CN104074183A - Drilling and concrete injected root composite pile implanting pile structure and construction method - Google Patents
Drilling and concrete injected root composite pile implanting pile structure and construction method Download PDFInfo
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- CN104074183A CN104074183A CN201410313816.XA CN201410313816A CN104074183A CN 104074183 A CN104074183 A CN 104074183A CN 201410313816 A CN201410313816 A CN 201410313816A CN 104074183 A CN104074183 A CN 104074183A
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Abstract
The invention discloses a drilling and concrete injected root composite pile implanting pile structure. The drilling and concrete injected root composite pile implanting pile structure comprises a pile hole, a pipe pile which is implanted into the pile hole and concrete layers between the pipe pile and the pile hole and inside the pipe pile walls. The implanting pile structure construction method comprises the following steps of (1) drilling the pile hole with the diameter larger than that of the pipe pile in a required pile position in the foundation through drilling machinery; (2) pouring concrete into the pile hole root through a grouting pipe; (3) inserting a prepared pipe pile into the pile hole which is poured with concrete, enabling the concrete to move upward along the pipe wall of the pipe pile and a gap between the pipe pile and the pile hole and performing concrete consolidation forming after pile implanting is achieved. The composite pile implanting pile structure has a high bearing capacity as a drilling pipe and is superior to the drilling pipe in cost. The implanting pile structure construction method needs no mud retaining wall, is environmental friendly in construction progress and shortens the construction days.
Description
Technical field
The present invention relates to building material technical field, relate to the compound pile that a kind of boring and root inject concrete and plant pilework, also relate to this compound pile and plant the construction method of pilework.
Background technology
Along with the development of concrete technology, the technology of concrete tubular pile also reaches its maturity, and except being applied to industry, civilian construction, is also widely used in each fields such as bridge, harbour, railway or hydraulic engineering.At present, along with the scale in city constantly increases, along with the fast development of urban construction, the land resources that can be used for construction is fewer and feweri, and therefore building construction develops to high level, and various high levels and super highrise building become the leading of current construction.For the Foundation Design of high level and super highrise building, the requirement of foundation bearing capacity is more and more higher, and building settlement deformation requirements is also more and more higher.For meeting bearing capacity and deformation requirements, design often adopts profound large-section in-situ concrete pile pile foundation.
For example, although, still there are many shortcomings: in extensive use in existing preformed pile construction: the collateral resistance performance of soft foundation king-pile week not exclusively; In soft foundation, under vertical compression load, pile strength can not be given full play to; Easily there is not pile body inclining in excavation construction, causes the infringement to pile body at that time; When improper the and pile crown structure of welding procedure is dealt with improperly, producing anti-pulling capacity cannot meet the demands; The problems such as deformation performance is not high enough, fragility destruction.
Existing preformed pile is generally constructed as main taking hammer piling, static pressure pile-sinking, often also exists soil compaction, in construction, peripheral facilities (undreground works, pipeline) is had to impact; Construction power consumption is high, produce noise and air pollution; While penetrating various interlayer, easily pile body is caused the infringement of macroscopic view or microcosmic when difficult construction wrong; Stake top mark is high-leveled and difficult to control, and destroys or the prestressed variation of pile body and cut the improper pile crown that easily causes of stake; Stake is long restricted, can not meet the problem such as high level or Super High requirement for bearing capacity.In addition, also there is following problem in existing castinplace pile: necking down, and mud emission becomes social concern; Pile bottom sediments etc. happen occasionally, and pile quality fluctuation is stable greatly not; The uneven phenomenon of the high easily generation of stake top mark, when excavation construction, difficulty is large; It is clean and tidy that scene is difficult to keep; Speed of application is slow, and efficiency is low; Folk prescription concrete conversion bearing capacity is only PHC stake 30% to 40%, and it is insufficient etc. that limited resources utilize.
Summary of the invention
The object of the invention is to for deficiency of the prior art, the compound pile that provides a kind of boring and root to inject concrete is planted pilework, adopts part drilled pile equipment, has higher bearing capacity, energy-saving and emission-reduction, and speed of application is accelerated.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of boring and root inject the compound pile of concrete and plant pilework, comprises the layer of concrete between pile tube, pile tube and the stake hole in a hole, embedded pile hole and in pile tube wall.
Further, described pile tube comprises one or more in steel pipe pile, PHC pile tube, PC pile tube, TSC pile tube.
Another object of the present invention is to provide a kind of boring and root to inject the construction method of the compound pile of concrete, comprise the following steps:
(1) boring: guide pile hole, utilize drilling machine required stake position in ground to get out the stake hole that a diameter is greater than pile tube, be drilled into design hole depth, rig shifts out a hole, and residue in cleaning hole;
(2) note concrete: by Grouting Pipe to stake hole root concrete perfusion;
(3) plant stake: ready pile tube is inserted to fill with to be had in concrete stake hole, can insert successively as required more piece pile tube, concrete moves up with the gap between stake hole along tube wall and the pile tube of pile tube, plant complete after concrete setting moulding.
The diameter in the hole of further, boring in soil in described step (1) is than the diameter 10cm of pile tube.
Further, the concrete in described step (2) is C25～C35 concrete.
Further, in described step (3), the diameter of pile tube is 400～1200mm.
Beneficial effect of the present invention:
1, the high-bearing capacity of planting pilework and have drilled pile of compound pile of the present invention;
2, compound pile of the present invention adopts equipment and the part technique of drilled pile, but its cost has more advantage compared with drilled pile;
3, the present invention is without mud off, not only work progress environmental protection more, and shortened the duration, the whole duration has been saved approximately 25% left and right compared with drilled pile.
Brief description of the drawings
Fig. 1 be compound pile of the present invention plant pilework structural representation.
Detailed description of the invention
Below in conjunction with specific embodiment, technical scheme of the present invention is elaborated.
Refer to Fig. 1, plant pilework for the compound pile of a kind of boring of the present invention and root injection concrete, comprise the layer of concrete 3 between pile tube 2, pile tube 2 and the stake hole 1 in a hole 1, embedded pile hole and in pile tube 1 wall.Wherein pile tube 2 comprises one or more in steel pipe pile, PHC pile tube, PC pile tube, TSC pile tube.
A kind of boring of the present invention and root inject the construction method of the compound pile of concrete, comprise the following steps:
(1) boring: guide pile hole, utilize drilling machine required stake position in ground to get out the stake hole that a diameter is greater than the diameter 10cm of pile tube, be drilled into design hole depth, rig shifts out a hole, and residue in cleaning hole;
(2) note concrete: to stake hole root concrete perfusion, concrete is C25～C35 concrete by Grouting Pipe;
(3) plant stake: the pile tube that is 400～1200mm by ready specification inserts to fill with to be had in concrete stake hole, can insert successively as required more piece pile tube, concrete moves up along the gap between the tube wall of pile tube and pile tube and stake hole, plant stake complete after concrete setting moulding.
embodiment 1
(1) boring: guide pile hole, utilize drilling machine required stake position in ground to get out the stake hole that a diameter is greater than the diameter 10cm of pile tube, be drilled into design hole depth, rig shifts out a hole, and residue in cleaning hole;
(2) note concrete: to stake hole root concrete perfusion, concrete is C25 concrete by Grouting Pipe;
(3) plant stake: the PHC pile tube that is 500mm by ready specification inserts to fill with to be had in concrete stake hole, inserts a pipe joint stake, concrete moves up with the gap between stake hole along tube wall and the pile tube of pile tube, plant complete after concrete setting moulding.
embodiment 2
(1) boring: guide pile hole, utilize drilling machine required stake position in ground to get out the stake hole that a diameter is greater than the diameter 10cm of pile tube, be drilled into design hole depth, rig shifts out a hole, and residue in cleaning hole;
(2) note concrete: to stake hole root concrete perfusion, concrete is C35 concrete by Grouting Pipe;
(3) plant stake: the PHC that is 1000 by ready specification and the compound pile of steel pipe pile insert to fill with to be had in concrete stake hole, insert successively 2-section pipe stake, concrete moves up along the gap between the tube wall of pile tube and pile tube and stake hole, plant stake complete after concrete setting moulding.
Claims (6)
1. the compound pile of boring and root injection concrete is planted a pilework, it is characterized in that: comprise the layer of concrete between pile tube, pile tube and the stake hole in a hole, embedded pile hole and in pile tube wall.
2. the compound pile of a kind of boring according to claim 1 and root injection concrete is planted pilework, it is characterized in that: described pile tube comprises one or more in steel pipe pile, PHC pile tube, PC pile tube, TSC pile tube.
3. boring claimed in claim 1 and root inject a construction method for the compound pile of concrete, it is characterized in that: comprise the following steps:
(1) boring: guide pile hole, utilize drilling machine required stake position in ground to get out the stake hole that a diameter is greater than pile tube, be drilled into design hole depth, rig shifts out a hole, and residue in cleaning hole;
(2) note concrete: by Grouting Pipe to stake hole root concrete perfusion;
(3) plant stake: ready pile tube is inserted to fill with to be had in concrete stake hole, can insert successively as required more piece pile tube, concrete moves up with the gap between stake hole along tube wall and the pile tube of pile tube, plant complete after concrete setting moulding.
4. a kind of boring according to claim 3 and root inject the construction method of the compound pile of concrete, it is characterized in that: the diameter in the hole of boring in soil in described step (1) is than the diameter 10cm of pile tube.
5. a kind of boring according to claim 3 and root inject the construction method of the compound pile of concrete, it is characterized in that: the concrete in described step (2) is C25～C35 concrete.
6. a kind of boring according to claim 3 and root inject the construction method of the compound pile of concrete, it is characterized in that: in described step (3), the diameter of pile tube is 400～1200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410313816.XA CN104074183A (en) | 2014-07-03 | 2014-07-03 | Drilling and concrete injected root composite pile implanting pile structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410313816.XA CN104074183A (en) | 2014-07-03 | 2014-07-03 | Drilling and concrete injected root composite pile implanting pile structure and construction method |
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| CN104074183A true CN104074183A (en) | 2014-10-01 |
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| CN201410313816.XA Pending CN104074183A (en) | 2014-07-03 | 2014-07-03 | Drilling and concrete injected root composite pile implanting pile structure and construction method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064351A (en) * | 2015-08-14 | 2015-11-18 | 云南大学 | Pile planting method |
| CN106351222A (en) * | 2016-08-30 | 2017-01-25 | 中国建筑西南勘察设计研究院有限公司 | Construction method of soft rock foundation bedding mortar implantation tube pile |
| CN113123329A (en) * | 2021-05-13 | 2021-07-16 | 黄伟志 | Post-grouting process for implanted tubular pile |
| CN114482042A (en) * | 2022-03-15 | 2022-05-13 | 中铁四局集团有限公司 | Construction method of stiff composite isolation pile structure |
| CN114808945A (en) * | 2022-04-28 | 2022-07-29 | 中铁时代建筑设计院有限公司 | Cast-in-place large-diameter tubular pile for foundation pit support and tubular pile construction method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1050421A (en) * | 1990-11-12 | 1991-04-03 | 中国建筑科学研究院珠海科研设计部 | The piling method of casting prefabricated composite pile |
| JPH1046573A (en) * | 1996-08-02 | 1998-02-17 | Sato Kigyo:Kk | Bottom enlarged cast-in-place pile and its construction method |
| JP2004092025A (en) * | 2002-08-29 | 2004-03-25 | Daia Soil Kk | Foundation pile and construction method thereof |
| CN203213101U (en) * | 2013-03-19 | 2013-09-25 | 浙江天润建设有限公司 | Embedding grouting combined pile |
-
2014
- 2014-07-03 CN CN201410313816.XA patent/CN104074183A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1050421A (en) * | 1990-11-12 | 1991-04-03 | 中国建筑科学研究院珠海科研设计部 | The piling method of casting prefabricated composite pile |
| JPH1046573A (en) * | 1996-08-02 | 1998-02-17 | Sato Kigyo:Kk | Bottom enlarged cast-in-place pile and its construction method |
| JP2004092025A (en) * | 2002-08-29 | 2004-03-25 | Daia Soil Kk | Foundation pile and construction method thereof |
| CN203213101U (en) * | 2013-03-19 | 2013-09-25 | 浙江天润建设有限公司 | Embedding grouting combined pile |
Non-Patent Citations (1)
| Title |
|---|
| 张忠亭等: "《钻孔灌注桩设计与施工》", 28 February 2007, article "钻孔压浆桩", pages: 207-208 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064351A (en) * | 2015-08-14 | 2015-11-18 | 云南大学 | Pile planting method |
| CN106351222A (en) * | 2016-08-30 | 2017-01-25 | 中国建筑西南勘察设计研究院有限公司 | Construction method of soft rock foundation bedding mortar implantation tube pile |
| CN113123329A (en) * | 2021-05-13 | 2021-07-16 | 黄伟志 | Post-grouting process for implanted tubular pile |
| CN114482042A (en) * | 2022-03-15 | 2022-05-13 | 中铁四局集团有限公司 | Construction method of stiff composite isolation pile structure |
| CN114808945A (en) * | 2022-04-28 | 2022-07-29 | 中铁时代建筑设计院有限公司 | Cast-in-place large-diameter tubular pile for foundation pit support and tubular pile construction method |
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