CN1320214C - Long spiral press pouring concrete lock pin combination pile and construction method thereof - Google Patents

Long spiral press pouring concrete lock pin combination pile and construction method thereof Download PDF

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Publication number
CN1320214C
CN1320214C CNB2004100940776A CN200410094077A CN1320214C CN 1320214 C CN1320214 C CN 1320214C CN B2004100940776 A CNB2004100940776 A CN B2004100940776A CN 200410094077 A CN200410094077 A CN 200410094077A CN 1320214 C CN1320214 C CN 1320214C
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China
Prior art keywords
pile
concrete
prefabricated
long spiral
core
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Expired - Fee Related
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CNB2004100940776A
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Chinese (zh)
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CN1632238A (en
Inventor
张浩捷
雷玉华
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TIANJIN HUADA COMMERCE AND TRADE CO Ltd
TIANJIN HUADA COMMERCE AND TRA
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Priority to CNB2004100940776A priority Critical patent/CN1320214C/en
Publication of CN1632238A publication Critical patent/CN1632238A/en
Application granted granted Critical
Publication of CN1320214C publication Critical patent/CN1320214C/en
Expired - Fee Related legal-status Critical Current
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Abstract

The present invention discloses a long spiral press pouring concrete lock pin combination pile and a construction method thereof. A prefabricated pile core is inserted into a long spiral press pouring concrete pile to form the combination pile. The construction method has the steps that firstly, a long spiral driller drills a hole, and after the drilled hole reaches to a designed depth, a concrete pump is started to pump concrete to a core pipe of a drill rod through a conveying pipeline, and the driller is lifted to the ground surface when the concrete is pumped; a prefabricated core pile is lifted to be inserted into a plain concrete pile body by dead weight and a pressure device to form the pile. The pile of the present invention has the advantages of high construction speed and high efficiency, and can penetrate through hard soil layers through which the prefabricated pile can not pass. The construction method of the present invention has no vibration, no noise, no mortar and no adverse effect on environment in prefabricating piles by forming holes, and can be used for construction in the center of big cities. The construction method has no squeezed soil in forming piles, avoids adverse effect on adjacent piles in construction, and has high quality in forming piles. A formed pile body has high bearing capacity, and the bearing capacity is higher than that of prefabricated piles for lots of strata.

Description

Long spiral press pouring concrete lock pin combination pile and job practices thereof
Technical field
The present invention relates to pile foundation and job practices thereof, especially long spiral press pouring concrete lock pin combination pile and the job practices thereof of building.
Background technology
In the prior art, the construction system that common long auger pump pressure in pipe castinplace pile is made up of full screw earth auger, concrete pump and forced concrete mixer, be widely used in the pile foundation construction, its construction sequence is: rig is in place to be bored into predetermined absolute altitude, in mixer, press given proportioning ready-mixed concrete in advance, by chute the concrete that stirs is dropped in the concrete pump hopper, start concrete pump concrete is pumped into drilling rod core pipe by feed-line, brill is carried on pumping of concrete limit, limit, up to face of land pile.
Long auger pump pressure in pipe perfusion piling method is that a kind of speed of application is fast, the stake of wide adaptability, and the pore-forming penetration capacity is strong, and penetrable hardpan directly is not more than the boulder bed of 60mm such as layer of sand, gravel layer and material.Do not produce vibration during the stake of pore-forming system, noiselessness, mud-less pollution, no soil compaction produces harmful effect to adjacent studs when avoiding constructing, and can construct below groundwater table.
But the stake of using this kind construction technology to form has a shortcoming that can't overcome, because boring and perfusion are finished simultaneously during the construction of stake, can only pour into fluidised form and superfluidity inserts, and formin concrete pile or CFG stake, pile strength can't further improve, the minority area is pressed into reinforcing cage after pile body forms, but because of reinforcing cage compression distance maximum behind the pile can only reach 12 meters, little for long stake effect.
Summary of the invention
Technical problem to be solved by this invention provides a kind of long spiral press pouring concrete lock pin combination pile and job practices thereof, improves long auger pump pressure in pipe pouring concrete pile pile quality, easy construction, and reliable in quality, with low cost.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of job practices of long spiral press pouring concrete lock pin combination pile may further comprise the steps successively:
A. at first with full screw earth auger boring, after boring arrives projected depth, start concrete pump concrete is pumped into drilling rod core pipe by feed-line, brill is carried up to ground in pumping of concrete limit, limit, the concrete pile body of formin;
B. before concrete initial set, lift by crane prefabricated pile core, be inserted into the pile body pile of plain concrete by deadweight and pressurized equipment.
Described prefabricated pile core can be a kind of in prefabricated reinforced concrete hollow pile, prefabricated reinforced concrete solid pile, steel pipe pile or the stake of H shaped steel.
A kind of long spiral press pouring concrete lock pin combination pile of said method construction is surrounded by prefabricated pile core in the pile body inside of being irritated the plain concrete that forms by long spiral press.
Described prefabricated pile core can be a kind of in prefabricated reinforced concrete hollow pile, prefabricated reinforced concrete solid pile, steel pipe pile or the stake of H shaped steel.
The invention has the beneficial effects as follows:
1, speed of application is fast, efficient is high, and its speed of application can be suitable with the fastest static pressed pile of present speed of application.
2, its compliance is higher than static pressed pile far away, and the pore-forming penetration capacity is very strong, and the hardpan that penetrable preformed pile can't pass directly is not more than the boulder bed of 60mm etc. such as layer of sand, gravel layer and material.
3, in pore-forming and when stake system, do not produce vibration, noiselessness, mud-less pollution, and environment is had no adverse effects, and can construct at the center, metropolis.
4, do not have soil compaction during pile, when avoiding constructing adjacent studs is produced harmful effect, the pile quality height.
5, bearing capacity of pile height, having overcome long spiral pump pressure in pipe castinplace pile limited by its pile-formation process, pile body can't be lowered to the weak shortcoming of pile strength that reinforcing cage produces, this stake is not limited to original and uses as the rigidity composite foundation, and as providing the concrete drilling bored concrete pile of high-bearing capacity to use.Be higher than preformed pile for its bearing capacity of a lot of stratum.
Description of drawings
Fig. 1 is an auger boring guncreting working drawing of the present invention.
Fig. 2 is pressed into prefabricated reinforced concrete core stake figure in the plain concrete pile of the present invention.
Fig. 3 is a pile body sectional drawing behind the pile of the present invention.
Among the figure, 1: concrete pump; 2: the transmission and concrete transmission pipeline; 3: long screw drill rod; 4: long spiral transport power head; 5: stake machine mast; 6: stake machine chassis; 7: the prefabricated reinforced concrete lock pin; 8: stake core floating pile presser; 9: the pile body of plain concrete.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
As shown in Figure 3, long spiral press pouring concrete lock pin combination pile of the present invention is surrounded by prefabricated reinforced concrete core stake 7 in pile body 9 inside of being irritated the plain concrete that forms by long spiral press.
Described reinforced concrete core stake 7 can use prefabricated reinforced concrete hollow pile, prefabricated reinforced concrete solid pile, steel pipe pile or the stake of H shaped steel to replace.
Job practices of the present invention is as follows:
As shown in Figure 1, at first be installed in the long spiral transport power head that can on stake machine mast 5, slide on the machine chassis 64 and drive the long screw drill rods 3 arrival projected depth of in the stratum, hole, at the bottom of starting concrete pump 1 then and entering the hole by transmission and concrete transmission pipeline 2 and long screw drill rod 3 core pipe pumping coagulations, brill is carried on pumping of concrete limit, limit, forms a continuous plain concrete pile body 9 gradually in the rise hole bottom gradually along with long spiral transport power head 4 drives long screw drill rod 3.
As shown in Figure 2, lifting prefabricated reinforced concrete core stake 7 before concrete initial set, aim at plain concrete pile body 9 centers be shaped, the effect by deadweight and stake core floating pile presser 8 is inserted into plain concrete pile body 9 piles, forms long spiral press pouring concrete lock pin combination pile as shown in Figure 3.

Claims (4)

1, a kind of job practices of long spiral press pouring concrete lock pin combination pile is characterized in that may further comprise the steps successively:
A. at first with full screw earth auger boring, after boring arrives projected depth, start concrete pump concrete is pumped into drilling rod core pipe by feed-line, brill is carried up to ground in pumping of concrete limit, limit, the concrete pile body of formin;
B. before concrete initial set, lift by crane prefabricated pile core, be inserted into the pile body pile of plain concrete by deadweight and pressurized equipment.
2, the job practices of long spiral press pouring concrete lock pin combination pile according to claim 1 is characterized in that described prefabricated pile core can be a kind of in prefabricated reinforced concrete hollow pile, prefabricated reinforced concrete solid pile, steel pipe pile or the stake of H shaped steel.
3, a kind of long spiral press pouring concrete lock pin combination pile of the construction of method according to claim 1 is characterized in that, is surrounded by prefabricated pile core in the pile body inside of being irritated the plain concrete that forms by long spiral press.
4, long spiral press pouring concrete lock pin combination pile according to claim 3 is characterized in that described prefabricated pile core can be a kind of in prefabricated reinforced concrete hollow pile, prefabricated reinforced concrete solid pile, steel pipe pile or the stake of H shaped steel.
CNB2004100940776A 2004-12-29 2004-12-29 Long spiral press pouring concrete lock pin combination pile and construction method thereof Expired - Fee Related CN1320214C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2004100940776A CN1320214C (en) 2004-12-29 2004-12-29 Long spiral press pouring concrete lock pin combination pile and construction method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2004100940776A CN1320214C (en) 2004-12-29 2004-12-29 Long spiral press pouring concrete lock pin combination pile and construction method thereof

Publications (2)

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CN1632238A CN1632238A (en) 2005-06-29
CN1320214C true CN1320214C (en) 2007-06-06

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Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102011402B (en) * 2010-11-11 2013-01-02 泛华建设集团有限公司 Construction method of long auger drilling concrete-grouted back-plugged profile steel piles
CN103015430A (en) * 2012-12-04 2013-04-03 北京建材地质工程公司 Long auger pressure filling steel reinforced cement-soil pile foundation pit water-resisting and supporting method
CN104404947A (en) * 2014-11-20 2015-03-11 张红 Construction method for composite pile
CN104818713A (en) * 2015-02-26 2015-08-05 武汉中力岩土工程有限公司 Profile steel cement soil pile construction method adaptive to various stratums
CN104929109B (en) * 2015-05-20 2017-09-19 骆嘉成 Displaced type pressure is poured water the long-spiral drilling machine used in soil composite pile and its construction method and construction method
CN104929110B (en) * 2015-05-20 2017-07-14 孙文 The long-spiral drilling machine used in variation rigidity composite pile and its construction method and construction method
CN106948768A (en) * 2017-04-05 2017-07-14 张腊琴 A kind of auger stem and steel pipe pile construction method
CN108677936A (en) * 2018-06-05 2018-10-19 邹延辉 The construction method of bottom pouring mortar pile is rammed in a kind of drilling

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS626021A (en) * 1985-07-01 1987-01-13 Takenaka Komuten Co Ltd Burying work for custom-made concrete pile
CN1050421A (en) * 1990-11-12 1991-04-03 中国建筑科学研究院珠海科研设计部 The piling method of casting prefabricated composite pile
EP0947634A1 (en) * 1998-03-30 1999-10-06 Hollandsche Beton Groep N.V. Method for producing a foundation pile in the ground
CN1441124A (en) * 2003-04-18 2003-09-10 雷玉华 High-pressure rotary spraying and core inserting process to form pedestal pile
CN1528988A (en) * 2003-10-20 2004-09-15 建研地基基础工程有限责任公司 Ling auger drilling pumping concrete pile-forming after-inserted reinforcement cage construction process and reinforcement cage guiding device
CN2753797Y (en) * 2004-12-29 2006-01-25 雷玉华 Long-spiral pressure-poured concrete core-inserting combined pile

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS626021A (en) * 1985-07-01 1987-01-13 Takenaka Komuten Co Ltd Burying work for custom-made concrete pile
CN1050421A (en) * 1990-11-12 1991-04-03 中国建筑科学研究院珠海科研设计部 The piling method of casting prefabricated composite pile
EP0947634A1 (en) * 1998-03-30 1999-10-06 Hollandsche Beton Groep N.V. Method for producing a foundation pile in the ground
CN1441124A (en) * 2003-04-18 2003-09-10 雷玉华 High-pressure rotary spraying and core inserting process to form pedestal pile
CN1528988A (en) * 2003-10-20 2004-09-15 建研地基基础工程有限责任公司 Ling auger drilling pumping concrete pile-forming after-inserted reinforcement cage construction process and reinforcement cage guiding device
CN2753797Y (en) * 2004-12-29 2006-01-25 雷玉华 Long-spiral pressure-poured concrete core-inserting combined pile

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Owner name: LEI YUHUA

Free format text: FORMER OWNER: HUADA TRADE CO., LTD., TIANJIN CITY

Effective date: 20050923

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Effective date of registration: 20050923

Address after: 300451, No. 499, Dan Jiang north road, Tianjin, Tanggu

Applicant after: Lei Yuhua

Address before: 300451, No. 499, Dan Jiang north road, Tianjin, Tanggu

Applicant before: Tianjin Huada Commerce and Trade Co., Ltd.

C14 Grant of patent or utility model
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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20070606

Termination date: 20111229