CN106400782B - A kind of construction method for going along with sb. to guard him hole-drilling interlocking pile using rotary drilling rig construction foundation pit - Google Patents
A kind of construction method for going along with sb. to guard him hole-drilling interlocking pile using rotary drilling rig construction foundation pit Download PDFInfo
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- CN106400782B CN106400782B CN201610483010.4A CN201610483010A CN106400782B CN 106400782 B CN106400782 B CN 106400782B CN 201610483010 A CN201610483010 A CN 201610483010A CN 106400782 B CN106400782 B CN 106400782B
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- Prior art keywords
- stake
- construction
- concrete
- hole
- sequence
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- 238000010276 construction Methods 0.000 title claims abstract description 48
- 238000005553 drilling Methods 0.000 title claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 30
- 239000010959 steel Substances 0.000 claims abstract description 30
- 230000002787 reinforcement Effects 0.000 claims abstract description 21
- 238000004140 cleaning Methods 0.000 claims abstract description 19
- 239000011499 joint compounds Substances 0.000 claims abstract description 10
- 239000002689 soil Substances 0.000 claims abstract description 7
- 238000000034 methods Methods 0.000 claims abstract description 6
- 238000002360 preparation methods Methods 0.000 claims abstract description 4
- 239000004567 concrete Substances 0.000 claims description 40
- 239000011901 water Substances 0.000 claims description 11
- 239000002002 slurries Substances 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 7
- 239000011150 reinforced concrete Substances 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- 239000003673 groundwater Substances 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000006073 displacement reactions Methods 0.000 claims description 3
- 230000003116 impacting Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 230000000979 retarding Effects 0.000 claims description 3
- 230000000630 rising Effects 0.000 claims description 3
- 230000001340 slower Effects 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000003014 reinforcing Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000002699 waste materials Substances 0.000 abstract description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000010586 diagrams Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010410 layers Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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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
-
- 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
- E02D15/06—Placing concrete under water
-
- 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
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
Abstract
Description
Technical field
The present invention relates to a kind of construction methods that hole-drilling interlocking pile is gone along with sb. to guard him using rotary drilling rig construction foundation pit.
Background technique
The tunnel Hong Gu east bank ring road in Nanchang City is close to Jiangxi east embankment, and embankment is Gravity Retaining Wall, and barricade bottom is for jackstone Layer.Former foundation pit enclosure structure is the stake of SMW engineering method, and being influenced mixing pile by barricade bottom jackstone can not construct to rock stratum, and H profile steel It can not be inserted into designed elevation, foundation pit enclosure structure is unable to satisfy sealing and stress problem.
Summary of the invention
The purpose of the present invention is provide a kind of utilization rotary drilling rig construction foundation pit for prior art deficiency and actual needs Go along with sb. to guard him the construction method of hole-drilling interlocking pile.
Construction method technical solution of the present invention is:
850@600mmSMW engineering method stake of ring road foundation pit enclosure φ is improved to the hole-drilling interlocking pile of diameter 1000mm, the brill Hole interlocking pile is divided into a sequence stake i.e. A type stake and two sequence stake Type B stakes, and a sequence stake and two sequence stake elevation of bottom are the same as SMW engineering method stake bottom Absolute altitude；The concrete of two sequence stakes is fused together in insertion occlusive state and forms a continuous whole piling structure；One Sequence stake, that is, A type stake stake spacing 1500mm makees plain stake using underwater casting plastic concrete；Two sequence stakes, that is, Type B stake is underwater C30P8 Drill deposited reinforced concrete pile, 250mm is engaged with a sequence stake, stake spacing 1500mm, steel reinforcement cage elevation of bottom is the same as SMW engineering method stake H profile steel elevation of bottom.
The construction method step are as follows:
(1) preparation of construction
According to stake bit plan and live datum mark, measuring stake position and visible marking is squeezed at the construction field (site), it is ensured that stake position Unwrapping wire is accurate, and protects to datum mark；
(2) casing is buried
Casing internal diameter is 0.2m bigger than bore diameter, excavates stake holes to casing bottom, according to stake holes centralized positioning casing, casing 1.5m below the water level located underground of bottom, casing rise out level of ground water 1.5m~2.0m, and shield cartridge storing mud is higher by underground Water level 0.5m or more；
(3) drilling machine is in place
When rotary drilling rig is in place, held stationary, not run-off the straight displacement, to accurately control drilling depth, on the rack or The scale of control is made on machine pipe, to be observed, to record in construction.
(4) mechanical hole building
The specific gravity and sand factor that slurry coat method is controlled when rotary drilling rig pore-forming, undergauge or collapse hole, rotary digging when preventing from creeping into The dregs of drilling machine pore-forming is transported to interim spoir hole using short vehicle of refuting, and occlusion pile driving construction is one using the construction of stake method, every 9 pile is jumped Construction circulation, A type stake, that is, plastic concrete element stake of first constructing, closes on Type B stake i.e. through constructing again when initial set in 7~9 hours when the stake of A type Reinforced concrete pile；
(5) brush wall, borehole cleaning
A sequence stake plastic concrete is cut when rotary drilling rig two sequence stake of construction, mudcake is attached to cutting face and causes in order to prevent Seam percolating water carries out brush wall using crane suspention drilled pile brush wall device, borehole cleaning is carried out after the completion of brush wall；
After getting into predetermined depth, slurry is changed using sand suction pump borehole cleaning, away from the mud balance 1.15g/m at bottom hole 0.5m3, for Sandy soils, 1.15~1.20g/m of specific gravity of hole bottom slurry after borehole cleaning3, the bottom hole sediment thickness after borehole cleaning is not more than 50mm, filling Infuse repetition measurement sediment thickness before underwater concrete, borehole cleaning again when sediment is more than regulation；
(6) steel reinforcement cage processing and lifting
Steel reinforcement cage complete the process it is qualified by inspection after, utilize whole of crane or segmental hoisting steel reinforcement cage to stake holes；
(7) concreting
Concreting uses tremie method concrete placed under water, and timely measured hole inner concrete face height carries out conduit Promotion and dismounting, control the buried depth of conduit in 2~6m.
A) plastic concrete pours
Before use, checking whether its slump and impression quality meet the requirements, per car concrete takes plastic concrete One group of test specimen monitors its retarding time and slump-loss situation, until the B stake of this two sides is fully completed；
B) normal concrete pours
Rate of flooding suitably slows down when concrete surface is close to steel reinforcement cage bottom end, when concrete enters 2~3m of steel reinforcement cage bottom end Afterwards, conduit, which is promoted, slowly, steadily to avoid discharging from impacting excessive or hook strip steel reinforcement cage, to prevent rising of steel cage.
Beneficial effects of the present invention: hole-drilling interlocking pile uses all casing drill pore-forming, in the construction process, has always advanced Steel sleeve retaining wall, so mud off is not necessarily to, to save the expense of mud production, use and waste pulp processing, the soil of taking-up For original soil, be conducive to the civilized construction for doing building site well；This method can reduce project cost, improve speed of application, guarantee branch conscientiously Protection structure quality.
Detailed description of the invention
Fig. 1 is the step schematic diagram of construction method of the present invention；
In figure: A is A type stake, that is, plastic concrete element stake；B is Type B stake, that is, reinforced concrete pile.
Specific embodiment
As can be seen from FIG. 1, occlusion pile driving construction is a construction circulation, A type of first constructing using the construction of stake method, every 9 pile is jumped Stake (stake of plastic concrete element), (about 7~9 hours) construct again when A type stake initial set closes on Type B stake (reinforced concrete pile), applies Work sequence: A1 → A3 → A5 → A2 → A4 → B1 → B2 → B3 → B4.
Construction method step of the present invention are as follows:
(1) preparation of construction
According to stake bit plan and live datum mark, measuring stake position and visible marking is squeezed at the construction field (site), it is ensured that stake position Unwrapping wire is accurate, and protects to datum mark；
(2) casing is buried
Casing internal diameter is 0.2m bigger than bore diameter, excavates stake holes to casing bottom, according to stake holes centralized positioning casing, casing 1.5m below the water level located underground of bottom, casing rise out level of ground water 1.5m~2.0m, and shield cartridge storing mud is higher by underground Water level 0.5m or more；
(3) drilling machine is in place
When rotary drilling rig is in place, held stationary, not run-off the straight displacement, to accurately control drilling depth, on the rack or The scale of control is made on machine pipe, to be observed, to record in construction.
(4) mechanical hole building
The specific gravity and sand factor that slurry coat method is controlled when rotary drilling rig pore-forming, undergauge or collapse hole, rotary digging when preventing from creeping into The dregs of drilling machine pore-forming is transported to interim spoir hole using short vehicle of refuting, and occlusion pile driving construction is one using the construction of stake method, every 9 pile is jumped Construction circulation, A type stake, that is, plastic concrete element stake of first constructing, closes on Type B stake i.e. through constructing again when initial set in 7~9 hours when the stake of A type Reinforced concrete pile；
(5) brush wall, borehole cleaning
A sequence stake plastic concrete is cut when rotary drilling rig two sequence stake of construction, mudcake is attached to cutting face and causes in order to prevent Seam percolating water carries out brush wall using crane suspention drilled pile brush wall device, borehole cleaning is carried out after the completion of brush wall；
After getting into predetermined depth, slurry is changed using sand suction pump borehole cleaning, away from the mud balance 1.15g/m at bottom hole 0.5m3, for Sandy soils, 1.15~1.20g/m of specific gravity of hole bottom slurry after borehole cleaning3, the bottom hole sediment thickness after borehole cleaning is not more than 50mm, filling Infuse repetition measurement sediment thickness before underwater concrete, borehole cleaning again when sediment is more than regulation；
(6) steel reinforcement cage processing and lifting
Steel reinforcement cage complete the process it is qualified by inspection after, utilize whole of crane or segmental hoisting steel reinforcement cage to stake holes；
(7) concreting
Concreting uses tremie method concrete placed under water, and timely measured hole inner concrete face height carries out conduit Promotion and dismounting, control the buried depth of conduit in 2~6m.
A) plastic concrete pours
Before use, checking whether its slump and impression quality meet the requirements, per car concrete takes plastic concrete One group of test specimen monitors its retarding time and slump-loss situation, until the B stake of this two sides is fully completed；
B) normal concrete pours
Rate of flooding suitably slows down when concrete surface is close to steel reinforcement cage bottom end, when concrete enters 2~3m of steel reinforcement cage bottom end Afterwards, conduit, which is promoted, slowly, steadily to avoid discharging from impacting excessive or hook strip steel reinforcement cage, to prevent rising of steel cage.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610483010.4A CN106400782B (en) | 2016-06-28 | 2016-06-28 | A kind of construction method for going along with sb. to guard him hole-drilling interlocking pile using rotary drilling rig construction foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610483010.4A CN106400782B (en) | 2016-06-28 | 2016-06-28 | A kind of construction method for going along with sb. to guard him hole-drilling interlocking pile using rotary drilling rig construction foundation pit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106400782A CN106400782A (en) | 2017-02-15 |
| CN106400782B true CN106400782B (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610483010.4A CN106400782B (en) | 2016-06-28 | 2016-06-28 | A kind of construction method for going along with sb. to guard him hole-drilling interlocking pile using rotary drilling rig construction foundation pit |
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| CN (1) | CN106400782B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108018849B (en) * | 2017-11-25 | 2020-05-19 | 北京建材地质工程有限公司 | Construction method for reinforcing soil body at shield launching and arrival end |
| CN107975027B (en) * | 2017-11-25 | 2020-05-19 | 北京建材地质工程有限公司 | Construction method for reinforcing soil body at shield launching and arrival end |
| CN107989032A (en) * | 2017-11-28 | 2018-05-04 | 深圳市工勘岩土技术有限公司 | A kind of construction method of punching interlocking pile |
| CN108625369A (en) * | 2018-06-22 | 2018-10-09 | 中铁二局第工程有限公司 | The hard patterning method construction method of interlocking pile in karst area |
| CN109083178A (en) * | 2018-07-24 | 2018-12-25 | 中交航局第三工程有限公司 | It is a kind of element interlocking pile at cut-pff wall water-stop curtain construction method |
| CN109610524A (en) * | 2018-11-29 | 2019-04-12 | 北京地矿工程建设有限责任公司 | The detection of OPT interlocking pile and course control method for use |
| CN109948285A (en) * | 2019-03-29 | 2019-06-28 | 贵州正业工程技术投资有限公司 | A kind of large size Karst depression ball crown type mechanism central excavation localization method |
| CN110093934A (en) * | 2019-05-20 | 2019-08-06 | 中铁七局集团有限公司 | The nothing for going along with sb. to guard him pile driving construction suitable for subway leads wall construction method of interlocking pile |
| CN110306561A (en) * | 2019-07-05 | 2019-10-08 | 广州穗岩土木科技股份有限公司 | A kind of foundation pit hardness construction method of interlocking pile |
| CN110512597A (en) * | 2019-07-26 | 2019-11-29 | 广东厚普建设工程有限公司 | A kind of rotary digging cast-in-place pile construction method |
| CN111305229A (en) * | 2020-03-26 | 2020-06-19 | 中铁隧道集团二处有限公司 | Construction method for constructing sectionwise deep rock drilling secant pile |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328712A (en) * | 2008-07-29 | 2008-12-24 | 上海市第二建筑有限公司 | Construction method of interlocking pile for soft soil and soil layer with obstacle |
| CN103388333A (en) * | 2013-07-25 | 2013-11-13 | 中铁十六局集团有限公司 | Construction process for carrying out construction on interlocking pile by adopting rotary drilling rig and mud protection wall method |
| CN104929136A (en) * | 2015-07-14 | 2015-09-23 | 上海市水利工程集团有限公司 | Urban complex underground obstacle working condition occlusive pile enclosure construction method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000001849A (en) * | 1998-06-12 | 2000-01-07 | Geotop Corp | Cast-in-place knot pile |
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- 2016-06-28 CN CN201610483010.4A patent/CN106400782B/en active IP Right Grant
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328712A (en) * | 2008-07-29 | 2008-12-24 | 上海市第二建筑有限公司 | Construction method of interlocking pile for soft soil and soil layer with obstacle |
| CN103388333A (en) * | 2013-07-25 | 2013-11-13 | 中铁十六局集团有限公司 | Construction process for carrying out construction on interlocking pile by adopting rotary drilling rig and mud protection wall method |
| CN104929136A (en) * | 2015-07-14 | 2015-09-23 | 上海市水利工程集团有限公司 | Urban complex underground obstacle working condition occlusive pile enclosure construction method |
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| CN106400782A (en) | 2017-02-15 |
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