CN102605788A - Double-tube-sinking and inner-tube-drawing bored cast-in-place pile construction method and application - Google Patents
Double-tube-sinking and inner-tube-drawing bored cast-in-place pile construction method and application Download PDFInfo
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- CN102605788A CN102605788A CN2012100969389A CN201210096938A CN102605788A CN 102605788 A CN102605788 A CN 102605788A CN 2012100969389 A CN2012100969389 A CN 2012100969389A CN 201210096938 A CN201210096938 A CN 201210096938A CN 102605788 A CN102605788 A CN 102605788A
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Abstract
The invention relates to the technical field of piling construction, and mainly relates to a double-tube-sinking and inner-tube-drawing bored cast-in-place pile construction method and application. The construction method adopts an eccentric moment-adjustable vibrating hammer, a pile gripper, inner tubes, outer tubes and a piling rack or a hoisting crane. The construction method includes steps that the inner tubes and the outer tubes are clamped by the pile gripper at first, the vibrating hammer vibrates and stops vibrating after sinking to the required depth, a pile clamping method is changed so that the pile gripper only clamps the inner tubes, a winch is started so that the vibrating hammer draws the inner tubes in a vibration-free state until the inner tubes are thoroughly drawn out, soil in the inner tubes cannot be poured out when the inner tubes are statically drawn due to effects of friction force, then the piling rack or the hoisting crane moves so that the inner tubes are separated from openings of the outer tubes, the vibrating hammer is started to vibrate, the soil in the inner tubes is continuously poured out in a vibration state until the total soil is poured out, reinforcement cages are placed in the outer tubes sunken into the soil, concrete is fully filled in the reinforcement cages, finally, the outer tubes are clamped by a fixture, the vibrating hammer is started, the outer tubes are drawn out by the aid of the vibration effect of the vibrating hammer, and simultaneously, a pile is formed. The double-tube-sinking and inner-tube-drawing bored cast-in-place pile construction method and the application have the advantages that the structure is novel, and construction efficiency is high.
Description
[technical field]
The present invention relates to the piling construction technical field, mainly is pipe pore-creating filling pile worker's method and application in a kind of heavy two-tube pulling out.
[background technology]
As everyone knows; When surface structures was built on the ground, sizable pressure will be born in ground, and is firm for what guarantee to build; Must guarantee that there is enough renitent intensity on ground; Therefore need reinforce or improve the mode of bearing on ground to the ground of bearing building, make most of weight of building pass to the very dark position of below ground, to improve ability to bear to building through stake so be employed in the method for driving piles on the ground.
Pore-creating filling pile method in the existing piling technology typically has two kinds, and first kind is vibrator pipe sinking cast-in-place pile, and this pile-driving method is through vibration the ground desired location to be squeezed in stake, extracts behind the concrete perfusion.But this method is for squeeze soil fully, and its long-pending serious words of native effect can make roadbuilding occur being squeezed splitting; Secondly the work of pile tube distinguishes that the stake point is closed when sinking, and makes that an end area is big, end resistance is big, the pile sinking difficulty.The stake footpath of normal conditions vibrator pipe sinking cast-in-place pile is less, and general diameter is less than 0.5m; In immersed tube, put in addition behind reinforcing cage and the placing of concrete when pulling out immersed tube in the vibration, live sometimes and distinguish that a point do not open or do not open the quality of influence stake fully.Second kind is the rig pore-forming; Rotary drilling rig piling mode is the most influential equipment in the present rig pore-creating filling pile construction; What it adopted is to revolve with bucket to take soil; But because the soil in viscosity weak soil zone is difficult to pour out from revolving in the bucket, rotary drilling rig can't be constructed, particularly in areas such as Shanghai, Wenzhou.And at some soil layer, hole or shrinkage cavity can appear collapsing behind the rotary drilling rig pore-forming, need steel casing down, this can make construction complicated, increase construction cost and efficiency of construction reduced.
[summary of the invention]
The objective of the invention is in order to solve deficiency of the prior art, pipe pore-creating filling pile worker's method and application in a kind of novel structure, safe and reliable, efficiency of construction is high heavy two-tube the pulling out is provided.
For realizing above-mentioned purpose, pipe pore-creating filling pile worker method in a kind of heavy two-tube pulling out is provided, comprise the adjustable vibrating hammer of eccentric moment, folder post device, interior pipe, outer tube, make pylon or jack lift, it is characterized in that described worker's method step is following:
(1), interior pipe box in outer tube, clamp inner and outer pipe with folder post device;
(2), vibrating hammer vibration, inner and outer pipe sinks together, in soil gets in the pipe;
(3), sink to the construction king-pile the absolute altitude degree of depth after stop the vibration; Changing the folder piling method makes pile chuck only clamp interior pipe; Starting hoist engine makes vibrating hammer under the friction state, pull out interior pipe; Up to extracting fully, because the frictional force effect between the inwall of soil in the interior pipe and interior pipe, the soil in making in the pipe can not be poured out when in quiet pulling out, managing;
(4), move pile frame or crane make in pipe remove the outer mouth of pipe, start vibrating hammer and vibrate, the soil in the interior pipe is constantly being come out in interior pipe under the vibrational state, pour out up to whole regoliths;
(5), sink in the outer tube in soil and put into reinforcing cage, concrete perfusion is up to filling;
(6), use the clamp clamps outer tube, start vibrating hammer vibration, utilize the vibration effect that outer tube is extracted, accomplished stake simultaneously.
Pipe pore-creating filling pile worker method is characterized in that described inner and outer pipe gap is 5-10mm in a kind of heavy two-tube pulling out.Described worker's method also can be applicable to pile pulling and plants a field.
The present invention compares with prior art, and its advantage is:
(1) because opening immersed tube end resistance makes the stake pipe sink more easily for a short time;
(2) can become large diameter pile, also can make greater than the stake of 1m like diameter;
(3) have only the part regolith to take out, soil compaction effect is not obvious;
(4) the outer tube lower end just belonged to opening originally, and when in vibration, pulling out outer tube, the stake soil that is poured into is difficult for by modification, and pile quality is good.
(5) wide accommodation of construction soil, both having made is the viscosity weak soil, can construct as usual, and the phenomenon that the regolith does not come out can not occur;
(6) efficiency of construction is high, and ordinary circumstance is only carried interior pipe with once on, just can be with the soil completion emptying of outer tube, and rotary drilling digger need do many times could the pile hole;
(7) sink to the outer tube in the soil under, played the effect of completion retaining wall, hole or shrinkage cavity phenomenon can not occur collapsing;
(8) have part during two-tube vibration-sunk and squeeze soil, this part soil compaction effect make the stake that become to hold the power of planting bigger.
[description of drawings]
Fig. 1 is worker's method step 1 in the embodiments of the invention, 2 heavy inner and outer pipe sketch map;
Fig. 2 is a pipe sketch map in the pulling out of worker's method step 4 in the embodiments of the invention;
Fig. 3 is the pile pulling sketch map in the embodiments of the invention;
Specifying Fig. 1 is Figure of abstract of the present invention.
[specific embodiment]
Below in conjunction with accompanying drawing the present invention is described further, the structure of this device and principle are very clearly concerning this professional people.
Pipe pore-creating filling pile worker method comprised in a kind of heavy two-tube pulling out that pipe is accomplished pile pulling and planted pile work method in the pipe pore-forming perfusion stake-man's method and a kind of heavy two-tube pulling out in heavy two-tube among the present invention pulled out.It is bitubular steel pipe and special-purpose pylon or the jack lift beaten of 5-10mm that there are the adjustable vibrating hammer of eccentric moment and folder post device, inner and outer pipe gap in this worker method capital equipment system.Its concrete worker's method step is:
1. shown in accompanying drawing 1, interior pipe box is clamped inner and outer pipe with folder post device in outer tube;
2. vibrating hammer vibration makes soil liquefaction, and inner and outer pipes sinks together, and in the pipe, because the inner and outer pipe gap is little, soil entered in the gap few, therefore can ignore in soil got into;
3. shown in accompanying drawing 2; Sink to the construction king-pile the absolute altitude degree of depth after stop the vibration; Change the folder piling method and make pile chuck only clamp interior pipe, start hoist engine and make vibrating hammer under the friction state, pull out interior pipe, up to extracting fully; Because the frictional force effect between the soil in the interior pipe and the inwall of interior pipe, the soil in making in the pipe can not be poured out when in quiet pulling out, managing;
4. move pile frame or crane slightly and make interior pipe remove the outer mouth of pipe, start the vibrating hammer vibration, the soil in the interior pipe is constantly being come out in interior pipe under the vibrational state, pour out up to whole regoliths;
5. sink to the outer tube in soil, its inside almost is not have soil fully, and reinforcing cage is put into, and concrete perfusion is up to filling;
6. use the clamp clamps outer tube, start the vibrating hammer vibration, utilize the vibration effect that outer tube is extracted, accomplished stake simultaneously.
The present invention comprises that also pipe is accomplished pile pulling and planted pile work method in a kind of heavy two-tube pulling out.
The concrete worker's method of pile pulling step is following:
(1) interior pipe box is gone in the outer tube, clamp inner and outer pipe with folder post device, inner tube diameter is greater than old stake external diameter;
(2) vibrating hammer vibration, inner and outer pipe sinks together, in managing in native and old stake gets into together;
(3) sink to the old stake stake end after; Changing the folder piling method makes pile chuck only clamp interior pipe; Starting hoist engine makes vibrating hammer under the friction state, pull out interior pipe; Up to extracting fully, because the frictional force effect between the inwall of soil in the interior pipe and interior pipe, soil in making in the pipe and old stake can not be poured out (accompanying drawing 3) when in quiet pulling out, managing;
(4) pipe was removed the outer mouth of pipe in mobile pile frame or crane made, and started the vibrating hammer vibration, and soil in the interior pipe and old stake are constantly being come out in interior pipe under the vibrational state, poured out up to whole regoliths, had promptly accomplished old stake and had extracted.
It is following to plant concrete worker's method step:
(1) interior pipe box is gone in the outer tube, clamp inner and outer pipe with folder post device, inner tube diameter is greater than old stake external diameter;
(2) vibrating hammer vibration, inner and outer pipe sinks together, in managing in soil gets into;
(3) shown in accompanying drawing 2; Sink to the construction king-pile the absolute altitude degree of depth after stop the vibration; Change the folder piling method and make pile chuck only clamp interior pipe, start hoist engine and make vibrating hammer under the friction state, pull out interior pipe, up to extracting fully; Because the frictional force effect between the soil in the interior pipe and the inwall of interior pipe, the soil in making in the pipe can not be poured out when in quiet pulling out, managing;
(4) move pile frame or crane slightly and make interior pipe remove the outer mouth of pipe, start the vibrating hammer vibration, the soil in the interior pipe is constantly being come out in interior pipe under the vibrational state, pour out up to whole regoliths;
(5) sink to outer tube in soil, its inside almost is not have soil fully, and preformed pile is put into outer tube;
(6) use the clamp clamps outer tube, start the vibrating hammer vibration, utilize the vibration effect that outer tube is extracted, accomplished the implantation of stake simultaneously.
Claims (3)
1. manage pore-creating filling pile worker method in heavy two-tube pulling out, comprise the adjustable vibrating hammer of eccentric moment, folder post device, interior pipe, outer tube, make pylon or jack lift, it is characterized in that described worker's method step is following:
(1), interior pipe box in outer tube, clamp inner and outer pipe with folder post device;
(2), vibrating hammer vibration, inner and outer pipe sinks together, in soil gets in the pipe;
(3), sink to the construction king-pile the absolute altitude degree of depth after stop the vibration; Changing the folder piling method makes pile chuck only clamp interior pipe; Starting hoist engine makes vibrating hammer under the friction state, pull out interior pipe; Up to extracting fully, because the frictional force effect between the inwall of soil in the interior pipe and interior pipe, the soil in making in the pipe can not be poured out when in quiet pulling out, managing;
(4), move pile frame or crane make in pipe remove the outer mouth of pipe, start vibrating hammer and vibrate, the soil in the interior pipe is constantly being come out in interior pipe under the vibrational state, pour out up to whole regoliths;
(5), sink in the outer tube in soil and put into reinforcing cage, concrete perfusion is up to filling;
(6), use the clamp clamps outer tube, start vibrating hammer vibration, utilize the vibration effect that outer tube is extracted, accomplished stake simultaneously.
2. pipe pore-creating filling pile worker method is characterized in that described inner and outer pipe gap is 5-10mm in a kind of heavy two-tube pulling out as claimed in claim 1.
3. a heavy two-tube application of pulling out interior pipe pore-creating filling pile worker method is characterized in that described worker's method is applied to pile pulling and plants a field.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100969389A CN102605788A (en) | 2012-04-01 | 2012-04-01 | Double-tube-sinking and inner-tube-drawing bored cast-in-place pile construction method and application |
| PCT/CN2012/085005 WO2013149471A1 (en) | 2012-04-01 | 2012-11-22 | Piling method based on hole-forming by sinking double pipes and pulling inner pipe, and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100969389A CN102605788A (en) | 2012-04-01 | 2012-04-01 | Double-tube-sinking and inner-tube-drawing bored cast-in-place pile construction method and application |
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| Publication Number | Publication Date |
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| CN102605788A true CN102605788A (en) | 2012-07-25 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013149471A1 (en) * | 2012-04-01 | 2013-10-10 | 上海振中机械制造有限公司 | Piling method based on hole-forming by sinking double pipes and pulling inner pipe, and application thereof |
| CN103452087A (en) * | 2013-08-21 | 2013-12-18 | 浙江江南春建设集团有限公司 | Construction method for erecting steel frame platform by utilizing eccentric vibrator |
| CN104975598A (en) * | 2014-04-03 | 2015-10-14 | 上海振中机械制造有限公司 | Screw grout pile |
| CN105040680A (en) * | 2015-06-25 | 2015-11-11 | 曹小骥 | Construction method of vibration concrete pouring thick-wall tubular pile |
| CN106337414A (en) * | 2016-09-20 | 2017-01-18 | 上海振中机械制造有限公司 | Method for vibration impact holing and pile forming |
| CN109356145A (en) * | 2018-11-06 | 2019-02-19 | 福建卓越建设工程开发有限公司 | Steel pipe-steel sheet pile combination surrounding protective sys-tem absolute altitude limits device and construction method |
| CN112281799A (en) * | 2020-10-30 | 2021-01-29 | 华中科技大学 | First-dispersing and later-reinforcing pile construction method and construction device suitable for ultra-soft soil |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2013149471A1 (en) * | 2012-04-01 | 2013-10-10 | 上海振中机械制造有限公司 | Piling method based on hole-forming by sinking double pipes and pulling inner pipe, and application thereof |
| CN103452087A (en) * | 2013-08-21 | 2013-12-18 | 浙江江南春建设集团有限公司 | Construction method for erecting steel frame platform by utilizing eccentric vibrator |
| CN103452087B (en) * | 2013-08-21 | 2016-05-04 | 浙江江南春建设集团有限公司 | Bias is vibrated and is set up steelframe platform construction engineering method |
| CN104975598A (en) * | 2014-04-03 | 2015-10-14 | 上海振中机械制造有限公司 | Screw grout pile |
| CN105040680A (en) * | 2015-06-25 | 2015-11-11 | 曹小骥 | Construction method of vibration concrete pouring thick-wall tubular pile |
| CN106337414A (en) * | 2016-09-20 | 2017-01-18 | 上海振中机械制造有限公司 | Method for vibration impact holing and pile forming |
| CN109356145A (en) * | 2018-11-06 | 2019-02-19 | 福建卓越建设工程开发有限公司 | Steel pipe-steel sheet pile combination surrounding protective sys-tem absolute altitude limits device and construction method |
| CN109356145B (en) * | 2018-11-06 | 2023-09-26 | 福建卓越建设工程开发有限公司 | Elevation limiting device of steel pipe-steel sheet pile combined enclosure system and construction method |
| CN112281799A (en) * | 2020-10-30 | 2021-01-29 | 华中科技大学 | First-dispersing and later-reinforcing pile construction method and construction device suitable for ultra-soft soil |
| CN112281799B (en) * | 2020-10-30 | 2021-09-14 | 华中科技大学 | First-dispersing and later-reinforcing pile construction method and construction device suitable for ultra-soft soil |
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Application publication date: 20120725 |