CN100443670C - Construction method of jacketed pipe-sinking caisson pile - Google Patents
Construction method of jacketed pipe-sinking caisson pile Download PDFInfo
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- CN100443670C CN100443670C CNB2006100947384A CN200610094738A CN100443670C CN 100443670 C CN100443670 C CN 100443670C CN B2006100947384 A CNB2006100947384 A CN B2006100947384A CN 200610094738 A CN200610094738 A CN 200610094738A CN 100443670 C CN100443670 C CN 100443670C
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- stake
- pipe
- steel cylinder
- pile
- ball
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Abstract
The invention relates to a method for producing external-sleeve sink pour post, wherein with said invention, the former sliding friction between post and soil is replaced with rolling friction between rollers or rolling cylinder and the steel cylinder sheath, to reduce the friction; therefore, the post can be drawn out easily; and the steel cylinder sheath can avoid the new poured concrete being affected by soil and underground water. The invention arranges rolling balls or rolling cylinders around the post, to be packed with steel cylinder sheath; then sinks the post into preset position; then puts steel cage into the post, to pour concrete; at last, draws out the post, while the sheathe is left.
Description
Technical field
The present invention relates to a kind of manufacture method of tube-sinking cast-in-situ pile, specifically, it relates to a kind of manufacture method of jacket-type tube-sinking cast-in-situ pile.
The tube-sinking cast-in-situ pile that technical background uses now is that shoe concrete system or steel is installed under the stake pipe, with the method for hammering, vibration or static pressure the stake pipe is sunk to assigned address, puts into reinforcing cage then, and placing of concrete is extracted stake at last and managed and pile.Because the stake pipe is sliding friction with the friction of soil when extracting the stake pipe, so frictional force is very big, the stake pipe is difficult to pull up, therefore be difficult to make the big or long stake of diameter, sometimes in addition the stake pipe pull out to come out the pipe laying accident that causes, the new placing of concrete of pile body directly contacts with underground water with foundation soil simultaneously, easily causes quality accidents such as constriction, broken pile.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of tube-sinking cast-in-situ pile preparation method that reduces tube drawing frictional force and the new placing of concrete of protection is provided.
Construction method of jacketed pipe-sinking caisson pile of the present invention, be to be covered with ball or cylinder at the stake tube outer surface, outside ball or cylinder, wrap again with the steel cylinder overcoat, under the stake pipe, shoe is installed then, again the stake pipe is sunk to assigned address in the foundation soil, put into reinforcing cage again, placing of concrete, extract the stake pipe at last and pile, the steel cylinder overcoat is then stayed the original place and is become pile body with the concrete mutual group.
The another kind of manufacture method of jacket-type tube-sinking cast-in-situ pile of the present invention is: install ball or cylinder at the stake tube outer surface, after ball or cylinder outsourcing are with the steel cylinder overcoat, shoe is not adorned in stake pipe lower end, directly the stake pipe is sunk in the soil, soil in the stake scope tube then enters in the pipe, with artificial or machinery grab bucket the soil in the stake pipe is all taken out then, and a stake pipe internal surface is cleaned out, put into reinforcing cage again, placing of concrete, at last the stake pipe is extracted and pile, the steel cylinder overcoat is then stayed the original place and is become pile body with the concrete mutual group.
Jacket-type tube-sinking cast-in-situ pile of the present invention; because cloth ball or cylinder have been expired in the stake tube outside; what extract that when pipe stake will overcome is force of rolling friction between ball or cylinder and the steel cylinder overcoat; the force of sliding friction that will overcome during than traditional tube-sinking cast-in-situ pile tube drawing between stake pipe and the foundation soil lacks a lot; therefore can make bigger and longer stake; avoided not pull out the accident of a pipe; the steel cylinder overcoat is stayed in the stake simultaneously; can protect the concrete of new pouring directly not contact with underground water with foundation soil; avoided constriction; broken pile; quality accidents such as pile body folder mud help guaranteeing pile quality.
Description of drawings
Fig. 1 is the longitudinal plan of jacket-type tube-sinking cast-in-situ pile stake pipe when sinking to assigned address of band shoe;
Fig. 2 is the longitudinal plan when not being with the jacket-type tube-sinking cast-in-situ pile stake pipe of shoe to sink to assigned address;
Fig. 3 is the drawing in side sectional elevation that the external surface of jacket-type tube-sinking cast-in-situ pile has been adorned the stake pipe of ball and steel cylinder overcoat;
Fig. 4 is the partial enlarged drawing in vertical section of a pipe of band steel ball and steel cylinder overcoat;
Fig. 5 is the vertical section partial enlarged drawing of the stake pipe bottom of the band steel ball of no shoe autofrettage and steel cylinder overcoat.
Among the figure: stake pipe 1 web 2 steel balls 3 steel ball supporting cylinders 4 steel cylinder overcoats 5
Soil 10 in 9 pipes of pre-buried doughnut-shaped steel plate 6 shoe 7 protection rings, 8 stiffening rings of shoe shoulder
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail.
Fig. 1 is the longitudinal plan when the pile sinking pipe arrives assigned address under the jacket-type tube-sinking cast-in-situ pile of band shoe of diameter phi 800, its king-pile pipe 1 is the steel pipe of external diameter φ 776 thick 20, stake pipe 1 lower end is at pipe external welding external diameter φ 792, the junction plate 2 that the doughnut-shaped steel plate of internal diameter φ 776 thick 2 is made, the steel ball 3 of diameter phi 10, external diameter φ 790, the high 1998 steel ball supporting cylinders 4 that the steel plate of internal diameter φ 786 thick 2 is made, have the circular opening that steel ball is installed on the steel ball supporting cylinder 4, circular hole is in the diameter phi 10 of the inboard of supporting cylinder 4, diameter phi 8 in the supporting cylinder outside, the arc surface of circular hole is identical with the steel ball surface, the center to center distance 15 of adjacent circular holes, the distance at the center of the circular hole at the two ends up and down of close supporting cylinder and the edge of supporting cylinder is 9, steel ball promptly is inserted in the pipe after installing on the supporting steel cylinder, be inserted in web 2 again, supporting cylinder and web firm welding up and down, steel ball and supporting cylinder so alternately are installed to the top of straight stake pipe, stake pipe top stays 100 and highly steel ball is not installed in order to avoid broken by pile monkey, steel ball and supporting cylinder install the outside, back and wrap the steel cylinder overcoat made from the steel plate of external diameter φ 800 of thick 25 again, steel cylinder overcoat seam crossing firm welding is tight, in case underground water, soil enters in the steel cylinder overcoat, load onto shoe 7 in the stake pipe bottom that installs steel ball and steel cylinder overcoat then, the pre-buried external diameter φ 800 of shoe shoulder, internal diameter φ 740, thick 3 doughnut-shaped steel plate, and steel cylinder overcoat and the pre-buried doughnut-shaped steel plate 7 of shoe shoulder welded, again the effective pile driver of stake is sunk to assigned address, put into reinforcing cage, placing of concrete is extracted the stake pipe and pile at last.The steel cylinder overcoat is then stayed the part that the original place becomes stake.
Because the outer steel ball of filling of stake pipe, the frictional force that will overcome during the pile pulling pipe is the force of rolling friction between steel ball and the steel cylinder overcoat, the stake pipe and the force of sliding friction between the foundation soil that will overcome during than present tube-sinking cast-in-situ pile pile pulling pipe are little a lot, so tube drawing is easy, can not cause the accident of pile anchoring pipe, can make the bigger and longer stake of length of diameter, and concrete waters in the steel cylinder overcoat, avoid quality accidents such as constriction that foundation soil and influence on groundwater cause, broken pile, folder mud, improved pile quality.
Embodiment 2:
Fig. 2 be diameter phi 800 not with the longitudinal plan of jacket-type tube-sinking cast-in-situ pile when the stake pipe sinks to assigned address of the type that fetches earth of shoe; its king-pile pipe 1; junction plate 2 except that bottom one of stake pipe; steel ball 3; the structure of steel ball supporting cylinder 4 is identical with embodiment 1 with installation; stake pipe web bottom change into identical in external diameter thick be that 10 steel plate is made protection ring 8; stiffening ring 9 is installed in lower end at steel cylinder overcoat 5; stiffening ring 9 usefulness external diameter φ 806; top internal diameter φ 786; annular steel plate and the external diameter φ 806 of bottom internal diameter φ 792 thick 3; internal diameter φ 800; cylinder two parts that high 50 thick 3 steel plate is made are welded; steel cylinder overcoat 5 is packed in the stiffening ring 9; the base that makes steel cylinder overcoat 5 is from the bottom of stiffening ring 9 annular steel plate 10; weld with electric welding; steel cylinder overcoat 5 installs the back the effective stake of stake machine is sunk to assigned address; at this moment the soil in the stake pipe circumference range is clamp-oned in the pipe; clean out with a soil and a stake pipe internal surface that machinery grab bucket or artificial method are taken out in the pipe; put into reinforcing cage again; placing of concrete; extract the stake pipe at last and pile; 5 in steel cylinder overcoat is stayed the part that the original place becomes stake, and this manufacture method is applicable to the situation of the big or foundation soil of a diameter to the soil compaction effect sensitivity.
Claims (2)
1, a kind of manufacture method of jacket-type tube-sinking cast-in-situ pile, it is characterized in that outside the stake pipe, being covered with ball, ball supports with the supporting steel cylinder, be covered with the diameter hole slightly littler on the supporting steel cylinder than ball diameter, ball is installed between supporting steel cylinder and the stake pipe, the supporting steel cylinder links fixing with the effective web of stake at a certain distance, ball wraps outward with the steel cylinder overcoat again, under the stake pipe, load onto shoe, then the effective pile driver of stake is sunk to the design assigned address, in the stake pipe, put into reinforcing cage, placing of concrete, extract the stake pipe again and pile, the steel cylinder overcoat is then stayed the part that the original place becomes stake.
2, the manufacture method of jacket-type tube-sinking cast-in-situ pile according to claim 1, it is characterized in that not adorning shoe under the stake pipe, directly the effective pile driver of stake of band ball and steel cylinder overcoat is sunk to the design assigned address, with artificial or machinery grab bucket the soil in the stake pipe is scooped away then, clean stake inside pipe wall cleaning, in the stake pipe, put into reinforcing cage again, placing of concrete, extract stake pipe at last and pile, the steel pipe overcoat is then stayed the original place and is become the part of stake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100947384A CN100443670C (en) | 2006-07-13 | 2006-07-13 | Construction method of jacketed pipe-sinking caisson pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100947384A CN100443670C (en) | 2006-07-13 | 2006-07-13 | Construction method of jacketed pipe-sinking caisson pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1908320A CN1908320A (en) | 2007-02-07 |
| CN100443670C true CN100443670C (en) | 2008-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100947384A Expired - Fee Related CN100443670C (en) | 2006-07-13 | 2006-07-13 | Construction method of jacketed pipe-sinking caisson pile |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108385673B (en) * | 2018-03-14 | 2020-09-04 | 兰州有色冶金设计研究院有限公司 | Miniature upper filling ball sleeve pile and construction method thereof |
| CN108797575B (en) * | 2018-06-15 | 2020-12-22 | 山东科技大学 | Extending arm type steel pipe pile and construction method thereof |
| CN108797574B (en) * | 2018-06-15 | 2020-12-22 | 山东科技大学 | Large-diameter cantilever type steel pipe pile and construction method thereof |
| CN108797576B (en) * | 2018-06-15 | 2020-12-22 | 山东科技大学 | Steel pipe pile with oblique extending arm and construction method thereof |
| CN109680687B (en) * | 2019-01-17 | 2021-02-05 | 江西联保工程咨询有限公司 | Pile platform integrated forming construction process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2300210A (en) * | 1995-04-24 | 1996-10-30 | Chan Yat S | Piling |
| CN1194319A (en) * | 1997-03-26 | 1998-09-30 | 福建建专基础工程公司 | Pile forming method for tube immersing and drilling concrete pile |
| CN2352579Y (en) * | 1998-08-14 | 1999-12-08 | 林誊 | Structure for isolating double mould-pipe base for making pile |
-
2006
- 2006-07-13 CN CNB2006100947384A patent/CN100443670C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2300210A (en) * | 1995-04-24 | 1996-10-30 | Chan Yat S | Piling |
| CN1194319A (en) * | 1997-03-26 | 1998-09-30 | 福建建专基础工程公司 | Pile forming method for tube immersing and drilling concrete pile |
| CN2352579Y (en) * | 1998-08-14 | 1999-12-08 | 林誊 | Structure for isolating double mould-pipe base for making pile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1908320A (en) | 2007-02-07 |
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Granted publication date: 20081217 Termination date: 20100713 |