CN105442604A - Static pressure pile counterforce device and construction method thereof - Google Patents
Static pressure pile counterforce device and construction method thereof Download PDFInfo
- Publication number
- CN105442604A CN105442604A CN201510972455.4A CN201510972455A CN105442604A CN 105442604 A CN105442604 A CN 105442604A CN 201510972455 A CN201510972455 A CN 201510972455A CN 105442604 A CN105442604 A CN 105442604A
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- CN
- China
- Prior art keywords
- hole
- cover plate
- pile
- screw
- bottom girder
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- 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.)
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Classifications
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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
Abstract
The invention discloses a static pressure pile counterforce device which comprises two upright columns, center hole jacks which sleeve the upright columns respectively and a bottom beam, wherein a limiting block is fixed to the top end of each upright column; the top end of a piston rod of each center hole jack is fixed to the corresponding limiting block; the two ends of the bottom beam sleeve the two upright columns respectively; the bottoms of the center hole jacks are fixed to the bottom beam; a perforating hole is formed in the middle part of the bottom beam; at least two through holes are also formed in the bottom beam on the periphery of the perforating hole; threaded steel penetrates through each through hole; the position of each threaded steel on the upper surface of the bottom beam is limited by a limiting screw cap; a cover plate is placed on the top surface of a precast pile; the threaded steel penetrate through the cover plate; and the position of each threaded steel on the upper surface of the cover plate is limited by a limiting screw cap. The invention also discloses a construction method for the static pressure pile counterforce device. With the mode, the static pressure pile counterforce device and the construction method can effectively control the amount of joints, alleviate risks and have the advantages of safety, reliability, economy, reasonability and convenience in construction.
Description
Technical field
The present invention relates to construction engineering technical field, particularly relate to a kind of static pressed pile counterforce device and construction method thereof.
Background technology
Construction of Static Pressure Pile have noiselessness, friction, without advantages such as impact forces, be widely used in the construction in the intensive place of urban population, along with the fast development of city underground engineering, the demand of construction of Static Pressure Pile constantly increases, construction of Static Pressure Pile environment is day by day complicated, proposes new requirement to construction of Static Pressure Pile device and technique.
At present, when underground indoor construction static pressed pile, static pressed pile device is all adopt to arrange jack on preformed pile top, the structure of reaction frame crossbeam is arranged on jack top, but due to the restriction of working space, basement roof is certain to basement ground distance, above-mentioned static pressed pile device is due to the stop of middle jack and reaction frame crossbeam, the length of preformed pile will be restricted, can not be oversize, thus the spreading radical of preformed pile increases, joint is on the high side, and risk factor is excessive.
The application produces based on above background.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of static pressed pile counterforce device and construction method thereof, simple and reasonable, can effectively control joint quantity, alleviate risk, there is the advantage of safe and reliable, economical rationality, easy construction, effectively can save the duration, and little on surrounding enviroment impact.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of static pressed pile counterforce device, comprising: be arranged in both sides, piling hole and symmetrically arranged two columns, described column bottom is fixed on basement bottom board;
Also comprise centre-hole jack, described centre-hole jack is sleeved on described column, and the top of described column is fixed with limited block, and the top of described centre-hole jack piston rod is fixed on limited block;
Also comprise the bottom girder be arranged between two columns, the two ends of described bottom girder are set on two columns respectively, and bottom girder is positioned at centre-hole jack bottom, the bottom of described centre-hole jack is fixed on bottom girder, has a through hole passed for preformed pile in the middle part of described bottom girder;
Bottom girder around described through hole is also provided with at least two with the through hole of through hole axis being parallel, screw-thread steel is equipped with in described through hole, the top and bottom place described screw-thread steel being positioned at bottom girder is respectively undertaken spacing by a limit screw cap, the end face of described preformed pile is placed with a cover plate, described screw-thread steel is through this cover plate, and upper surface place screw-thread steel being positioned at cover plate is undertaken spacing by a limit screw cap.
In a preferred embodiment of the present invention, described column top has external screw thread, and described limited block adopts nut, and described nut screwing is on column top.
In a preferred embodiment of the present invention, the bottom girder around described through hole is also provided with three with the through hole of through hole axis being parallel, described 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, the bottom girder around described through hole is also provided with four with the through hole of through hole axis being parallel, described cover plate is in square, and three screw-thread steels are each passed through four top corner parts of cover plate.
In a preferred embodiment of the present invention, described preformed pile is steel pipe pile.
In a preferred embodiment of the present invention, described screw-thread steel is fining twisted steel.
In a preferred embodiment of the present invention, the face that described cover plate and preformed pile contact has a groove matched with preformed pile top.
In a preferred embodiment of the present invention, anchor connection between described column bottom and basement bottom board.
Present invention also offers the construction method of above-mentioned static pressed pile counterforce device, comprise following concrete steps:
A, according to the selected good piling hole site of design, and dig out the piling hole of certain depth;
B, on the basement bottom board of both sides, piling hole, vertical columns is installed, and installs bottom girder, centre-hole jack, limited block and screw-thread steel respectively;
C, preformed pile is hung in piling hole, preformed pile from through hole through bottom girder;
D, install cover plate at preformed pile top;
E, startup jack, jack drives bottom girder to move downward, and bottom girder drives cover plate to move downward by screw-thread steel, thus drives preformed pile to move downward, and realizes piling;
F, treat that preformed pile is pressed onto projected depth, unload lower cover, hang another root preformed pile and splice with last preformed pile, then install cover plate and continue piling, so repeat until preformed pile total depth reaches design load.
The invention has the beneficial effects as follows: static pressed pile counterforce device of the present invention and construction method thereof, simple and reasonable, can effectively control joint quantity, alleviate risk, there is the advantage of safe and reliable, economical rationality, easy construction, effectively can save the duration, and little on surrounding enviroment impact.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of static pressed pile counterforce device in prior art;
Fig. 2 is the structural representation of static pressed pile counterforce device one of the present invention preferred embodiment.
In accompanying drawing, the mark of each parts is as follows: 1, column, and 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, preformed pile.
Detailed description of the invention
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 2, the embodiment of the present invention comprises:
A kind of static pressed pile counterforce device, comprising: be arranged in both sides, piling hole and symmetrically arranged two columns 1, be fixed on basement bottom board, anchor connection between described column bottom and basement bottom board, stable connection bottom described column 1.
Also comprise centre-hole jack 2, described centre-hole jack 2 is sleeved on described column 1, and the top of described column 1 is fixed with limited block 3, concrete, described column 1 top has external screw thread, and described limited block 3 adopts nut, described nut screwing on column top, stable connection, and detachably; The top of described centre-hole jack piston rod 4 is fixed on limited block 3, also adopts removably to fix.
This counterforce device also comprises the bottom girder 5 be arranged between two columns, the two ends of described bottom girder 5 are set on two columns respectively, and bottom girder is positioned at centre-hole jack bottom, the bottom of described centre-hole jack is fixed on bottom girder, there is in the middle part of described bottom girder a through hole 6 passed for preformed pile 10, described preformed pile is steel pipe pile, pass through said structure, because centre-hole jack piston rod top is fixed, when starting centre-hole jack, bottom girder will be driven to move up and down along column vertical direction.
Bottom girder around described through hole 6 is also provided with at least two with the through hole of through hole axis being parallel, screw-thread steel 7 is equipped with in described through hole, described screw-thread steel is fining twisted steel, the top and bottom place described screw-thread steel 7 being positioned at bottom girder is respectively undertaken spacing by a limit screw cap 8, the end face of described preformed pile is placed with a cover plate 9, described screw-thread steel is through this cover plate, and upper surface place screw-thread steel being positioned at cover plate is undertaken spacing by a limit screw cap, pass through said structure, when starting centre-hole jack and driving bottom girder to move downward, bottom girder then drives cover plate to move downward by screw-thread steel, cover plate by preformed pile to pressing down, realize piling.
Preferably, the bottom girder around described through hole is also provided with three with the through hole of through hole axis being parallel, 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.
Preferably, bottom girder around described through hole is also provided with four with the through hole of through hole axis being parallel, described cover plate is in square, and three screw-thread steels are each passed through four top corner parts of cover plate, thus uniform pressure is applied to preformed pile, be this structure shown in Fig. 1.
The face that described cover plate and preformed pile contact has a groove (not shown) matched with preformed pile top, during piling, preformed pile top is arranged in described groove, makes piling process more stable, improves piling efficiency and quality.
Present invention also offers the construction method of above-mentioned static pressed pile counterforce device, comprise following concrete steps:
A, according to the selected good piling hole site of design, and dig out the piling hole of certain depth;
B, on the basement bottom board of both sides, piling hole, vertical columns is installed, and installs bottom girder, centre-hole jack, limited block and screw-thread steel respectively;
C, preformed pile is hung in piling hole, preformed pile from through hole through bottom girder;
D, install cover plate at preformed pile top;
E, startup jack, jack drives bottom girder to move downward, and bottom girder drives cover plate to move downward by screw-thread steel, thus drives preformed pile to move downward, and realizes piling;
F, treat that preformed pile is pressed onto projected depth, unload lower cover, hang another root preformed pile and splice with last preformed pile, then install cover plate and continue piling, so repeat until preformed pile total depth reaches design load.
In method of the present invention when hanging preformed pile, specifically be divided into following two kinds of situations, when through hole is when through hole is far away, namely the space between two adjacent screw-thread steels is comparatively large, and enough preformed piles pass through, then only need detachable cover plate to get off, can hang, this method, owing to not needing to tear screw-thread steel open, facilitates comparatively speaking, but during piling, stability is slightly poor;
When through hole is when through hole is nearer, namely the space between two adjacent screw-thread steels is less, not enough preformed piles pass through, cover plate is then needed to disassemble together with screw-thread steel, can hang, this method tears screw-thread steel open due to needs, bother comparatively speaking, but during piling, stability is better.
The invention has the beneficial effects as follows: static pressed pile counterforce device of the present invention and construction method thereof, simple and reasonable, can effectively control joint quantity, alleviate risk, there is the advantage of safe and reliable, economical rationality, easy construction, effectively can save the duration, and little on surrounding enviroment impact.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (9)
1. a static pressed pile counterforce device, is characterized in that, comprising: be arranged in both sides, piling hole and symmetrically arranged two columns, described column bottom is fixed on basement bottom board;
Also comprise centre-hole jack, described centre-hole jack is sleeved on described column, and the top of described column is fixed with limited block, and the top of described centre-hole jack piston rod is fixed on limited block;
Also comprise the bottom girder be arranged between two columns, the two ends of described bottom girder are set on two columns respectively, and bottom girder is positioned at centre-hole jack bottom, the bottom of described centre-hole jack is fixed on bottom girder, has a through hole passed for preformed pile in the middle part of described bottom girder;
Bottom girder around described through hole is also provided with at least two with the through hole of through hole axis being parallel, screw-thread steel is equipped with in described through hole, the top and bottom place described screw-thread steel being positioned at bottom girder is respectively undertaken spacing by a limit screw cap, the end face of described preformed pile is placed with a cover plate, described screw-thread steel is through this cover plate, and upper surface place screw-thread steel being positioned at cover plate is undertaken spacing by a limit screw cap.
2. static pressed pile counterforce device according to claim 1, is characterized in that, described column top has external screw thread, and described limited block adopts nut, and described nut screwing is on column top.
3. static pressed pile counterforce device according to claim 1, is characterized in that, the bottom girder around described through hole is also provided with three with the through hole of through hole axis being parallel, described cover plate is triangular in shape, and three screw-thread steels are each passed through three top corner parts of cover plate.
4. static pressed pile counterforce device according to claim 1, is characterized in that, the bottom girder around described through hole is also provided with four with the through hole of through hole axis being parallel, described cover plate is in square, and three screw-thread steels are each passed through four top corner parts of cover plate.
5. static pressed pile counterforce device according to claim 1, is characterized in that, described preformed pile is steel pipe pile.
6. static pressed pile counterforce device according to claim 1, is characterized in that, described screw-thread steel is fining twisted steel.
7. static pressed pile counterforce device according to claim 1, is characterized in that, the face that described cover plate and preformed pile contact has a groove matched with preformed pile top.
8. static pressed pile counterforce device according to claim 1, is characterized in that, anchor connection between described column bottom and basement bottom board.
9. a construction method for the static pressed pile counterforce device as described in any one of claim 1 ~ 8, is characterized in that, comprises following concrete steps:
A, according to the selected good piling hole site of design, and dig out the piling hole of certain depth;
B, on the basement bottom board of both sides, piling hole, vertical columns is installed, and installs bottom girder, centre-hole jack, limited block and screw-thread steel respectively;
C, preformed pile is hung in piling hole, preformed pile from through hole through bottom girder;
D, install cover plate at preformed pile top;
E, startup jack, jack drives bottom girder to move downward, and bottom girder drives cover plate to move downward by screw-thread steel, thus drives preformed pile to move downward, and realizes piling;
F, treat that preformed pile is pressed onto projected depth, unload lower cover, hang another root preformed pile and splice with last preformed pile, then install cover plate and continue piling, so repeat until preformed 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 true CN105442604A (en) | 2016-03-30 |
| CN105442604B CN105442604B (en) | 2017-08-08 |
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| 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 |
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| Country | Link |
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| 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 |
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| Publication number | Publication date |
|---|---|
| CN105442604B (en) | 2017-08-08 |
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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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| TR01 | Transfer of patent right |
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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| TR01 | Transfer of patent right |