CN108978643A - Supporting pile construction method, reinforcement cage structure and supporting pile structure - Google Patents
Supporting pile construction method, reinforcement cage structure and supporting pile structure Download PDFInfo
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- CN108978643A CN108978643A CN201810752347.XA CN201810752347A CN108978643A CN 108978643 A CN108978643 A CN 108978643A CN 201810752347 A CN201810752347 A CN 201810752347A CN 108978643 A CN108978643 A CN 108978643A
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- reinforcement cage
- steel reinforcement
- supporting pile
- spacer
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- 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
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
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- 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)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to building engineering fields, specially supporting pile construction method, reinforcement cage structure and supporting pile structure, its key points of the technical solution are that the length with iron sheet along steel reinforcement cage encases steel reinforcement cage, it is excessive during control filling concrete, by concrete control in the range of iron sheet is wrapped up, to control the superfilled coefficient of concrete, supporting construction safety had both been ensured, project cost is effectively reduced again, the supporting construction suitable for thick silt layer.
Description
Technical field
The present invention relates to building engineering fields, more specifically, it relates to supporting pile construction method, reinforcement cage structure and branch
Fender pile structure.
Background technique
Inevitably will cause reaming or the borehole wall during piling has landslide, and the pouring of concrete is caused to be greater than meter
Calculation amount, more parts are exactly superfilled part, and superfilled coefficient is exactly for calculating this part amount of concrete.
In thick silt layer in the construction of bored concrete pile, the superfilled coefficient of general concrete is up to 1.8 ~ 3.0, main cause
During filling concrete, caused by concrete is squeezed into mud, project cost is caused to increase.
Summary of the invention
The first purpose of the invention is to provide supporting pile construction methods, while ensuring that supporting construction is safe, effectively
Reduce project cost.
Above-mentioned technical purpose of the invention has the technical scheme that supporting pile construction method, special
Sign is, comprising the following steps:
S1: pouring pile hole；
S2: production steel reinforcement cage；
S3: the length with spacer along steel reinforcement cage encases steel reinforcement cage；
S4: the reinforcing bar cage hoisting for being surrounded by spacer is entered into hole；
S5: concrete perfusion.
By using above-mentioned technical proposal, steel reinforcement cage is encased along the length of steel reinforcement cage with spacer, controls filling concrete
In the process excessive, by concrete control in the range of spacer is wrapped up, to control the superfilled coefficient of concrete, both really
Supporting construction safety has been protected, and has effectively reduced project cost.
Preferably, for step S2, comprising the following steps:
S21: muscle of putting more energy into is formulated；
S22: arrangement main reinforcement；
S23: welding main reinforcement and muscle of putting more energy into；
S24: freeze stirrup.
Guarantee the suitable of reinforcement cage skeleton by main reinforcement by regulation spacing and muscle welding of putting more energy by using above-mentioned technical proposal
Directly, then according to design code spacing freeze stirrup improve steel reinforcement cage structural strength.
Preferably, for step S3, comprising the following steps:
S31: bracket reinforcing bar is set on steel reinforcement cage, bearing rod is set on bracket reinforcing bar；
S32: spacer is connected to bearing rod.
By using above-mentioned technical proposal, spacer is wrapped in by steel reinforcement cage by bracket reinforcing bar and bearing rod, control is mixed
Coagulate the superfilled coefficient of soil.
Preferably, in step s 32, spacer and bearing rod binding are secured.
By using above-mentioned technical proposal, makes spacer lashing in bearing rod, improve structural stability.
Preferably, for step S4, comprising the following steps:
S41: pore-forming is checked and accepted and borehole cleaning；
S42: steel reinforcement cage is hung in stake holes by crane；
S43: steel reinforcement cage falls on designed elevation, correction center position.
By using above-mentioned technical proposal, the steel reinforcement cage for being isolated piece package is hung in stake holes, and places and is better than design
Position facilitates subsequent concrete perfusion and pile.
Preferably, steel reinforcement cage sectional making is used steel cylinder or lumps of wood maintenance, is welded between section using arc welding after complete one section under every
It connects.
By using above-mentioned technical proposal, facilitate lifting steel reinforcement cage, improves construction efficiency.
Preferably, the spacer is iron sheet.
By using above-mentioned technical proposal, iron sheet facilitates package steel reinforcement cage, and operability is good, and advantageously reduces cost.
A second object of the present invention is to provide reinforcement cage structure, above-mentioned technical purpose of the invention is by following technology
What scheme was achieved: the spacer of steel reinforcement cage main body is encased including steel reinforcement cage main body and along the length of steel reinforcement cage main body.
By using above-mentioned technical proposal, controlled using spacer it is excessive during filling concrete, by concrete control
System, to control the superfilled coefficient of concrete, effectively reduces project cost in the range of spacer is wrapped up.
Preferably, the steel reinforcement cage main body includes main reinforcement, put more energy into muscle and stirrup, and several main reinforcements are circumferentially set along steel reinforcement cage main body
It sets, several muscle of putting more energy into are arranged along main reinforcement length direction and connect with main reinforcement, and stirrup is around in main reinforcement and is arranged and connect with main reinforcement, in steel
Setting bracket reinforcing bar and bearing rod on the outside of muscle cage main body, spacer and bearing rod binding and fixing.
By using above-mentioned technical proposal, main reinforcement is connect by regulation spacing with muscle of putting more energy into, guarantees steel reinforcement cage main body framework
It is straight, then according to design code spacing connection stirrup improve steel reinforcement cage main body structural strength, and pass through bracket reinforcing bar and frame
Spacer is wrapped in steel reinforcement cage main body by stud, controls the superfilled coefficient of concrete.
Third object of the present invention is to provide supporting pile structure, above-mentioned technical purpose of the invention is by following technology
What scheme was achieved: being perfused with concrete in above-mentioned reinforcement cage structure.
By using above-mentioned technical proposal, the support pile of formation effectively reduces while ensuring that supporting construction is safe
Project cost.
In conclusion the invention has the following advantages: encasing steel reinforcement cage along the length of steel reinforcement cage with iron sheet, control is mixed
It is excessive in solidifying soil filling process, by concrete control in the range of spacer is wrapped up, to control the superfilled of concrete
Coefficient had not only ensured supporting construction safety, but also has effectively reduced project cost.
Detailed description of the invention
Fig. 1 is the flow diagram of supporting pile construction method；
Fig. 2 is the relation schematic diagram of steel reinforcement cage main body and iron sheet；
Fig. 3 is the diagrammatic cross-section in Fig. 2 along line A-A.
Appended drawing reference: 1, main reinforcement；2, stirrup；3, it puts more energy into muscle；4, bearing rod；5, bracket reinforcing bar；6, iron sheet.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Following specific embodiments are only explanation of the invention, are not limitation of the present invention, art technology
Personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as
All by the protection of Patent Law in the scope of the claims invented below.
Reinforcement cage structure encases steel reinforcement cage including steel reinforcement cage main body and along the length of steel reinforcement cage main body in conjunction with Fig. 2 and Fig. 3
The spacer of main body, wherein spacer is iron sheet 6, and steel reinforcement cage main body includes main reinforcement 1, put more energy into muscle 3 and stirrup 2, several 1 edges of main reinforcement
Steel reinforcement cage main body be circumferentially arranged and enclose it is cylindric, it is several put more energy into muscle 3 along 1 length direction interval of main reinforcement be arranged and with main reinforcement 1
Cylindrical inside welding is enclosed, stirrup 2 is around in the cylindrical outside setting that main reinforcement 1 surrounds and freezes with main reinforcement 1 and connect.
Several bracket reinforcing bars 5 are arranged at intervals on the length direction of steel reinforcement cage main body, and in same level height
Several bracket reinforcing bars 5 are arranged around steel reinforcement cage main body, and bracket reinforcing bar 5 is welded and fixed with main reinforcement 1, in the bracket of same level height
Around bearing rod 4 is provided on reinforcing bar 5, bracket reinforcing bar 5 is welded and fixed with bearing rod 4, iron sheet 6 and 4 binding and fixing of bearing rod.
Supporting pile structure, including above-mentioned reinforcement cage structure, is perfused with coagulation in reinforcement cage structure in conjunction with Fig. 2 and Fig. 3
Soil forms support pile.
Supporting pile construction method, as shown in Figs. 1-3, comprising the following steps:
S1: pouring pile hole；
For step S1, comprising the following steps:
S11: pore-forming prepares；
(a) place within the scope of smooth stake machine, backfill brick quarrel；
(b) steel pile casting is buried, casing is 15~20cm bigger than stake diameter.After casing sinks, periphery is tamped with clay backfilling.Casing sinks
When to check an axis, guarantee, casing above ground level 30cm consistent with casing center.
S12: waste pulp processing；
(a) when mud drilling, mechanical deslagging is carried out using multi-stage oscillating screen and hydrocyclone or other deslagging devices when necessary
Clean plasm, and be stored in mud pit and waste pulp pond respectively；
(b) it often clears up sedimentation basin and recycles the sediment in groove, and transported outward appear on the scene with automobile in time；
(c) waste pulp Solid state fermentation: outside waste residue automobile with being transported to specified stacking.Waste pulp can be concentrated on waste pulp pond by scene, to
It is transported outward again after precipitating dehydration, or is cleared to designated place mud in time with special mud tank car and discharged；
(d) drilling dregs should be cleared up in time, accomplish not influence normal construction operation.
S13: pore-forming；
(a) before rotary pile-digging machine is in place, every preparation is checked.Rotary pile-digging machine is crawler type, travelling route and is stopped
Machine side must harden, tile work quarrel even steel plate, it is ensured that mechanical energy is steadily in place, guarantee machinery do not generate in operation displacement,
Inclination and depression, otherwise find out reason in time, handle in time；
(b) stake position should be checked before aperture, rotary pile-digging machine has verticality automatic monitoring instrument, but should check in school in pore forming process,
It avoids boring partially；When punching pile machine applies brill in place, borer chassis is tuned into horizontality, when drill bit, which hangs in casing, starts punching,
Cone should be carefully set to be directed at pile center；
(c) when rotary digging, a certain number of clays and corresponding water are put into stake holes, drilling depth does not dally drilling machine, stirs using drill bit
Mud is mixed, the relative density that circulatory pool mud is evacuated to after stirring is 1.05~1.20, and pond to be recycled and stake holes all store up enough stakes
After mud, first starting slush pump and turntable, laggard traveling ruler drilling is crept at a slow speed, after subject-oriented part fully enters soil layer, side
It can creep at full speed；
(d) in drilling process, the speed of drilling depth is controlled according to soil property situation, and often to the relative density of drilling slurry and
The inspections such as viscosity observation, in the small mud stone of cohesive soil and sand factor, preferably use moderate rotation thin mud (relative density for 1.05~
1.20) it creeps into, in the high stratum of sandy soil and sand factor, preferably with low turn, (relative density is for pump amount, thickened drilling fluid at a slow speed, greatly
1.20~1.45) it creeps into；
(e) in pore forming process, boring mud is often fished for, observes the variation of soil layer, to adjust the consistency of mud in time, is become in rock-soil layer
Slag specimen is fished at change, distinguishes soil layer, and charge in record sheet；
(f) construction operation, which is put into several classes, is carried out continuously, and work progress accomplishs without any letup, and is not stopping over, and such as really must stop creeping into for some reason
When, drill bit was parked in bottom hole no more than 12 hours, in order to avoid drill bit is buried by mud.
S14: borehole cleaning, after stake holes reaches design requirement, i.e. progress bottom hole borehole cleaning operation.
S2: production steel reinforcement cage；
For step S2, comprising the following steps:
S21: muscle 3 of putting more energy into accordingly is formulated；
S22: main reinforcement 1 is arranged by defined radical；
S23: setting up muscle 3 of putting more energy into together every 2m, and with sleeper, sleeper must be laid on smooth place 3 underlay of muscle of putting more energy into, row
Main reinforcement 1 is welded on by regulation spacing after column are good and is put more energy on muscle 3, can guarantee the straight of reinforcement cage skeleton in this way, Ruo Ganzhu
Muscle 1 be circumferentially arranged along steel reinforcement cage main body and enclose it is cylindric, it is several put more energy into muscle 3 along 1 length direction interval of main reinforcement be arranged and with
Main reinforcement 1 encloses cylindrical inside welding；
S24: freezing stirrup 2 in main reinforcement 1 according to the spacing of design code, and stirrup 2 is around in main reinforcement 1 along the length of steel reinforcement cage and surrounds
Cylindrical outside be arranged and freeze with main reinforcement 1 and connect.
S3: encasing steel reinforcement cage along the length of steel reinforcement cage with spacer, and spacer is iron sheet 6 herein；
For step S3, comprising the following steps:
S31: several bracket reinforcing bars 5 are arranged in interval on the length direction of steel reinforcement cage, and several in same level height
Frame reinforcing bar 5 is arranged around steel reinforcement cage, and bracket reinforcing bar 5 is welded and fixed with main reinforcement 1, encloses on the bracket reinforcing bar 5 of same level height
It is provided around bearing rod 4, bracket reinforcing bar 5 is welded and fixed with bearing rod 4；
S32: bearing rod 4 is surrounded with iron sheet 6, and the binding of iron sheet 6 is secured in bearing rod 4.
S4: the reinforcing bar cage hoisting for being surrounded by iron sheet 6 is entered into hole；
For step S4, comprising the following steps:
S41: pore-forming is checked and accepted and borehole cleaning；
S42: steel reinforcement cage is hung in stake holes by crane, and framework of steel reinforcement sectional making uses steel cylinder or lumps of wood maintenance after a complete section under every, then
Another section is hung with crane and carries out docking, and docking uses electric arc welding between section；
S43: steel reinforcement cage falls on designed elevation, is corrected in pile center center and fixation.
S5: concrete perfusion to concrete final set and forms support pile.
The utility model has the advantages that steel reinforcement cage is encased along the length of steel reinforcement cage with iron sheet 6, it is excessive during control filling concrete,
By concrete control in the range of iron sheet 6 is wrapped up, to control the superfilled coefficient of concrete, both ensured that supporting construction was pacified
Entirely, and project cost is effectively reduced.
Claims (10)
1. supporting pile construction method, which comprises the following steps:
S1: pouring pile hole；
S2: production steel reinforcement cage；
S3: the length with spacer along steel reinforcement cage encases steel reinforcement cage；
S4: the reinforcing bar cage hoisting for being surrounded by spacer is entered into hole；
S5: concrete perfusion.
2. supporting pile construction method according to claim 1, which is characterized in that for step S2, comprising the following steps:
S21: muscle (3) are put more energy into formulation；
S22: arrangement main reinforcement (1)；
S23: welding main reinforcement (1) and muscle of putting more energy into (3)；
S24: the stirrup that freezes (2).
3. supporting pile construction method according to claim 1, which is characterized in that for step S3, comprising the following steps:
S31: being arranged bracket reinforcing bar (5) on steel reinforcement cage, and bearing rod (4) are arranged on bracket reinforcing bar (5)；
S32: spacer is connected to bearing rod (4).
4. supporting pile construction method according to claim 3, which is characterized in that in step s 32, spacer and bearing rod
(4) binding is secured.
5. supporting pile construction method according to claim 1, which is characterized in that for step S4, comprising the following steps:
S41: pore-forming is checked and accepted and borehole cleaning；
S42: steel reinforcement cage is hung in stake holes by crane；
S43: steel reinforcement cage falls on designed elevation, correction center position.
6. supporting pile construction method according to claim 5, which is characterized in that steel reinforcement cage sectional making, complete one section under every
Steel cylinder or lumps of wood maintenance are used afterwards, use electric arc welding between section.
7. supporting pile construction method according to claim 1-6, which is characterized in that the spacer is iron sheet
(6)。
8. reinforcement cage structure, which is characterized in that encase steel reinforcement cage main body including steel reinforcement cage main body and along the length of steel reinforcement cage main body
Spacer.
9. reinforcement cage structure according to claim 8, which is characterized in that the steel reinforcement cage main body includes main reinforcement (1), puts more energy into
Muscle (3) and stirrup (2), several main reinforcements (1) are circumferentially arranged along steel reinforcement cage main body, and several muscle of putting more energy into (3) are along main reinforcement (1) length direction
It is arranged and is connect with main reinforcement (1), stirrup (2) is around in main reinforcement (1) and is arranged and connect with main reinforcement (1), sets on the outside of steel reinforcement cage main body
Set bracket reinforcing bar (5) and bearing rod (4), spacer and bearing rod (4) binding and fixing.
10. supporting pile structure, which is characterized in that including reinforcement cage structure as claimed in claim 8 or 9, in reinforcement cage structure
It is perfused with concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810752347.XA CN108978643A (en) | 2018-07-10 | 2018-07-10 | Supporting pile construction method, reinforcement cage structure and supporting pile structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810752347.XA CN108978643A (en) | 2018-07-10 | 2018-07-10 | Supporting pile construction method, reinforcement cage structure and supporting pile structure |
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| CN108978643A true CN108978643A (en) | 2018-12-11 |
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| CN201810752347.XA Pending CN108978643A (en) | 2018-07-10 | 2018-07-10 | Supporting pile construction method, reinforcement cage structure and supporting pile structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736299A (en) * | 2018-12-30 | 2019-05-10 | 中铁十四局集团有限公司 | Bored pile construction method |
| CN110172977A (en) * | 2019-06-12 | 2019-08-27 | 深圳市工勘岩土集团有限公司 | Foundation pit support steel column grout pile top concrete prevents superfilled construction method and structure |
| CN112227347A (en) * | 2020-09-28 | 2021-01-15 | 腾达建设集团股份有限公司 | Underground continuous wall and construction method thereof |
| CN112900423A (en) * | 2021-01-25 | 2021-06-04 | 中国十九冶集团有限公司 | Method for reducing filling coefficient of cast-in-place pile in ultra-deep silt geology |
| CN114687340A (en) * | 2022-03-18 | 2022-07-01 | 中航勘察设计研究院有限公司 | Method for preventing hole wall from collapsing in reinforced concrete cast-in-place pile |
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|---|---|---|---|---|
| CN101255690A (en) * | 2008-01-16 | 2008-09-03 | 区国雄 | Method for producing covering type driven cast-in-place pile |
| CN102400460A (en) * | 2011-11-30 | 2012-04-04 | 昆明捷程桩工有限责任公司 | Construction method for preventing pile diameter variation of cast-in-place concrete pile |
| CN202323936U (en) * | 2011-11-30 | 2012-07-11 | 昆明捷程桩工有限责任公司 | Softly-wrapped reinforcing cage for preventing pile diameter variation of filling concrete piles |
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2018
- 2018-07-10 CN CN201810752347.XA patent/CN108978643A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101255690A (en) * | 2008-01-16 | 2008-09-03 | 区国雄 | Method for producing covering type driven cast-in-place pile |
| CN102400460A (en) * | 2011-11-30 | 2012-04-04 | 昆明捷程桩工有限责任公司 | Construction method for preventing pile diameter variation of cast-in-place concrete pile |
| CN202323936U (en) * | 2011-11-30 | 2012-07-11 | 昆明捷程桩工有限责任公司 | Softly-wrapped reinforcing cage for preventing pile diameter variation of filling concrete piles |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736299A (en) * | 2018-12-30 | 2019-05-10 | 中铁十四局集团有限公司 | Bored pile construction method |
| CN110172977A (en) * | 2019-06-12 | 2019-08-27 | 深圳市工勘岩土集团有限公司 | Foundation pit support steel column grout pile top concrete prevents superfilled construction method and structure |
| CN112227347A (en) * | 2020-09-28 | 2021-01-15 | 腾达建设集团股份有限公司 | Underground continuous wall and construction method thereof |
| CN112900423A (en) * | 2021-01-25 | 2021-06-04 | 中国十九冶集团有限公司 | Method for reducing filling coefficient of cast-in-place pile in ultra-deep silt geology |
| CN114687340A (en) * | 2022-03-18 | 2022-07-01 | 中航勘察设计研究院有限公司 | Method for preventing hole wall from collapsing in reinforced concrete cast-in-place pile |
| CN114687340B (en) * | 2022-03-18 | 2023-10-20 | 中航勘察设计研究院有限公司 | Method for preventing hole wall collapse in reinforced concrete cast-in-place pile |
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Application publication date: 20181211 |