CN101100858A - Construction method for drilling tool center pumping concrete post mudjack concrete pouring pile and construction device thereof - Google Patents

Construction method for drilling tool center pumping concrete post mudjack concrete pouring pile and construction device thereof Download PDF

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Publication number
CN101100858A
CN101100858A CNA2006100102528A CN200610010252A CN101100858A CN 101100858 A CN101100858 A CN 101100858A CN A2006100102528 A CNA2006100102528 A CN A2006100102528A CN 200610010252 A CN200610010252 A CN 200610010252A CN 101100858 A CN101100858 A CN 101100858A
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China
Prior art keywords
concrete
pile
drilling tool
grouting pipe
stake
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Pending
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CNA2006100102528A
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Chinese (zh)
Inventor
翟向滨
翟宇思
翟宇飞
翟宇红
张宇
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翟向滨
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Priority to CNA2006100102528A priority Critical patent/CN101100858A/en
Publication of CN101100858A publication Critical patent/CN101100858A/en
Pending legal-status Critical Current

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Abstract

This is a concrete grouting method and the facility. The method is as: drill to the designed depth and fill in concrete through the drill and raise the drill simultaneously till designed level. Select grouting pipe according to the grouting manner from side wall or from the top end or together. In case of side wall grouting, the grouting pipe is directly fixed to the reinforcing cage and put into the drill hole together. In case of top end grouting, the grouting pipe is drilled through the concrete into the soil. Grouting time is 1-4 weeks after pile accomplished.

Description

The job practices and the construction equipment thereof of drilling tool center pumping concrete post mudjack concrete pouring pile
Technical field:
The present invention relates to the job practices and the construction equipment of a kind of drilling tool center pumping concrete stake side pile bottom post grouting concrete filling pile.
Background technology:
The stake side of extensive use at present, the pile bottom post grouting concrete filling pile is all realized under dried operation pore-forming or mud off pore-forming technique, though it has solved end load and the side frictional resistance problem that improves stake.But once finish promptly " bore and irritate unification " owing to can not realize boring and concrete pouring in the work progress.So its complex process, speed of application is slow, contaminated environment, quality control difficulty.And the various spiral drills center pumping concrete filling pile of using in recent years, as CFG stake, superfluidity stake etc., because its technology particularity, its stake end and side frictional resistance are all lower.In order to solve the problems referred to above of spiral drill center pumping concrete filling pile, many knowledgeable people have dropped into a large amount of financial resources energy, research and develop, as penetrate slurry expanded bore pile, rotary-jetting bottom-expanding pile, expand end agitation pile etc., all because its device structure is too complicated, technology is restive, so use lessly, and existing some device exists 1, the slip casting tube apparatus is too complicated huge down, following slip casting pipe unit poor reliability, Grouting Pipe is difficult for breaking away from the shake tube pulling; 2, the shake pulling device vibrates in the hole of concrete is arranged, and very easily concrete is caused from rare, and gravel sinks to the stake bottom, shakes tube pulling like this and can not reach the stake bottom, so Grouting Pipe can not arrive the stake bottom; Though 3, a small amount of rubble is arranged at the Grouting Pipe bottom, but at the bottom of no matter whether Grouting Pipe arrives, the Grouting Pipe outside is to be wrapped up by concrete, when reaching 30%~100%, easily cause concrete strength Grouting Pipe to block, hole-bottom slurry-injection such as can not realize at shortcoming, also exist in the prior art in addition a kind of to behind the pump-injecting concrete pile of auger stem center to a kind of remedial measure at the bottom of the stake, it is lowered to the Grouting Pipe degree of depth certain limit, slip casting is slip casting immediately when pile, so be not grouting behind shaft or drift lining worker method, its slip casting effect does not far reach the grouting behind shaft or drift lining method.
Summary of the invention:
The purpose of this invention is to provide a kind of drilling tool center pumping concrete filling pile that can reach and have the afterwards job practices and the construction equipment thereof of the drilling tool center pumping concrete post mudjack concrete pouring pile of pouring mortar pile concurrently.
Above-mentioned purpose realizes by following technical scheme:
The job practices of a kind of drilling tool center pumping concrete post mudjack concrete pouring pile is at first bored the stake hole to prescribed depth with drilling tool; By pumping concrete material in the mind-set hole in the drilling tool, promote drilling tool simultaneously then, and guarantee the concrete face all the time on the discharging opening of drill bit, pumping concrete material to specified altitude, the proposition drilling tool; Choose a sidewall slip casting or pile end grouting or the slip casting simultaneously of stake sidewall stake end; According to selected grouting mode Grouting Pipe is installed; The sidewall Grouting Pipe can be directly installed on the reinforcing cage, together be lowered in the hole with reinforcing cage, the pile end grouting pipe by rig or manually drive pile end grouting Guan Zaiyi perfusion finish pierce in the stake hole of concrete at the bottom of below original soil layer in, stake side and carrying out in 1~4 week behind pile pile end grouting time.
The job practices of above-mentioned drilling tool center pumping concrete post mudjack concrete pouring pile, described concrete filling pile are helical burr ram or reaming stake or straight hole pile.
The pile end grouting pipe of the construction of a kind of drilling tool center pumping concrete post mudjack concrete pouring pile, its composition comprises: drill bit, Grouting Pipe has the grout outlet that links to each other with described Grouting Pipe on the described drill bit.
The pile end grouting pipe of the construction of above-mentioned drilling tool center pumping concrete post mudjack concrete pouring pile, described Grouting Pipe are full helical blade or part helical blade.
This technical scheme has following beneficial effect:
1. the inventive method collects spiral drill center pumping concrete, and the advantage of mud jacking can greatly improve bearing capacity of single pile after the reaming, and maximum can improve pile capacity more than 2 times.
2. the inventive method has solved the big defective of heavy quarrel at the bottom of the injecting concrete stake stake of drilling tool center, further improves a stake side frictional resistance, and the problem of bearing capacity of pile tip makes advantage of this type of and back pouring mortar pile all obtain giving full play to.
3. the inventive method can be selected only stake side slip casting, pile end grouting and the slip casting simultaneously of stake side stake end for use according to the bearing capacity difference of stake, and stake side slip casting is because Grouting Pipe is together to descend in the hand-hole with reinforcing cage, so the simple speed of constructing is fast.Pile end grouting is also reinforced stake end loosened soil when reinforcing stake end primitive soil, so stake side slip casting effect is good for its pile capacity.The slip casting simultaneously of stake end stake side can improve the bearing capacity of stake greatly, and maximum can improve bearing capacity of single pile more than 1.5 to 2 times.
4. pile end grouting pipe construction device of the present invention, but the steel pipe merogenesis be lowered in the hole, the thickness of steel pipe diameter can reduce, cost reduces equally, in the following original soil layer, can guarantee that grouting port is not blocked by concrete at the bottom of Grouting Pipe is lowered to, Grouting Pipe is unimpeded, because Grouting Pipe is provided with drill bit, can select helical blade as required for use again, following Grouting Pipe speed is fast, simple to operate, it is fast to pierce Grouting Pipe speed with rig, and the degree of depth is reliable.
5. by rig or manually drive pile end grouting pipe rotation and pierce, in the following original soil layer, can hold primitive soil to reinforce at the bottom of reaching to stake always.
6. use the inventive method can realize " bore and irritate unification ", has the characteristics that back pouring mortar pile bearing capacity increases substantially again, the inventive method construction equipment mature and reliable and simple.
Description of drawings:
Accompanying drawing 1 is the structural representation of the construction equipment pile end grouting pipe of drilling tool center pumping concrete post mudjack concrete pouring pile;
Accompanying drawing 2 is work progress schematic diagrames of the boring in this job practices;
Accompanying drawing 3 is to be drilled into reaming construction schematic diagram at the bottom of the hole in this job practices;
Accompanying drawing 4 is construction schematic diagrames of being carried brill in this job practices by drilling tool center pumping concrete simultaneously;
Accompanying drawing 5 is this job practices perfusion concrete construction schematic diagrames to design elevation;
Accompanying drawing 6 is construction schematic diagrames of this job practices reinforcing cage of being lowered to the sidewall Grouting Pipe;
Accompanying drawing 7 is these job practicess with rig or manually with the construction schematic diagram in the original soil layer below at the bottom of the pile end grouting pipe bit hand-hole.
The specific embodiment of the present invention:
Embodiment 1:
The job practices of drilling tool center pumping concrete post mudjack concrete pouring pile is bored the stake hole to prescribed depth with the long screw auger tool; 2, by pumping concrete material in the mind-set hole in the drilling tool.Promote drilling tool simultaneously and guarantee that the concrete face is all the time on the discharging opening of drill bit; 3, pumping concrete material proposes drilling tool to specified altitude; 4, the reinforcing cage that the sidewall Grouting Pipe will be housed is lowered in the hole; 5, inject slurries by Grouting Pipe to the stake side length of time of concrete as required.
Embodiment 2:
The job practices of embodiment 1 described drilling tool center pumping concrete post mudjack concrete pouring pile is bored the stake hole to prescribed depth with the long screw auger tool; 2, by pumping concrete material in the mind-set hole in the drilling tool, promote drilling tool simultaneously and guarantee that the concrete face is all the time on the discharging opening of drill bit; 3, pumping concrete material proposes drilling tool to specified altitude; 4, effective rig of special pile end grouting or artificial rotation are pierced in the following original soil layer in a hole; 5, inject slurries by the pile end grouting pipe to the stake end length of time of concrete as required.
Embodiment 3:
The job practices of embodiment 1 described drilling tool center pumping concrete post mudjack concrete pouring pile is bored the stake hole to prescribed depth with the long screw auger tool; 2, by pumping concrete material in the mind-set hole in the drilling tool, promote drilling tool simultaneously and guarantee that the concrete face is all the time on the discharging opening of drill bit; 3, pumping concrete material proposes drilling tool to specified altitude; 4, the reinforcing cage that the sidewall Grouting Pipe will be housed is lowered in the hole; 5, effective rig of special pile end grouting or artificial rotation are pierced in the pile body, and at the bottom of being drilled in the following original soil layer; 6, according to length of time of required concrete by pile end grouting pipe and stake side Grouting Pipe injection slurry respectively or together.
Embodiment 4:
The job practices of embodiment 1 described drilling tool center pumping concrete post mudjack concrete pouring pile is bored the stake hole to prescribed depth with the long screw auger tool; 2, will be flared to the hole wall that expands cutter insertion stake hole gradually along one or several expansion cuttves that short transverse is arranged on the long screw auger tool; 3, hole wall is enlarged one or several and expand head; 4, by pumping concrete material in the mind-set hole in the drilling tool, promote drilling tool simultaneously and guarantee that the concrete face is all the time on the discharging opening of drill bit; Propose drilling tool when 5, pumping concrete material is to specified altitude, reinforcing cage is lowered in the hole; 6,, pierce in the soil layer original below the hole with rig or artificial rotation with special pile end grouting pipe; 7, length of time of concrete as required, go into slurries to the stake rising pouring by the pile end grouting pipe.
Embodiment 5:
The job practices of embodiment 1 described drilling tool center pumping concrete post mudjack concrete pouring pile, 1, the long screw auger tool bores the stake hole to prescribed depth; 2, will be flared to the hole wall that expands cutter insertion stake hole gradually along one or more expansion cuttves that short transverse is arranged on the long screw auger tool; 3, hole wall is enlarged one or several and expand head; 4, by pumping concrete material in the mind-set hole in the drilling tool, promote drilling tool simultaneously and guarantee that the concrete face is all the time on the discharging opening of drill bit; Proposing the reinforcing cage that drilling tool will be equipped with the sidewall Grouting Pipe when 5, pumping concrete material is to specified altitude is lowered in the hole; 6, inject slurries by Grouting Pipe to the stake side length of time of concrete as required.
Embodiment 6:
The job practices of embodiment 1 described drilling tool center pumping concrete post mudjack concrete pouring pile is bored the stake hole to prescribed depth with the long screw auger tool; 2, will be flared to the hole wall that expands cutter insertion stake hole gradually along one or more expansion cuttves that short transverse is arranged on the long screw auger tool; 3, hole wall is enlarged one or several and expand head; 4, by pumping concrete material in the mind-set hole in the drilling tool, promote drilling tool simultaneously and guarantee that the concrete face is all the time on the discharging opening of drill bit; Proposing the reinforcing cage that drilling tool will be equipped with the sidewall Grouting Pipe when 5, pumping concrete material is to specified altitude is lowered in the hole; 6, with the effective rig of special pile end grouting or manually pierce in the following original soil layer in a hole; 7, inject slurries by Grouting Pipe respectively or together to stake side stake end the length of time of concrete as required.
Embodiment 7:
The job practices of embodiment 1 described drilling tool center pumping concrete post mudjack concrete pouring pile, 1, be formed with half-thread and finishing by drilling tool center pumping concrete in the stake hole of concrete pouring, will be equipped with under the reinforcing cage of sidewall Grouting Pipe in the hand-hole; 2, length of time of concrete as required, inject slurries to the stake sidewall by Grouting Pipe.
Embodiment 8:
The job practices of embodiment 1 described drilling tool center pumping concrete post mudjack concrete pouring pile, 1, be formed with screw thread and finishing by drilling tool center pumping concrete in the stake hole of concrete pouring, in hand-hole under the reinforcing cage; 2, with the effective rig of special pile end grouting or at the bottom of manually piercing in the following original soil layer; 3, length of time of concrete as required, inject slurries to the stake end by the pile end grouting pipe.
Embodiment 9:
The job practices of embodiment 1 described drilling tool center pumping concrete post mudjack concrete pouring pile, 1, be formed with half-thread and finishing by drilling tool center pumping concrete in the stake hole of perfusion, will be equipped with under the reinforcing cage of sidewall Grouting Pipe in the hand-hole; 2, with rig or below at the bottom of manually special pile end grouting pipe bit being gone in the original soil layer; 4, length of time of concrete as required, by the pile end grouting pipe to stake end and the slip casting simultaneously of stake sidewall or injection slurry respectively.
Embodiment 10:
The job practices of embodiment 1 described drilling tool center pumping concrete post mudjack concrete pouring pile, sidewall Grouting Pipe are installed on the reinforcing cage and together are lowered in the stake hole of having poured into concrete with reinforcing cage.
Embodiment 11:
The pile end grouting pipe of the construction of a kind of drilling tool center pumping concrete post mudjack concrete pouring pile, its composition comprises: drill bit 4, the grout outlet 3 that links to each other with Grouting Pipe 1 is arranged on the described drill bit 4, when pumping concrete material to specified altitude, drilling tool is proposed; With the effective rig of pile end grouting or manually pierce in the soil layer original below the hole, go into slurries by the grout outlet of Grouting Pipe to the stake rising pouring length of time of concrete as required.
Embodiment 12:
The pile end grouting pipe of the construction of embodiment 10 described drilling tool center pumping concrete post mudjack concrete pouring piles, described Grouting Pipe is full helical blade or part helical blade, selects helical blade 2 forms on the Grouting Pipe as required.
Embodiment 13:
The pile end grouting pipe of the construction of embodiment 10 described drilling tool center pumping concrete post mudjack concrete pouring piles, described Grouting Pipe 1 is by forming with the steel pipe of diameter or different-diameter.

Claims (4)

1. the job practices of a drilling tool center pumping concrete post mudjack concrete pouring pile is characterized in that: at first bore the stake hole to prescribed depth with drilling tool; By pumping concrete material in the mind-set hole in the drilling tool, promote drilling tool simultaneously then, and guarantee the concrete face all the time on the discharging opening of drill bit, pumping concrete material to specified altitude, the proposition drilling tool; Choose a sidewall slip casting or pile end grouting or the slip casting simultaneously of stake sidewall stake end; According to selected grouting mode Grouting Pipe is installed; The sidewall Grouting Pipe can be directly installed on the reinforcing cage, together be lowered in the hole with reinforcing cage, the pile end grouting pipe by rig or manually drive pile end grouting Guan Zaiyi perfusion finish pierce in the stake hole of concrete at the bottom of below original soil layer in, stake side and carrying out in 1~4 week behind pile pile end grouting time.
2. the job practices of drilling tool according to claim 1 center pumping concrete post mudjack concrete pouring pile is characterized in that: described concrete filling pile is helical burr ram or reaming stake or straight hole pile.
3. the pile end grouting pipe of the construction of a drilling tool center pumping concrete post mudjack concrete pouring pile, its composition comprises: drill bit, Grouting Pipe is characterized in that: have the grout outlet that links to each other with described Grouting Pipe on the described drill bit.
4. the pile end grouting pipe of the construction of drilling tool according to claim 3 center pumping concrete post mudjack concrete pouring pile is characterized in that: described Grouting Pipe is full helical blade or part helical blade.
CNA2006100102528A 2006-07-03 2006-07-03 Construction method for drilling tool center pumping concrete post mudjack concrete pouring pile and construction device thereof Pending CN101100858A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2006100102528A CN101100858A (en) 2006-07-03 2006-07-03 Construction method for drilling tool center pumping concrete post mudjack concrete pouring pile and construction device thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2006100102528A CN101100858A (en) 2006-07-03 2006-07-03 Construction method for drilling tool center pumping concrete post mudjack concrete pouring pile and construction device thereof

Publications (1)

Publication Number Publication Date
CN101100858A true CN101100858A (en) 2008-01-09

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101812843A (en) * 2010-04-20 2010-08-25 黑龙江省东煤建筑基础工程有限公司 Centre grouted poured post-grouting pile construction methods, and grouter and grout injector used thereby
CN102312433A (en) * 2011-04-26 2012-01-11 王庆伟 Pile forming method for pipe sinking pressure grouting screw pile
CN101629470B (en) * 2008-07-15 2012-11-07 中国葛洲坝集团股份有限公司 Drilling construction method for dry rock-socketed bored pile
CN103195063A (en) * 2013-04-02 2013-07-10 翟宇思 Fresh water splitting post grouting construction method
CN103603341A (en) * 2013-10-31 2014-02-26 周兆弟 Shaping method for waste-residue fill ultrahigh strength pile foundation

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101629470B (en) * 2008-07-15 2012-11-07 中国葛洲坝集团股份有限公司 Drilling construction method for dry rock-socketed bored pile
CN101812843A (en) * 2010-04-20 2010-08-25 黑龙江省东煤建筑基础工程有限公司 Centre grouted poured post-grouting pile construction methods, and grouter and grout injector used thereby
CN101812843B (en) * 2010-04-20 2011-11-09 黑龙江省东煤建筑基础工程有限公司 Centre grouted poured post-grouting pile construction methods, and grouter and grout injector used thereby
CN102312433A (en) * 2011-04-26 2012-01-11 王庆伟 Pile forming method for pipe sinking pressure grouting screw pile
CN103195063A (en) * 2013-04-02 2013-07-10 翟宇思 Fresh water splitting post grouting construction method
CN103603341A (en) * 2013-10-31 2014-02-26 周兆弟 Shaping method for waste-residue fill ultrahigh strength pile foundation
CN103603341B (en) * 2013-10-31 2016-04-27 周兆弟 Waste-residue fill ultrahigh strength pile foundation manufacturing process

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Open date: 20080109