CN102660945A - Spiral steel strip and cement diameter-increasing pipe pile and construction method thereof - Google Patents
Spiral steel strip and cement diameter-increasing pipe pile and construction method thereof Download PDFInfo
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- CN102660945A CN102660945A CN2012101745243A CN201210174524A CN102660945A CN 102660945 A CN102660945 A CN 102660945A CN 2012101745243 A CN2012101745243 A CN 2012101745243A CN 201210174524 A CN201210174524 A CN 201210174524A CN 102660945 A CN102660945 A CN 102660945A
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Abstract
The invention relates to a spiral steel strip and cement diameter-increasing pipe pile and a construction method thereof. The pipe pile comprises a prestress pipe pile and a pile pressing and grouting bucket, a spiral steel strip is welded on the outer wall of the prestress pipe pile, the prestress pipe pile is pressed into soil from a port in the middle of the pile pressing and grouting bucket, cement paste or fine aggregate concrete is arranged in the pile pressing and grouting bucket and accordingly can be pressed into the soil by the spiral steel strip in the process of pressing the prestress pipe pile into the soil, and a steel-cement protection layer wrapping the periphery of the prestress pipe pile is formed. The steel-cement protection layer has the effect of enlarging the pipe pile, the pipe pile has a high horizontal shear resistance and vertical carrying capacity, and the accident of pile fracture caused by mechanical equipment can be effectively avoided during piling and soil excavation.
Description
Technical field
The present invention relates to a kind of spirality steel band-cement and increase footpath pile tube and job practices thereof.
Background technology
Advantages such as prestressed reinforcement strong concrete pile tube has the prefabricated production of batch production, and quality control is reliable, and site operation is simple, civilized, and the duration is short, and recruitment is few, and cost is low.But when being applied to this prestressed reinforcement strong concrete pile tube in the soft subgrade soil earth, because the effect of top pile driving equipment and the influence of soil excavation can produce the horizontal shear active force to the pile tube of being driven underground, the quality accident of pile tube fracture takes place easily.
Summary of the invention
The object of the present invention is to provide a kind of spirality steel band-cement to increase footpath pile tube and job practices thereof; This pile tube has stronger anti-horizontal shear ability and vertical bearing capacity; Can effectively avoid when piling work and soil excavation operation, an accident that ruptures that is caused by plant equipment takes place.
Technical program of the present invention lies in: a kind of spirality steel band-cement increases the footpath pile tube; Comprise pile for prestressed pipe and piling slip casting bucket; Be welded with the spirality steel band on the outer wall of said pile for prestressed pipe; Port is pressed into the soil body said pile for prestressed pipe from piling slip casting bucket middle part, and in the piling slip casting bucket cement paste or pea gravel concreten is arranged, in order to being pressed at pile for prestressed pipe in the process of the soil body; Through the spirality steel band cement paste or pea gravel concreten are brought in the soil body together, formed and be coated on the peripheral steel-cement topping of pile for prestressed pipe.
In one embodiment, described piling slip casting bucket is provided with vibrating device.
In one embodiment, described spirality steel band is spirality shaped steel, spirality angle steel or spirality steel pipe.
Another technical scheme of the present invention is: a kind of spirality steel band-cement increases the job practices of footpath pile tube, carries out according to the following steps:
(1) by the width and the pitch of designing requirement, steel are made into the spirality steel band, described steel are shaped steel, angle steel or steel pipe;
(2) spirality steel band cover is received on the pile for prestressed pipe periphery wall, and it is welded on the reservation solder joint on the pile for prestressed pipe periphery wall;
(3) piling slip casting bucket is set earlier on the soil body that will drive piles, and in piling slip casting bucket, pours into cement paste or pea gravel concreten, open and be arranged on the vibrating device on the piling slip casting bucket;
(4) adopt piling equipment that the outlet of pile for prestressed pipe from piling slip casting bucket lower end is pressed into the soil body, simultaneously constantly supplementing water mud or pea gravel concreten in the piling slip casting bucket;
(5) etc. after pile for prestressed pipe is pressed in the soil body fully, remove piling slip casting bucket.
The invention has the advantages that: this steel-cement topping has the effect that enlarges pile tube; This pile tube has stronger anti-horizontal shear ability and vertical bearing capacity; Can effectively avoid when piling work and soil excavation operation, an accident that ruptures that is caused by plant equipment takes place.Construction technology of the present invention is close with former piling technology; Forming process at steel-cement topping can not increase too much pile driving pressure, adopts common pile driving equipment just can realize; And few to ambient influnence, have applicable to top in the pile for prestressed pipe design of weak soil layer.
Description of drawings
Fig. 1 is the work progress sketch map that the spirality steel band-cement among the embodiment increases the footpath pile tube.
Among the figure: 1-pile for prestressed pipe, 2-piling slip casting bucket, 3-spirality steel band, 4-steel-cement topping, 5-vibrating device, 6-soil body, 7-reservation solder joint.
The specific embodiment
For letting the above-mentioned feature and advantage of the present invention can be more obviously understandable, hereinafter is special lifts embodiment, and conjunction with figs., elaborates as follows.
Spirality steel band-cement of the present invention increases the footpath pile tube; Comprise pile for prestressed pipe 1 and piling slip casting bucket 2; Be welded with spirality steel band 3 on the outer wall of said pile for prestressed pipe 1; Said pile for prestressed pipe 1 is pressed into the soil body 6 from piling slip casting bucket 2 middle part ports, and in the piling slip casting bucket cement paste or pea gravel concreten is arranged, in order to being pressed at pile for prestressed pipe in the process of the soil body; Through the spirality steel band cement paste or pea gravel concreten are brought in the soil body 6 together, be attached to outer cement paste of pile for prestressed pipe or pea gravel concreten and the soil body and form the steel-cement topping 4 that is coated on the pile for prestressed pipe periphery.
In one embodiment, described piling slip casting bucket is provided with vibrating device 5.
In one embodiment, described spirality steel band 3 is spirality shaped steel, spirality angle steel or spirality steel pipe.
Spirality steel band-cement of the present invention increases the job practices of footpath pile tube, carries out according to the following steps:
(1) by the width and the pitch of designing requirement, steel are made into the spirality steel band, described steel are shaped steel, angle steel or steel pipe;
(2) spirality steel band cover is received on pile for prestressed pipe 1 periphery wall, and it is welded on the reservation solder joint 7 on the pile for prestressed pipe periphery wall;
(3) piling slip casting bucket 2 is set earlier on the soil body that will drive piles 6, and in piling slip casting bucket, pours into cement paste or pea gravel concreten, open and be arranged on the vibrating device 5 on the piling slip casting bucket;
(4) adopt piling equipment that the outlet of pile for prestressed pipe from piling slip casting bucket lower end is pressed into the soil body, simultaneously constantly supplementing water mud or pea gravel concreten in the piling slip casting bucket;
(5) etc. after pile for prestressed pipe is pressed in the soil body fully, remove piling slip casting bucket.
The above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (5)
1. a spirality steel band-cement increases the footpath pile tube; It is characterized in that: comprise pile for prestressed pipe and piling slip casting bucket; Be welded with the spirality steel band on the outer wall of said pile for prestressed pipe; Port is pressed into the soil body said pile for prestressed pipe from piling slip casting bucket middle part, and in the piling slip casting bucket cement paste or pea gravel concreten is arranged, in order to being pressed at pile for prestressed pipe in the process of the soil body; Through the spirality steel band cement paste or pea gravel concreten are brought in the soil body together, formed and be coated on the peripheral steel-cement topping of pile for prestressed pipe.
2. spirality steel band-cement according to claim 1 increases the footpath pile tube, and it is characterized in that: described piling slip casting bucket is provided with vibrating device.
3. spirality steel band-cement according to claim 1 increases the footpath pile tube, and it is characterized in that: described spirality steel band is spirality shaped steel, spirality angle steel or spirality steel pipe.
4. a spirality steel band-cement increases the directly job practices of pile tube, it is characterized in that, carries out according to the following steps:
(1) by the width and the pitch of designing requirement, steel is made into the spirality steel band;
(2) spirality steel band cover is received on the pile for prestressed pipe periphery wall, and it is welded on the reservation solder joint on the pile for prestressed pipe periphery wall;
(3) piling slip casting bucket is set earlier on the soil body that will drive piles, and in piling slip casting bucket, pours into cement paste or pea gravel concreten, open and be arranged on the vibrating device on the piling slip casting bucket;
(4) adopt piling equipment that the outlet of pile for prestressed pipe from piling slip casting bucket lower end is pressed into the soil body, simultaneously constantly supplementing water mud or pea gravel concreten in the piling slip casting bucket;
(5) etc. after pile for prestressed pipe is pressed in the soil body fully, remove piling slip casting bucket.
5. spirality steel band-cement according to claim 4 increases the job practices of footpath pile tube, and it is characterized in that: described steel are shaped steel, angle steel or steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210174524.3A CN102660945B (en) | 2012-05-31 | 2012-05-31 | Spiral steel strip and cement diameter-increasing pipe pile and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210174524.3A CN102660945B (en) | 2012-05-31 | 2012-05-31 | Spiral steel strip and cement diameter-increasing pipe pile and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102660945A true CN102660945A (en) | 2012-09-12 |
| CN102660945B CN102660945B (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210174524.3A Expired - Fee Related CN102660945B (en) | 2012-05-31 | 2012-05-31 | Spiral steel strip and cement diameter-increasing pipe pile and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067245A (en) * | 2019-03-22 | 2019-07-30 | 西南交通大学 | It is a kind of can expanding reinforcing spiral self-drilling type piling bar and its method of construction |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002054135A (en) * | 2000-08-07 | 2002-02-20 | Asahi Kasei Corp | Composite structure |
| CN1414186A (en) * | 2002-05-10 | 2003-04-30 | 贾燎 | Sleeve pile and designing method |
| JP2004027610A (en) * | 2002-06-25 | 2004-01-29 | Asahi Kasei Construction Materials Co Ltd | Burying method for prefabricated pile |
| JP2006022623A (en) * | 2004-07-09 | 2006-01-26 | Kubota Corp | Soil cement composite pile and its construction method |
| CN101182716A (en) * | 2007-12-05 | 2008-05-21 | 中北大学 | Pile sinking method of Synchronization grouting static pressure precast pile |
| CN202157321U (en) * | 2011-06-27 | 2012-03-07 | 中交物产集团有限公司 | Screwing-in type large bearing steel pipe pile |
| CN202559342U (en) * | 2012-05-31 | 2012-11-28 | 福州市第三建筑工程公司 | Spiral steel strip-cement diameter increasing pipe pile |
-
2012
- 2012-05-31 CN CN201210174524.3A patent/CN102660945B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002054135A (en) * | 2000-08-07 | 2002-02-20 | Asahi Kasei Corp | Composite structure |
| CN1414186A (en) * | 2002-05-10 | 2003-04-30 | 贾燎 | Sleeve pile and designing method |
| JP2004027610A (en) * | 2002-06-25 | 2004-01-29 | Asahi Kasei Construction Materials Co Ltd | Burying method for prefabricated pile |
| JP2006022623A (en) * | 2004-07-09 | 2006-01-26 | Kubota Corp | Soil cement composite pile and its construction method |
| CN101182716A (en) * | 2007-12-05 | 2008-05-21 | 中北大学 | Pile sinking method of Synchronization grouting static pressure precast pile |
| CN202157321U (en) * | 2011-06-27 | 2012-03-07 | 中交物产集团有限公司 | Screwing-in type large bearing steel pipe pile |
| CN202559342U (en) * | 2012-05-31 | 2012-11-28 | 福州市第三建筑工程公司 | Spiral steel strip-cement diameter increasing pipe pile |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067245A (en) * | 2019-03-22 | 2019-07-30 | 西南交通大学 | It is a kind of can expanding reinforcing spiral self-drilling type piling bar and its method of construction |
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| CN102660945B (en) | 2014-09-10 |
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Granted publication date: 20140910 Termination date: 20210531 |