CN103541353B - Foundation pile - Google Patents
Foundation pile Download PDFInfo
- Publication number
- CN103541353B CN103541353B CN201210246718.XA CN201210246718A CN103541353B CN 103541353 B CN103541353 B CN 103541353B CN 201210246718 A CN201210246718 A CN 201210246718A CN 103541353 B CN103541353 B CN 103541353B
- Authority
- CN
- China
- Prior art keywords
- seat
- face
- pile body
- pile
- foundation pile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
A kind of foundation pile, comprises: at least one pile body, and a seat.This pile body includes a hollow form cylinder.This seat includes the ring wall shoring this cylinder, this ring wall has shores the end face of this cylinder, one in contrast to the bottom surface of this end face, one around the outer ring surface of this end face Yu this bottom surface periphery, and one with this outer ring surface inner ring surface separately, this inner ring surface defines a through hole running through this end face and this bottom surface along a central axis cincture, and the diameter of this outer ring surface is more than the diameter of this pile body.Utilize the diameter of outer ring surface of the ring wall of this seat more than the diameter of the cylinder of this pile body, to increase the bearing area bottom this foundation pile, and then promote the stake end bearing power of this foundation pile.And in the case of producing identical stake end bearing power, this foundation pile can use the pile body that basal area is less, accordingly, it is capable to effectively reduce cost.
Description
Technical field
The present invention relates to a kind of architecture engineering material, particularly relate to a kind of foundation pile.
Background technology
When building large-scale or high-rise, if meeting with that formation strength is not enough or during soft soil horizon, application is often needed to beat
The foundation pile (pile, or referred to as stake) entering ground is transferred to the ground of soil bearing bed or harder with the load-carrying by the building on upper strata
Dish, to increase safety and the stability of fabric structure.Wherein, again with prestressed concrete pipe pile (pre-stressed
Concrete pile, PC stake), and PHC piles (pre-stressed high strength
Concrete pile, PHC stake) relatively conventional.
Refering to Fig. 1, the such as water when foundation pile 1 of PC stake or PHC stake implants stake holes 100 to projected depth, in stake holes 100
Cement mortar 101 can be the most stiff and produce stake end bearing power P of foundation pile 1 of acting on.Stake end bearing power P=ρ * π/4* (D)2, ρ generation
Table pile-end soil earth allowable bearing, D represents the section outer most edge diameter of foundation pile 1.
Due to existing prestressed concrete pipe pile and PHC piles, the concrete material used
Intensity is the highest, only uses the basal area of foundation pile 1 itself to transmit pressure, and cannot play prestressed concrete pipe pile and in advance should
The intensity that power high-strength concrete pipe pile is whole, the waste forming intensity also results in high cost simultaneously.
Summary of the invention
It is an object of the invention to provide a kind of foundation pile that can promote stake end bearing power and reduce cost.
The foundation pile of the present invention, comprises: at least one pile body, and one is used for shoring the stake seat of this pile body.This pile body includes an edge
Article one, central axis is around the hollow form cylinder defining a perforation.This seat includes the ring wall shoring this cylinder, this ring wall
Have shore the end face of this cylinder, one in contrast to the bottom surface of this end face, one around the outer ring surface of this end face Yu this bottom surface periphery,
And one run through this end face and this end along this central axis around defining one with this outer ring surface inner ring surface separately, this inner ring surface
Face the through hole being connected with this perforation, and the diameter of this outer ring surface is more than the diameter of the cylinder of this pile body.
Foundation pile of the present invention, the outer ring surface of the ring wall of this seat is formed and several is extended to this bottom surface by this end face
Guide groove, described guide groove is to extend along this central axial direction.
Foundation pile of the present invention, the short lines distance between the end face of this seat and this bottom surface is less than the cylinder of this pile body
Length, and between 10 times of the radius of outer ring surface of ring wall of this seat and the diameter of the outer ring surface of the ring wall of this seat.
Foundation pile of the present invention, this seat also includes a mechanism for intensifying being arranged in this ring wall.
Foundation pile of the present invention, comprises several pile bodies the most stacked, and one shore described the most right
The stake seat of the pile body connect.
The foundation pile of the present invention, comprises: at least one pile body, and a stake seat being connected to this pile body one end.This pile body includes one
Along central axis around defining the hollow form cylinder of a perforation, and two lids being respectively arranged at this cylinder opposite end
Plate, described cover plate all has an opening being connected with this perforation.This seat includes one around the ring wall of this central axis, and one
The connector being arranged on this ring wall and be connected with the cover plate of this pile body, this ring wall have one towards this cylinder end face, one
In contrast to the bottom surface of this end face, one around the outer ring surface of this end face Yu this bottom surface periphery, and one with this outer ring surface separately interior
Anchor ring, this inner ring surface is along this central axis around defining a through hole running through this end face and this bottom surface, and this outer ring surface is straight
Footpath is more than the diameter of cylinder of this pile body, and this connector is arranged at this end face and has passing through of this through hole of a connection and this opening
Hole.
Foundation pile of the present invention, this seat also includes a mechanism for intensifying being arranged in this ring wall, this mechanism for intensifying
One end be to be connected with on this connector.
Foundation pile of the present invention, comprises several the pile bodies being mutually butted along its length, and one is shored described pile body
Stake seat.
The beneficial effects of the present invention is: utilize the diameter of outer ring surface of the ring wall of this seat more than the cylinder of this pile body
Diameter, to increase the bearing area bottom this foundation pile, and then promotes the stake end bearing power of this foundation pile.And producing identical stake end
In the case of supporting force, this foundation pile can use the pile body that basal area is less, accordingly, it is capable to effectively reduce cost.
Accompanying drawing explanation
Fig. 1 is a sectional view, and an existing foundation pile is described.
Fig. 2 is a sectional view, and the first preferred embodiment of the foundation pile of the present invention is described.
Fig. 3 is a sectional view, and the application aspect of this first preferred embodiment is described.
Fig. 4 is a sectional view, and the second preferred embodiment of the foundation pile of the present invention is described.
Fig. 5 is a sectional view, and the 3rd preferred embodiment of the foundation pile of the present invention is described.
Fig. 6 is another sectional view, aids in illustrating Fig. 5.
Fig. 7 is a sectional view, and the 4th preferred embodiment of the foundation pile of the present invention is described.
Fig. 8 is a sectional view, and the 5th preferred embodiment of the foundation pile of the present invention is described.
Fig. 9 is a sectional view, and the another kind of aspect of the 5th preferred embodiment is described.
Figure 10 is a sectional view, and the 6th preferred embodiment of the foundation pile of the present invention is described.
Figure 11 is a sectional view, and the 7th preferred embodiment of the foundation pile of the present invention is described.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment the present invention is described in detail.Before the present invention is described in detail, it should be noted that
, in the following description content, similar assembly is to be identically numbered to represent.
Refering to Fig. 2, the first preferred embodiment of the foundation pile 2 of the present invention comprises the pile body 3 that a concrete is made, and one is positioned at
The stake seat 4 made below this pile body 3 and with concrete.This pile body 3 includes that one defines a perforation along a central axis L cincture
The hollow form cylinder 31 of 311.
This seat 4 includes the ring wall 41 shoring this cylinder 31, and this ring wall 41 has the end face shoring this cylinder 31
411, one in contrast to the bottom surface 412, of this end face 411 around the outer ring surface 413 of this end face 411 with this bottom surface 412 periphery, and one
With this outer ring surface 413 inner ring surface 414 separately, this inner ring surface 414 defines one along this central axis L cincture and runs through this end face
411 with this bottom surface 412 through hole 415 that is connected with this perforation 311.
The diameter D2 of the outer ring surface 413 of this seat 4 is more than the diameter D1 of cylinder 31 outer rim of this pile body 3, and this end face 411
And short lines distance H2 between this bottom surface 412 is less than length H1 of the cylinder 31 of this pile body 3, and between this outer ring surface 413
[that is: H2 ＜ H1 between 10 times of the diameter D2 of radius R and this outer ring surface 413；R ＜ H2 ＜ 10 (D2)].
In this preferred embodiment, the diameter D1 of the cylinder 31 of this pile body 3 is 600mm, and length H1 is 15m.This seat 4
The diameter D2 of outer ring surface 413 be 700mm, and short lines distance H2 between the end face 411 of this seat 4 and bottom surface 412 is
0.7m。
Refering to Fig. 2,3, during actual application, this foundation pile 2 is to be implanted in one to be perfused with in the stake holes 5 of cement mortar 51, due to
Cement mortar 51 can flow into this perforation 311 with in this through hole 415, therefore, the basal area of cylinder 31 outer most edge of this pile body 3 be π/
4*(600)2Square millimeter, and the basal area of ring wall 41 outer most edge of this seat 4 is π/4* (700)2Square millimeter, holds at soil
Perhaps, when bearing capacity is identical, the stake end bearing power of this foundation pile 2 is about increased to (700/600)2=1.3611 times, and due to this
Short lines distance H2 of stake seat 4 accounts for the 4.5% of foundation pile 2 total length (H1+H2), say, that about increase by the one-tenth of 4.5%
This, but can increase by the stake end bearing power of 36.11%.Therefore, this foundation pile 2 really can promote an end bearing power and reduce cost.
It is additionally, since this stake holes 5 non-fully vertical, if the short lines between the end face 411 of this seat 4 and bottom surface 412
Distance H2 is the shortest, easily collides stake holes 5 and causes the soil of stake holes 5 hole wall to collapse.But, if the end face 411 of this seat 4 and the end
Short lines distance H2 between face 412 is oversize, the most easily by 5 blockings of this stake holes, and cannot sink down into projected depth.
Therefore, short lines distance H2 between this end face 411 and this bottom surface 412 is less than the length of the cylinder 31 of this pile body 3
H1, and the design between 10 times of the radius R of this outer ring surface 413 and diameter D2 of this outer ring surface 413, moderate length makes this stake
Seat 4 effectively guides this foundation pile 2 to sink.
To be illustrated at this, during actual job, this seat 4 can be connected with pile body 3 the most in the factory, it is possible to
To be connected with pile body 3 again after being transported to building site, identical effect still can be reached.
Refering to Fig. 4, the second preferred embodiment of the foundation pile 2 of the present invention is about similar, no to this first preferred embodiment
With place be: this foundation pile 2 comprises the branched pile body 3 being stacked mutually with length direction, and a stake seat 4 shoring described pile body 3.
Owing to this preferred embodiment is about identical with this first preferred embodiment, therefore, except reaching and this first preferable reality
Execute outside effect that example is identical, utilize the pile body 3 that described phase is stacked, be conducive to this pile body 3 and the making of this seat 4 and carrying, more
Can as shown in Figure 4, stacked several pile bodies 3 and a seat 4 are to meet the stake holes 5 of different depth, and then increase range.And institute
Length H1 (being shown in Fig. 2) stating pile body 3 stacked mutually can be equal, it is also possible to is unequal.
Refering to Fig. 5,6, the 3rd preferred embodiment of the foundation pile 2 of the present invention is about first similar compared with embodiment, no to this
With place be: the outer ring surface 413 of the ring wall 41 of this seat 4 be formed with the most parallel several this central axis L and by
This end face 411 extends to the guide groove 416 of this bottom surface 412.Described guide groove 416 contributes to being positioned at the cement mortar below this seat 4
51 can flow up, and contribute to the sinking of this foundation pile 2.
Refering to Fig. 7, the 4th preferred embodiment of the foundation pile 2 of the present invention is about first similar compared with embodiment to this, different
Place be: this seat 4 also includes a mechanism for intensifying 42 being arranged in this ring wall 41, and this pile body 3 also includes a setting
Reinforcing mechanism 32 in this cylinder 31, this mechanism for intensifying 42 and this reinforcing mechanism 32 can be vertical reinforcing bar, deformed bar,
Tie hoop or horizontal hoop.
Owing to this pile body 3 and stake seat 4 are with made by concrete, this reinforcing mechanism 32 is coordinated to become with this mechanism for intensifying 42
Reinforced concrete structure, can effectively promote the compressive resistance of this pile body 3 and stake seat 4.This mechanism for intensifying 42 in this preferred embodiment
Being tie hoop and vertical reinforcing bar, this reinforcing mechanism 32 is then deformed bar and tie hoop.
Refering to Fig. 8, the 5th preferred embodiment of foundation pile 2 of the present invention, it is about identical with this first preferred embodiment, comprises
One pile body 3, and a seat 4.The place differed is: this pile body 3 also includes that two are respectively arranged at this cylinder 31 opposite end
Cover plate 33, described cover plate 33 all has an opening 331 being connected with this perforation 311.And this seat 4 also includes that one is arranged at
The connector 43 being connected on the end face 411 of this ring wall 41 and with the cover plate 33 below this pile body 3, and this connector 43 has one
Connect the perforation 431 of this through hole 415 and this opening 331.
In this preferred embodiment, this cover plate 33 and this connector 43 are with made by metal material, and this cover plate 33
It is to be bonded with each other with welding manner with this connector 43.Certainly, reality application can be the machinery utilizing trip or bolt
Engagement system is bonded with each other.
Owing to this preferred embodiment is about identical with this first preferred embodiment, therefore, except can reach with this
Outside effect that one preferred embodiment is identical, this pile body 3 can be separately manufactured with this seat 4, is reused in metal material institute afterwards
This cover plate 33 and this connector 43 made, coordinates welding manner or mechanical engagement mode to engage, be beneficial to this pile body 3 with
The making of this seat 4 and carrying, more can as shown in Figure 9 according to stake holes 5 (the being shown in Fig. 5) degree of depth stacked engage several pile bodies 3 with
One seat 4, and then increase range.
To be illustrated at this, during actual job, this seat 4 can be connected with pile body 3 the most in the factory, it is possible to
To be connected with pile body 3 again after being transported to building site, identical effect still can be reached.
Refering to Figure 10, the 6th preferred embodiment of foundation pile 2 of the present invention, it is about identical with the 5th preferred embodiment, no
Identical place is: the outer ring surface 413 of the ring wall 41 of this seat 4 be formed several along this central axis L direction by this top
Face 411 extends to the guide groove 416 of this bottom surface 412.Described guide groove 416 contributes to the flowing of cement mortar 51 (being shown in Fig. 5), makes
This foundation pile 2 can be along the stable sinking of stake holes 5 (being shown in Fig. 5).
Refering to Figure 11, the 7th preferred embodiment of foundation pile 2 of the present invention, it is about identical with the 5th preferred embodiment, no
Identical place is: this seat 4 also includes a mechanism for intensifying 42 being arranged in this ring wall 41, and this pile body 3 also includes one
It is arranged at the reinforcing mechanism 32 in this cylinder 31.
One end of this mechanism for intensifying 42 is to be connected with on this connector 43, and the two ends of this reinforcing mechanism 32 are to be connected with in institute
State on cover plate 33, and this mechanism for intensifying 42 can be vertical reinforcing bar, deformed bar, tie hoop or water with this reinforcing mechanism 32
Flat stirrup.
Owing to this pile body 3 and stake seat 4 are with made by concrete, this reinforcing mechanism 32 is coordinated to become with this mechanism for intensifying 42
Reinforced concrete structure, can effectively promote the compressive resistance of this pile body 3 and stake seat 4.This mechanism for intensifying 42 in this preferred embodiment
Being tie hoop and vertical reinforcing bar, this reinforcing mechanism 32 is then deformed bar and tie hoop.
It should be noted that above-described embodiment can also be applied in combination according to situation.For example, it is possible in this seat 4 simultaneously
It is provided with this guide groove 416 and this mechanism for intensifying 42, and this pile body is also correspondingly arranged on this reinforcing mechanism 32.For another example, can be at this
This cylinder 31 opposite end of pile body 3 is respectively provided with described cover plate 33, is provided with this guide groove 416 in this seat 4 simultaneously simultaneously
With this mechanism for intensifying 42, and this pile body is also correspondingly arranged on this reinforcing mechanism 32.
In sum, the foundation pile 2 of the present invention, utilize the diameter D2 of outer ring surface 413 of the ring wall 41 of this seat 4 more than this stake
The diameter D1 of the cylinder 31 of body 3, to increase the bottom supporting area of this foundation pile 2, and then promotes the stake end bearing power of this foundation pile 2.
And in the case of producing identical stake end bearing power, this foundation pile 2 can use the pile body 3 that basal area is less, accordingly, it is capable to effectively
Reduce cost, so the purpose of the present invention really can be reached.
Claims (10)
1. a foundation pile, is perfused with in the stake holes of cement mortar for being implanted in one, comprises: at least one pile body, and a stake
Seat, it is characterised in that: this pile body includes that one defines a hollow form cylinder bored a hole, this stake along a central axis cincture
Seat includes the ring wall of a cylinder shoring this pile body, and this ring wall has the end face of a cylinder shoring this pile body, a phase
Anti-in the bottom surface of this end face, an outer ring surface around this end face Yu this bottom surface periphery, and one with this outer ring surface separately
Inner ring surface, this inner ring surface runs through this end face and this bottom surface along this central axis around defining one and is connected with this perforation
Through hole, the diameter of the outer ring surface of the ring wall of this seat is more than the diameter of the cylinder of this pile body, when this foundation pile is implanted in stake holes, water
Cement mortar flows in this perforation and this through hole, and the aperture of this perforation is more than the aperture of this through hole.
Foundation pile the most according to claim 1, it is characterised in that: the outer ring surface of the ring wall of this seat is formed several by this top
Face extends to the guide groove of this bottom surface, and described guide groove is to extend along this central axial direction.
Foundation pile the most according to claim 2, it is characterised in that: the end face of the ring wall of this seat and the end of the ring wall of this seat
Short lines distance between face is less than the length of the cylinder of this pile body, and the radius and 10 of outer ring surface of the ring wall between this seat
Between the diameter of the outer ring surface of the ring wall of this seat again.
4. according to the foundation pile described in any claim in claims 1 to 3, it is characterised in that: this seat also includes that one sets
It is placed in the mechanism for intensifying in this ring wall.
Foundation pile the most according to claim 1, it is characterised in that: this foundation pile comprises several stake the most stacked
Body, and a stake seat shoring described superposed pile body.
6. a foundation pile, is perfused with in the stake holes of cement mortar for being implanted in one, comprises: at least one pile body, and a stake
Seat, it is characterised in that: this pile body includes that one defines a hollow form cylinder bored a hole, and two along a central axis cincture
The individual cover plate being respectively arranged at this cylinder opposite end, described cover plate all has an opening being connected with this perforation, this stake
Seat includes a ring wall around this central axis, and one is arranged on this ring wall and is connected with a wherein cover plate of this pile body
The connector connect, this ring wall has an end face towards this cylinder, bottom surface in contrast to this end face, one around this top
The outer ring surface of face and this bottom surface periphery, and one with this outer ring surface inner ring surface separately, this inner ring surface is along this central shaft wire loop
Around defining a through hole running through this end face and this bottom surface, and this connector is arranged at the end face of ring wall of this seat and has
One perforation connecting this through hole and this opening, the diameter of the outer ring surface of the ring wall of this seat is straight more than the cylinder of this pile body
Footpath, when this foundation pile is implanted in stake holes, cement mortar flows in this perforation, this perforation and this through hole, and the aperture of this perforation is more than
The aperture of this through hole, and the aperture of this opening is more than the aperture of this perforation.
Foundation pile the most according to claim 6, it is characterised in that: the outer ring surface of the ring wall of this seat is formed several by this top
Face extends to the guide groove of this bottom surface, and described guide groove is to extend along this central axial direction.
Foundation pile the most according to claim 7, it is characterised in that: the short lines distance between the end face of this seat and this bottom surface
Less than the length of the cylinder of this pile body, and between the radius of outer ring surface of ring wall of this seat and the diameter of this outer ring surface of 10 times
Between.
9. according to the foundation pile described in any claim in claim 6 to 8, it is characterised in that: this seat also includes that one sets
Being placed in the mechanism for intensifying in this ring wall, one end of this mechanism for intensifying is to be connected with on this connector.
Foundation pile the most according to claim 6, it is characterised in that: this foundation pile comprises several the most superposed
Pile body, and a stake seat shoring described pile body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210246718.XA CN103541353B (en) | 2012-07-17 | 2012-07-17 | Foundation pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210246718.XA CN103541353B (en) | 2012-07-17 | 2012-07-17 | Foundation pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103541353A CN103541353A (en) | 2014-01-29 |
| CN103541353B true CN103541353B (en) | 2016-12-21 |
Family
ID=49965179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210246718.XA Expired - Fee Related CN103541353B (en) | 2012-07-17 | 2012-07-17 | Foundation pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103541353B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000303458A (en) * | 1999-04-19 | 2000-10-31 | Sekisui House Ltd | Friction pile and method for erecting the same |
| CN2654686Y (en) * | 2003-10-20 | 2004-11-10 | 贾燎 | Large head prefabricated pile |
| KR100963320B1 (en) * | 2009-11-13 | 2010-06-11 | 김성수 | Vertical support and frictional reinforcement structural advanced pile |
| CN102102363A (en) * | 2009-12-21 | 2011-06-22 | 李胜男 | Foundation pile and construction method thereof |
| CN202073092U (en) * | 2011-05-06 | 2011-12-14 | 上海中技桩业股份有限公司 | Hollow prestressed concrete square pile |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1238610C (en) * | 2002-05-10 | 2006-01-25 | 贾燎 | Sleeve pile and designing method |
| CN2619974Y (en) * | 2003-05-28 | 2004-06-09 | 姜贤放 | Cylinder type pedestal pile shoe |
-
2012
- 2012-07-17 CN CN201210246718.XA patent/CN103541353B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000303458A (en) * | 1999-04-19 | 2000-10-31 | Sekisui House Ltd | Friction pile and method for erecting the same |
| CN2654686Y (en) * | 2003-10-20 | 2004-11-10 | 贾燎 | Large head prefabricated pile |
| KR100963320B1 (en) * | 2009-11-13 | 2010-06-11 | 김성수 | Vertical support and frictional reinforcement structural advanced pile |
| CN102102363A (en) * | 2009-12-21 | 2011-06-22 | 李胜男 | Foundation pile and construction method thereof |
| CN202073092U (en) * | 2011-05-06 | 2011-12-14 | 上海中技桩业股份有限公司 | Hollow prestressed concrete square pile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103541353A (en) | 2014-01-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9587365B2 (en) | Composite structure for a pile foundation for anchoring a tower structure, foundation and jacket for a wind turbine, and wind turbine | |
| CN108699796A (en) | Pedestal for wind energy conversion system | |
| CN105155554A (en) | Deep foundation pit of arched supporting system | |
| CN104389318B (en) | Reinforced concrete-steel structure hybrid gravity foundation for offshore wind power and construction method thereof | |
| CN102864780A (en) | Supporting structure and supporting method of foundation pit | |
| JP6513502B2 (en) | Pile body construction method | |
| JP5330874B2 (en) | Soil cement column mountain wall | |
| JP6033139B2 (en) | Joint structure of pile and footing | |
| JP2009057817A (en) | Building method for composite friction pile | |
| CN108086307B (en) | Steel pipe concrete hole digging and pouring composite miniature pile | |
| JP2017095888A (en) | Steel column-pile junction structure | |
| JP2013224529A (en) | Structure and method for reinforcing pile foundation | |
| CN202830936U (en) | Supporting structure of foundation pit | |
| JP6060855B2 (en) | Embankment | |
| CN103541353B (en) | Foundation pile | |
| JP5456627B2 (en) | Connection structure and method of connection between pile and steel column | |
| CN208309592U (en) | Foundation pit supporting structure | |
| JP2013177741A (en) | Earthquake strengthening structure of existent structure foundation employing composite ground pile foundation technique | |
| TWI610010B (en) | Foundation pile | |
| JP6461690B2 (en) | Foundation structure and foundation construction method | |
| KR101701495B1 (en) | Top-down construction method using steel tube column with horizontal and vertical reinforcement | |
| CN110761192B (en) | Caisson pile foundation and construction method thereof | |
| CN103266624B (en) | Method for supporting oil and gas pipeline penetrating through karst active zone | |
| CN103397650B (en) | A kind of large-scale steel cylinder cofferdam structure | |
| CN106223344A (en) | A kind of ground line piled anchor framework foundation pit supporting method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 |