CN102677667A - Concrete variable-section pipe pile - Google Patents
Concrete variable-section pipe pile Download PDFInfo
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- CN102677667A CN102677667A CN201210138841XA CN201210138841A CN102677667A CN 102677667 A CN102677667 A CN 102677667A CN 201210138841X A CN201210138841X A CN 201210138841XA CN 201210138841 A CN201210138841 A CN 201210138841A CN 102677667 A CN102677667 A CN 102677667A
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Abstract
The invention relates to a concrete variable-section pipe pile, which is characterized in that the concrete variable-section pipe pile comprises at least two concrete pipes with different diameters and annular transitional steel plates, the diameter of the first concrete pipe is the smallest, the diameter of the middle concrete pipes is gradually increased and the diameter of the last concrete pipe is the largest; connecting pieces are arranged on the concrete pipes; and every two adjacent concrete pipes with different diameters are fixedly and integrally connected through the connecting pieces and the annular transitional steel plates. The concrete variable-section pipe pile has the advantages that the structure is simple, the pipe pile is convenient to connect and easy to manufacture, and the cost is low; since the diameter of the pipe pile is gradually increased, the harmony between the structural strength change and the axial force change of a pile body is good, not only can the construction difficulty in driving a pile tip into a bearing stratum be reduced, but also the bearing capacity of the bearing stratum can be fully utilized, the proportion of pile tip resistance in bearing force is improved and the influence of pile sinking on surrounding environments is reduced; and the length of the pile can be reduced by effectively using the bearing capacity of a shallow soil layer and the cost of pile foundation engineering is reduced.
Description
Technical field
The present invention relates to a kind of pipe pile foundation of civil engineering industry, be specifically related to a kind of concrete variable cross-section pile tube.
Background technology
In the civil engineering construction of China, the equal diameter prestressed concrete pipe pile is used more and more widely in Foundation Design, and this equal diameter tube pile structure is simple, easy to manufacture.But this traditional equal diameter prestressed concrete pipe pile exists the shallow soil bearing capacity to utilize; Require the difficulty of construction of the degree of depth big to diameter than regulation in the stake end entering bearing stratum of Big Pipe Pile, the bearing capacity of bearing stratum can not be given full play to, and pile structural strength and pile body axle power Changing Pattern are inharmonious.More than bearing stratum, exist intensity preferably in the stratified foundation, it is long that the supporting capacity that this uniform section prestressed concrete pipe pile can't make full use of shallow soil reduces stake; And stake footpath is big more, and in pile driving process, it is also big to produce the side direction soil compaction effect, the surrounding enviroment influence is aggravated along with the increase in stake footpath, when serious even cause engineering accident.
Summary of the invention
The objective of the invention is to overcome the shortcoming of above-mentioned technology, provide a kind of easy to manufacture, expense is low, pile structural strength changes the good concrete variable cross-section pile tube of harmony with axle power.
Concrete variable cross-section pile tube of the present invention is characterized in that: described concrete variable cross-section pile tube is made up of concrete pipe, the annular transition steel plate of two joint different-diameters at least; The diameter of concrete pipe increases successively, and the diameter of first segment concrete pipe is minimum, and the diameter of final section concrete pipe is maximum; The concrete pipe two ends are provided with connector; Adjacent two joint concrete pipe are solidly connected by connector and annular transition steel plate and are integral.
In order better to realize above-mentioned purpose:
The thickness of described annular transition steel plate is 10 millimeters～40 millimeters; The external diameter of annular transition steel plate is identical with the external diameter of concrete pipe (1) on it, and internal diameter is identical with the internal diameter of concrete pipe (1) under being positioned at it.
Described connector is the stirrup of band shape base plate, and the stirrup height is 30 millimeters～50 millimeters, is processed by 3 millimeters～10 millimeters sheet material.
Concrete variable cross-section pile tube of the present invention, simple in structure, easy to connect, easy to manufacture, expense is low; The pile tube diameter becomes big gradually by little, pile structural strength changes that to change harmony good with pile body axle power, can reduce the difficulty of construction that the stake end gets into bearing stratum, can make full use of the supporting capacity of bearing stratum again, has improved end resistance shared ratio in bearing capacity; In pile driving process, the pile tube diameter changes from small to big and sinks to gradually in the soil, has effectively reduced the influence of pile sinking to surrounding enviroment; And it is long effectively to utilize the shallow soil supporting capacity to shorten stake, reduces the cost of pile foundation engineering.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Fig. 3 is the embodiments of the invention sketch map.
Among the figure: 1, concrete pipe, 2, connector, 3, annular transition steel plate, 4, the stake point, 5, ground surface.
The specific embodiment
Concrete variable cross-section pile tube of the present invention, by three the joint different-diameters concrete pipe 1 and two annular transition steel plate 3 connect and compose.The diameter of concrete pipe 1 increases successively, and the diameter of first segment concrete pipe 1 is minimum, and the diameter of the 3rd joint concrete pipe 1 is maximum; Concrete pipe 1 two ends are provided with connector 2; First segment concrete pipe 1, the second joint concrete pipe 1 and the 3rd joint concrete pipe 1 are integrally welded through connector 2 and annular transition steel plate 3 successively.
The thickness of annular transition steel plate 3 is 20 millimeters, and the external diameter of annular transition steel plate is identical with the external diameter of on it concrete pipe (1), and internal diameter is identical with the internal diameter of concrete pipe (1) under being positioned at it.
Construction sequence places predetermined of ground surface 5 to locate concrete pile point 4, and first segment concrete pipe 1 is enclosed within on the concrete pile point 4, adopts static pressure or hammering mode that first segment concrete pipe 1 is sunk in the soil, when reaching the requirement of adapter constructing operation, and the time-out immersed tube; Annular transition steel plate 3 is placed on the connector 2 of first segment concrete pipe 1 integrally welded; Connector 2 with the second joint concrete pipe 1 aligns integrally welded with annular transition steel plate 3 again; The second joint concrete pipe 1 is linked into an integrated entity through annular transition steel plate 3 with first segment concrete pipe 1, continue immersed tube, when the second joint concrete pipe 1 sinks in the soil with the same manner; Reach when taking over the constructing operation requirement, suspend immersed tube; Use the same method again; The 3rd joint concrete pipe 1 and the second joint concrete pipe 1 is integrally welded; Continue immersed tube, when immersed tube reaches desired depth and construction requirement, stop immersed tube; The 3rd joint concrete pipe 1 unnecessary part is excised, and the immersed tube operation of a concrete variable cross-section pile tube pile foundation is accomplished.Repeat above-mentioned steps and accomplish next pile base construction operation.
Claims (3)
1. concrete variable cross-section pile tube is characterized in that: described concrete variable cross-section pile tube is made up of concrete pipe (1), the annular transition steel plate (3) of two joint different-diameters at least; The diameter of concrete pipe (1) increases successively, and the diameter of first segment concrete pipe (1) is minimum, and the diameter of final section concrete pipe (1) is maximum; Concrete pipe (1) two ends are provided with connector (2); Adjacent two joint concrete pipe (1) are solidly connected by connector (2) and annular transition steel plate (3) and are integral.
2. concrete variable cross-section pile tube according to claim 1 is characterized in that: the thickness of described annular transition steel plate (3) is 10 millimeters～40 millimeters; The external diameter of annular transition steel plate is identical with the external diameter of concrete pipe (1) on it, and internal diameter is identical with the internal diameter of concrete pipe (1) under being positioned at it.
3. concrete variable cross-section pile tube according to claim 1 is characterized in that: described connector (2) is the stirrup of band shape base plate, and the stirrup height is 30 millimeters～50 millimeters, is processed by 3 millimeters～10 millimeters sheet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210138841XA CN102677667A (en) | 2012-05-07 | 2012-05-07 | Concrete variable-section pipe pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210138841XA CN102677667A (en) | 2012-05-07 | 2012-05-07 | Concrete variable-section pipe pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102677667A true CN102677667A (en) | 2012-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210138841XA Pending CN102677667A (en) | 2012-05-07 | 2012-05-07 | Concrete variable-section pipe pile |
Country Status (1)
| Country | Link |
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| CN (1) | CN102677667A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089949A (en) * | 2015-09-15 | 2015-11-25 | 中国电建集团昆明勘测设计研究院有限公司 | Inflatable transportation water pressure pile fixed offshore wind power tower foundation |
| CN105133600A (en) * | 2015-09-21 | 2015-12-09 | 周兆弟 | Compressive pile |
| CN109385993A (en) * | 2018-12-20 | 2019-02-26 | 上海勘察设计研究院(集团)有限公司 | It is a kind of for controlling the Variable Section Steel tubular pole and its construction method of pile foundation settlement |
| CN115262535A (en) * | 2022-01-21 | 2022-11-01 | 郑州航空工业管理学院 | Variable-cross-section soil-squeezing precast tubular pile and construction process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009144424A (en) * | 2007-12-14 | 2009-07-02 | Hirose & Co Ltd | Structure of bearing pile |
| CN201649077U (en) * | 2010-04-15 | 2010-11-24 | 中国水电顾问集团华东勘测设计研究院 | Variable-pile-diameter single pile foundation |
| CN202144590U (en) * | 2011-07-12 | 2012-02-15 | 中国建筑西南勘察设计研究院有限公司 | Variable-cross section tubular pile connector |
| CN202170506U (en) * | 2011-07-28 | 2012-03-21 | 李晓岑 | Variable cross section high strength concrete tubular pile |
| CN202559341U (en) * | 2012-05-07 | 2012-11-28 | 刘杰 | Concrete variable section pile |
-
2012
- 2012-05-07 CN CN201210138841XA patent/CN102677667A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009144424A (en) * | 2007-12-14 | 2009-07-02 | Hirose & Co Ltd | Structure of bearing pile |
| CN201649077U (en) * | 2010-04-15 | 2010-11-24 | 中国水电顾问集团华东勘测设计研究院 | Variable-pile-diameter single pile foundation |
| CN202144590U (en) * | 2011-07-12 | 2012-02-15 | 中国建筑西南勘察设计研究院有限公司 | Variable-cross section tubular pile connector |
| CN202170506U (en) * | 2011-07-28 | 2012-03-21 | 李晓岑 | Variable cross section high strength concrete tubular pile |
| CN202559341U (en) * | 2012-05-07 | 2012-11-28 | 刘杰 | Concrete variable section pile |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089949A (en) * | 2015-09-15 | 2015-11-25 | 中国电建集团昆明勘测设计研究院有限公司 | Inflatable transportation water pressure pile fixed offshore wind power tower foundation |
| CN105089949B (en) * | 2015-09-15 | 2018-03-20 | 中国电建集团昆明勘测设计研究院有限公司 | Inflatable transportation water pressure pile fixed offshore wind power tower foundation |
| CN105133600A (en) * | 2015-09-21 | 2015-12-09 | 周兆弟 | Compressive pile |
| CN109385993A (en) * | 2018-12-20 | 2019-02-26 | 上海勘察设计研究院(集团)有限公司 | It is a kind of for controlling the Variable Section Steel tubular pole and its construction method of pile foundation settlement |
| CN115262535A (en) * | 2022-01-21 | 2022-11-01 | 郑州航空工业管理学院 | Variable-cross-section soil-squeezing precast tubular pile and construction process |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Jie Inventor after: Tang Xiya Inventor after: He Jie Inventor after: Yang Qingguang Inventor before: Liu Jie Inventor before: He Jie Inventor before: Yang Qingguang |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LIU JIE HE JIE YANG QINGGUANG TO: LIU JIE TANG XIYA HE JIE YANG QINGGUANG |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120919 |