CN102660946A - Grouting pile head of tubular pile and application method thereof - Google Patents
Grouting pile head of tubular pile and application method thereof Download PDFInfo
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- CN102660946A CN102660946A CN2012101745775A CN201210174577A CN102660946A CN 102660946 A CN102660946 A CN 102660946A CN 2012101745775 A CN2012101745775 A CN 2012101745775A CN 201210174577 A CN201210174577 A CN 201210174577A CN 102660946 A CN102660946 A CN 102660946A
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- pile
- pile tube
- slip casting
- standpipe
- inlet pipe
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Abstract
The invention relates to a grouting pile head of a tubular pile and an application method of the grouting pile head. The grouting pile head of tubular pile comprises an inverted cone with an upper opening, wherein an upper plate welded with the lower end part of the tubular pile is arranged on the upper opening of the inverted cone, a longitudinal slurry inlet pipe vertically passes through the middle part of the upper plate, the lower end part of the longitudinal slurry inlet pipe is communicated with a plurality of slurry spray pipes, the slurry spray pipes are radially arranged in the inner cavity of the inverted cone, and slurry spray openings are located on the conical surface of the inverted cone, cover plates are arranged on the slurry spray openings to prevent soil from being extruded into the slurry spray pipes when the pile is pressed, and the upper end part of the longitudinal slurry inlet pipe is connected with a vertical grouting pipe inserted in the tubular pile. The grouting pile head of tubular pile has simple structure and relatively low cost, and high pressure cement slurry can be grouted in the end part of the tubular pile pegged in the soil through the vertical grouting pipe to reinforce the soil property of the end part of the tubular pile and expand the supporting area of the end part of the tubular pile, thereby improving the bearing capacity of the tubular pile.
Description
Technical field
The present invention relates to a kind of pile tube slip casting pile crown and method for using thereof.
Background technology
Pile for prestressed pipe has many advantages, is widely used in the engineering construction.But the supporting capacity of current piling machinery ability and surface soil layer is limited.For the hard decomposed rock, the piling difficulty; And in soft soil, the bearing capacity of stake end is little.Therefore, the bearing capacity of pile for prestressed pipe can't well be brought into play.
Summary of the invention
The object of the present invention is to provide a kind of pile tube slip casting pile crown and method for using thereof; This pile tube grouting pile header structure is simple; Cost is cheap relatively; Cooperate the slip casting standpipe to pour into water under high pressure mud,, improved the bearing capacity of pile tube with soil property that strengthens pipe pile end portion and the Area of bearing that enlarges pipe pile end portion to the pipe pile end portion of squeezing among the figure.
Technical program of the present invention lies in: a kind of pile tube slip casting pile crown; Comprise that one has the reverse taper of upper shed; The upper shed of said reverse taper is provided with the upper plate that is used for the welding of pile tube bottom, and said upper plate middle part vertically is equipped with vertical inlet pipe, and the bottom of said vertical inlet pipe is connected with some shotcrete pipes; Those shotcrete pipes radially are arranged in the reverse taper inner chamber and mouth spray is positioned on the conical surface of reverse taper; Said mouth spray is provided with cover plate, and when preventing piling, earth is clamp-oned in the shotcrete pipe; Said cover plate is wooden cover plate, metal cover board, plastic cover plate or rubber cover plate, and the upper end of the said vertical inlet pipe slip casting standpipe interior with being located in pile tube is connected.
In one embodiment, the upper end outer peripheral face of said vertical inlet pipe is the conical surface, and is provided with rubber gasket.
In one embodiment, said reverse taper inner chamber also is provided with deep floor, is used to strengthen the structural rigidity of reverse taper.
In one embodiment, said reverse taper inner chamber is cast with concrete, to strengthen the structural rigidity of reverse taper.
In one embodiment, the perimembranous of said upper plate is connected with wing plate.
Another technical scheme of the present invention is to provide a kind of method for using of pile tube slip casting pile crown, carries out according to the following steps:
(1) crouches at pile tube and penetrate the slip casting standpipe isometric when putting state, and interim locating pad is set, make the slip casting standpipe be positioned at the central axis place of pile tube at the two ends of pile tube with pile tube;
(2) at an end of pile tube welding pile tube grouting pile head: the inlet pipe of pile tube slip casting pile crown is docked with the slip casting standpipe, and take off the locating pad on this end;
(3) pile tube is erected, and carry out piling work;
(4) pile extension welding: the slip casting standpipe in the preceding paragraph pile tube is docked with slip casting standpipe in next section pile tube that is pressed in the soil, and take off the locating pad that is arranged on the pile tube;
(5) slip casting operation: the slip casting standpipe is docked with grouting equipment, and inject water under high pressure mud or concrete;
(6) the slip casting standpipe is separated with inlet pipe, promote slip casting standpipe and segmentation dismounting, end-of-job.
In the above-mentioned steps (4), should be provided with the instrument pad between the preceding paragraph pile tube and next section pile tube,, and the connection space of slip casting standpipe is provided so that the preceding paragraph pile tube and the maintenance of next section pile tube are static relatively.
The invention has the advantages that: pile tube slip casting pile crown of the present invention can be used on and need strengthen the pile for prestressed pipe engineering of bearing capacity from the stake end; It does not change original pile pressing technology; Only increase the bearing capacity that a spot of cost just can improve pile for prestressed pipe greatly; Can make original inapplicable soil property, through can be used as bearing stratum after the said method enhancing construction; The 3rd, help shortening the length of squeezing into pile tube in the soil, and can improve the resistance to plucking ability of pile for prestressed pipe greatly, it is wider to make pile for prestressed pipe get the scope of application.
Description of drawings
Fig. 1 is pile tube slip casting pile crown and the pile tube mounting structure sketch map among the embodiment.
Fig. 2 is the schematic top plan view of the pile tube slip casting pile crown among the embodiment.
Among the figure: 1-reverse taper, 2-pile tube, 3-upper plate, 4-vertically inlet pipes, 5-shotcrete pipe, 6-cover plate, 7-slip casting standpipe, 8-deep floor, 9-wing plate, 10-rubber gasket.
The specific embodiment
For letting the above-mentioned feature and advantage of the present invention can be more obviously understandable, hereinafter is special lifts embodiment, and conjunction with figs., elaborates as follows.
Pile tube slip casting pile crown of the present invention comprises that one has the reverse taper 1 of upper shed; The upper shed of said reverse taper 1 is provided with the upper plate 3 that is used for the welding of pile tube 2 bottoms; Said upper plate 3 middle parts vertically are equipped with vertical inlet pipe 4; The bottom of said vertical inlet pipe 4 is connected with some shotcrete pipes 5, and those shotcrete pipes 5 radially are arranged in reverse taper 1 inner chamber and mouth spray is positioned on the conical surface of reverse taper, and said mouth spray is provided with cover plate 6; When preventing piling; Earth is clamp-oned in the shotcrete pipe, and said cover plate is wooden cover plate, metal cover board, plastic cover plate or rubber cover plate, and the upper end of said vertical inlet pipe 4 is connected with slip casting standpipes 7 in being located in pile tube 2.
In the present embodiment, the upper end outer peripheral face of said vertical inlet pipe is the conical surface, promptly up-small and down-big form, and be provided with rubber gasket 10.
In the present embodiment, said reverse taper 1 inner chamber also is provided with deep floor 8, is used to strengthen the structural rigidity of reverse taper.
In other embodiments, said reverse taper 1 inner chamber is cast with concrete, to strengthen the structural rigidity of reverse taper.
In the present embodiment, the perimembranous of said upper plate is connected with wing plate 9.
The method for using of above-mentioned pile tube grouting pile head, carry out according to the following steps:
(1) crouches at pile tube 2 and penetrate the slip casting standpipe 7 isometric when putting state, and interim locating pad is set, make slip casting standpipe 7 be positioned at the central axis place of pile tube at the two ends of pile tube 2 with pile tube 2;
(2) at an end of pile tube 2 welding pile tube grouting pile head: the inlet pipe of pile tube slip casting pile crown is docked with the slip casting standpipe, and take off the locating pad on this end;
(3) pile tube is erected, and carry out piling work;
(4) pile extension welding: the slip casting standpipe in the preceding paragraph pile tube is docked with slip casting standpipe in next section pile tube that is pressed in the soil, and take off the locating pad that is arranged on the pile tube;
(5) slip casting operation: the slip casting standpipe is docked with grouting equipment, and inject water under high pressure mud or concrete;
(6) the slip casting standpipe is separated with inlet pipe, promote slip casting standpipe and segmentation dismounting, end-of-job.
In the above-mentioned steps (4), should be provided with the instrument pad between the preceding paragraph pile tube and next section pile tube,, and the connection space of slip casting standpipe is provided so that the preceding paragraph pile tube and the maintenance of next section pile tube are static relatively.
The above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (7)
1. pile tube slip casting pile crown; It is characterized in that: comprise that one has the reverse taper of upper shed, the upper shed of said reverse taper is provided with the upper plate that is used for the welding of pile tube bottom, and said upper plate middle part vertically is equipped with vertical inlet pipe; The bottom of said vertical inlet pipe is connected with some shotcrete pipes; Those shotcrete pipes radially are arranged in the reverse taper inner chamber and mouth spray is positioned on the conical surface of reverse taper, and said mouth spray is provided with cover plate, when preventing piling; Earth is clamp-oned in the shotcrete pipe, and the upper end of the said vertical inlet pipe slip casting standpipe interior with being located in pile tube is connected.
2. pile tube slip casting pile crown according to claim 1 is characterized in that: the upper end outer peripheral face of said vertical inlet pipe is the conical surface, and is provided with rubber gasket.
3. pile tube slip casting pile crown according to claim 1 is characterized in that: said reverse taper inner chamber also is provided with deep floor, is used to strengthen the structural rigidity of reverse taper.
4. pile tube slip casting pile crown according to claim 1 is characterized in that: said reverse taper inner chamber is cast with concrete, to strengthen the structural rigidity of reverse taper.
5. pile tube slip casting pile crown according to claim 1, it is characterized in that: the perimembranous of said upper plate is connected with wing plate.
6. the method for using of a pile tube slip casting pile crown is characterized in that, carries out according to the following steps:
(1) crouches at pile tube and penetrate the slip casting standpipe isometric when putting state, and interim locating pad is set, make the slip casting standpipe be positioned at the central axis place of pile tube at the two ends of pile tube with pile tube;
(2) at an end of pile tube welding pile tube grouting pile head: the inlet pipe of pile tube slip casting pile crown is docked with the slip casting standpipe, and take off the locating pad on this end;
(3) pile tube is erected, and carry out piling work;
(4) pile extension welding: the slip casting standpipe in the preceding paragraph pile tube is docked with slip casting standpipe in next section pile tube that is pressed in the soil, and take off the locating pad that is arranged on the pile tube;
(5) slip casting operation: the slip casting standpipe is docked with grouting equipment, and inject water under high pressure mud or concrete;
(6) the slip casting standpipe is separated with inlet pipe, promote slip casting standpipe and segmentation dismounting, end-of-job.
7. the method for using of pile tube slip casting pile crown according to claim 6; It is characterized in that: in the above-mentioned steps (4); Should be provided with the instrument pad between the preceding paragraph pile tube and next section pile tube,, and the connection space of slip casting standpipe is provided so that the preceding paragraph pile tube and the maintenance of next section pile tube are static relatively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210174577.5A CN102660946B (en) | 2012-05-31 | 2012-05-31 | Grouting pile head of tubular pile and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210174577.5A CN102660946B (en) | 2012-05-31 | 2012-05-31 | Grouting pile head of tubular pile and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102660946A true CN102660946A (en) | 2012-09-12 |
| CN102660946B CN102660946B (en) | 2015-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210174577.5A Expired - Fee Related CN102660946B (en) | 2012-05-31 | 2012-05-31 | Grouting pile head of tubular pile and application method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102660946B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603345A (en) * | 2013-10-31 | 2014-02-26 | 周兆弟 | Cement mixing grouting pile foundations and forming method |
| CN103603336A (en) * | 2013-10-31 | 2014-02-26 | 周兆弟 | Grouting precast pile and grouting method |
| CN104514221A (en) * | 2014-12-04 | 2015-04-15 | 中科院广州化灌工程有限公司 | Rear side grouting device for pile |
| CN104594357A (en) * | 2015-01-19 | 2015-05-06 | 赵连平 | Grouting device after statically pressing or hammering concrete precast tubular pile base and grouting method |
| CN110805037A (en) * | 2019-11-11 | 2020-02-18 | 宝山钢铁股份有限公司 | One-time pile sinking construction method for precast tubular pile |
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| GB552928A (en) * | 1941-10-28 | 1943-04-30 | Braithwaite And Company Engine | Improvements in and relating to screw piles and cylinders |
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| CN2148095Y (en) * | 1992-12-28 | 1993-12-01 | 连云港市机械化施工公司 | Large penetration force pile shoe |
| CN1199802A (en) * | 1997-05-15 | 1998-11-25 | 杨远辉 | Special drilling tool to bore hole in gravel layer |
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| CN1439776A (en) * | 2003-01-15 | 2003-09-03 | 刘润郊 | Method and apparatus for pile making by boring and pumping mass concrete and rotation jetting slurry |
| CN2756706Y (en) * | 2004-11-05 | 2006-02-08 | 宁波市机电工业研究设计院 | Pile bottom pust filling prestress pipe pile |
| CN2858774Y (en) * | 2005-12-29 | 2007-01-17 | 王永强 | Gunite type pile tip for prestressed pipe pile |
| CN201132955Y (en) * | 2007-12-05 | 2008-10-15 | 中北大学 | Synchronized static pressure grouting precast pile device |
| CN201526045U (en) * | 2009-11-06 | 2010-07-14 | 唐良华 | Composite pipe pile |
| CN202577290U (en) * | 2012-05-31 | 2012-12-05 | 福州市第三建筑工程公司 | Pipe pile grouting pile head |
-
2012
- 2012-05-31 CN CN201210174577.5A patent/CN102660946B/en not_active Expired - Fee Related
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191407085A (en) * | 1914-03-20 | 1914-12-31 | Charles Ferrar | Improvements in or relating to the Strengthening of Substrata and Apparatus therefor. |
| GB552928A (en) * | 1941-10-28 | 1943-04-30 | Braithwaite And Company Engine | Improvements in and relating to screw piles and cylinders |
| GB1146257A (en) * | 1967-07-18 | 1969-03-26 | John Joseph Dougherty | A pile driving shoe |
| CN2148095Y (en) * | 1992-12-28 | 1993-12-01 | 连云港市机械化施工公司 | Large penetration force pile shoe |
| CN1078760A (en) * | 1993-02-22 | 1993-11-24 | 陶义 | Driving pre-fabricated pile is gone into job practices in the stratum |
| CN1199802A (en) * | 1997-05-15 | 1998-11-25 | 杨远辉 | Special drilling tool to bore hole in gravel layer |
| CN2501914Y (en) * | 2001-10-26 | 2002-07-24 | 肇庆市宏基基础工程有限公司 | Square cone shape pile pin for building tubular pile foundation |
| CN1439776A (en) * | 2003-01-15 | 2003-09-03 | 刘润郊 | Method and apparatus for pile making by boring and pumping mass concrete and rotation jetting slurry |
| CN2756706Y (en) * | 2004-11-05 | 2006-02-08 | 宁波市机电工业研究设计院 | Pile bottom pust filling prestress pipe pile |
| CN2858774Y (en) * | 2005-12-29 | 2007-01-17 | 王永强 | Gunite type pile tip for prestressed pipe pile |
| CN201132955Y (en) * | 2007-12-05 | 2008-10-15 | 中北大学 | Synchronized static pressure grouting precast pile device |
| CN201526045U (en) * | 2009-11-06 | 2010-07-14 | 唐良华 | Composite pipe pile |
| CN202577290U (en) * | 2012-05-31 | 2012-12-05 | 福州市第三建筑工程公司 | Pipe pile grouting pile head |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603345A (en) * | 2013-10-31 | 2014-02-26 | 周兆弟 | Cement mixing grouting pile foundations and forming method |
| CN103603336A (en) * | 2013-10-31 | 2014-02-26 | 周兆弟 | Grouting precast pile and grouting method |
| CN103603345B (en) * | 2013-10-31 | 2017-01-11 | 周兆弟 | Cement mixing grouting pile foundations and forming method |
| CN103603336B (en) * | 2013-10-31 | 2017-01-11 | 周兆弟 | Grouting precast pile and grouting method |
| CN104514221A (en) * | 2014-12-04 | 2015-04-15 | 中科院广州化灌工程有限公司 | Rear side grouting device for pile |
| CN104594357A (en) * | 2015-01-19 | 2015-05-06 | 赵连平 | Grouting device after statically pressing or hammering concrete precast tubular pile base and grouting method |
| CN110805037A (en) * | 2019-11-11 | 2020-02-18 | 宝山钢铁股份有限公司 | One-time pile sinking construction method for precast tubular pile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102660946B (en) | 2015-02-11 |
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Granted publication date: 20150211 Termination date: 20210531 |
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