CN101333809B - Construction method of rotary type circular cross-section steel tube concrete pile - Google Patents
Construction method of rotary type circular cross-section steel tube concrete pile Download PDFInfo
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- CN101333809B CN101333809B CN200810012491A CN200810012491A CN101333809B CN 101333809 B CN101333809 B CN 101333809B CN 200810012491 A CN200810012491 A CN 200810012491A CN 200810012491 A CN200810012491 A CN 200810012491A CN 101333809 B CN101333809 B CN 101333809B
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- steel pipe
- concrete
- pile
- stake
- steel
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Abstract
Disclosed is a precession-type circular-section steel pipe concrete pile which relates to a pile foundation used for civil construction and comprises a circular-section steel pipe concrete pile, steep pipe external wall thread, a construction loading plate and a pressing-torsion construction device; the external wall of the steel pipe concrete pile is welded with thread; meanwhile, the top part of the pile is applied with axial compressive force and torque to press the pile into the foundation spirally; besides, a hollow interlayer steep pipe concrete pile with a circular steel pipe as the external steel pipe and a circular-section centrifugal steel pipe concrete pile; the steel material can adopt the steel with common strength or the high-strength steel with the yield strength more than 550MPa; the concrete can be the common concrete or the high-strength concrete with the compressive strength 80-120MPa and the self-compacting concrete. The invention discloses a precession-type circular-section steel pipe concrete pile which has the advantages of avoiding the damage on the end part of the pile due to the hammering construction, reducing the noise pollution, avoiding the inadequate dense problem of the backfilling in the digging construction, facilitating the mechanized production and reducing the workload in the construction site.
Description
Technical field
The present invention relates to a kind of building structure and use pile foundation, particularly relate to a kind of the employing and press the rotary type circular cross-section steel tube concrete pile base form of turning round construction.
Background technology
The circular cross-section steel pipe concrete is meant builds the common stressed form of structure of plain concrete and steel pipe and concrete in round steel pipe, the circular cross-section steel pipe concrete of broad sense comprises that also outer steel pipe is the centrifugal concrete filled steel tube of concrete-filled double skin steel tube and circular section of round steel pipe etc.Concrete filled steel tube has wide application space, and one of application is exactly as pile foundation.
Summary of the invention
The object of the present invention is to provide a kind of rotary type circular cross-section steel tube concrete pile, it applies axial pressure and moment of torsion with stake precession ground simultaneously at steel tube concrete pile outer wall welding screw thread at the top.The present invention has provided a kind of rotary type circular cross-section steel tube concrete pile.
The objective of the invention is to realize through following technical scheme:
Rotary type circular cross-section steel tube concrete pile, said stake comprise that circular cross-section steel pipe concrete, outer wall of steel pipe screw thread, construction load plate and pressure turn round construction equipment.
Rotary type circular cross-section steel tube concrete pile, except traditional circular cross-section steel pipe concrete, can also adopt outer steel pipe is the concrete-filled double skin steel tube and the circular section centrifuge concrete filled steel tubular of round steel pipe; Its steel can adopt regular tenacity steel or the yield strength high-strength steel more than 550MPa; Its concrete can be ordinary concrete or compressive strength high-strength concrete and the self-compacting concrete at 80-120MPa.
Screw type steel tube concrete pile as previously discussed, its preparation and construction comprise following step and process conditions:
The first step: at the required steel pipe of factory process, it is conical that its end should be;
Second step: machining screw also is welded in outer wall of steel pipe;
The 3rd step: concreting in steel pipe;
The 4th step: weldable steel cover plate and load plate;
The 5th step: apply axial pressure simultaneously at the scene stake and moment of torsion is constructed.
Advantage of the present invention and effect are:
The present invention avoided the hammering construction to the destruction of stake end, reduced noise pollution; Avoided the closely knit inadequately problem of borehole construction backfill; Avoided the static pressure construction owing to reason such as bad in place needs construction again to be difficult for taking out the drawback of stake, can easily stake have been taken out because oppositely apply moment of torsion.
2. the ground around the stake of the present invention is better to the binding effect of stake, and screw thread can be more frictional force is provided between outer wall of steel pipe and the ground.
3. mechanization production is convenient in the present invention, has reduced the job site workload.
Description of drawings
Accompanying drawing 1 is a rotary type circular cross-section conventional steel concrete pile elevational schematic view;
Accompanying drawing 2 is a rotary type circular cross-section concrete-filled double skin steel tube stake elevational schematic view;
Accompanying drawing 3 is a rotary type circular cross-section centrifuge concrete filled steel tubular stake elevational schematic view;
Accompanying drawing 4 is a rotary type circular cross-section conventional steel concrete pile load plate floor map;
Accompanying drawing 5 is a rotary type circular cross-section concrete-filled double skin steel tube stake load plate floor map;
Accompanying drawing 6 is a rotary type circular cross-section centrifuge concrete filled steel tubular stake load plate floor map;
Accompanying drawing 10 is rotary type circular cross-section conventional steel concrete pile stake point (B-B) schematic cross-section;
Accompanying drawing 11 is rotary type circular cross-section concrete-filled double skin steel tube stake stake point (B-B) schematic cross-section;
Accompanying drawing 12 is rotary type circular cross-section centrifuge concrete filled steel tubular stake stake point (B-B) schematic cross-section.
The specific embodiment
Below in conjunction with screw type traditional round section steel pipe concrete pile,, the present invention is elaborated with reference to accompanying drawing 1,4,7 and 10.
At the required steel pipe 1 of factory process, it is conical that its tip 2 should be, and can thicken this place's steel pipe or use more high-intensity steel; Machining screw 3 also is welded in outer wall of steel pipe, according to actual conditions by tooth form that calculate to confirm screw thread, highly, spacing and angle of inclination etc.; Concreting 4 in steel pipe; After treating that concrete reaches prescribed strength, connect steel deck-plate 6 with weld seam 5; Connect load plate 7; Apply axial pressure simultaneously at the scene stake and moment of torsion is constructed.
For stake of rotary type circular cross-section concrete-filled double skin steel tube or the stake of rotary type circular cross-section centrifuge concrete filled steel tubular, only need to make corresponding concrete filled steel tube according to characteristics separately, other operation is consistent with screw type traditional round section steel pipe concrete pile.8 is the interior steel pipe of rotary type circular cross-section concrete-filled double skin steel tube stake in the accompanying drawing 2,5,8 and 11, and 1-7 is identical with 1-7 implication in accompanying drawing 1,4,7 and 10; 1-7 is identical with 1-7 implication in accompanying drawing 1,4,7 and 10 in the accompanying drawing 3,6,9 and 12.
Step of the present invention and process conditions are:
The first step: at the required steel pipe of factory process, it is conical that its tip should be;
Second step: machining screw also is welded in outer wall of steel pipe;
The 3rd step: concreting in steel pipe;
The 4th step: weldable steel cover plate and load plate;
The 5th step: apply axial pressure simultaneously at the scene stake and moment of torsion is constructed.
The present invention provides a kind of rotary type circular cross-section steel tube concrete pile, and it applies axial pressure and moment of torsion with stake precession ground simultaneously at steel tube concrete pile outer wall welding screw thread at the top.Except adopting traditional circular cross-section steel pipe concrete, can also adopt outer steel pipe is the centrifugal concrete filled steel tube of concrete-filled double skin steel tube and circular section of round steel pipe; Its steel can adopt regular tenacity steel or the yield strength high-strength steel more than 550MPa; Its concrete can be ordinary concrete or compressive strength high-strength concrete and the self-compacting concrete at 80-120MPa.The present invention avoided the hammering construction to the destruction of stake end, reduced noise pollution; Avoided the closely knit inadequately problem of borehole construction backfill; Avoided the static pressure construction owing to reason such as bad in place needs construction again to be difficult for taking out the drawback of stake, can easily stake have been taken out because oppositely apply moment of torsion; Ground around the stake of the present invention is better to the binding effect of stake, screw thread can be provides more frictional force between outer wall of steel pipe and the ground; Mechanization production is convenient in the present invention, has reduced the job site workload.
Claims (1)
1. the job practices of a screw type steel tube concrete pile; It is characterized in that said stake comprises that the circular cross-section steel pipe concrete pile body of produce in factory and job site turn round device, the external cornice screw thread of steel pipe pile with pressure; Stake one end is conical, and the other end is the construction load plate; The job practices of stake comprises following step and process conditions:
The first step: at the required steel pipe of factory process, it is conical that its end should be;
Second step: machining screw also is welded in outer wall of steel pipe;
The 3rd step: concreting in steel pipe;
The 4th step: after treating that concrete reaches prescribed strength, weldable steel cover plate and load plate;
The 5th step: apply axial pressure simultaneously at the scene stake and moment of torsion is constructed; The construction load plate is oppositely applied moment of torsion, can stake be taken out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810012491A CN101333809B (en) | 2008-07-25 | 2008-07-25 | Construction method of rotary type circular cross-section steel tube concrete pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810012491A CN101333809B (en) | 2008-07-25 | 2008-07-25 | Construction method of rotary type circular cross-section steel tube concrete pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101333809A CN101333809A (en) | 2008-12-31 |
| CN101333809B true CN101333809B (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810012491A Expired - Fee Related CN101333809B (en) | 2008-07-25 | 2008-07-25 | Construction method of rotary type circular cross-section steel tube concrete pile |
Country Status (1)
| Country | Link |
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| CN (1) | CN101333809B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211185A (en) * | 2020-09-29 | 2021-01-12 | 王庆利 | Screw-in type circular steel tube concrete pile lengthening structure and construction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1446425A (en) * | 1972-08-04 | 1976-08-18 | Kuei Fan Yu | Structural members |
| CN1563600A (en) * | 2004-03-30 | 2005-01-12 | 顺德市永基建筑基础有限公司 | Pile with enlarged head made from steel tube and manufacturing method |
| CN2672164Y (en) * | 2003-12-25 | 2005-01-19 | 徐国林 | Centrifugal steel pipe concrete pipe pile |
| CN2740699Y (en) * | 2003-09-30 | 2005-11-16 | 韩林海 | Concrete structure with hollow sandwich layer of steel pipe |
| RU2278211C2 (en) * | 2003-09-29 | 2006-06-20 | Саратовский государственный технический университет | Screw pile and pile construction method |
-
2008
- 2008-07-25 CN CN200810012491A patent/CN101333809B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1446425A (en) * | 1972-08-04 | 1976-08-18 | Kuei Fan Yu | Structural members |
| RU2278211C2 (en) * | 2003-09-29 | 2006-06-20 | Саратовский государственный технический университет | Screw pile and pile construction method |
| CN2740699Y (en) * | 2003-09-30 | 2005-11-16 | 韩林海 | Concrete structure with hollow sandwich layer of steel pipe |
| CN2672164Y (en) * | 2003-12-25 | 2005-01-19 | 徐国林 | Centrifugal steel pipe concrete pipe pile |
| CN1563600A (en) * | 2004-03-30 | 2005-01-12 | 顺德市永基建筑基础有限公司 | Pile with enlarged head made from steel tube and manufacturing method |
Non-Patent Citations (1)
| Title |
|---|
| 同上. |
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| CN101333809A (en) | 2008-12-31 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20180725 |
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