CN103437346B - Steel pipe pile with the burr and construction method - Google Patents
Steel pipe pile with the burr and construction method Download PDFInfo
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- CN103437346B CN103437346B CN201310307502.4A CN201310307502A CN103437346B CN 103437346 B CN103437346 B CN 103437346B CN 201310307502 A CN201310307502 A CN 201310307502A CN 103437346 B CN103437346 B CN 103437346B
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Abstract
The present invention relates to concrete friction stake, disclose a kind of steel pipe pile with the burr and construction method, comprise steel pipe and be arranged on the concrete pile outside steel pipe, the outer wall of described concrete pile arranges the burr.Technique forms the burr after comprising the concrete setting of high pressure pouring.The present invention arranges the burr by the concrete pile outer wall at steel pipe, add concrete pile and contact area greatly, arrange to steel pipe pile extension on steel pipe pile simultaneously, insert the branch pile in the earth, increase friction pile entirety and the contact area of the earth, improve the frictional force of friction pile, again, by adding of the burr and branch pile, the compactness of soil around pile body is improved further, thus further increases overall friction.On the other hand, when there is the problems such as sinking when friction pile, by entering in stake, can carry out beating through hole, carrying out secondary and arranging that the mode such as branch pile, the burr carries out secondary maintenance and reinforcing to pile body.
Description
Technical field
The present invention relates to concrete friction stake, particularly relate to a kind of steel pipe pile with the burr and construction method.
Background technology
Friction pile leans on the frictional force of pile body surface and original place matter soil to bear the weight of superstructure, the pile center position of existing friction pile is concrete, because it does not contact with the earth, does not therefore have due effect, add the weight of friction pile on the contrary, counteract the frictional force of a part.In addition, the outer wall due to friction pile is circular, and it is little with the contact area of the earth, and frictional force is also little.
Summary of the invention
The present invention is directed to friction pile of the prior art is solid pile, Heavy Weight, friction pile outer wall is little with the contact area of the earth, frictional force is little, the shortcomings such as friction pile easily sinks, provide a kind of mode of the hollow friction pile outer setting burr, increase friction pile and the contact area of the earth, improve steel pipe pile and the construction method of the band burr of the frictional force of friction pile.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals: comprise steel pipe and be arranged on the concrete pile outside steel pipe, the outer wall of described concrete pile arranges the burr.
As preferably, the described burr is the concrete block be connected as a single entity with concrete pile.
As preferably, perforate arranged by described steel pipe, concrete pile is provided with the concrete services aperture communicated with the perforate of steel pipe, is provided with branch pile in concrete services aperture.
As preferably, described branch pile is inserted greatly through steel pipe and concrete pile.
As preferably, the angle a of described branch pile and the outer wall of concrete pile is less than or equal to 90 °.
As preferably, described steel pipe is the waveform steel pipe that corrugated sheet steel surrounds.
As preferably, described branch pile is steel pipe, steel column or stub.
With the steel pipe pile construction method of the burr, comprise steel pipe pile and the construction method of the described band burr, comprise the following steps:
A, reinforcing cage and waveform hollow steel pipe are put into the stake holes of accomplishing fluently simultaneously; Or first put reinforcing cage and put waveform hollow steel pipe again;
B, between waveform hollow steel pipe and stake holes concreting, generate concrete pile;
C, after concrete pile solidifies, pump the water in steel pipe, and beat through hole in steel pipe, through hole is communicated with steel pipe and the earth;
D, by through hole high pressure pouring concrete;
The burr is formed after the concrete setting of e, high pressure pouring.
As preferably, in described step c, squeeze into branch pile by through hole, until branch pile is inserted in the earth.
Hollow friction pile decreases concrete amount, reduces cost.Its concrete weight reduced, is the value added of hollow friction pile carrying.The burr and branch pile make the soil compactness around stake improve further, and friction factor is improved.And the burr and branch pile not only add friction area, the burr and branch pile self directly bear shearing force, opposing upper load.
The present invention arranges the burr by the concrete pile outer wall at steel pipe, add concrete pile and contact area greatly, arrange to steel pipe pile extension on steel pipe pile simultaneously, insert the branch pile in the earth, increase the contact area of friction pile entirety and the earth, improve the frictional force of friction pile, on the other hand, when there is the problems such as sinking when friction pile, can by entering in stake, carry out beating through hole, carry out secondary and arrange that the mode such as branch pile, the burr carries out secondary maintenance and reinforcing to pile body.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the structural representation of the embodiment of the present invention 2.
Fig. 3 is the structural representation of the embodiment of the present invention 3.
Fig. 4 is the top view of the embodiment of the present invention 2.
Wherein 1-steel pipe, 2-concrete pile, 3-branch pile, 4-lower manhole, 5-greatly, 6-burr, 11-perforate, 21-concrete services aperture.
Detailed description of the invention
Below in conjunction with accompanying drawing 1 to accompanying drawing 4 and detailed description of the invention, the present invention is described in further detail:
Embodiment 1
With the steel pipe pile of the burr, as shown in Figure 1, comprise steel pipe 1 and be arranged on the concrete pile 2 outside steel pipe 1, the outer wall of described concrete pile 2 arranges the burr 6.
The burr 6 is the concrete block be connected as a single entity with concrete pile 2.Steel pipe 1 is arranged perforate 11, concrete pile 2 is provided with the concrete services aperture 21 communicated with the perforate 11 of steel pipe 1, is provided with branch pile 3 in concrete services aperture 21.
Branch pile 3 is inserted in the earth 5 through steel pipe 1 and concrete pile 2.
Branch pile 3 equals 90 ° with the angle a of the outer wall of concrete pile 2.The waveform steel pipe that steel pipe 1 surrounds for corrugated sheet steel.Branch pile 3 is steel pipe.
With the steel pipe pile construction method of the burr, comprise steel pipe pile and the construction method of the described band burr, comprise the following steps:
A, reinforcing cage and waveform hollow steel pipe 1 are put into the stake holes of accomplishing fluently simultaneously;
B, between waveform hollow steel pipe 1 and stake holes concreting, generate concrete pile 2;
C, after concrete pile 2 solidifies substantially, pump the water in steel pipe 1, and beat through hole in steel pipe 1, through hole is communicated with steel pipe 1 and the earth 5;
D, by through hole high pressure pouring concrete;
The burr 6 is formed after the concrete setting of e, high pressure pouring.
In step c, squeeze into branch pile 3 by through hole, until branch pile 3 is inserted in the earth 5.By adding of the burr and branch pile, the compactness of soil around pile body is improved further, thus further increases overall friction.
Embodiment 2
With the steel pipe pile of the burr, as shown in Figure 2,4, comprise steel pipe 1 and be arranged on the concrete pile 2 outside steel pipe 1, the outer wall of described concrete pile 2 arranges the burr 6.
Branch pile 3 equals 70 ° with the angle a of the outer wall of concrete pile 2.The top of the steel pipe pile with the burr is also provided with lower manhole 4.The waveform steel pipe that steel pipe 1 surrounds for corrugated sheet steel.The longitudinal cross-section of waveform steel pipe is linear pattern.Branch pile 3 stub.
With the steel pipe pile construction method of the burr, comprise steel pipe pile and the construction method of the described band burr, comprise the following steps:
A, first put reinforcing cage and put waveform hollow steel pipe 1 again;
B, between waveform hollow steel pipe 1 and stake holes concreting, generate concrete pile 2;
C, after concrete pile 2 solidifies substantially, pump the water in steel pipe 1, and beat through hole in steel pipe 1, through hole is communicated with steel pipe 1 and the earth 5;
D, by through hole high pressure pouring concrete;
The burr 6 is formed after the concrete setting of e, high pressure pouring.
In step c, squeeze into branch pile 3 by through hole, until branch pile 3 is inserted in the earth 5.
Embodiment 3
With the steel pipe pile of the burr, as shown in Figure 3, comprise steel pipe 1 and be arranged on the concrete pile 2 outside steel pipe 1, the outer wall of described concrete pile 2 arranges the burr 6.
The burr 6 is the concrete block be connected as a single entity with concrete pile 2.Steel pipe 1 is arranged perforate 11, concrete pile 2 is provided with the concrete services aperture 21 communicated with the perforate 11 of steel pipe 1, is provided with branch pile 3 in concrete services aperture 21.
Branch pile 3 is inserted in the earth 5 through steel pipe 1 and concrete pile 2.
Branch pile 3 equals 60 ° with the angle a of the outer wall of concrete pile 2.The waveform steel pipe that steel pipe 1 surrounds for corrugated sheet steel.
The top of the steel pipe pile with the burr is also provided with lower manhole 4.The waveform steel pipe that steel pipe 1 surrounds for corrugated sheet steel.The longitudinal cross-section of waveform steel pipe is waveform, and waveform steel pipe is hollow, is formed by corrugated sheet steel bending, and its longitudinal cross-section shape is also identical with the cross section of existing multiple waveforms steel plate, and waveform hollow steel pipe also can be shaping by formed by integrally casting.
Arrange the burr 6 outside concrete services aperture 21, the burr 6 is concrete.Branch pile 3 is steel column.
With the steel pipe pile construction method of the burr, comprise steel pipe pile and the construction method of the described band burr, comprise the following steps:
A, first put reinforcing cage and put waveform hollow steel pipe 1 again;
B, between waveform hollow steel pipe 1 and stake holes concreting, generate concrete pile 2;
C, after concrete pile 2 solidifies substantially, pump the water in steel pipe 1, and beat through hole in steel pipe 1, through hole is communicated with steel pipe 1 and the earth 5;
D, by through hole high pressure pouring concrete;
The burr 6 is formed after the concrete setting of e, high pressure pouring.
In step c, squeeze into branch pile 3 by through hole, until branch pile 3 is inserted in the earth 5.
In described step c, form the burr 6 by through hole high pressure pouring concrete.By arranging the burr, increasing the outer wall of concrete pile 2 and the contact area of the earth, improve the frictional force of friction pile entirety.
Branch pile 3 is inserted by the perforate 11 on steel pipe 1, enter in soil through the concrete services aperture 21 on concrete pile 2, because concrete services aperture 21 is for tiltedly to establish, therefore, after branch pile 3 is inserted, the upper end of branch pile 3 namely with concrete pile 2 link from earth's surface close together, the lower end of branch pile 3 is namely distant from earth's surface with soil contact jaw.When friction pile occurs, when the hard object existed is as stone or rock, friction pile can be blocked firmly in the earth of the branch pile 3 of tiltedly establishing near running into, stop friction pile to continue to sink.
Meanwhile, after concrete pile 2 solidifies, pump the water in waveform hollow steel pipe 1, and beat through hole in waveform hollow steel pipe 1, through hole is communicated with waveform hollow steel pipe 1 and the earth; The burr 6 is formed by through hole high pressure pouring concrete.
In a word, the foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (7)
1. be with the steel pipe pile of the burr, comprise steel pipe (1) and be arranged on steel pipe (1) concrete pile outward (2), it is characterized in that: the outer wall of described concrete pile (2) arranges the burr (6); Perforate (11) arranged by described steel pipe (1), concrete pile (2) is provided with the concrete services aperture (21) communicated with the perforate of steel pipe (1) (11), is provided with branch pile (3) in concrete services aperture (21); The waveform steel pipe that described steel pipe (1) surrounds for corrugated sheet steel.
2. the steel pipe pile of the band burr according to claim 1, is characterized in that: the described burr (6) is the concrete block be connected as a single entity with concrete pile (2).
3. the steel pipe pile of the band burr according to claim 2, is characterized in that: described branch pile (3) is inserted in the earth (5) through steel pipe (1) and concrete pile (2).
4. the steel pipe pile of the band burr according to claim 2, is characterized in that: described branch pile (3) is less than or equal to 90 ° with the angle a of the outer wall of concrete pile (2).
5. the steel pipe pile of the band burr according to claim 2, is characterized in that: described branch pile (3) is steel pipe, steel column or stub.
6. be with the steel pipe pile construction method of the burr, comprise the steel pipe pile of the band burr according to claim 1, it is characterized in that: comprise the following steps:
A, reinforcing cage and waveform hollow steel pipe are put into the stake holes of accomplishing fluently simultaneously; Or first put reinforcing cage and put waveform hollow steel pipe again;
B, between waveform hollow steel pipe and stake holes concreting, generate concrete pile (2);
C, after concrete pile (2) solidifies, pump the water in steel pipe (1), and beat through hole in steel pipe (1), through hole is communicated with steel pipe (1) and the earth (5);
D, by through hole high pressure pouring concrete;
The burr (6) is formed after the concrete setting of e, high pressure pouring.
7. the steel pipe pile construction method of the band burr according to claim 6, is characterized in that: squeeze into branch pile (3) by through hole, until branch pile (3) is inserted in the earth (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310307502.4A CN103437346B (en) | 2013-07-18 | 2013-07-18 | Steel pipe pile with the burr and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310307502.4A CN103437346B (en) | 2013-07-18 | 2013-07-18 | Steel pipe pile with the burr and construction method |
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| CN103437346A CN103437346A (en) | 2013-12-11 |
| CN103437346B true CN103437346B (en) | 2016-01-20 |
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| CN201310307502.4A Active CN103437346B (en) | 2013-07-18 | 2013-07-18 | Steel pipe pile with the burr and construction method |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105544513A (en) * | 2015-11-24 | 2016-05-04 | 江苏省电力公司连云港供电公司 | Steel pipe grouting pile |
| CN106351209A (en) * | 2016-09-21 | 2017-01-25 | 成都启立辰智科技有限公司 | Concrete pile |
| CN106836260B (en) * | 2016-12-16 | 2018-09-11 | 兰州理工大学 | A kind of crawler belt steel-pipe pile and construction method reducing negative friction |
| CN107059843B (en) * | 2017-02-24 | 2018-09-14 | 湖北思泽新能源科技有限公司 | A kind of inflation prestressed steel pipe and construction method |
| CN106894411B (en) * | 2017-02-25 | 2018-09-14 | 湖北思泽新能源科技有限公司 | A kind of hydraulic pressure prestressed steel pipe |
| CN106906840A (en) * | 2017-03-31 | 2017-06-30 | 华电重工股份有限公司 | The method of offshore wind farm rock-socketed steel pipe piles and the outer grouting construction of stake |
| CN107938659A (en) * | 2017-11-21 | 2018-04-20 | 中国冶集团有限公司 | A kind of friction pile and its construction method |
| CN113152418B (en) * | 2021-03-10 | 2022-07-12 | 中电建路桥集团有限公司 | Preloading tubular pile composite foundation suitable for deep soft soil area |
| CN113089627B (en) * | 2021-03-10 | 2022-09-20 | 中电建路桥集团有限公司 | Construction method of prestressed pipe pile composite foundation for deep soft soil surcharge preloading |
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| CN103437346A (en) | 2013-12-11 |
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Owner name: ZHEJIANG CTB CORRUGATED STEEL WEB CO., LTD. Free format text: FORMER OWNER: HANGZHOU BOSHU CIVIL ENGINEERING TECHNOLOGY CO., LTD. Effective date: 20141124 |
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Free format text: CORRECT: ADDRESS; FROM: 311215 HANGZHOU, ZHEJIANG PROVINCE TO: 314422 HANGZHOU, ZHEJIANG PROVINCE |
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Effective date of registration: 20141124 Address after: 314422, No. 168-2, village, town, Hangzhou, Xiaoshan District, Zhejiang Applicant after: Zhejiang CTB Corrugated Steel Web Co., Ltd. Address before: Hangzhou City, Zhejiang province 311215 Xiaoshan economic and Technological Development Zone, North Building 2 room 1711 Ning'an Applicant before: Hangzhou Boshu Civil Engineering Technology Co., Ltd. |
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