CN100462507C - Construction method for pulling-resistant and pressure-resistant slip casting pipe pile - Google Patents

Construction method for pulling-resistant and pressure-resistant slip casting pipe pile Download PDF

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CN100462507C
CN100462507C CNB2007100722559A CN200710072255A CN100462507C CN 100462507 C CN100462507 C CN 100462507C CN B2007100722559 A CNB2007100722559 A CN B2007100722559A CN 200710072255 A CN200710072255 A CN 200710072255A CN 100462507 C CN100462507 C CN 100462507C
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pipe
resistant
pile
hole
slip casting
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CN101058979A (en
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何新东
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何新东
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Abstract

A construction method of casting pipe pile plucking with resistance to plucking and pressing, The invention relates to a construction method of pipe pile. The purpose of the invention is: solving the insufficient problems of resistance to plucking and pressing happened in the buildings which are built under complex geological conditions or under higher groundwater level geological strata and the problems are generated by bottom board percolating water due to buildings bottom board plucking resistance is insufficient, declination due to excessive eccentricity when design buildings and when design the resistance to plucking of new buildings. The invention drills hole downward on the buildings basic layer according the design height mark and bore diameter of pipe pile, lifts downward steel pipes or plastic pipes with slip casting hole after the drilled hole is completed, lifts downward reinforcement bar or reinforcement cage in the hole out the steel pipes or plastic pipes, lifts downward sands and broken stone between the outer wall of the steel pipes or plastic pipes and the hole wall. The invention has extremely distinctive action in buildings plucking-resistance and reinforcement, buildings declination correction and the foundation reinforcement project of house floors addition and reconstruction. The pile type in the invention is suitable for various geological strata, it can be used for the plucking-resistance, reinforcement and foundation reinforcement of prior buildings and the resistance-plucking pile construction of new buildings.

Description

A kind of job practices of pulling-resistant and pressure-resistant slip casting pipe pile
Technical field
The present invention relates to a kind of job practices of pile tube.
Background technology
The building of building on geological conditions complexity or the higher stratum of groundwater table tends to produce following point: the one, and the design of building base plate anti-floating is not enough, makes base plate produce the crack infiltration; The 2nd, whole building designs eccentric excessive generation and tilts; The 3rd, uplift pile uplift resistance deficiency when the new building thing carries out the anti-floating design.The method that prevents at present or administer all can not thoroughly address the above problem.
Summary of the invention
The objective of the invention is the building built on geological conditions complexity or the higher stratum of groundwater table for solving, the foot plate infiltration of building base plate anti-floating power, building design eccentric excessive generation inclination, the not enough problem of uplift pile uplift resistance when the new building thing carries out the anti-floating design, and a kind of job practices of pulling-resistant and pressure-resistant slip casting pipe pile is provided.Method of the present invention realizes by following steps: one, hole downwards on the basal layer of building according to the design elevation and the aperture of stake; Two, be lowered to the steel pipe or the plastic pipe of band injected hole behind the pore-forming in the hole, the position of steel pipe or plastic pipe is placed in the middle in the hole; Three, in the hole in the steel pipe or the plastic pipe outside, be lowered to reinforcing bar or reinforcing cage; Four, in the outer wall of steel pipe or plastic pipe and the space between the hole wall, be lowered to sand or rubble; Five, in steel pipe or plastic pipe, be lowered to the Grouting Pipe of band grouting stop-valve; Six, start grouting pump and begin slip casting in the stake hole; Seven, steel pipe or plastic pipe carry out effectively (welding) and are connected and seal a waterproofing work respectively with between the basal layer of reinforcing bar or reinforcing cage and building behind the pile.The present invention has effect extremely significantly in the ground base enforcement engineering of the anti-floating reinforcing of building, building inclination rectification, adding building layer transformation.Stake type of the present invention is applicable to various stratum, according to the groundwater table height, can adopt different pore-forming technique pore-formings, pile.Can carry out stake footpath according to different uplift resistances, stake is long and the adjustment of reinforcing cage ,-also can carry out slip casing by pressure repeatedly simultaneously at the different position of pile body, the stake footpath is enlarged, form special-shaped enlarged footing, be used to improve resistance to plucking, compressive resistance.The present invention can be used for anti-floating reinforcing, ground base enforcement and the new building thing uplift pile construction of existing building.
Description of drawings
Fig. 1 is a pile schematic diagram of the present invention, Fig. 2 is the construction schematic diagram of holing downwards on the basal layer of building in the specific embodiment one, Fig. 3 is the construction schematic diagram that is lowered to reinforcing bar or reinforcing cage in the specific embodiment one in the hole in the steel pipe or the plastic pipe outside, Fig. 4 is the construction schematic diagram that is lowered to sand or rubble in the specific embodiment one in the outer wall of steel pipe or plastic pipe and the space between the hole wall, Fig. 5 is the construction schematic diagram that is lowered to the Grouting Pipe of band grouting stop-valve in the specific embodiment one in steel pipe or plastic pipe, Fig. 6 is the construction schematic diagram of envelope stake in the specific embodiment one, and Fig. 7~Figure 12 is the construction schematic diagram that the stake of underground water anti-floating is arranged.
The specific embodiment
The specific embodiment one: (referring to Fig. 1~Fig. 6) method of present embodiment realizes by following steps: one, on the basal layer of building, hole downwards according to the design elevation and the aperture of stake; Two, be lowered to the steel pipe or the plastic pipe of band injected hole behind the pore-forming in the hole, the position of steel pipe or plastic pipe is placed in the middle in the hole; Three, in the hole in the steel pipe or the plastic pipe outside, be lowered to reinforcing bar or reinforcing cage; Four, in the outer wall of steel pipe or plastic pipe and the space between the hole wall, be lowered to sand or rubble; Five, in steel pipe or plastic pipe, be lowered to the Grouting Pipe of band grouting stop-valve; Six, start grouting pump and begin slip casting in the stake hole; Seven, steel pipe or plastic pipe carry out effectively (welding) and are connected and seal a waterproofing work respectively with between the basal layer of reinforcing bar or reinforcing cage and building behind the pile.
The specific embodiment two: the diameter of phi of steel pipe or plastic pipe is 50~150mm in the present embodiment.Other is identical with the specific embodiment one.
The specific embodiment three: be fixed with cranse in the present embodiment on the outer wall of steel pipe or plastic pipe, the spacing of cranse is 50cm.Being fixed with cranse on the outer wall of steel pipe or plastic pipe is used for improving and the concrete frictional force of pile body.Other is identical with the specific embodiment one.
The specific embodiment four: in groundwater table during with the overlying strata pile, sand between steel pipe or plastic pipe and the hole wall or rubble are provided with the plurality of sections concrete and end the slurry layer in the present embodiment, and only starching layer thickness is 80~150cm.Its top is only starched layer thickness and is not less than 150cm.Other is identical with the specific embodiment one.
The specific embodiment five: in steel pipe or plastic pipe, be lowered in the present embodiment band grouting stop-valve Grouting Pipe after repeatedly in any one section slip casting.The Grouting Pipe diameter of phi is 25~50mm, and grouting pressure is 0.2~20Mpa.Other is identical with the specific embodiment one.
The specific embodiment six: in (referring to Fig. 7~12) present embodiment in groundwater table during with the sub-surface pile, adopt churning mode or rotation to creep into the form pore-forming, promptly inscribe steel pipe or plastic pipe behind the pore-forming, insert reinforcing bar, fill out building stones in small, broken bits, fill up the back earlier in steel pipe or the clear hole of the first perforate section slip casting, plastic pipe top, treat to stop after steel pipe or plastics pore and slotting reinforced hole return the cement paste that makes new advances.Afterwards, again by stake bottom upwards successively slip casting finish.Steel pipe or plastic pipe slurry outlet adopt strip, Kong Changwei 20cm, and Kong Kuanwei 1cm is used to improve the frictional resistance between steel pipe and the pile body.Other is identical with the specific embodiment one.
The specific embodiment seven: when newly-built building carry out the uplift pile construction, can after the sole plate construction, carry out the construction of stake in the present embodiment, should reserve a hole on the sole plate.Other is identical with the specific embodiment one.

Claims (8)

1. the job practices of a pulling-resistant and pressure-resistant slip casting pipe pile is characterized in that the job practices of pulling-resistant and pressure-resistant slip casting pipe pile realizes by following steps: one, hole on the basal layer of building according to the design elevation and the aperture of stake downwards; Two, be lowered to the steel pipe or the plastic pipe of band injected hole behind the pore-forming in the hole, the position of steel pipe or plastic pipe is placed in the middle in the hole; Three, in the hole in the steel pipe or the plastic pipe outside, be lowered to reinforcing bar or reinforcing cage; Four, in the outer wall of steel pipe or plastic pipe and the space between the hole wall, be lowered to sand or rubble; Five, in steel pipe or plastic pipe, be lowered to the Grouting Pipe of band grouting stop-valve; Six, start grouting pump and begin slip casting in the stake hole; Seven, steel pipe or plastic pipe effectively are connected and seal a waterproofing work respectively with between the basal layer of reinforcing bar or reinforcing cage and building behind the pile.
2. the job practices of a kind of pulling-resistant and pressure-resistant slip casting pipe pile according to claim 1, the diameter of phi that it is characterized in that steel pipe or plastic pipe is 50~150mm.
3. the job practices of a kind of pulling-resistant and pressure-resistant slip casting pipe pile according to claim 1 is characterized in that being fixed with cranse on the outer wall of steel pipe or plastic pipe, and the spacing of cranse is 50cm.
4. the job practices of a kind of pulling-resistant and pressure-resistant slip casting pipe pile according to claim 1, it is characterized in that in groundwater table during with the overlying strata pile, sand between steel pipe or plastic pipe and the hole wall or rubble are provided with the plurality of sections concrete and end the slurry layer, only starching layer thickness is 80~150cm, and its top is only starched layer thickness and is not less than 150cm.
5. the job practices of a kind of pulling-resistant and pressure-resistant slip casting pipe pile according to claim 1, it is characterized in that in steel pipe or plastic pipe, being lowered to after the Grouting Pipe of band grouting stop-valve repeatedly in any one section slip casting, the Grouting Pipe diameter of phi is 25~50mm, and grouting pressure is 0.2~20Mpa.
6. the job practices of a kind of pulling-resistant and pressure-resistant slip casting pipe pile according to claim 1 is characterized in that in groundwater table adopting churning mode or rotation drilling method pore-forming with the sub-surface pile.
7. the job practices of a kind of pulling-resistant and pressure-resistant slip casting pipe pile according to claim 6 is characterized in that the slurry outlet of steel pipe or plastic pipe adopts strip, Kong Changwei 20cm, Kong Kuanwei 1cm.
8. the job practices of a kind of pulling-resistant and pressure-resistant slip casting pipe pile according to claim 1 is characterized in that the new building thing carries out the uplift pile construction, carries out the construction of stake after the sole plate construction, reserves the stake hole on the sole plate.
CNB2007100722559A 2007-05-24 2007-05-24 Construction method for pulling-resistant and pressure-resistant slip casting pipe pile Active CN100462507C (en)

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CN100462507C true CN100462507C (en) 2009-02-18

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* Cited by examiner, † Cited by third party
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CN101532290B (en) * 2009-02-25 2010-09-01 河海大学 Granule grouting pile of ripple plastic sleeve with hole for strengthening soft soil foundation and strengthening method
CN102041814A (en) * 2010-12-31 2011-05-04 郭红军 Novel composite pile (ground) foundation and application method thereof
CN102071645B (en) * 2010-12-31 2012-10-17 中铁大桥局集团有限公司 Bridge bored pile hole wall opening protection method
CN102505684B (en) * 2011-11-02 2014-09-10 河海大学 Hollow stiffness-core slurry-solidified discrete material pile and construction method thereof
CN102677660B (en) * 2012-04-28 2014-06-04 邢台路桥建设总公司 Quick pile-forming method and method for quickly building urban flyover by quick pile-forming method
CN103790548A (en) * 2012-10-29 2014-05-14 中国石油化工股份有限公司 Grouting pipe with star drill bit and strip-shaped screwed openings
CN104975595A (en) * 2014-04-13 2015-10-14 季德樑 Strengthened pile
CN106320374B (en) * 2016-08-31 2019-10-11 中铁二十局集团第四工程有限公司 A kind of subway station steel pipe column and its construction technology
CN106703024B (en) * 2017-01-18 2020-02-28 安徽省经工建设集团有限公司 Construction process of slurry-solidified gravel composite pile
CN107460872B (en) * 2017-05-12 2020-07-28 李来宾 Artificial pipe-concrete structure end-bearing pile foundation and construction process

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3946570A (en) * 1973-10-02 1976-03-30 S.E.F.I. Sondages-Etanchements-Forages-Injections Support and foundation composite pile for various works and method for manufacturing the same
JPS57146822A (en) * 1981-03-04 1982-09-10 Morihisa Toda Method and apparatus for constructing cement mortar concrete pile
CN2129293Y (en) * 1992-02-14 1993-04-07 孔清华 Prestressed-bag device of prestressed pile
CN1072746C (en) * 1994-02-26 2001-10-10 任自放 Head and side grouting method for cast-in-situ pile

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3946570A (en) * 1973-10-02 1976-03-30 S.E.F.I. Sondages-Etanchements-Forages-Injections Support and foundation composite pile for various works and method for manufacturing the same
JPS57146822A (en) * 1981-03-04 1982-09-10 Morihisa Toda Method and apparatus for constructing cement mortar concrete pile
CN2129293Y (en) * 1992-02-14 1993-04-07 孔清华 Prestressed-bag device of prestressed pile
CN1072746C (en) * 1994-02-26 2001-10-10 任自放 Head and side grouting method for cast-in-situ pile

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