CN106988316A - A kind of sectional type pore-forming for spinning steel bushing pipe perfusion pile irrigates synchronous method - Google Patents
A kind of sectional type pore-forming for spinning steel bushing pipe perfusion pile irrigates synchronous method Download PDFInfo
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- CN106988316A CN106988316A CN201710317011.6A CN201710317011A CN106988316A CN 106988316 A CN106988316 A CN 106988316A CN 201710317011 A CN201710317011 A CN 201710317011A CN 106988316 A CN106988316 A CN 106988316A
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- steel sleeve
- spinning
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- steel
- perfusion
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to the design and construction technical field of pile foundation engineering, especially a kind of sectional type pore-forming for spinning steel bushing pipe perfusion pile irrigates synchronous method, it is characterised in that：By section described in the piecewise spinning of the spinning apparatus, the threaded connection between the section of the steel sleeve is completed by the stubborn pipe device and fixed；Borehole cleaning processing is carried out to the steel sleeve；Steel reinforcement cage is transferred in the steel sleeve and sets sectional type to irrigate conduit, the segmental length of the perfusion conduit is consistent with the length of the section of the steel sleeve；The steel sleeve is pulled out and by the synchronous casting concrete of the perfusion conduit using spinning apparatus rotation, while the section of the steel sleeve and the section of the perfusion conduit are removed paragraph by paragraph by the stubborn pipe device, up to filling concrete to aperture absolute altitude.It is an advantage of the invention that：Solve steel sleeve and pull out the problem synchronous with concreting, overcome current traditional handicraft steel sleeve and do not pull out the significant cost brought and waste problem.
Description
Technical field
It is especially a kind of to be used for spinning steel bushing pipe perfusion pile the present invention relates to the design and construction technical field of pile foundation engineering
Sectional type pore-forming perfusion synchronous method.
Background technology
Conventional drilling pouring pile hole method need to use mud off, and making, discharge, transport, the solidification of mud, occupancy are applied
Workshop it is big, not only need a large amount of expenses, and big for environment pollution, extensively denounced always.Traditional spinning steel sleeve drilling
Instillation process is to steel bushing tube segment using being welded to connect, and steel sleeve is not often extracted, and cost is greatly increased, and is caused waste, is made
Large-scale promotion can not be obtained always by obtaining spinning steel sleeve technique, only be used under special circumstances.
The content of the invention
The purpose of the present invention is for spinning steel bushing pipe perfusion pile according to above-mentioned the deficiencies in the prior art there is provided a kind of
Sectional type pore-forming irrigates synchronous method, by the cooperation of spinning machine and stubborn tube apparatus, realizes the synchronous construction of pore-forming perfusion, together
When steel sleeve is reused, it is ensured that the pouring quality of pile foundation concrete.
The object of the invention is realized and completed by following technical scheme：
A kind of sectional type pore-forming for spinning steel bushing pipe perfusion pile irrigates synchronous method, including steel sleeve and spinning apparatus, institute
The driving backspin that steel sleeve is stated in the spinning apparatus is pressed into the soil body, it is characterised in that：The steel sleeve is spliced by some sections
Constitute, the connection end of the section has screw thread, and the synchronous pore-forming method for filling at least comprises the following steps：
Set in the top of the spinning apparatus and twist pipe device, by section described in the piecewise spinning of the spinning apparatus, pass through institute
The threaded connection stated between the section of the stubborn pipe device completion steel sleeve is fixed；
After the steel sleeve that the section is spliced to form in place after, to the steel sleeve carry out borehole cleaning processing；
In the steel sleeve transfer steel reinforcement cage and set sectional type irrigate conduit, the segmental length of the perfusion conduit with it is described
The length of the section of steel sleeve is consistent；
The steel sleeve is pulled out and by the synchronous casting concrete of the perfusion conduit using spinning apparatus rotation, passed through simultaneously
The stubborn pipe device removes the section of the steel sleeve and the section of the perfusion conduit paragraph by paragraph, up to filling concrete to hole
Mouth absolute altitude.
At least include to being handled in the steel sleeve, fetched earth, back cover and drawn water in the steel sleeve.
In the supporting plate that is provided with of the top side detachable formula for irrigating conduit, the supporting plate is used to lead the perfusion
Pipe is supported in the mouth of pipe of the steel sleeve.
The spinning apparatus, which uses to revolve paragraph by paragraph with spinning direction direction in the same direction, pulls out steel sleeve.
It is an advantage of the invention that：1st, synchronous process is irrigated by sectional type pore-forming, it is proposed that the full-automatic abrasion drill of two-layer equation
Machine, solves steel sleeve and pulls out the problem synchronous with concreting, overcomes current traditional handicraft steel sleeve and does not pull out and brings
Significant cost and waste problem so that large-scale application is possibly realized；2nd, steel sleeve sectional type is threadedly coupled so that steel sleeve
It can reuse, improve service efficiency, the cutter head of especially first section steel sleeve is reused；3rd, conventional brill is overcome
The problem of hole method reaming, pile foundation size is ensured；Meanwhile, by synchronous process, the speed and quality of concrete perfusion are obtained
To ensure, it is to avoid the common situations such as broken pile, isolation；4th, due to there is no mud between concrete and surrounding soil, while steel is pulled out in rotation
The soil layer stress of sleeve pipe release make it that the gap between concrete and surrounding soil is filled, so as to add pile side friction, carries
High bearing capacity of pile foundation；5th, technique is inherently a kind of without mud off construction, no collapse hole risk, save mud making,
Discharge, transport, solidification expense, the construction site scope of operation reduce, and noise is small, and environmental pollution is small；6th, technique is in itself to geology bar
Part strong applicability, applicable various geological conditions, and the unfavorable conditions such as boulder, solution cavity, barrier can be overcome；7th, in pile foundation engineering
Construction field has sizable engineering popularizing application prospect, especially complex geologic conditions, close on important feature thing situations such as
Lower application competitive advantage is more obvious.
Brief description of the drawings
Fig. 1 is the construction procedure flow chart after present invention construction.
Embodiment
Feature of present invention and other correlated characteristics are described in further detail by embodiment below in conjunction with accompanying drawing, so as to
In the understanding of technical staff of the same trade：
As shown in figure 1, label 1-10 is expressed as in figure：Spinning machine 1, twist tube apparatus 2, steel bushing tube segment 3, steel sleeve 4,
Punching grab bucket 5, perfusion conduit 6, steel reinforcement cage 7, perfusion catheter section 8, pile foundation 9, supporting plate 10.
Embodiment：As shown in figure 1, being used for the synchronous pore-forming perfusion side of spinning steel sleeve cast-in-situ bored pile in the present embodiment
Method, comprises the following steps：
1）Such as Fig. 1（a）Shown, target location on construction ground sets up spinning machine 1 and stubborn tube apparatus 2, is set wherein twisting pipe
Standby 2 are arranged on the top of spinning machine 1.Spinning machine 1 is used to the piecewise spinning of steel bushing tube segment 3 squeezing into the soil body.Twist tube apparatus 2
For realizing the connection between steel bushing tube segment 3.Specifically, screw thread, two are provided with the connection end between steel bushing tube segment 3
Root steel bushing tube segment 3 can coordinate composition to be connected by screw thread.When spinning machine 1 revolves some steel bushing tube segments 3 paragraph by paragraph
When being pressed into the soil body, two steel bushing tube segments 3 can be securely screwed together by twisting tube apparatus 2, so as to form overall steel bushing
Pipe 4.
2）Such as Fig. 1（b）It is shown, after the steel sleeve 4 that steel bushing tube segment 3 is spliced to form squeezes into the soil body, using punching grab bucket 5
Fetched earth in the steel sleeve 4, back cover, drawn water.
3）Such as Fig. 1（c）It is shown, in the lowered inside steel reinforcement cage 7 of steel sleeve 4 and perfusion conduit 6.Perfusion conduit 6 is section
The spliceosome of formula, that is, irrigate conduit 6 and be spliced to form by some perfusion catheter sections 8.It can pass through screw thread between perfusion catheter section 8
Composition is coordinated to be connected, the threaded connection fixation can also be completed by twisting tube apparatus 2.Irrigate the length of catheter section 8
It is consistent with the length of steel bushing tube segment 3.
4）Such as Fig. 1（d）Shown, spinning machine 1 pulls out steel sleeve 4 using with the piecewise rotation in spinning direction identical direction of rotation,
Simultaneously by irrigating inside casting concrete of the conduit 6 to steel sleeve 4.Steel is pulled out using with the rotation of spinning direction identical direction of rotation
Sleeve pipe 4 is in order to avoid unscrewing screw thread between steel bushing tube segment 3 during being pulled out in rotation, cause steel bushing tube segment 3 is unexpected to be detained
Among the soil body.When steel sleeve 4 and perfusion conduit 6 are pulled out in the rotation of spinning machine 1, positioned at the top of spinning machine 1 stubborn tube apparatus 2 by
Section dismounting steel bushing tube segment 3 and perfusion catheter section 8.With the progress of perfusion, concrete is until be filled into aperture absolute altitude.Due to
Steel bushing tube segment 3 is identical with the length of perfusion catheter section 8 and both synchronously extract, therefore the speed of concreting can be obtained
To stability contorting, so as to ensure the quality of concrete perfusion, it is to avoid the common situations such as broken pile, isolation.
Such as Fig. 1（c）It is shown, supporting plate 10 is provided with the nozzle position of perfusion conduit 6, supporting plate 10 is used for will perfusion
Conduit 6 is supported on steel sleeve 4, to improve the uniformity of slip casting.When perfusion catheter section 8 is pulled out with being spun equipment 1 paragraph by paragraph
When going out, supporting plate 10 is dismantled from the perfusion catheter section being pulled out and is installed to next section perfusion catheter section to be pulled out
On, to ensure being smoothed out for whole concreting process.
5）Such as Fig. 1（e）And Fig. 1（f）It is shown, when final stage steel bushing tube segment 3 and its perfusion catheter section 8 are spun and set
After the standby 1 extraction soil body, in soil body internal shaping pile foundation 9.Due to there is no mud between concrete and surrounding soil, while steel bushing is pulled out in rotation
The soil layer stress that pipe 4 discharges enables the gap between pile foundation 9 and surrounding soil to fill, so as to increase the pile side friction of pile foundation 9, carries
The bearing capacity of high pile foundation 9.
The present embodiment is in the specific implementation：The bottom for the steel bushing tube segment 3 squeezed into first section spinning is provided with cutter head, so as to
Soil body resistance is overcome to enter among the soil body in steel bushing tube segment 3.So, steel sleeve 4 is overall together with supporting cutter head
Reclaim to reuse, so as to reduce cost, improve service efficiency.
Although above example is elaborated referring to the drawings the design to the object of the invention and embodiment, this
Field those of ordinary skill will recognize, limited without departing from claim under the precondition of scope, still can be right
The present invention makes various modifications and variations, such as shape of steel sleeve 4, size, length；Spinning machine 1, twist tube apparatus 2 it is specific
Type, model etc., therefore do not repeat one by one herein.
Claims (4)
1. a kind of sectional type pore-forming for spinning steel bushing pipe perfusion pile irrigates synchronous method, including steel sleeve and spinning apparatus,
The steel sleeve is pressed into the soil body in the driving backspin of the spinning apparatus, it is characterised in that：The steel sleeve is spelled by some sections
Composition is connect, the connection end of the section has screw thread, and the synchronous pore-forming method for filling at least comprises the following steps：
Set in the top of the spinning apparatus and twist pipe device, by section described in the piecewise spinning of the spinning apparatus, pass through institute
The threaded connection stated between the section of the stubborn pipe device completion steel sleeve is fixed；
After the steel sleeve that the section is spliced to form in place after, to the steel sleeve carry out borehole cleaning processing；
In the steel sleeve transfer steel reinforcement cage and set sectional type irrigate conduit, the segmental length of the perfusion conduit with it is described
The length of the section of steel sleeve is consistent；
The steel sleeve is pulled out and by the synchronous casting concrete of the perfusion conduit using spinning apparatus rotation, passed through simultaneously
The stubborn pipe device removes the section of the steel sleeve and the section of the perfusion conduit paragraph by paragraph, up to filling concrete to hole
Mouth absolute altitude.
2. a kind of sectional type pore-forming for spinning steel bushing pipe perfusion pile according to claim 1 irrigates synchronous method, its
It is characterised by：At least include to being handled in the steel sleeve, fetched earth, back cover and drawn water in the steel sleeve.
3. a kind of sectional type pore-forming for spinning steel bushing pipe perfusion pile according to claim 1 irrigates synchronous method, its
It is characterised by：In the supporting plate that is provided with of the top side detachable formula for irrigating conduit, the supporting plate is used for the perfusion
Conduit support is in the mouth of pipe of the steel sleeve.
4. a kind of sectional type pore-forming for spinning steel bushing pipe perfusion pile according to claim 1 irrigates synchronous method, its
It is characterised by：The spinning apparatus, which uses to revolve paragraph by paragraph with spinning direction direction in the same direction, pulls out steel sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710317011.6A CN106988316A (en) | 2017-05-08 | 2017-05-08 | A kind of sectional type pore-forming for spinning steel bushing pipe perfusion pile irrigates synchronous method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710317011.6A CN106988316A (en) | 2017-05-08 | 2017-05-08 | A kind of sectional type pore-forming for spinning steel bushing pipe perfusion pile irrigates synchronous method |
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| Publication Number | Publication Date |
|---|---|
| CN106988316A true CN106988316A (en) | 2017-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710317011.6A Pending CN106988316A (en) | 2017-05-08 | 2017-05-08 | A kind of sectional type pore-forming for spinning steel bushing pipe perfusion pile irrigates synchronous method |
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| CN (1) | CN106988316A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487228A (en) * | 2018-03-20 | 2018-09-04 | 中国建筑西北设计研究院有限公司 | A kind of method of collapsibility that capableing of Compaction variables loess |
| CN110629781A (en) * | 2019-09-28 | 2019-12-31 | 广州地铁设计研究院股份有限公司 | Concrete-filled steel tube pile group suitable for narrow space and construction method thereof |
| CN112942326A (en) * | 2021-02-04 | 2021-06-11 | 友谊国际工程咨询股份有限公司 | Casing and cast-in-situ bored pile |
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| JPH04213616A (en) * | 1990-12-11 | 1992-08-04 | Takenaka Doboku Co Ltd | Construction of high bearing force cast-in-place concrete pile etc. |
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| CN105780776A (en) * | 2016-05-12 | 2016-07-20 | 河北新钻钻机有限公司 | Steel pipe pile rotary extrusion construction facility |
| CN105887813A (en) * | 2016-05-07 | 2016-08-24 | 深圳市宏业基基础工程有限公司 | Large-diameter super-long pile construction method in karst area through full-casing pipe full rotating and rotary drilling |
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2017
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| JPH04213616A (en) * | 1990-12-11 | 1992-08-04 | Takenaka Doboku Co Ltd | Construction of high bearing force cast-in-place concrete pile etc. |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487228A (en) * | 2018-03-20 | 2018-09-04 | 中国建筑西北设计研究院有限公司 | A kind of method of collapsibility that capableing of Compaction variables loess |
| CN110629781A (en) * | 2019-09-28 | 2019-12-31 | 广州地铁设计研究院股份有限公司 | Concrete-filled steel tube pile group suitable for narrow space and construction method thereof |
| CN112942326A (en) * | 2021-02-04 | 2021-06-11 | 友谊国际工程咨询股份有限公司 | Casing and cast-in-situ bored pile |
| CN112942326B (en) * | 2021-02-04 | 2022-06-28 | 友谊国际工程咨询股份有限公司 | Casing and cast-in-situ bored pile |
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Application publication date: 20170728 |
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| RJ01 | Rejection of invention patent application after publication |