CN110130357A - Fashioned iron combination stirring pile pit support system construction method is plugged at the top of bored concrete pile - Google Patents
Fashioned iron combination stirring pile pit support system construction method is plugged at the top of bored concrete pile Download PDFInfo
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- CN110130357A CN110130357A CN201910258016.5A CN201910258016A CN110130357A CN 110130357 A CN110130357 A CN 110130357A CN 201910258016 A CN201910258016 A CN 201910258016A CN 110130357 A CN110130357 A CN 110130357A
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- profile steel
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The present invention provides and plugs fashioned iron combination stirring pile pit support system construction method at the top of bored concrete pile, it is related to support system construction method field, including simulation analysis early period and Deepen Design-levelling of the land-cement mixing pile driving construction-rotary digging filling pile construction-accurate positioning H profile steel insertion-earth excavation to crown beam-crown beam construction-gunite concrete retaining wall-recycling H profile steel processing step.H profile steel is plugged at the top of support system bored concrete pile, and it pours waist rail and connects peripheral cement mixing pile, it is combination stressed using H profile steel, waist rail and outlet cement mixing pile, it is common to resist earthwork lateral pressure, efficiently avoid the security risk that may occur before foundation pit backfill, simulation analysis is carried out to this technology support pattern using FEM software ANSYS, more accurately reflects stress distribution situation and structural deformation conditions of the support system under soil lateral pressure effect.
Description
Technical field
The present invention relates to plug fashioned iron combination stirring pile at the top of support system construction method field more particularly to bored concrete pile
Cheat support system construction method.
Background technique
In recent years, as the acceleration of Chinese Urbanization construction promotes, building just develops towards highly denseization, and traditional puts
It excavates and is also gradually backed out Process of Urbanization Construction in slope.And mutually echoed with ground level, the subterranean excavation depth of building also increasingly increases,
Deep foundation pit technology grows up therewith, and Base hole supporting technology is even more wherein important content.
Base hole supporting technology refers to meet the construction requirement of underground structure and protecting the safety of surrounding deep foundation pit environment, right
Supporting and retaining system, reinforcing and the safeguard measure that foundation pit side-wall is taken.With support technology safety, economy, in terms of require mention
High and support technology continuous development, the supporting construction form used in practical projects are also more and more.
It is inserted into recyclable H profile steel at the top of the foundation pit supporting system of bored concrete pile combination mixing pile, forms the base of common stress
Hole top composite support system, and the application experience of the multiple projects of pooled analysis, form and plug fashioned iron at the top of bored concrete pile
In conjunction with stirring pile pit support system construction technology, and form construction.This working skill has reached domestic top standard, has
Effect solves vertical cut overhang mill system cantilever part security hidden trouble that may be present before backfilling of earthwork, it is ensured that
The safety of support form construction, while shortening the duration, reducing construction cost, to similar vertical cut cantilevered branch
Shield filling pile construction has preferable directive function, has preferable application and promotion prospect.
Summary of the invention
The purpose of the present invention is to provide bored concrete pile tops to plug fashioned iron combination stirring pile pit support system construction method,
To solve the above technical problems.
The present invention using following technical scheme in order to solve the above technical problems, realized:
Fashioned iron combination stirring pile pit support system construction method, including simulation analysis early period and depth are plugged at the top of bored concrete pile
Change design-levelling of the land-cement mixing pile driving construction-rotary digging filling pile construction-accurate positioning H profile steel insertion-earth excavation to hat
Beam-crown beam construction-gunite concrete retaining wall-recycling H profile steel processing step, the specific steps are as follows:
(1) simulation analysis early period and Deepen Design: carrying out simulation analysis by FEM-software ANSYS, mono- with SOLID65
Member makees concrete structure, is inserted in waist rail elasticity modulus, Poisson's ratio, then inputs other basic parameters respectively；With SOLID45 unit work
Mixing pile and H profile steel are inserted in elasticity modulus, Poisson's ratio, (yield strength), (compression strength design value), establish pattern foundation pit supporting structure system
System model substitutes into the soil parameters of support system overhanging section, deformation is calculated
(2) levelling of the land: first to earth's surface mud in mixing pile construction region, sundries is purged and levelling of the land, reinforce
Accomplish that ground is solid smooth, guarantees along construction site that path formation, unimpeded and place roadbed can walk 50t large size crane
Subject to, and carry out drainage works.
(3) cement mixing pile driving construction: first positioning pile foundation, cuts soil using drilling row, the cement slurry that will be prepared
Injection is stirred, and carries out cutting soil in Song Jiang, and repeat sinking and promoted, and finally succeed pile, then using flushing system
System is rinsed, and stake machine is moved to next position after the completion.
(4) rotary digging filling pile construction: guide pile position first, setting positioning gantry stake, then buries casing simultaneously outside stake position
And repetition measurement, correction stake position and casing centre deviation, pore-forming then is pierced using drilling machine, the steel reinforcement cage made is put into hole,
It is welded fixed steel bars cage, lower perfusion conduit, and secondary pile hole cleaning with main reinforcement, and Underwater Concrete is perfused, and sends special messenger to measure conduit and buries
Enter depth, to complete to pour bored concrete pile.
(5) it is accurately positioned H profile steel insertion: secondary leveling being carried out to the construction site after the completion of supporting bored concrete pile first, then
Setting-out is carried out to fashioned iron insertion position according to design drawing change request using total station, interim telltale mark is carried out, using hanging
Machine is in place by H profile steel, and carries out position review with tape measure, after H profile steel is in place, is pressed into mud 30cm, utilizes plumb bob control
The verticality of fashioned iron processed guarantees its perpendicularity deviation within 0.5%.
(6) earth excavation is to crown beam: after the installation of whole fashioned iron is in place, can carry out earth excavation, be excavated to waist rail bottom
Portion's absolute altitude, earth excavation carry out second to bored concrete pile top crown beam position and excavate, first use mechanical excavation mode, be excavated to crown beam
When the above 20cm of bottom absolute altitude, stop mechanical excavation, it is artificial to cut the earth to hat bottom elevation, it is compacted.
(7) crown beam is constructed: leveling crown beam substratum, supporting bored concrete pile region remove slag, cut the loose concrete of stake top, and
The vertical reinforcement of stake top is all put in into pile cover, is no less than 50cm into length, is welded together with the reinforcing bar of pile cover crown beam, is cleared up
Sundries simultaneously sets up crown beam side template, pours crown beam and supporting beam concrete.
(8) it gunite concrete retaining wall: removes crown beam side form and the mixing pile side wall between top waist rail and crown beam is done mixed
Solidifying soil retaining wall is protected.
(9) H profile steel is recycled: after the completion of support changing structure for use construction, i.e., recyclable H profile steel.
Further, during insertion, the moment measures section steel flange to interim positioning mark with tape measure to the insertion H profile steel
The distance of note, and its verticality is controlled, when the 2/3 of fashioned iron enters under mud, its depth being inserted under mud is controlled with tape measure.
Further, the earth excavation mode has mechanical excavation and the artificial mode of rising as high as the banks to be excavated.
Further, scheme location and installation waist rail template is pressed in the waist rail template installation and concreting, carries out reinforcing bar
Blanking and binding.
Further, after the injection cantilever segment waist rail top concrete guard wall removes waist rail side form, in waist rail upper water
120mm concrete guard wall, strength grade of concrete C20 are sprayed on the inside of mud mixing pile.
Further, the H profile steel is preferably H488*300*11*18.
Further, the concrete is preferably C20.
The beneficial effects of the present invention are:
H profile steel is plugged at the top of support system bored concrete pile of the present invention, and pours waist rail and connects peripheral cement mixing pile, utilizes H
Fashioned iron, waist rail and outlet cement mixing pile are combination stressed, common to resist earthwork lateral pressure, and efficiently avoiding can before foundation pit backfills
The security risk that can occur carries out simulation analysis to this technology support pattern using FEM software ANSYS, more accurately
Reflect stress distribution situation and structural deformation conditions of the support system under soil lateral pressure effect, is provided for site operation
Theoretical direction, foundation pit vertical cut provide lateral reaction by cantilever H profile steel, efficiently solve in pattern foundation pit supporting structure and be commonly encountered
Building dense, narrow space problem, foundation pit vertical cut, by cantilever H profile steel provide lateral reaction, efficiently solve
The problem of the building dense, narrow space that are commonly encountered in pattern foundation pit supporting structure, H profile steel are constructed not shadow after the completion of supporting bored concrete pile pours
It rings the duration, waist rail only about needs 4 days to installation, then to pouring from binding, and compared with traditional support pattern, procedure connection is more
It to be close, can effectively accelerate construction progress, after completing pit earthwork backfill, supporting H profile steel is recyclable to be recycled, and is effectively saved
Construction cost.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained, and however, the following embodiments are merely preferred embodiments of the present invention, and not all.
Based on the implementation example in the implementation mode, those skilled in the art's obtained other realities without making creative work
Example is applied, protection scope of the present invention is belonged to.Experimental method in following embodiments is unless otherwise specified conventional method,
The materials, reagents and the like used in the following examples is commercially available unless otherwise specified.
Embodiment 1
Fashioned iron combination stirring pile pit support system construction method, including simulation analysis early period and depth are plugged at the top of bored concrete pile
Change design-levelling of the land-cement mixing pile driving construction-rotary digging filling pile construction-accurate positioning H profile steel insertion-earth excavation to hat
Beam-crown beam construction-gunite concrete retaining wall-recycling H profile steel processing step, the specific steps are as follows:
(1) simulation analysis early period and Deepen Design: carrying out simulation analysis by FEM-software ANSYS, mono- with SOLID65
Member makees concrete structure, is inserted in waist rail elasticity modulus, Poisson's ratio, then inputs other basic parameters respectively；With SOLID45 unit work
Mixing pile and H profile steel are inserted in elasticity modulus, Poisson's ratio, (yield strength), (compression strength design value), establish pattern foundation pit supporting structure system
System model substitutes into the soil parameters of support system overhanging section, deformation is calculated.
(2) levelling of the land: first to earth's surface mud in mixing pile construction region, sundries is purged and levelling of the land, reinforce
Accomplish that ground is solid smooth, guarantees along construction site that path formation, unimpeded and place roadbed can walk 50t large size crane
Subject to, and carry out drainage works.
(3) cement mixing pile driving construction: first positioning pile foundation, cuts soil using drilling row, the cement slurry that will be prepared
Injection is stirred, and carries out cutting soil in Song Jiang, and repeat sinking and promoted, and finally succeed pile, then using flushing system
System is rinsed, and stake machine is moved to next position after the completion.
(4) rotary digging filling pile construction: guide pile position first, setting positioning gantry stake, then buries casing simultaneously outside stake position
And repetition measurement, correction stake position and casing centre deviation, pore-forming then is pierced using drilling machine, the steel reinforcement cage made is put into hole,
It is welded fixed steel bars cage, lower perfusion conduit, and secondary pile hole cleaning with main reinforcement, and Underwater Concrete is perfused, and sends special messenger to measure conduit and buries
Enter depth, to complete to pour bored concrete pile.
(5) it is accurately positioned H profile steel insertion: secondary leveling being carried out to the construction site after the completion of supporting bored concrete pile first, then
Setting-out is carried out to fashioned iron insertion position according to design drawing change request using total station, interim telltale mark is carried out, using hanging
Machine is in place by H profile steel, and carries out position review with tape measure, after H profile steel is in place, is pressed into mud 30cm, utilizes plumb bob control
The verticality of fashioned iron processed guarantees its perpendicularity deviation within 0.5%.
(6) earth excavation is to crown beam: after the installation of whole fashioned iron is in place, can carry out earth excavation, be excavated to waist rail bottom
Portion's absolute altitude, earth excavation carry out second to bored concrete pile top crown beam position and excavate, first use mechanical excavation mode, be excavated to crown beam
When the above 20cm of bottom absolute altitude, stop mechanical excavation, it is artificial to cut the earth to hat bottom elevation, it is compacted.
(7) crown beam is constructed: leveling crown beam substratum, supporting bored concrete pile region remove slag, cut the loose concrete of stake top, and
The vertical reinforcement of stake top is all put in into pile cover, is no less than 50cm into length, is welded together with the reinforcing bar of pile cover crown beam, is cleared up
Sundries simultaneously sets up crown beam side template, pours crown beam and supporting beam concrete.
(8) it gunite concrete retaining wall: removes crown beam side form and the mixing pile side wall between top waist rail and crown beam is done mixed
Solidifying soil retaining wall is protected.
(9) H profile steel is recycled: after the completion of support changing structure for use construction, i.e., recyclable H profile steel.
Embodiment 2
Fashioned iron combination stirring pile pit support system construction method, including simulation analysis early period and depth are plugged at the top of bored concrete pile
Change design-levelling of the land-cement mixing pile driving construction-rotary digging filling pile construction-accurate positioning H profile steel insertion-earth excavation to hat
Beam-crown beam construction-gunite concrete retaining wall-recycling H profile steel processing step, the specific steps are as follows:
(1) simulation analysis early period and Deepen Design: carrying out simulation analysis by FEM-software ANSYS, mono- with SOLID65
Member makees concrete structure, is inserted in waist rail elasticity modulus, Poisson's ratio, then inputs other basic parameters respectively；With SOLID45 unit work
Mixing pile and H profile steel are inserted in elasticity modulus, Poisson's ratio, (yield strength), (compression strength design value), establish pattern foundation pit supporting structure system
System model substitutes into the soil parameters of support system overhanging section, deformation is calculated.
(2) levelling of the land: first to earth's surface mud in mixing pile construction region, sundries is purged and levelling of the land, reinforce
Accomplish that ground is solid smooth, guarantees along construction site that path formation, unimpeded and place roadbed can walk 50t large size crane
Subject to, and carry out drainage works.
(3) cement mixing pile driving construction: first positioning pile foundation, cuts soil using drilling row, the cement slurry that will be prepared
Injection is stirred, and carries out cutting soil in Song Jiang, and repeat sinking and promoted, and finally succeed pile, then using flushing system
System is rinsed, and stake machine is moved to next position after the completion.
(4) rotary digging filling pile construction: guide pile position first, setting positioning gantry stake, then buries casing simultaneously outside stake position
And repetition measurement, correction stake position and casing centre deviation, pore-forming then is pierced using drilling machine, the steel reinforcement cage made is put into hole,
It is welded fixed steel bars cage, lower perfusion conduit, and secondary pile hole cleaning with main reinforcement, and Underwater Concrete is perfused, and sends special messenger to measure conduit and buries
Enter depth, to complete to pour bored concrete pile.
(5) it is accurately positioned H profile steel insertion: secondary leveling being carried out to the construction site after the completion of supporting bored concrete pile first, then
Setting-out is carried out to fashioned iron insertion position according to design drawing change request using total station, interim telltale mark is carried out, using hanging
Machine is in place by H profile steel, and carries out position review with tape measure, after H profile steel is in place, is pressed into mud 30cm, utilizes plumb bob control
The verticality of fashioned iron processed guarantees its perpendicularity deviation within 0.5%.
(6) earth excavation is to crown beam: after the installation of whole fashioned iron is in place, can carry out earth excavation, be excavated to waist rail bottom
Portion's absolute altitude, earth excavation carry out second to bored concrete pile top crown beam position and excavate, first use mechanical excavation mode, be excavated to crown beam
When the above 20cm of bottom absolute altitude, stop mechanical excavation, it is artificial to cut the earth to hat bottom elevation, it is compacted.
(7) crown beam is constructed: leveling crown beam substratum, supporting bored concrete pile region remove slag, cut the loose concrete of stake top, and
The vertical reinforcement of stake top is all put in into pile cover, is no less than 50cm into length, is welded together with the reinforcing bar of pile cover crown beam, is cleared up
Sundries simultaneously sets up crown beam side template, pours crown beam and supporting beam concrete.
(8) it gunite concrete retaining wall: removes crown beam side form and the mixing pile side wall between top waist rail and crown beam is done mixed
Solidifying soil retaining wall is protected.
(9) H profile steel is recycled: after the completion of support changing structure for use construction, i.e., recyclable H profile steel.
It is inserted into H profile steel during insertion, the distance of moment tape measure measurement section steel flange to interim telltale mark, and control
Its verticality is made, when the 2/3 of fashioned iron enters under mud, controls its depth being inserted under mud with tape measure.
Earth excavation mode has mechanical excavation and the artificial mode of rising as high as the banks to be excavated.
Scheme location and installation waist rail template is pressed in the installation of waist rail template and concreting, carries out Steel Reinforcing Bar Material and binding.
After spraying cantilever segment waist rail top concrete guard wall dismounting waist rail side form, the side spray in the cement mixing pile of waist rail top
Penetrate 120mm concrete guard wall, strength grade of concrete C20.
H profile steel is preferably H488*300*11*18.
Concrete is preferably C20.
Working principle: this engineering method is that recyclable H profile steel is inserted at the top of the foundation pit supporting system of bored concrete pile combination mixing pile,
Composite support system at the top of the foundation pit of common stress is formed, row's supporting perfusion pile center is type within which implements
Steel is inserted into central point, can carry out H profile steel insertion immediately after the completion of supporting bored concrete pile, and procedure connection is close, guarantees fashioned iron
With combining closely for bored concrete pile；The construction of 300 × 300mm waist rail can be carried out after fashioned iron insertion, can pass through H profile steel, waist in this way
Beam and outlet cement mixing pile are combination stressed, common to resist earthwork lateral pressure, may occur before efficiently avoiding foundation pit backfill
Security risk, directly excavates compared to conventional boom-mounted supporting bored concrete pile to crown beam bottom, more for economy, safety and fits
The property used.
This engineering method is during project implementation, using FEM software ANSYS to support system before excavation of foundation pit
Carrying out simulation is the crucial first step, and a preview in advance is made in the deformation and internal stress distribution to support system.Using perfusion
Stake top portion plugs fashioned iron combination stirring pile pit support system construction technology and establishes building by FEM-software ANSYS
Threedimensional model can intuitively calculate H profile steel deformation and local stress, adjust H profile steel spacing, size and supporting according to analog result
Can system detail structure avoid fashioned iron that buckling occurs because of bearing capacity deficiency, work normally for system and provide theoretical foundation
And technological guidance.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention
Preference, be not intended to limit the invention, without departing from the spirit and scope of the present invention, the present invention also has various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached claims and its equivalent thereof.
Claims (7)
1. plugging fashioned iron combination stirring pile pit support system construction method at the top of bored concrete pile, it is characterised in that: imitative including early period
True analysis and Deepen Design-levelling of the land-cement mixing pile driving construction-rotary digging filling pile construction-accurate positioning H profile steel insertion-soil
Side is excavated to crown beam-crown beam construction-gunite concrete retaining wall-recycling H profile steel processing step, the specific steps are as follows:
(1) simulation analysis early period and Deepen Design: carrying out simulation analysis by FEM-software ANSYS, with SOLID65 unit work
Concrete structure is inserted in waist rail elasticity modulus, Poisson's ratio, then inputs other basic parameters respectively；It is mixed with SOLID45 unit
Stake and H profile steel, are inserted in elasticity modulus, Poisson's ratio, (yield strength), (compression strength design value), establish foundation pit support system mould
Type substitutes into the soil parameters of support system overhanging section, deformation is calculated.
(2) levelling of the land: first to earth's surface mud in mixing pile construction region, sundries is purged and levelling of the land, reinforcing is accomplished
Ground is solid smooth, guarantees along construction site that path formation, unimpeded and place roadbed can walk subject to 50t large size crane,
And carry out drainage works.
(3) cement mixing pile driving construction: first positioning pile foundation, cuts soil using drilling row, the cement slurry prepared is injected
Be stirred, carry out cutting soil in Song Jiang, and repeat and be promoted, finally succeed pile, then using rinse-system into
Row rinses, and stake machine is moved to next position after the completion.
(4) rotary digging filling pile construction: then casing and multiple is buried in guide pile position first, setting positioning gantry stake outside stake position
It surveys, correct stake position and casing centre deviation, then pierce pore-forming using drilling machine, the steel reinforcement cage made is put into hole, with master
Muscle is welded fixed steel bars cage, lower perfusion conduit, and secondary pile hole cleaning, and Underwater Concrete is perfused, and it is deep to send special messenger to measure conduit embedment
Degree, to complete to pour bored concrete pile.
(5) it is accurately positioned H profile steel insertion: secondary leveling being carried out to the construction site after the completion of supporting bored concrete pile first, recycle
Total station carries out setting-out to fashioned iron insertion position according to design drawing change request, carries out interim telltale mark, using loop wheel machine by H
Fashioned iron is in place, and carries out position review with tape measure, after H profile steel is in place, is pressed into mud 30cm, controls fashioned iron using plumb bob
Verticality, guarantee its perpendicularity deviation within 0.5%.
(6) earth excavation is to crown beam: after the installation of whole fashioned iron is in place, can carry out earth excavation, be excavated to waist rail bottom mark
Height, earth excavation carry out second to bored concrete pile top crown beam position and excavate, first use mechanical excavation mode, be excavated to crown beam bottom and mark
When the above 20cm of height, stop mechanical excavation, it is artificial to cut the earth to hat bottom elevation, it is compacted.
(7) crown beam is constructed: leveling crown beam substratum, supporting bored concrete pile region removes slag, cuts the loose concrete of stake top, and by stake
The vertical reinforcement on top all puts in pile cover, is no less than 50cm into length, is welded together with the reinforcing bar of pile cover crown beam, clears up sundries
And crown beam side template is set up, pour crown beam and supporting beam concrete.
(8) it gunite concrete retaining wall: removes crown beam side form and concrete is done to the mixing pile side wall between top waist rail and crown beam
Retaining wall is protected.
(9) H profile steel is recycled: after the completion of support changing structure for use construction, i.e., recyclable H profile steel.
2. fashioned iron combination stirring pile pit support system construction method is plugged at the top of bored concrete pile according to claim 1,
Be characterized in that: the insertion H profile steel during insertion, the moment with tape measure measure section steel flange to interim telltale mark away from
From, and its verticality is controlled, when the 2/3 of fashioned iron enters under mud, its depth being inserted under mud is controlled with tape measure.
3. fashioned iron combination stirring pile pit support system construction method is plugged at the top of bored concrete pile according to claim 1,
Be characterized in that: the earth excavation mode has mechanical excavation and the artificial mode of rising as high as the banks to be excavated.
4. fashioned iron combination stirring pile pit support system construction method is plugged at the top of bored concrete pile according to claim 1,
Be characterized in that: the waist rail template installation and concreting are carried out Steel Reinforcing Bar Material and are tied up by scheme location and installation waist rail template
It pricks.
5. fashioned iron combination stirring pile pit support system construction method is plugged at the top of bored concrete pile according to claim 1,
It is characterized in that: after the injection cantilever segment waist rail top concrete guard wall removes waist rail side form, in waist rail top cement mixing pile
Spray 120mm concrete guard wall, strength grade of concrete C20 in inside.
6. fashioned iron combination stirring pile pit support system construction method is plugged at the top of bored concrete pile according to claim 1,
Be characterized in that: the H profile steel is preferably H488*300*11*18.
7. fashioned iron combination stirring pile pit support system construction method is plugged at the top of bored concrete pile according to claim 1,
Be characterized in that: the concrete is preferably C20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910258016.5A CN110130357B (en) | 2019-04-01 | 2019-04-01 | Construction method of cast-in-place pile top inserting type steel combined stirring pile foundation pit supporting system |
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| CN201910258016.5A CN110130357B (en) | 2019-04-01 | 2019-04-01 | Construction method of cast-in-place pile top inserting type steel combined stirring pile foundation pit supporting system |
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| CN110130357B CN110130357B (en) | 2021-05-04 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3638664A1 (en) * | 1986-11-12 | 1988-05-19 | Holzmann Philipp Ag | Method of constructing a sheet pile wall |
| JP2004107953A (en) * | 2002-09-17 | 2004-04-08 | Iwami Kaihatsu Kk | Balancer for deep composite pile and pile foundation structure |
| KR20060092552A (en) * | 2005-02-18 | 2006-08-23 | (주)한국건설공법 | The non-strut down framework construction method of having used cast in place concrete pile |
| JP2009035997A (en) * | 2007-08-01 | 2009-02-19 | Takahashi Kanri:Kk | H-shaped steel earth-retaining method utilizing columnar improvement |
| CN102635120A (en) * | 2012-05-04 | 2012-08-15 | 张全胜 | Supportless construction structure and supportless construction method for round deep base pit |
| CN105421468A (en) * | 2015-11-24 | 2016-03-23 | 叶长青 | Basement support without concrete diagonal brace |
| CN108643190A (en) * | 2018-04-12 | 2018-10-12 | 中铁上海工程局集团有限公司 | A kind of construction method suitable for the larger deep foundation pit supporting structure of excavation area |
| CN109469069A (en) * | 2018-11-27 | 2019-03-15 | 浙江坤德创新岩土工程有限公司 | A kind of I-shaped support pile of prestressing force and foundation pit supporting method |
-
2019
- 2019-04-01 CN CN201910258016.5A patent/CN110130357B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3638664A1 (en) * | 1986-11-12 | 1988-05-19 | Holzmann Philipp Ag | Method of constructing a sheet pile wall |
| JP2004107953A (en) * | 2002-09-17 | 2004-04-08 | Iwami Kaihatsu Kk | Balancer for deep composite pile and pile foundation structure |
| KR20060092552A (en) * | 2005-02-18 | 2006-08-23 | (주)한국건설공법 | The non-strut down framework construction method of having used cast in place concrete pile |
| JP2009035997A (en) * | 2007-08-01 | 2009-02-19 | Takahashi Kanri:Kk | H-shaped steel earth-retaining method utilizing columnar improvement |
| CN102635120A (en) * | 2012-05-04 | 2012-08-15 | 张全胜 | Supportless construction structure and supportless construction method for round deep base pit |
| CN105421468A (en) * | 2015-11-24 | 2016-03-23 | 叶长青 | Basement support without concrete diagonal brace |
| CN108643190A (en) * | 2018-04-12 | 2018-10-12 | 中铁上海工程局集团有限公司 | A kind of construction method suitable for the larger deep foundation pit supporting structure of excavation area |
| CN109469069A (en) * | 2018-11-27 | 2019-03-15 | 浙江坤德创新岩土工程有限公司 | A kind of I-shaped support pile of prestressing force and foundation pit supporting method |
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