CN103397630B - Stiffening pile with grouting bags - Google Patents
Stiffening pile with grouting bags Download PDFInfo
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- CN103397630B CN103397630B CN201310323429.XA CN201310323429A CN103397630B CN 103397630 B CN103397630 B CN 103397630B CN 201310323429 A CN201310323429 A CN 201310323429A CN 103397630 B CN103397630 B CN 103397630B
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- slip casting
- casting bag
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- pile
- resistance
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Abstract
Disclosed is a stiffening pile with grouting bags. A stiffener is arranged inside a cement pile, at least one grouting bag is arranged on the stiffener, and cement paste or cement motor is filled into the grouting bags. After the grouting bags filled with the cement paste or the cement motor expand and solidify, frictional resistance and pulling resistance of the stiffening pile are greatly increased, deformation of the stressed stiffening pile is reduced, and safety of foundation pits is improved.
Description
Technical field
The present invention relates to Base hole supporting technology field, specifically relate to a kind of stiffening pile, further relate to a kind of stiffening pile with slip casting bag.
Background technology
Deep Foundation Pit Supporting Project conventional at present, cement-soil stiffening pile has higher uplift resistance, in the soil layer of some weaknesses, obtain application, achieves good technique effect.
But the stratum that, water level large for water content is high, conventional stiffening pile curing time is longer, is sometimes difficult to the needs meeting duration tighter engineering, and in the engineering that fender post space is less, conventional stiffening pile form anchor is difficult to through fender post.
Therefore, develop and a kind ofly there is higher uplift resistance and bearing capacity and the novel stiffening pile that can solve the problem is the key problem of this patent.
Summary of the invention
Technical problem to be solved by this invention is, overcomes problems of the prior art, provides a kind of stiffening pile with slip casting bag.
In order to solve the problem, technical scheme of the present invention is such:
A kind of stiffening pile with slip casting bag, stiffening pile for pattern foundation pit supporting structure or slope reinforcement is made up of cement soil pile, reinforcing body, cement earth pile is by stir or churning or mixing jet-grouting are formed, reinforcing body is arranged on cement soil pile inside, it is characterized in that, reinforcing body is provided with at least one slip casting bag, slip casting bag is provided with Grouting Pipe, slip casting bag is flexible slip casting bag, is marked with cement paste or cement mortar in slip casting bag; Reinforcing body is through slip casting bag.
Slip casting bag is that gas permeable material is made.
Described slip casting bag is provided with control valve.
The external diameter of slip casting bag is greater than the external diameter of cement earth pile.
The external diameter of slip casting bag is less than or equal to the external diameter of cement earth pile.
Reinforcing body is connected with resistance to plucking structure, and described slip casting bag is positioned at before resistance to plucking structure.
Reinforcing body is connected with resistance to plucking structure, and described slip casting bag is positioned at the periphery of resistance to plucking structure.
Described slip casting bag and resistance to plucking structure are close to.
The external diameter of slip casting bag is greater than resistance to plucking structure external diameter.
Reinforcing body is connected with a resistance to plucking structure and a slip casting bag.
Reinforcing body is connected with multiple resistance to plucking structure and multiple slip casting bag.
The end of resistance to plucking structure is hemispherical, and reinforcing body walks around hemispherical resistance to plucking structure.
Reinforcing body is steel strand.
Described steel strand are non-bending steel cable.
Described steel strand are the steel strand of part adhesive.
Resistance to plucking structure is a cage-like structure, and the end of cage-like structure is hemispherical.
Resistance to plucking structure is form anchor.
Described form anchor end is hemispherical.
Described slip casting bag is provided with the hole passed for drilling rod and/or reinforcing body.
Beneficial effect, the stiffening pile with slip casting bag of the present invention, when the slip casting of slip casting bag is expanded, can extrude compacted to soil-cement body; Aqueous slurry or cement mortar in slip casting bag after expansion, after solidifying, increase anchoring body intensity, and improve anchoring body rigidity and strengthen local anti-pressure ability, thus increase frictional resistance and the uplift resistance of stiffening pile, frictional resistance and uplift resistance can improve more than 30%.
Accompanying drawing explanation
The present invention is described in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 embodiment 1 is the structural representation of a kind of stiffening pile with slip casting bag of the present invention.
Fig. 2 a is the first slip casting bag plane structure schematic diagram of the present invention.
Fig. 2 b is the second slip casting bag plane structure schematic diagram of the present invention.
Fig. 2 c is the third slip casting bag plane structure schematic diagram of the present invention.
Fig. 3 embodiment 2 is the structural representation of a kind of stiffening pile with slip casting bag of the present invention.
Fig. 4 embodiment 3 is the structural representation of a kind of stiffening pile with slip casting bag of the present invention.
Fig. 5 embodiment 4 is the structural representation of a kind of stiffening pile with slip casting bag of the present invention.
Fig. 6 embodiment 5 is the structural representation of a kind of stiffening pile with slip casting bag of the present invention.
Fig. 7 embodiment 6 is the structural representation of a kind of stiffening pile with slip casting bag of the present invention.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
Embodiment 1, referring to Fig. 1, a kind of stiffening pile with slip casting bag, stiffening pile is used for pattern foundation pit supporting structure or slope reinforcement, is obliquely arranged in the soil body.Stiffening pile is made up of cement soil pile 1, reinforcing body 2, and cement soil pile 1 is by stir or churning or mixing jet-grouting are formed, and reinforcing body 2 is arranged on cement soil pile inside.Reinforcing body 2 be soap-free emulsion polymeization or the steel strand of part adhesive.Reinforcing body 2 is locked on the waist rail of foundation ditch, in order to increase uplift resistance and the frictional resistance of stiffening pile, reinforcing body 2 arranges slip casting bag 3, filling concrete slurry or cement mortar in slip casting bag 3, slip casting bag 3 solidifies rear formation induration, the draft that induration can bear is delivered on reinforcing body 2, increases uplift resistance and the frictional resistance of stiffening pile.
Namely on reinforcing body 2, be provided with a slip casting bag 3, slip casting bag 3 be provided with Grouting Pipe 4, slip casting bag 3 is flexible slip casting bag, is marked with cement paste or cement mortar in slip casting bag 3.Before construction, slip casting bag 3 is flat, flat slip casting bag 3 connects reinforcing body 2, namely reinforcing body 2 is through the hole on slip casting bag 3, then by rig, reinforcing body 2 is brought in the prebored hole of stiffening pile together with slip casting bag 3, then, in subsequent construction, in slip casting bag, cement paste or cement mortar is injected by Grouting Pipe 4.Grouting Pipe 4 connects slip casting bag 3 and brings in prebored hole with construction.Grouting Pipe 4 is flexible non-metallic pipe or metal tube, after slip casting, can by Grouting Pipe 4 colligation shutoff, and after slip casting bag solidifies, Grouting Pipe is stayed the inside or is extracted as required.
Described slip casting bag 3 is provided with the control valve 8 preventing slurries from flowing backwards, and when in slip casting bag during slip casting, under outer grouting pressure, control valve 8 is opened, slip casting in bag; Slip casting stops, and control valve 8 is closed automatically, and the slurry in slip casting bag can not leak out.
Referring to Fig. 2 a, the hole 31 on slip casting bag 3, inner obstructed with slip casting bag 3, reinforcing body 2 is through hole 31, and can not produce interference in slip casting bag 3, slip casting bag 3 is still a complete closing bag.
Referring to Fig. 2 b, on slip casting bag 3 except the hole 31 be provided with, be also provided with a drilling rod hole 32.In work progress, drilling rod is through drilling rod hole 32, and reinforcing body 2 is through hole 31, and hole 31 and drilling rod hole 32 can not produce interference in slip casting bag 3, and slip casting bag 3 is still a complete closing bag.
Referring to Fig. 2 a, slip casting bag 3 is only provided with drilling rod hole 32, drilling rod hole 32 is inner obstructed with slip casting bag 3, and during construction, reinforcing body 2 is through drilling rod hole 32 together with drilling rod, and drilling rod hole 32 can not produce interference in slip casting bag 3, and slip casting bag 3 is still a complete closing bag.
The external diameter injecting the slip casting bag 3 after cement paste or cement mortar is greater than the external diameter of resistance to plucking structure 5, or is greater than the external diameter of cement soil pile 1 further.The external diameter of slip casting bag can certainly be according to circumstances made to be less than or equal to the external diameter of cement earth pile or the external diameter of resistance to plucking structure 5.
Further, reinforcing body 3 is connected with resistance to plucking structure 5.The end of resistance to plucking structure 5 is hemispherical, and reinforcing body 2 walks around hemispherical resistance to plucking structure 5.Described slip casting bag 3 is close to resistance to plucking structure 5, and the external diameter of slip casting bag 3 is greater than the external diameter of resistance to plucking structure 5.
Resistance to plucking structure 5 is a cage-like structure, and the end of cage-like structure is hemispherical, and reinforcing body 3 walks around resistance to plucking structure 5, forms the callable stiffening pile of reinforcing body.
Embodiment 2:
Referring to Fig. 3, on the basis of embodiment 1, the reinforcing body 2 of described stiffening pile is provided with multiple slip casting bag 3, except slip casting bag bottom, a form anchor 6 is close to by all the other each slip casting bags, forms series connection structure.The uplift resistance of further increase stiffening pile, all the other are with embodiment 1.
Embodiment 3:
Referring to Fig. 4, the reinforcing body 2 of described stiffening pile is provided with a slip casting bag 3, slip casting bag 3 is positioned at reinforcing body bottom, whole stiffening pile does not arrange resistance to plucking structure, after the cement paste in slip casting bag or cement mortar are solidified, namely as resistance to plucking structure, all the other are with embodiment 1.
Embodiment 4:
Referring to Fig. 5, the reinforcing body 2 of described stiffening pile is provided with a slip casting bag 3, a form anchor 6 is close to by this slip casting bag 3.All the other are with embodiment 1.
Embodiment 5:
Referring to Fig. 6, the reinforcing body 2 of described stiffening pile is provided with a slip casting bag 3, a form anchor 6 is close to by this slip casting bag 3.
Described form anchor 6 end is circular arc, and all the other are with embodiment 1.
Embodiment 6:
Referring to Fig. 7, the periphery of resistance to plucking structure 5 is provided with slip casting bag 3, resistance to plucking structure 5 wraps up by slip casting bag 3, and all the other are with embodiment 1.
The stiffening pile with slip casting bag described in the present embodiment, when the slip casting of slip casting bag is expanded, extruding crowd in-out effects is applied to soil-cement body, aqueous slurry or cement mortar in slip casting bag after expansion, after solidifying, increase anchoring body intensity, improve anchoring body rigidity and strengthen local anti-pressure ability, thus increasing frictional resistance and the uplift resistance of stiffening pile, frictional resistance and uplift resistance can improve more than 30%.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and manual just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The scope of patent requirements protection of the present invention is defined by appending claims and equivalent thereof.
Claims (18)
1. the stiffening pile with slip casting bag, stiffening pile for pattern foundation pit supporting structure or slope reinforcement is made up of cement soil pile, reinforcing body, cement earth pile is by stir or churning or mixing jet-grouting are formed, reinforcing body is arranged on cement soil pile inside, and reinforcing body is connected with resistance to plucking structure, it is characterized in that, reinforcing body is provided with at least one slip casting bag, slip casting bag is provided with Grouting Pipe, and slip casting bag is flexible slip casting bag, is marked with cement paste or cement mortar in slip casting bag; Reinforcing body through slip casting bag, described slip casting bag is provided with the hole passed for drilling rod and/or reinforcing body, and hole is obstructed with slip casting bag inside, and hole can not be disturbed producing in slip casting bag, and slip casting bag is still a complete closing bag; Slip casting bag is provided with flexible grout pipe, Grouting Pipe connects slip casting bag and brings in prebored hole with construction, after slip casting, can by Grouting Pipe colligation shutoff, and after slip casting bag solidifies, Grouting Pipe is stayed the inside or is extracted as required.
2. a kind of stiffening pile with slip casting bag according to claim 1, is characterized in that, slip casting bag is that gas permeable material is made.
3. a kind of stiffening pile with slip casting bag according to claim 1, is characterized in that, described slip casting bag is provided with control valve.
4. a kind of stiffening pile with slip casting bag according to claim 1, is characterized in that, the external diameter of slip casting bag is greater than the external diameter of cement earth pile.
5. a kind of stiffening pile with slip casting bag according to claim 1, is characterized in that, the external diameter of slip casting bag is less than or equal to the external diameter of cement earth pile.
6. a kind of stiffening pile with slip casting bag according to claim 1, is characterized in that, described slip casting bag is positioned at before resistance to plucking structure.
7. a kind of stiffening pile with slip casting bag according to claim 1, it is characterized in that, described slip casting bag is positioned at the periphery of resistance to plucking structure.
8. a kind of stiffening pile with slip casting bag according to claim 6, is characterized in that, described slip casting bag and resistance to plucking structure are close to.
9. a kind of stiffening pile with slip casting bag according to claim 6, is characterized in that, the external diameter of slip casting bag is greater than resistance to plucking structure external diameter.
10. a kind of stiffening pile with slip casting bag according to claim 6, is characterized in that, reinforcing body is connected with a resistance to plucking structure and a slip casting bag.
11. a kind of stiffening piles with slip casting bag according to claim 6, is characterized in that, reinforcing body is connected with multiple resistance to plucking structure and multiple slip casting bag.
12. a kind of stiffening piles with slip casting bag according to claim 6, is characterized in that, the end of resistance to plucking structure is hemispherical, and reinforcing body walks around hemispherical resistance to plucking structure.
13. a kind of stiffening piles with slip casting bag according to claim 1, it is characterized in that, reinforcing body is steel strand.
14. a kind of stiffening piles with slip casting bag according to claim 13, it is characterized in that, described steel strand are non-bending steel cable.
15. a kind of stiffening piles with slip casting bag according to claim 13, it is characterized in that, described steel strand are the steel strand of part adhesive.
16. a kind of stiffening piles with slip casting bag according to claim 6, it is characterized in that, resistance to plucking structure is a cage-like structure, and the end of cage-like structure is hemispherical.
17. a kind of stiffening piles with slip casting bag according to claim 6, it is characterized in that, resistance to plucking structure is form anchor.
18. a kind of stiffening piles with slip casting bag according to claim 17, it is characterized in that, described form anchor end is hemispherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310323429.XA CN103397630B (en) | 2013-07-29 | 2013-07-29 | Stiffening pile with grouting bags |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310323429.XA CN103397630B (en) | 2013-07-29 | 2013-07-29 | Stiffening pile with grouting bags |
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| Publication Number | Publication Date |
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| CN103397630A CN103397630A (en) | 2013-11-20 |
| CN103397630B true CN103397630B (en) | 2015-07-22 |
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| CN201310323429.XA Active CN103397630B (en) | 2013-07-29 | 2013-07-29 | Stiffening pile with grouting bags |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108166535A (en) * | 2018-01-02 | 2018-06-15 | 中亿丰建设集团股份有限公司 | A kind of construction method of bellows leak stopping |
| CN117629312B (en) * | 2024-01-26 | 2024-04-02 | 四川川核地质工程有限公司 | Monitoring device and monitoring method for slope collapse |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3099911A (en) * | 1958-10-08 | 1963-08-06 | Lee A Turzillo | Means of grouting or concreting |
| CH519062A (en) * | 1970-01-30 | 1972-02-15 | Stump Bohr Ag | Method for producing an anchorage for components and anchors for carrying out the method |
| JP3023060B2 (en) * | 1994-12-02 | 2000-03-21 | 守谷鋼機株式会社 | Uncurtain-don structure of permanent anchor and method of checking pressurized condition |
| JP3774886B2 (en) * | 2000-10-19 | 2006-05-17 | 株式会社ジオフロント | Anchor construction method |
| JP4696556B2 (en) * | 2005-01-04 | 2011-06-08 | 株式会社大林組 | Natural ground reinforcement earth construction method and natural ground reinforcement soil structure |
| KR100766450B1 (en) * | 2006-08-10 | 2007-10-17 | (주)신화소일테크 | The anchor construction method in soft ground of gaving used the foundation fixing anchor and this shich consisted of fixing supporter |
| CN101949152B (en) * | 2010-09-28 | 2012-09-05 | 张继红 | Compound anchor rod and construction method thereof |
| JP5812324B2 (en) * | 2011-05-18 | 2015-11-11 | 株式会社大林組 | Filling method of ground reinforcement and grout material |
| CN102561337B (en) * | 2012-02-09 | 2014-05-21 | 上海强劲地基工程股份有限公司 | Sand-filling stiffening pile |
| CN203361141U (en) * | 2013-07-29 | 2013-12-25 | 上海强劲地基工程股份有限公司 | Reinforced pile with grouting bag |
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2013
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