CN102839652A - Steel strand cast-in-place pile and construction method thereof - Google Patents
Steel strand cast-in-place pile and construction method thereof Download PDFInfo
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- CN102839652A CN102839652A CN 201210335871 CN201210335871A CN102839652A CN 102839652 A CN102839652 A CN 102839652A CN 201210335871 CN201210335871 CN 201210335871 CN 201210335871 A CN201210335871 A CN 201210335871A CN 102839652 A CN102839652 A CN 102839652A
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Abstract
The invention relates to a steel strand cast-in-place pile and a construction method of the steel strand cast-in-place pile, in particular to a steel strand cast-in-place pile using a steel strand to replace a traditional steel reinforcing steel cage structure; the steel strand cast-in-place pile is composed of a steel strand 1, a steel strand limiting device 2, a steel strand anchoring device 3 and a cast-in-place pile concrete 4; the construction method for the steel strand cast-in-place pile comprises the steps of: firstly, drilling the cast-in-place pile and forming holes by a dry method or a wet method; cleaning the holes in one time after forming the holes to the designed elevation to meet the demands of sediment; inserting and fixing the steel strand by the steel strand anchoring device according to the requirement of designed reinforcing bars; lifting the steel strand anchoring device inlet holes by a drilling machine; and lifting down the inlet holes to a conduit for casting concrete after finishing the lifting and installing work of the steel strand anchoring device inlet holes. Compared with a cast-in-place pile with a traditional steel reinforcing cage structure, the steel strand cast-in-place pile is capable of saving steel by more than 60% and improving the tensile resistance and distortion force intensity of the pile, so that the cast-in-place pile is mainly applied in uplift piles, support piles and part of engineering piles; and in addition, the cast-in-place pile is simple in construction technology and low in energy consumption, is capable of reducing construction cost, brings high social and economic benefits for building an energy-saving, environment-friendly, low-carbon and economical society, and is worthy of wide popularization.
Description
Technical field
The present invention relates to a kind of new structure castinplace pile and job practices thereof of pile foundation, refer more particularly to a kind of steel strand castinplace pile and job practices thereof.
Background technology
Existing traditional bored concrete pile foundation all is to adopt the bar construction pile tube when using as uplift pile, soldier pile, and its steel content is bigger; The waste steel; Cost is uneconomical, and after adopting a kind of steel strand castinplace pile of the present invention and job practices thereof, can significantly practice thrift the steel use amount; The result rationally, easy construction, energy-conserving and environment-protective, low-carbon economy.
Summary of the invention
A kind of steel strand castinplace pile and job practices thereof, said a kind of steel strand castinplace pile are by steel strand 1; Steel strand stopping means 2; Steel strand anchoring device 3; Cast-in-place pile concrete 4 is formed; Said job practices is: at first adopt dry method or wet method to become the castinplace pile drilling and forming hole; Then adopt the once clear hole of yellow mud mud jacking high pressure to satisfy the sediment requirement after pore-forming to the design elevation, require to adopt steel strand anchor ingot device to intert fixedly steel strand according to design reinforcement again, adopt rig to hang steel strand anchoring device man-hole opening; After hanging the peace end, be lowered to the centre pipe concrete perfusion.
Accompanying drawing
Fig. 1 is the present invention's " a kind of steel strand perfusion pile tube and method thereof " pilework sketch map
Do progressive explanation below in conjunction with structural representation:
A kind of steel strand castinplace pile and job practices thereof; Said steel strand 1 are according to bored concrete pile foundation design load bearing requirements; Select the steel strand of different size, general preferred with specification Φ 10-25mm, steel strand can adopt the single interspersed steel strand cage that forms that links up; Also can adopt many interting separately with steel strand to form cage, said steel strand include but not limited to that steel strand, rod iron are made; Said steel strand stopping means 2; Be meant and be used for fixing the steel strand position; Make steel strand keep a kind of device of design cage modle state, comprise ring-like positioner, polygonal positioner, the steel strand stopping means can adopt but be not limited to reinforcing bar, iron plate, alloy, plastic products; The steel strand stopping means is according to the length of pile tube design and the specification difference of steel strand, and taking spacing is that 200-2000mm places; Said steel strand anchoring device 3 is meant our company's another one utility model patent goods, patent name " a kind of piled anchor is fixed "; Said concrete is produced according to designing the label requirement; Said job practices is: castinplace pile drilling and forming hole at first, can adopt dry method or wet method pore-forming; Then the sediment requirement is satisfied in once clear hole after pore-forming to the design elevation, and next adopts rig to hang steel strand anchoring device man-hole opening, hangs to be lowered to tremie concrete 4 again after peace finishes, and accomplishes whole construction course and gets the steel strand castinplace pile.A kind of steel strand of the present invention perfusion pile tube and job practices thereof, rational in infrastructure, easy construction, saving steel, cost economic, result of use are good, and use should be widely promoted.
The specific embodiment
Embodiment 1: garden, strand, Nantong one underground construction, and dark 6 meters of foundation pit, design uses the present invention's " a kind of steel strand castinplace pile and job practices thereof " to do the pattern foundation pit supporting structure pile tube; Said steel strand castinplace pile is that to adopt specification through calculation Design be the steel strand 1 of Φ 12mm, adopts 6 and is interspersed in 3 one-tenth cages of steel strand anchoring device separately, steel strand stopping means 2 employing reinforced steel bar rings; Every 500mm places one, and said job practices is according to castinplace pile drilling and forming hole at first, can adopt dry method or wet method pore-forming; Then the sediment requirement is satisfied in once clear hole after pore-forming to the design elevation; Require to adopt steel strand anchoring device 3 to intert fixedly steel strand 1 according to design reinforcement, next adopts rig to hang steel strand anchoring device man-hole opening, hangs the method construction that is lowered to tremie concrete 4 after peace finishes again; Get finished steel twisted wire castinplace pile; Through test and calculating, adopt the steel strand castinplace pile of job practices perfusion of the present invention to reach the technical requirements of design bank protection each item, whole engineering is than using the stake of traditional reinforcing bar structural tube to practice thrift 130 tons of steel; (former design scheme needs 220 tons of steel) practices thrift nearly 60% than original design, economic benefit is obvious.
Embodiment 2: garden, strand, Nantong one underground infrastructure, be designed to mass-type foundation, and traditional reinforcing bar uplift pile stake is used in former design; Existing design uses the present invention's " a kind of steel strand castinplace pile and job practices thereof " to do uplift pile, and said steel strand castinplace pile is that to adopt specification through calculation Design be the rod iron 1 of Φ 18mm, adopts single 6 radicals to insert in 3 one-tenth cages of steel strand anchoring device; Steel strand stopping means 2 adopts the steel plate rings, and every 300mm places one, and said job practices is according to castinplace pile drilling and forming hole at first; Can adopt dry method or wet method pore-forming, the sediment requirement is satisfied in once clear hole after pore-forming to the design elevation, requires to adopt steel strand anchoring device 3 to intert fixedly rod iron 1 according to design reinforcement; Adopt rig to hang steel strand anchoring device man-hole opening; After hanging the peace end, be lowered to the method construction of tremie concrete 4, get the steel strand castinplace pile; Through test and calculating; Adopt the steel strand castinplace pile of job practices perfusion of the present invention to reach the technical requirements of design ground resistance to plucking each item, whole engineering is than using the stake of traditional reinforcing bar structural tube to practice thrift 350 tons of steel, and economic benefit is obvious.
Claims (6)
1. steel strand castinplace pile and job practices thereof, said steel strand castinplace pile is by steel strand 1; Steel strand stopping means 2; Steel strand anchoring device 3; Cast-in-place pile concrete 4 is formed; Said job practices is: castinplace pile drilling and forming hole at first, can adopt dry method or wet method pore-forming, and the sediment requirement is satisfied in once clear hole after pore-forming to the design elevation; Require to adopt steel strand anchor ingot device to intert fixedly steel strand according to design reinforcement; Adopt rig to hang steel strand anchoring device man-hole opening, hang after peace finishes, be lowered to tremie concrete.
2. according to said a kind of steel strand castinplace pile of claim 1 and job practices thereof, it is characterized in that: said steel strand can adopt single link up to intert also can adopt many and intert into cage separately.
3. according to said a kind of steel strand castinplace pile of claim 1 and job practices thereof, it is characterized in that: said steel strand adopt and include but not limited to that specification is steel strand, the rod iron of Φ 10-20mm.
4. according to said a kind of steel strand castinplace pile of claim 1 and job practices thereof; It is characterized in that: the steel strand stopping means is meant and is used for fixing the steel strand position; Make steel strand keep a kind of device of design cage modle state, comprise ring-like positioner, polygonal positioner.
5. according to said a kind of steel strand castinplace pile of claim 4 and job practices thereof, it is characterized in that: the steel strand stopping means can adopt but be not limited to reinforcing bar, iron plate, alloy, plastic products.
6. according to said a kind of steel strand castinplace pile of claim 1 and job practices thereof, it is characterized in that: the steel strand stopping means is according to the length of pile tube design and the specification difference of steel strand, and taking spacing is that 200-2000mm places.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210335871 CN102839652A (en) | 2012-09-12 | 2012-09-12 | Steel strand cast-in-place pile and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210335871 CN102839652A (en) | 2012-09-12 | 2012-09-12 | Steel strand cast-in-place pile and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN102839652A true CN102839652A (en) | 2012-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 201210335871 Pending CN102839652A (en) | 2012-09-12 | 2012-09-12 | Steel strand cast-in-place pile and construction method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179171A (en) * | 2014-07-24 | 2014-12-03 | 中交一航局第五工程有限公司 | Hanging-hole-method cast-in-place pile construction method and hole collapse prevention method thereof |
| CN110206023A (en) * | 2019-06-19 | 2019-09-06 | 浙江海洋大学 | A kind of filling pile structure |
| CN111676976A (en) * | 2020-04-28 | 2020-09-18 | 中铁工程装备集团有限公司 | Construction method of limited space flexible skeleton structure |
-
2012
- 2012-09-12 CN CN 201210335871 patent/CN102839652A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179171A (en) * | 2014-07-24 | 2014-12-03 | 中交一航局第五工程有限公司 | Hanging-hole-method cast-in-place pile construction method and hole collapse prevention method thereof |
| CN110206023A (en) * | 2019-06-19 | 2019-09-06 | 浙江海洋大学 | A kind of filling pile structure |
| CN110206023B (en) * | 2019-06-19 | 2020-11-13 | 浙江海洋大学 | Construction method of cast-in-place pile structure |
| CN111676976A (en) * | 2020-04-28 | 2020-09-18 | 中铁工程装备集团有限公司 | Construction method of limited space flexible skeleton structure |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121226 |