CN1039502C - Reinforced concrete pile and its construction method - Google Patents
Reinforced concrete pile and its construction method Download PDFInfo
- Publication number
- CN1039502C CN1039502C CN92113272A CN92113272A CN1039502C CN 1039502 C CN1039502 C CN 1039502C CN 92113272 A CN92113272 A CN 92113272A CN 92113272 A CN92113272 A CN 92113272A CN 1039502 C CN1039502 C CN 1039502C
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- Prior art keywords
- pile
- reinforced concrete
- coupling
- cylinder
- shape
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to a spin pile made of reinforced concrete, which is divided into the upper and the lower parts. The upper part is in a cylinder shape, the lower part is about 1 to 3 meters, the surface layer of the cylinder is manufactured into a shallow helical tooth shape, the flushing liquid sprays out through a rubber pipe, a passage and a nozzle under the rotation of a rotary disk of a drill by the self weight or the defined pressure and the pressure of a liquid pump; under the action that the spin pile rotates and is flushed, washed, cut, and is stirred, the spin pile is drilled to designed depth of a stratum, and the great vibration sound of a hammering pile or an impact-driven pile and the adverse effects of the surrounding buildings can be avoided. The present invention improves the engineering quality and the work efficiency, and has the advantage of low cost.
Description
The present invention relates to stake and job practices thereof used in a kind of builing industry, especially adopt the job practices of slope protection pile and foundation pile.
Present known job practices is to adopt the method for paddle type mill or impact type piling, vibrations are big, to around building harmful effect is arranged and civic noise jamming etc. is all brought a lot of inconvenience, after also having the stake hole to accomplish fluently, will do reinforcing cage on the spot, lifting is the hole down, dashes and fills out concrete, the cost height, the time is long.The U.S. also has a kind of pile in addition, (patent No. is US3,842,608 see Appendix) it is to be made of two metal tubes (outer tube and interior pipe), making on whole outer tube top layer on the tube wall of helical form (metal) outer tube and interior pipe has several through holes, as the come out duct of mud of compression, can influence the stake position in case certain duct is blocked around the basis unstable, and this stake cost height, bad popularization.
The objective of the invention is to make a kind of not big bang, and low-cost stake with and job practices.
The object of the present invention is achieved like this: the stake that will originally make at the scene, change into the preformed pile of in factory, producing, can improve the quality of stake greatly, but also saving material, save on-the-spot placing of material ground, save construction area, save reinforcing cage processing and take up an area of, reduction of erection time, enhance productivity greatly.
The present invention is also available present existing machinery equipment except that using special-purpose rotation type rig, comprise rotary drilling machine, long-spiral drilling machine here, need only suitably make a little modifications, just can satisfy the requirement of existing technology.
The present invention is the pile that adopts steel concrete to make, under the rotating disk rotation of rig drives, with own wt or to certain pressure, utilize the pressure of liquid pump again, passing through sebific duct, passage, nozzle towards Xian's liquid, eject, wash away while rotating, get into the design level bit depth under the effect of cutting and stirring at pile.
Reinforced concrete pile of the present invention leaves passage in pile body, there is the device that connects with the sebific duct fluid pump its upper end, and its lower end is provided with nozzle arrangements, it is characterized in that:
1) material of pile is made by steel concrete;
2) pile is divided into two parts up and down, and its top is bar shape, and its underpart is about 1 to 3 meter long, makes shallow spiral dentation (shown in Figure 1) on its cylinder top layer;
3) top, upper end of pile also is provided with and the joining structure of coupling, and its lower end is taper;
4) pile is shaped as the cylinder bodily form (Fig. 3 a), hexahedro column shape (Fig. 3 b), three-flute cylinder shape (Fig. 3 c) and four groove cylinder shapes (Fig. 3 d);
5) the made shallow helical form of lower post body surface layer of this reinforced concrete pile is square waveform (Fig. 4 e), groove shape (Fig. 4 f), waveform (Fig. 4 g), ramp waveform (Fig. 4 h).
The job practices of reinforced concrete pile of the present invention the steps include:
1) on the brill dish of rig, the through hole coupling mean supporting with pile is installed earlier; Use that long screw auger is confidential joins a special-purpose coupling, use rotary disk driller will join conduit and lead;
2) prefabricated pile is sling with coupling unit head and pile are linked up (Fig. 5, i) or put into guide pipe and lead, and the align piles position (Fig. 5, j);
3) connect the sebific duct and the liquid pump of coupling upper end;
4) start the liquid pump, start rig, pile just washes away while rotate under the usefulness of cutting and stirring, creep into the design level bit depth (Fig. 5, k)
5) unload coupling, sebific duct and liquid pump be connected on pile the upper end (Fig. 5, l);
6) if slope protection pile after the projected depth of driving piles, should be aimed at position, slope direction to the one side of many reinforcing bars in the pile, to increase pile body lateral pressure resistant power and shearing resistance;
7) behind the pile location, can be pumped into some by liquid and be added with the cement grout that solidifies early strength admixture strengthening the adhesion of stake and soil layer, and the lower end bearing capacity (Fig. 5, m).
Be described further below in conjunction with drawings and Examples:
Fig. 1 is the structural representation of reinforced concrete pile;
Fig. 2 is the vertical view of reinforced concrete pile;
Fig. 3 is the sectional view of 4 kinds of reinforced concrete piles;
Wherein a is the cylinder bodily form, and b is a hexahedro column shape, and c is a three-flute cylinder shape, and d is four groove cylinder shapes.
Fig. 4 is a pile bottom helical tooth oscillogram, and wherein e is a square waveform, and f is the tooth waveform, and g is a waveform, and h is a ramp waveform.
Fig. 5 is the construction sequence figure of reinforced concrete pile.
Among the figure: (1) reinforcing bar, (2) passage, (3) helical tooth, (4) nozzle, (5) drill bit, (6) blind hole, (7) sebific duct, (8) coupling, (9) pile, (10) rotating disk.
Present embodiment is the reinforced concrete pile (Fig. 1) that adopts hexahedro column shape, and its diameter is 600mm, and spiral groove shape (Fig. 4 of 2 meters long is made in the bottom of stake, f) Zhuan lower end is taper, get into smooth, vibrate lessly, more successfully pierce the stratum projected depth and reach 14 meters.
Claims (4)
1, the reinforced concrete pile of using in a kind of building operations leaves passage in pile body, and there is the device that connects with the sebific duct fluid pump its upper end, and its lower end is provided with nozzle arrangements, it is characterized in that:
1) material of pile is made by steel concrete;
2) pile is divided into two parts up and down, and its top is bar shape, and its underpart is about 1 to 3 meter long, makes shallow spiral dentation on its cylinder top layer;
3) top, upper end of pile also is provided with and the joining structure of coupling, and its lower end is taper.
2, the reinforced concrete pile of using in the building operations according to claim 1, what it is characterized in that it is shaped as the cylinder bodily form, hexahedro column shape, three-flute cylinder shape and four groove cylinder shapes.
3, according to the reinforced concrete pile of using in claim 1, the 2 described building operations, it is characterized in that the made shallow helical form of lower post body surface layer of described pile, be square waveform, groove shape, waveform, ramp waveform.
4, the job practices of the reinforced concrete pile that uses in a kind of architecture construction the steps include:
1) on the brill dish of rig, the through hole coupling mean supporting with pile is installed earlier; Use that long screw auger is confidential joins a special-purpose coupling, use rotary disk driller will join conduit and lead;
2) prefabricated pile is sling with coupling unit head and pile are linked up or put into guide pipe and lead, and the align piles position;
3) connect the sebific duct and the liquid pump of coupling upper end;
4) start the liquid pump, start rig, pile creeps into the design level bit depth with regard under the effect of washing away cutting while rotating and stirring;
5) unload coupling, sebific duct and liquid pump are connected on the upper end of pile;
6) behind the pile location, can be pumped into some by liquid and be added with the cement grout that solidifies early strength admixture strengthening the adhesion of stake and soil layer, and the bearing capacity of lower end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN92113272A CN1039502C (en) | 1992-12-04 | 1992-12-04 | Reinforced concrete pile and its construction method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN92113272A CN1039502C (en) | 1992-12-04 | 1992-12-04 | Reinforced concrete pile and its construction method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1074002A CN1074002A (en) | 1993-07-07 |
CN1039502C true CN1039502C (en) | 1998-08-12 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN92113272A Expired - Fee Related CN1039502C (en) | 1992-12-04 | 1992-12-04 | Reinforced concrete pile and its construction method |
Country Status (1)
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CN (1) | CN1039502C (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101560768B (en) * | 2009-05-20 | 2011-06-08 | 毕建东 | Overall process construction method for hammering pile, special device therefor and application thereof |
CN101984191B (en) * | 2010-11-05 | 2012-01-04 | 湖南长大建设集团股份有限公司 | High pressure jet grouting pile driving machine |
CN102619225A (en) * | 2012-04-01 | 2012-08-01 | 赵立华 | Embedding construction method of screw pile |
CN103195055A (en) * | 2013-04-03 | 2013-07-10 | 天津大学 | Prefabricated helical pile head for assisting prestressed high-strength concrete (PHC) pipe pile in pile sinking and construction method |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3842608A (en) * | 1972-11-28 | 1974-10-22 | L Turzillo | Method and means for installing load bearing piles in situ |
EP0127221A1 (en) * | 1983-05-03 | 1984-12-05 | Pieter Faber | Concrete foundation pile and device for driving the same into the ground |
SU1337478A1 (en) * | 1985-12-04 | 1987-09-15 | Научно-исследовательский институт оснований и подземных сооружений им.Н.М.Герсеванова | Screw-type support structure |
EP0246589A1 (en) * | 1986-05-21 | 1987-11-25 | Delmag-Maschinenfabrik Reinhold Dornfeld GmbH & Co. | Precast concrete pile and method and apparatus for introducing it into the soil |
-
1992
- 1992-12-04 CN CN92113272A patent/CN1039502C/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3842608A (en) * | 1972-11-28 | 1974-10-22 | L Turzillo | Method and means for installing load bearing piles in situ |
EP0127221A1 (en) * | 1983-05-03 | 1984-12-05 | Pieter Faber | Concrete foundation pile and device for driving the same into the ground |
SU1337478A1 (en) * | 1985-12-04 | 1987-09-15 | Научно-исследовательский институт оснований и подземных сооружений им.Н.М.Герсеванова | Screw-type support structure |
EP0246589A1 (en) * | 1986-05-21 | 1987-11-25 | Delmag-Maschinenfabrik Reinhold Dornfeld GmbH & Co. | Precast concrete pile and method and apparatus for introducing it into the soil |
Also Published As
Publication number | Publication date |
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CN1074002A (en) | 1993-07-07 |
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