process.
Description of drawings
Fig. 1 is the slideway compound pile of the present invention employed compound pile sketch map of pile follower technology under water.
Fig. 2 is a pile follower conduit sketch map used herein.
Fig. 3 is the sketch map that hangs of compound pile used herein.
Fig. 4 is the slideway compound pile of the present invention first enforcement illustration of pile follower technology under water.
Fig. 5 is the slideway compound pile of the present invention second enforcement illustration of pile follower technology under water.
The specific embodiment
Further specify below in conjunction with the embodiment accompanying drawing.
Shown in Figure 1, be foundation pile 1 sketch map of compound pile used in the present invention, described compound pile is to be made up of 3 of the steel pipe piles that its top is located in a PHC stake 2 and, the bottom of this PHC stake then is provided with piling bar point 4 in addition.
And shown in Figure 2, then be the organigram of pile follower conduit 5 used herein.Described pile follower conduit 5 is except being provided with in its bottom the pile crown hoop 6, on its lateral wall and be provided with jaw 7 corresponding about in the of two.
Shown in Figure 4, be to be the institute of the present invention exposure slideway compound pile first embodiment sketch map of pile follower technology under water.The described technology of pile follower under water mainly comprises the steps:
A. will connect for the pile monkey of making 8 and one pile driving barge 9 earlier, the jaw 7 through said pile follower conduit 5 is with pack into 10 places, last Longkou of said pile driving barge of described pile follower conduit 5 again;
B. utilize foundation pile 1 suspention of three hoist cables 11,12,13 with said compound pile, promptly as shown in Figure 3, wherein be arranged with a hoist cable 11 near said foundation pile 1 at, remaining two hoist cable 12 and 13 then is set in the place, nearly top of said foundation pile 1;
C. said foundation pile 1 is erected and get into Longkou 10, close backboard Qianmen 14 and embrace pile body, a claim-reduction of hanging of said foundation pile 1 bottom of loosening, following stake delivers to the stake point of said foundation pile 1 apart from the about 2-3 rice of mud face;
D. make the stake position by pile driving barge GPS navigation system; The transit (not shown) that combines again to establish in addition on the bank carries out the adjustment of stake position; The stake off normal is controlled at 0 ~ ± the 7cm scope in, and the pile body verticality of said foundation pile 1 is controlled at be not more than 1.0%, after adjustment is errorless following to holding pile body;
E. after said foundation pile 1 is drowned oneself and is held pile body; Measure adjustment stake position and pile body verticality again; Then described pile follower conduit 5 is inserted in the pile crown of said foundation pile, remeasures adjustment pile follower conduit, pile body and pile frame whether on same vertical line, an off normal is controlled at 0 ~ ± the 3cm scope in; The pile body verticality is controlled at and is not more than 0.5%, and two that untie said foundation pile top are then hung a claim-reduction;
F. be inserted in pile follower conduit 5 with pile monkey 9 with for making a call to 8; Measure adjustment pile follower conduit, pile body and pile frame whether on same vertical line; Press hammer then; After foundation pile presses hammer to hold pile body, remeasure adjustment pile follower conduit, pile body and pile frame whether in the control range of appointment, promptly begin to carry out injection at last;
When g. beginning hammering, hit with neutral gear hammering 3 ~ 5 earlier in case bigger slide stake phenomenon occurs; Adopt one grade, second gear continuation hammering injection then, and slowly said backboard 14 is risen on the pile follower conduit 5, to guarantee the verticality of this pile follower conduit 5;
H. indicate rule (not shown) in pile follower conduit 5 both sides, supply on the bank surveyor's sight gauge to calculate the vertical angle of every pile control absolute altitude, when pile monkey hits when stopping hammering standard into shape, the vertical angle of adjustment control absolute altitude is monitored absolute altitude and pile penetration; With
I. last, according to the high strain detecting result of examination pile sinking, employing third gear hammering injection stops the hammer standard to meeting, and then, promotes pile monkey 9 earlier, replaces and make a call to 8, mentions pile follower conduit 5 more together along 10 liftings of said Longkou, and accomplishes the whole pile follower technology of this foundation pile 1.
Must be noted that, be said pile follower technology in the hammering process, on the bank the surveyor must the close supervision pile monkey, for beat, whether pile follower conduit, pile body and pile frame remain on the same vertical axis.And said pile follower technology is in the hammering process, when causing bigger surging, must suspend hammering immediately, in order to avoid cause pile body impaired if any large-scale ship.
Shown in Figure 5, be to be the institute of the present invention exposure slideway compound pile second embodiment sketch map of pile follower technology under water.The described technology of pile follower under water mainly comprises the steps:
A. will connect for the pile monkey of making 8 and one pile driving barge 9 earlier, again with pack into 10 places, last Longkou of said pile driving barge of a pile follower conduit 5;
C. said foundation pile 1 is erected and get into Longkou 10; Close backboard Qianmen 14 and embrace pile body; The loosen claim-reduction of hanging of said foundation pile 1 bottom; And all the other two hoist cables, 12,13 pile crowns with said foundation pile 1 that promote said foundation pile 1 top are inserted in the pile crown hoop 6 of said pile follower conduit 5, make whole pile body upright surely on the water surface;
D. make the stake position by pile driving barge GPS navigation system; The transit (not shown) that combines again to establish in addition on the bank carries out the adjustment of stake position; The stake off normal is controlled at ± the 3cm scope in; And the pile body and the pile frame verticality that make said foundation pile 1 be controlled at and be not more than 0.5%, after adjustment is errorless, said pile follower conduit 5 with pile body together along the Longkou 10 times stakes to stable;
E. after the steady stake, remeasure adjustment pile follower conduit 5, pile body and pile frame more whether on same vertical line;
F. be inserted in pile follower conduit 5 with pile monkey 9 with for making a call to 8; Measure adjustment pile monkey 9, for make a call to 8, whether pile follower conduit 5, pile body and pile frame on same vertical line; Press hammer then, after foundation pile presses hammer to hold pile body, two hoist cables at said foundation pile top are lowered in the water together and are loosened by the diver that it hangs a claim-reduction; Remeasure then adjustment pile monkey 9, for make a call to 8, pile follower conduit 5, pile body and pile frame on same vertical axis, promptly begin at last to ring to hammer into shape and carry out pile sinking;
When g. beginning hammering, hit with neutral gear hammering 3 ~ 5 earlier in case bigger slide stake phenomenon occurs; Adopt one grade, second gear continuation hammering injection then, and slowly said backboard 14 is risen on the pile follower conduit 5;
H. last, hammer piling stops the hammer standard to meeting, and then, promotes pile monkey 9 earlier, replaces and make a call to 8, mentions pile follower conduit 5 more together along 10 liftings of said Longkou, and accomplishes the whole pile follower technology of this foundation pile 1.
The same with first embodiment, the described pile follower technology of present embodiment in the hammering process, on the bank the surveyor must the close supervision pile monkey, for beat, whether pile follower conduit, pile body and pile frame remain on the same vertical axis.In addition, in the hammering process, when causing bigger surging, must suspend hammering immediately, in order to avoid cause pile body impaired if any large-scale ship.
Claims (6)
1. slideway compound pile pile follower technology under water comprises the steps:
A. will connect for the pile monkey of beating with a pile driving barge earlier, again with pack into the last Long Kouchu of said pile driving barge of a pile follower conduit;
B. utilize three hoist cables that the foundation pile that one compound pile constitutes is suspended in midair, wherein be arranged with a hoist cable near said foundation pile at, remaining two hoist cable then is set in the place, nearly top of said foundation pile;
C. said foundation pile is erected and get into the Longkou, close the backboard Qianmen and embrace pile body, a claim-reduction of hanging of the said foundation pile bottom of loosening, following stake delivers to the stake point of said foundation pile apart from the about 2-3 rice of mud face;
D. make the stake position by pile driving barge GPS navigation system; The transit that combines again to establish in addition on the bank carries out the adjustment of stake position; The stake off normal is controlled at 0 ~ ± the 7cm scope in, and the pile body verticality of said foundation pile is controlled at be not more than 1.0%, after adjustment is errorless following to holding pile body;
E. after said foundation pile is drowned oneself and is held pile body; Measure adjustment stake position and pile body verticality again; Then described pile follower conduit is inserted in the pile crown of said foundation pile, remeasures adjustment pile follower conduit, pile body and pile frame whether on same vertical line, an off normal is controlled at 0 ~ ± the 3cm scope in; The pile body verticality is controlled at and is not more than 0.5%, and two that untie said foundation pile top are then hung a claim-reduction;
F. be inserted in the pile follower conduit with pile monkey with for beating; Measure adjustment pile follower conduit, pile body and pile frame whether on same vertical line, press hammer then, foundation pile press hammer into shape hold pile body after; Remeasure adjustment pile follower conduit, pile body and pile frame whether in the control range of appointment, promptly begin to carry out injection at last;
When g. beginning hammering, hit with neutral gear hammering 3 ~ 5 earlier in case bigger slide stake phenomenon occurs; Adopt one grade, second gear continuation hammering injection then, and slowly said backboard is risen on the pile follower conduit, to guarantee the verticality of this pile follower conduit;
H. indicate rule in pile follower conduit both sides, supply on the bank surveyor's sight gauge to calculate the vertical angle of every pile control absolute altitude, when pile monkey hits when stopping hammering standard into shape, the vertical angle of adjustment control absolute altitude is monitored absolute altitude and pile penetration; With
I. last, according to the high strain detecting result of examination pile sinking, employing third gear hammering injection stops the hammer standard to meeting, and then, promotes pile monkey earlier, replaces and beat, and mentions the pile follower conduit more together along the lifting of said Longkou, and accomplishes the whole pile follower technology of this foundation pile.
2. slideway compound pile according to claim 1 is pile follower technology under water; It is characterized in that: said pile follower technology in the hammering process, on the bank the surveyor must the close supervision pile monkey, for beat, whether pile follower conduit, pile body and pile frame remain on the same vertical axis.
3. slideway compound pile according to claim 1 is pile follower technology under water, it is characterized in that: said pile follower technology when causing bigger surging, must be suspended hammering, in order to avoid cause pile body impaired if any large-scale ship immediately in the hammering process.
4. slideway compound pile pile follower technology under water comprises the steps:
A. will connect for the pile monkey of beating with a pile driving barge earlier, again with pack into the last Long Kouchu of said pile driving barge of a pile follower conduit;
B. utilize three hoist cables that the foundation pile that one compound pile constitutes is suspended in midair, wherein be arranged with a hoist cable near said foundation pile at, remaining two hoist cable then is set in the place, nearly top of said foundation pile;
C. said foundation pile is erected and get into the Longkou; Close the backboard Qianmen and embrace pile body; The claim-reduction of hanging of said foundation pile bottom of loosening, and all the other two hoist cables that promote said foundation pile top are inserted in the pile crown of said foundation pile in the pile crown hoop of said pile follower conduit, make whole pile body upright surely on the water surface;
D. make the stake position by pile driving barge GPS navigation system; The transit that combines again to establish in addition on the bank carries out the adjustment of stake position; The stake off normal is controlled at ± the 3cm scope in; And the pile body and the pile frame verticality that make said foundation pile be controlled at and be not more than 0.5%, after adjustment is errorless, said pile follower conduit and pile body together along the Longkou following to stable;
E. after the steady stake, remeasure adjustment pile follower conduit, pile body and pile frame more whether on same vertical line;
F. be inserted in the pile follower conduit with pile monkey with for beating; Measure the adjustment pile monkey, for beat, whether pile follower conduit, pile body and pile frame on same vertical line; Press hammer then, after foundation pile presses hammer to hold pile body, two hoist cables at said foundation pile top are lowered in the water together and are loosened by the diver that it hangs a claim-reduction; Remeasure then the adjustment pile monkey, for beat, pile follower conduit, pile body and pile frame on same vertical axis, promptly begin at last to ring to hammer into shape and carry out pile sinking;
When g. beginning hammering, hit with neutral gear hammering 3 ~ 5 earlier in case bigger slide stake phenomenon occurs; Adopt one grade, second gear continuation hammering injection then, and slowly said backboard is risen on the pile follower conduit;
H. last, hammer piling stops the hammer standard to meeting, and then, promotes pile monkey earlier, replaces and beat, and mentions the pile follower conduit more together along the lifting of said Longkou, and accomplishes the whole pile follower technology of this foundation pile.
5. slideway compound pile according to claim 4 is pile follower technology under water; It is characterized in that: said pile follower technology in the hammering process, on the bank the surveyor must the close supervision pile monkey, for beat, whether pile follower conduit, pile body and pile frame remain on the same vertical axis.
6. slideway compound pile according to claim 4 is pile follower technology under water, it is characterized in that: said pile follower technology when causing bigger surging, must be suspended hammering, in order to avoid cause pile body impaired if any large-scale ship immediately in the hammering process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110231041.8A CN102409680B (en) | 2011-08-12 | 2011-08-12 | Underwater pile delivery technology for slipway combined pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110231041.8A CN102409680B (en) | 2011-08-12 | 2011-08-12 | Underwater pile delivery technology for slipway combined pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102409680A true CN102409680A (en) | 2012-04-11 |
| CN102409680B CN102409680B (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110231041.8A Expired - Fee Related CN102409680B (en) | 2011-08-12 | 2011-08-12 | Underwater pile delivery technology for slipway combined pile |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064365A (en) * | 2015-05-28 | 2015-11-18 | 中建港务建设有限公司 | Determination method of pile head elevation |
| CN108536089A (en) * | 2018-05-30 | 2018-09-14 | 中交四航局第二工程有限公司 | Underwater Deep Silt cement mixing working ship with automation pile integrated control system |
| CN111411626A (en) * | 2020-03-27 | 2020-07-14 | 中交三航局第三工程有限公司 | Construction process for super-long pile feeding of overwater pile sinking of internal lake tunnel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08158365A (en) * | 1994-12-02 | 1996-06-18 | Morinagagumi:Kk | Pile driver for driving pile at underwater |
| EP1270824A2 (en) * | 2001-06-18 | 2003-01-02 | F + Z Baugesellschaft mbH | Making of an underwater wall |
| CN101289858A (en) * | 2008-04-09 | 2008-10-22 | 中交三航局第二工程有限公司 | Pile sinking process in water for PHC pipe pile |
| CN101581097A (en) * | 2009-05-22 | 2009-11-18 | 中交第一航务工程局有限公司 | Vibration sinking technology method of large-sized combined steel plate pile |
| CN102134854A (en) * | 2011-02-16 | 2011-07-27 | 中交二航局第四工程有限公司 | Slipway underwater pile foundation and construction method thereof |
-
2011
- 2011-08-12 CN CN201110231041.8A patent/CN102409680B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08158365A (en) * | 1994-12-02 | 1996-06-18 | Morinagagumi:Kk | Pile driver for driving pile at underwater |
| EP1270824A2 (en) * | 2001-06-18 | 2003-01-02 | F + Z Baugesellschaft mbH | Making of an underwater wall |
| CN101289858A (en) * | 2008-04-09 | 2008-10-22 | 中交三航局第二工程有限公司 | Pile sinking process in water for PHC pipe pile |
| CN101581097A (en) * | 2009-05-22 | 2009-11-18 | 中交第一航务工程局有限公司 | Vibration sinking technology method of large-sized combined steel plate pile |
| CN102134854A (en) * | 2011-02-16 | 2011-07-27 | 中交二航局第四工程有限公司 | Slipway underwater pile foundation and construction method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064365A (en) * | 2015-05-28 | 2015-11-18 | 中建港务建设有限公司 | Determination method of pile head elevation |
| CN108536089A (en) * | 2018-05-30 | 2018-09-14 | 中交四航局第二工程有限公司 | Underwater Deep Silt cement mixing working ship with automation pile integrated control system |
| CN111411626A (en) * | 2020-03-27 | 2020-07-14 | 中交三航局第三工程有限公司 | Construction process for super-long pile feeding of overwater pile sinking of internal lake tunnel |
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| Publication number | Publication date |
|---|---|
| CN102409680B (en) | 2014-04-02 |
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Granted publication date: 20140402 Termination date: 20200812 |