CN105442604B - Static pressed pile counterforce device and its construction method - Google Patents
Static pressed pile counterforce device and its construction method Download PDFInfo
- Publication number
- CN105442604B CN105442604B CN201510972455.4A CN201510972455A CN105442604B CN 105442604 B CN105442604 B CN 105442604B CN 201510972455 A CN201510972455 A CN 201510972455A CN 105442604 B CN105442604 B CN 105442604B
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- hole
- screw
- bottom girder
- cover plate
- pile
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/20—Placing by pressure or pulling power
-
- 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
- E02D13/10—Follow-blocks of pile-drivers or like devices
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of static pressed pile counterforce device, including：Two columns and the centre-hole jack being sleeved on column, the top of column are fixed with limited block, and the top of centre-hole jack piston rod is fixed on limited block；Also include bottom girder, the two ends of bottom girder are respectively sleeved on two columns, and the bottom of centre-hole jack is fixed on bottom girder, there is a through hole in the middle part of bottom girder；At least two through holes are additionally provided with bottom girder around through hole, screw-thread steel is equipped with through hole, on screw-thread steel positioned at bottom girder top and bottom at respectively carried out by limit screw cap it is spacing, cover plate is placed with the top surface of prefabricated pile, screw-thread steel through be located on the cover plate, and screw-thread steel at the upper surface of cover plate carried out by limit screw cap it is spacing；The invention also discloses the construction method of above-mentioned static pressed pile counterforce device.By the above-mentioned means, the present invention can effective control joint quantity, mitigate risk, there is safe and reliable, economical rationality, easy construction.
Description
Technical field
The present invention relates to construction engineering technical field, more particularly to a kind of static pressed pile counterforce device and its construction method.
Background technology
Construction of Static Pressure Pile have the advantages that it is noiseless, without friction, without impulsive force, be widely used in the intensive place of urban population
Construction, with the fast development of city underground engineering, the demand of construction of Static Pressure Pile constantly increases, construction of Static Pressure Pile Environment Day
It is beneficial complicated, new requirement is proposed to construction of Static Pressure Pile device and technique.
At present, in underground indoor construction static pressed pile, static pressed pile device is all utilized in prefabricated pile top arrangement jack,
The structure of reaction frame crossbeam is arranged on jack top, still, due to the limitation of working space, basement roof to basement
Identity distance is from certain, above-mentioned static pressed pile device due to the stop of middle jack and reaction frame crossbeam, and the length of prefabricated pile will
It is restricted, it is impossible to oversize, so that the spreading radical of prefabricated pile increases, joint is on the high side, and risk factor is excessive.
The application is based on background above and produced.
The content of the invention
It is simple in construction the present invention solves the technical problem of a kind of static pressed pile counterforce device and its construction method is provided
Rationally, can effective control joint quantity, mitigate risk, there is safe and reliable, economical rationality, easy construction, can
The duration effectively is saved, and small are influenceed on surrounding enviroment.
In order to solve the above technical problems, one aspect of the present invention is：A kind of static pressed pile counterforce device is provided,
Including：Piling hole both sides and symmetrically arranged two columns are arranged in, the column bottom is fixed on basement bottom board；
Also include centre-hole jack, the centre-hole jack is sleeved on the column, the top of the column is consolidated
Determine limited location block, the top of the centre-hole jack piston rod is fixed on limited block；
Also include the bottom girder being arranged between two columns, the two ends of the bottom girder are respectively sleeved on two columns, and
Bottom girder is located at centre-hole jack bottom, and the bottom of the centre-hole jack is fixed on bottom girder, has in the middle part of the bottom girder
One supplies the through hole that prefabricated pile is passed through；
The through hole of at least two and through hole diameter parallel, the through hole are additionally provided with bottom girder around the through hole
In be equipped with screw-thread steel, the screw-thread steel at the top and bottom of bottom girder respectively carried out by limit screw cap it is spacing, it is described
A cover plate is placed with the top surface of prefabricated pile, the screw-thread steel passes through the upper surface for being located at cover plate on the cover plate, and screw-thread steel
Place is carried out spacing by a limit screw cap.
In a preferred embodiment of the present invention, the column top has external screw thread, and the limited block uses nut, institute
Nut screwing is stated in column top.
In a preferred embodiment of the present invention, three are additionally provided with the bottom girder around the through hole with running through hole axle
The parallel through hole of line, the cover plate is triangular in shape, and three screw-thread steels are each passed through three top corner parts of cover plate.
In a preferred embodiment of the present invention, four are additionally provided with the bottom girder around the through hole with running through hole axle
The parallel through hole of line, the cover plate is square, and four screw-thread steels are each passed through four top corner parts of cover plate.
In a preferred embodiment of the present invention, the prefabricated pile is steel-pipe pile.
In a preferred embodiment of the present invention, the screw-thread steel is fining twisted steel.
In a preferred embodiment of the present invention, there is one and prefabricated pile on the face that the cover plate is in contact with prefabricated pile
The groove that top is engaged.
In a preferred embodiment of the present invention, anchor connection between the column bottom and basement bottom board.
Present invention also offers the construction method of above-mentioned static pressed pile counterforce device, including step in detail below：
A, good piling hole site selected according to design, and dig out the piling hole of certain depth；
B, vertical columns are installed on the basement bottom board of piling hole both sides, and it is very heavy to be respectively mounted bottom girder, punching
Top, limited block and screw-thread steel；
C, prefabricated pile hung in piling hole, prefabricated pile passes through bottom girder at through hole；
D, cover plate is installed at the top of prefabricated pile；
E, startup jack, jack drive bottom girder to move downward, and bottom girder drives cover plate to move downward by screw-thread steel, from
And drive prefabricated pile to move downward, realize piling；
F, treat that prefabricated pile is pressed onto projected depth, unload lower cover, hang another prefabricated pile and carried out with previous prefabricated pile
Splicing, then cover plate continuation piling is installed, so repeat until prefabricated pile total depth reaches design load.
The beneficial effects of the invention are as follows：Static pressed pile counterforce device of the present invention and its construction method, it is simple and reasonable, can
Effective control joint quantity, mitigates risk, has the advantages that safe and reliable, economical rationality, easy construction, can effectively save work
Phase, and small are influenceed on surrounding enviroment.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, it can also obtain other according to these accompanying drawings
Accompanying drawing, wherein：
Fig. 1 is the structural representation of static pressed pile counterforce device in the prior art；
Fig. 2 is the structural representation of the preferred embodiment of static pressed pile counterforce device one of the present invention.
The mark of each part is as follows in accompanying drawing：1st, column, 2, centre-hole jack, 3, limited block, 4, centre-hole jack
Piston rod, 5, bottom girder, 6, through hole, 7, screw-thread steel, 8, limit screw cap, 9, cover plate, 10, prefabricated pile.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
All other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
Referring to Fig. 2, the embodiment of the present invention includes：
A kind of static pressed pile counterforce device, including：Piling hole both sides and symmetrically arranged two columns 1 are arranged in, it is described vertical
The bottom of post 1 is fixed on basement bottom board, anchor connection between the column bottom and basement bottom board, stable connection.
Also include centre-hole jack 2, the centre-hole jack 2 is sleeved on the column 1, the top of the column 1
End is fixed with limited block 3, specifically, the top of the column 1 has external screw thread, the limited block 3 uses nut, the nut rotation
Close in column top, stable connection, and detachably；The top of the centre-hole jack piston rod 4 is fixed on limited block 3,
Also fixed using removably.
The counterforce device also includes the bottom girder 5 being arranged between two columns, and the two ends of the bottom girder 5 are respectively sleeved at two
On individual column, and bottom girder is located at centre-hole jack bottom, and the bottom of the centre-hole jack is fixed on bottom girder, the bottom
There is a through hole 6 passed through for prefabricated pile 10, the prefabricated pile is steel-pipe pile, by said structure, due to wearing in the middle part of beam
Core type jack piston rod top is fixed, and when starting centre-hole jack, bottom girder will be driven to do vertical direction along column
Up and down motion.
The through hole of at least two and through hole diameter parallel are additionally provided with bottom girder around the through hole 6, it is described logical
Screw-thread steel 7 is equipped with hole, the screw-thread steel is to be located at each at the top and bottom of bottom girder lead on fining twisted steel, the screw-thread steel 7
Cross a limit screw cap 8 and carry out spacing, be placed with a cover plate 9 on the top surface of the prefabricated pile, the screw-thread steel passes through the lid
It is spacing by a limit screw cap progress at the upper surface of cover plate on plate, and screw-thread steel, by said structure, when startup is worn
Core type jack drives bottom girder when moving downward, and bottom girder then drives cover plate to move downward by screw-thread steel, cover plate by prefabricated pile to
Push, realize piling.
It is preferred that, the through hole of three and through hole diameter parallel are additionally provided with the bottom girder around the through hole, it is described
Cover plate is triangular in shape, and is equilateral triangle, and three screw-thread steels are each passed through three top corner parts of cover plate；, apply uniform pressure
Power.
It is preferred that, the through hole of four and through hole diameter parallel are additionally provided with the bottom girder around the through hole, it is described
Cover plate is square, and four screw-thread steels are each passed through four top corner parts of cover plate, so as to apply uniform pressure, figure to prefabricated pile
It is this structure shown in 1.
There is a groove being engaged with prefabricated pile top on the face that the cover plate is in contact with prefabricated pile（Do not show in figure
Go out）, during piling, prefabricated pile top is located in the groove so that piling process is more stablized, and improves piling efficiency and quality.
Present invention also offers the construction method of above-mentioned static pressed pile counterforce device, including step in detail below：
A, good piling hole site selected according to design, and dig out the piling hole of certain depth；
B, vertical columns are installed on the basement bottom board of piling hole both sides, and it is very heavy to be respectively mounted bottom girder, punching
Top, limited block and screw-thread steel；
C, prefabricated pile hung in piling hole, prefabricated pile passes through bottom girder at through hole；
D, cover plate is installed at the top of prefabricated pile；
E, startup jack, jack drive bottom girder to move downward, and bottom girder drives cover plate to move downward by screw-thread steel, from
And drive prefabricated pile to move downward, realize piling；
F, treat that prefabricated pile is pressed onto projected depth, unload lower cover, hang another prefabricated pile and carried out with previous prefabricated pile
Splicing, then cover plate continuation piling is installed, so repeat until prefabricated pile total depth reaches design load.
The present invention method in when hanging prefabricated pile, be specifically divided into following two situations, when through hole at a distance of through hole compared with
When remote, i.e., the space between two adjacent screw-thread steels is larger, and enough prefabricated piles pass through, then only need to get off detachable cover plate,
It can be hung, comparatively this method facilitates due to that need not tear screw-thread steel open, but stability is slightly worse during piling；
When through hole is nearer at a distance of through hole, i.e., the space between two adjacent screw-thread steels is smaller, is insufficient to prefabricated pile
Pass through, then need together to disassemble cover plate and screw-thread steel, you can hung, this method tears screw-thread steel open due to needing,
Comparatively bother, but stability is preferable during piling.
The beneficial effects of the invention are as follows：Static pressed pile counterforce device of the present invention and its construction method, it is simple and reasonable, can
Effective control joint quantity, mitigates risk, has the advantages that safe and reliable, economical rationality, easy construction, can effectively save work
Phase, and small are influenceed on surrounding enviroment.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (9)
1. a kind of static pressed pile counterforce device, it is characterised in that including：It is arranged in piling hole both sides and symmetrically arranged two is stood
Post, the column bottom is fixed on basement bottom board；
Also include centre-hole jack, the centre-hole jack is sleeved on the column, and the top of the column is fixed with
Limited block, the top of the centre-hole jack piston rod is fixed on limited block；
Also include the bottom girder being arranged between two columns, the two ends of the bottom girder are respectively sleeved on two columns, and bottom girder
Positioned at centre-hole jack bottom, the bottom of the centre-hole jack is fixed on bottom girder, has one in the middle part of the bottom girder
The through hole passed through for prefabricated pile；
It is additionally provided with the through hole of at least two and through hole diameter parallel, the through hole and wears on bottom girder around the through hole
Be located at provided with screw-thread steel, on the screw-thread steel at the top and bottom of bottom girder respectively carried out by a limit screw cap it is spacing, it is described prefabricated
A cover plate is placed with the top surface of stake, the screw-thread steel, which passes through on the cover plate, and screw-thread steel to be located at the upper surface of cover plate, to be led to
Cross a limit screw cap progress spacing.
2. static pressed pile counterforce device according to claim 1, it is characterised in that the column top has external screw thread, institute
State limited block and use nut, the nut screwing is in column top.
3. static pressed pile counterforce device according to claim 1, it is characterised in that also set on the bottom girder around the through hole
The through hole of three and through hole diameter parallel are equipped with, the cover plate is triangular in shape, three screw-thread steels are each passed through three of cover plate
Top corner part.
4. static pressed pile counterforce device according to claim 1, it is characterised in that also set on the bottom girder around the through hole
The through hole of four and through hole diameter parallel are equipped with, the cover plate is square, four screw-thread steels are each passed through four of cover plate
Top corner part.
5. static pressed pile counterforce device according to claim 1, it is characterised in that the prefabricated pile is steel-pipe pile.
6. static pressed pile counterforce device according to claim 1, it is characterised in that the screw-thread steel is fining twisted steel.
7. static pressed pile counterforce device according to claim 1, it is characterised in that the face that the cover plate is in contact with prefabricated pile
It is upper that there is a groove being engaged with prefabricated pile top.
8. static pressed pile counterforce device according to claim 1, it is characterised in that the column bottom and basement bottom board it
Between anchor connection.
9. a kind of construction method of static pressed pile counterforce device as described in any one of claim 1 ~ 8, it is characterised in that including with
Lower specific steps：
A, good piling hole site selected according to design, and dig out the piling hole of certain depth；
B, vertical columns are installed on the basement bottom board of piling hole both sides, and have been respectively mounted bottom girder, centre-hole jack, limit
Position block and screw-thread steel；
C, prefabricated pile hung in piling hole, prefabricated pile passes through bottom girder at through hole；
D, cover plate is installed at the top of prefabricated pile；
E, startup jack, jack drive bottom girder to move downward, and bottom girder drives cover plate to move downward by screw-thread steel, so that band
Dynamic prefabricated pile is moved downward, and realizes piling；
F, treat that prefabricated pile is pressed onto projected depth, unload lower cover, hang another prefabricated pile and spliced with previous prefabricated pile,
Cover plate is installed again and continues piling, is so repeated until prefabricated pile total depth reaches design load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510972455.4A CN105442604B (en) | 2015-12-23 | 2015-12-23 | Static pressed pile counterforce device and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510972455.4A CN105442604B (en) | 2015-12-23 | 2015-12-23 | Static pressed pile counterforce device and its construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105442604A CN105442604A (en) | 2016-03-30 |
| CN105442604B true CN105442604B (en) | 2017-08-08 |
Family
ID=55553199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510972455.4A Active CN105442604B (en) | 2015-12-23 | 2015-12-23 | Static pressed pile counterforce device and its construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105442604B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08246454A (en) * | 1995-01-13 | 1996-09-24 | Kouchi Jukikai Kyogyo Kumiai | Static load type pile drawer |
| CN101831925A (en) * | 2010-06-01 | 2010-09-15 | 张百全 | Detection method for static load of pile foundation |
| CN104358260A (en) * | 2014-11-29 | 2015-02-18 | 宋双阳 | Preloaded pressure pile sealing working device of anchor rod static pressure pile |
| CN104762967A (en) * | 2015-04-14 | 2015-07-08 | 中天建设集团有限公司 | Improved anchor rod static pressure pile sealing device and construction method |
| CN205475228U (en) * | 2015-12-23 | 2016-08-17 | 江苏鼎达建筑新技术有限公司 | Static pile counterforce device |
-
2015
- 2015-12-23 CN CN201510972455.4A patent/CN105442604B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08246454A (en) * | 1995-01-13 | 1996-09-24 | Kouchi Jukikai Kyogyo Kumiai | Static load type pile drawer |
| CN101831925A (en) * | 2010-06-01 | 2010-09-15 | 张百全 | Detection method for static load of pile foundation |
| CN104358260A (en) * | 2014-11-29 | 2015-02-18 | 宋双阳 | Preloaded pressure pile sealing working device of anchor rod static pressure pile |
| CN104762967A (en) * | 2015-04-14 | 2015-07-08 | 中天建设集团有限公司 | Improved anchor rod static pressure pile sealing device and construction method |
| CN205475228U (en) * | 2015-12-23 | 2016-08-17 | 江苏鼎达建筑新技术有限公司 | Static pile counterforce device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105442604A (en) | 2016-03-30 |
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Address after: 213015 Jiangsu province Changzhou City Zhonglou District Mushu Road No. 10 Co-patentee after: Changzhou Institute of building science group Limited by Share Ltd Patentee after: Jiangsu Dingda Building New Technology Co., Ltd. Address before: 213015 Jiangsu province Changzhou City Zhonglou District Mushu Road No. 10 Co-patentee before: Changzhou Architectural Research Institute Co., Ltd. Patentee before: Jiangsu Dingda Building New Technology Co., Ltd. |
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Effective date of registration: 20190515 Address after: 213015 No. 10 Mushu Road, Zhonglou District, Changzhou City, Jiangsu Province Co-patentee after: Changzhou Institute of building science group Limited by Share Ltd Patentee after: Jiangsu Dingda Building New Technology Co., Ltd. Co-patentee after: Nanjing Kejie Quality Testing of Construction Co., Ltd. Address before: 213015 No. 10 Mushu Road, Zhonglou District, Changzhou City, Jiangsu Province Co-patentee before: Changzhou Institute of building science group Limited by Share Ltd Patentee before: Jiangsu Dingda Building New Technology Co., Ltd. |
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