CN102733378A - Construction method of concrete pile - Google Patents
Construction method of concrete pile Download PDFInfo
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- CN102733378A CN102733378A CN201210123357XA CN201210123357A CN102733378A CN 102733378 A CN102733378 A CN 102733378A CN 201210123357X A CN201210123357X A CN 201210123357XA CN 201210123357 A CN201210123357 A CN 201210123357A CN 102733378 A CN102733378 A CN 102733378A
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Abstract
The invention aims to provide a construction method a concrete pile. According to the invention, a protection layer is arranged around the pipe body and then a pile body is constructed, so that the corrosion caused by water or slurry is avoided, a soil body around the pile can be reinforced, and the quality and the friction of the pile body can be improved. The construction method comprises the following steps: 1) sinking an outer tube to a design depth; 2) pouring concrete to the top of the pile; 3) lifting out the outer tube; 4) sinking the outer tube again at the position of the concrete pile body; 5) placing an inner tube inside the outer tube, and placing an inner tamping hammer in the inner tube; 6) filling a filling material in the outer tube, and tamping and densely squeezing the inner tube by hitting through the hammer; 7) repeatedly filling and tamping until a requirement of a density is met; 8) filling harsh concrete and densely squeezing for multiple times; 9) constructing the pile body; and 10) lifting out the outer pipe in a vibration manner. When a sand layer exists underground, a hole is formed in spiral hole guiding manner, and then the construction of the pile body is carried out, so that the construction efficiency is improved.
Description
Technical field
The present invention relates to field of civil engineering, particularly relate to the construction technology of stake.
Background technology
The coastal area of China is the zone that comparatively concentrate in flourishing city, the enormous amount of construction work.And there are identical characteristics in the geological conditions major part of coastal area, and promptly phreatic content is than horn of plenty, have or even silt soil strata.This characteristics are handled to foundation and are caused very big difficulty, and as adopting in situ concrete pile, the concrete of pile body receives the erosion of water or mud very easily to produce undergauge or broken pile, has a strong impact on bearing capacity of pile foundation.
Foundation also often runs into the underground geological condition that layer of sand is arranged in handling; All great changes have taken place for the compactness of layer of sand and thickness, in this geological conditions, and pore-forming modes such as vibration sinking tube commonly used at present or the following pipe of hammering; Be difficult to pore-forming to projected depth, cause very big difficulty to construction.
In patent No. ZL98101041.5 patent documentation, a kind of construction technology of concrete pile is disclosed, this stake comprises complex carrier and concrete pile body; The characteristics of this technology are the variation of stake itself not to be studied; But emphasis is compacted to the reinforcing of the maximum optimum of the soil body under the stake end, through forming complex carrier, makes upper load pass through a stake and the following complex carrier of stake; Be delivered on the better bearing stratum, thereby improved the bearing capacity of stake.But this job practices finds that in quality examination the settling amount of stake is excessive sometimes, and complex carrier also reaches the degree of destruction far away, and its reason is that the quality of pile body and stake end joint portion is prone to problem; Particularly in the higher soil layer of mucky soil or water content, construct; Though taked the measure of cylinder-wall protecting, in the process of concrete perfusion and proposition casing, mud or water are prone to get into the joint portion of pile body or pile body and carrier; Produce undergauge or broken pile, influenced pile foundation quality.
Summary of the invention
The present invention proposes in order to solve the above problems; Purpose is to provide a kind of job practices of concrete pile, before carrying out the carrier construction, topping is set around pile body; Carry out the construction of pile body again; Avoided the erosion of water or mud, and the pile body surrounding soil has been carried out reinforcing to a certain degree, improved the pile body friction the joint portion of pile body or pile body and carrier.When running into the geological conditions of layer of sand, at first draw the mode pore-forming in hole simultaneously, after pile body is provided with topping on every side, carry out the construction of pile body then again, improve construction efficiency, increase the supporting capacity of stake with spiral.
To achieve these goals, the job practices of concrete pile of the present invention comprises the steps:
1) place, predetermined stake position in ground is sink to projected depth with outer tube;
2) concrete perfusion to stake top is located in outer tube;
3) before concrete initial set, outer tube is proposed;
4) at the pile body place that concrete forms, the outer tube that will have precast pile tip once more is sink to projected depth;
5) in outer tube, put into pipe, put into hammer ram in the interior pipe, interior pipe is connected through rope with interior hammer ram, the movement of falling object through interior hammer ram hits outer tube 10～50cm with interior pipe bottom;
6) promote interior hammer ram and interior the pipe to outer tube feeding port place simultaneously, in outer tube, insert the prose style free from parallelism inserts of some, through the movement of falling object of interior hammer ram, pipe is tamped compacted to prose style free from parallelism inserts in the hammering;
7) carry out above-mentioned filling and compacting operation repeatedly, the outer tube bottom, promptly the certain depth of stake end below and the foundation soil body of scope carry out continuous ground extruding, until the requirement of satisfying compactness to reach design bearing capacity;
8) promote interior hammer ram and interior the pipe to outer tube feeding port place simultaneously, to the harsh concrete of outer tube bottom gradation filling scheduled volume, through the movement of falling object of interior hammer ram, pipe is tamped compacted in the hammering to harsh concrete;
9) propose interior hammer ram and interior pipe simultaneously, in outer tube, place reinforcing cage, concrete perfusion;
10) vibration proposes outer tube.
Best, in the job practices of above-mentioned concrete pile, above-mentioned steps 1) in, have precast pile tip when sinking to outer tube.
Best, in the job practices of above-mentioned concrete pile, above-mentioned steps 2) in, concrete is formed by cement, sand, stone and water mix.
Best, in the job practices of above-mentioned concrete pile, above-mentioned steps 2) in, concrete can substitute with plain concrete or mortar.
Best, in the job practices of above-mentioned concrete pile, above-mentioned steps 4) in, the diameter of precast pile tip should be a bit larger tham the diameter of outer tube, makes concrete can not get into outer tube inside.
Best, in the job practices of above-mentioned concrete pile, above-mentioned steps 5) in; The length of interior pipe is greater than outer length of tube, and the bottom of pipe is sealed in being somebody's turn to do, and the bottom is flat; The inner bottom of interior pipe is filled with the loose material of some, and steel plate is placed in the loose material top, steel plate top placement rubber cushion.
Best, in the job practices of above-mentioned concrete pile, above-mentioned steps 6) in, prose style free from parallelism inserts is meant brickbat or broken watt or rubble or dregs or cobble or slag or cement-soil or dirt or harsh concrete, or the compound of above-mentioned material.
Best, in the job practices of above-mentioned concrete pile, above-mentioned steps 7) in, the requirement of compactness is meant that under situation about not feeding intake, with the empty continuously injection amount of hitting of counting of beating of predetermined energy test inner tamping tube, total injection amount should be less than design load; Like unmet injection amount design load, then proceed the compacted operation of filler, until reaching above-mentioned injection amount design load.
Best, in the job practices of above-mentioned concrete pile, above-mentioned steps 8) in, when the harsh concrete of scheduled volume was filled compacted end, interior pipe bottom and outer tube bottom maintained an equal level.
To achieve these goals, the job practices of concrete pile of the present invention also comprises the steps:
1) the predetermined stake position place in ground, with the mode pore-forming of auger boring to projected depth;
When 2) proposing auger stem, guncreting is to place, stake top in the stake hole;
3) before concrete initial set, at the pile body place that concrete forms, the outer tube that will have precast pile tip is sink to projected depth with the mode of vibrating;
4) in outer tube, put into pipe, put into hammer ram in the interior pipe, interior pipe is connected through rope with interior hammer ram, the movement of falling object through interior hammer ram hits outer tube 10～50cm with interior pipe bottom;
5) promote interior hammer ram and interior the pipe to outer tube feeding port place simultaneously, in outer tube, insert the prose style free from parallelism inserts of some, through the movement of falling object of interior hammer ram, pipe is tamped compacted to prose style free from parallelism inserts in the hammering;
6) carry out above-mentioned filling and compacting operation repeatedly, the outer tube bottom, promptly the certain depth of stake end below and the foundation soil body of scope carry out continuous ground extruding, until the requirement of satisfying compactness to reach design bearing capacity;
7) promote interior hammer ram and interior the pipe to outer tube feeding port place simultaneously, to the harsh concrete of outer tube bottom gradation filling scheduled volume, through the movement of falling object of interior hammer ram, pipe is tamped compacted in the hammering to harsh concrete;
8) propose interior hammer ram and interior pipe simultaneously, in outer tube, place reinforcing cage, concrete perfusion;
9) vibration proposes outer tube.
Best, in the job practices of above-mentioned concrete pile, above-mentioned steps 2) in, concrete is formed by cement, sand, stone and water mix.
Best, in the job practices of above-mentioned concrete pile, above-mentioned steps 2) in, concrete can substitute with plain concrete or mortar.
Best, in the job practices of above-mentioned concrete pile, above-mentioned steps 3) in, the diameter of precast pile tip should be a bit larger tham the diameter of outer tube, makes concrete can not get into outer tube inside.
Best, in the job practices of above-mentioned concrete pile, above-mentioned steps 4) in; The length of interior pipe is greater than outer length of tube, and the bottom of pipe is sealed in being somebody's turn to do, and the bottom is flat; The inner bottom of interior pipe is filled with the loose material of some, and steel plate is placed in the loose material top, steel plate top placement rubber cushion.
Best, in the job practices of above-mentioned concrete pile, above-mentioned steps 5) in, prose style free from parallelism inserts is meant brickbat or broken watt or rubble or dregs or cobble or slag or cement-soil or dirt or harsh concrete, or the compound of above-mentioned material.
Best, in the job practices of above-mentioned concrete pile, above-mentioned steps 6) in, the requirement of compactness is meant that under situation about not feeding intake, with the empty continuously injection amount of hitting of counting of beating of predetermined energy test inner tamping tube, total injection amount should be less than design load; Like unmet injection amount design load, then proceed the compacted operation of filler, until reaching above-mentioned injection amount design load.
Best, in the job practices of above-mentioned concrete pile, above-mentioned steps 7) in, when the harsh concrete of scheduled volume was filled compacted end, interior pipe bottom and outer tube bottom maintained an equal level.
The characteristics and the advantage of the concrete pile that forms through above method are:
1. guarantee pile body and stake end joint portion quality.At first behind pore-forming the stake hole in concrete perfusion; Concrete has played the effect of pile body topping; When after this carrying out the pile body construction again and proposing outer tube; Outside pipe is surrounded by plain concrete all the time, has avoided the erosion to the joint portion of pile body or pile body and carrier of water or mud, has effectively improved the quality of pile body with stake end joint portion.
2. improve the pile body friction.Owing to poured into plain concrete in the stake hole behind the pore-forming; When outer tube and interior pipe together when being lowered into, compacted behind the concrete compression, and carry out filler when reinforcing when interior pipe to the pile body surrounding soil; Receive the vibration effect concrete further compacted the pile body surrounding soil; Therefore when enlarging pile body diameter, increase the compactness of pile body surrounding soil, significantly improved the pile body friction.
3. improve work efficiency and bearing capacity.When running into the geological conditions of layer of sand, at first draw the mode pore-forming in hole with spiral, compare with the mode of vibration or hammering; But the satisfactory stake of the formation of simple and fast hole is provided with topping then around pile body, carry out the construction of pile body again; Improve construction efficiency, increase the supporting capacity of stake.
Description of drawings
Fig. 1 is the process chart as the job practices of the concrete pile of one embodiment of the present of invention.
Fig. 2 is the process chart as the job practices of the concrete pile of an alternative embodiment of the invention.
The specific embodiment
As the job practices of the concrete pile of one embodiment of the present of invention, it comprises the steps, at first, shown in Fig. 1 a, the place, predetermined stake position in ground is sink to projected depth with outer tube 1 with the mode of vibration; Then, shown in Fig. 1 b, concrete perfusion to stake top mark eminence in outer tube 1; Then, shown in Fig. 1 c, before concrete initial set, vibration proposes outer tube 1; Then, shown in Fig. 1 d, at the pile body place that has been formed by concrete, the outer tube 1 that will have precast pile tip once more is sink to projected depth; Then, shown in Fig. 1 e, in outer tube 1, put into pipe 3, interior pipe 3 upper ends are provided with fixing ramming and coil 4, put into hammer ram 2 again in the interior pipe 3; Then, shown in Fig. 1 f, the movement of falling object through interior hammer ram 2 hits outer tube 10～50cm with interior pipe 3 bottoms; Then, shown in Fig. 1 g, promote interior hammer ram 2 and inner tamping tube 3 to outer tube 1 feeding port place simultaneously, in outer tube 1, insert the prose style free from parallelism inserts 5 of some, through the movement of falling object of interior hammer ram 2,3 pairs of prose style free from parallelism inserts 5 of pipe are tamped compacted in the hammering; Then, shown in Fig. 1 h, carry out above-mentioned filling and compacting operation repeatedly, outer tube 1 bottom, promptly the certain depth of stake end below and the foundation soil body of scope carry out continuous ground extruding, until the requirement of satisfying compactness to reach design bearing capacity; Then, shown in Fig. 1 i, hammer ram 2 and interior pipe 3 to outer tube 1 feeding port place in promoting simultaneously, to the harsh concrete 6 of outer tube 1 bottom gradation filling scheduled volume, through the movement of falling object of interior hammer ram 2,3 pairs of harsh concretes 6 of pipe are tamped compacted in the hammering; Then, shown in Fig. 1 j, hammer ram 2 and interior pipe 3 in proposing are simultaneously placed reinforcing cage 8, concrete perfusion 7 in outer tube 1; At last, shown in Fig. 1 k, vibration proposes outer tube 1.
As the job practices of the concrete pile of an alternative embodiment of the invention, it comprises the steps that at first, shown in Fig. 2 a, the place, predetermined stake position in ground holes to projected depth with auger stem 9; Then, shown in Fig. 2 b, when proposing auger stem 9, guncreting is to place, stake top in the stake hole; Then, shown in Fig. 2 c, before concrete initial set, at the pile body place that concrete forms, the outer tube 1 that will have precast pile tip is sink to projected depth with the mode of vibrating; Then, shown in Fig. 2 d, in outer tube 1, put into pipe 3, interior pipe 3 upper ends are provided with fixing ramming and coil 4, put into hammer ram 2 again in the interior pipe 3; Then, shown in Fig. 2 e, the movement of falling object through interior hammer ram 2 hits outer tube 10～50cm with interior pipe 3 bottoms; Then, shown in Fig. 2 f, promote interior hammer ram 2 and interior pipe 3 to outer tube 1 feeding port place simultaneously, in outer tube 1, insert the prose style free from parallelism inserts 5 of some, through the movement of falling object of interior hammer ram 2,3 pairs of prose style free from parallelism inserts 5 of pipe are tamped compacted in the hammering; Then, shown in Fig. 2 g, carry out above-mentioned filling and compacting operation repeatedly, outer tube 1 bottom, promptly the certain depth of stake end below and the foundation soil body of scope carry out continuous ground extruding, until the requirement of satisfying compactness to reach design bearing capacity; Then, shown in Fig. 2 h, hammer ram 2 and interior pipe 3 are to outer tube feeding port place in promoting simultaneously, and to the harsh concrete 6 of outer tube bottom gradation filling scheduled volume, through the movement of falling object of interior hammer ram 2,3 pairs of harsh concretes 6 of pipe are tamped compacted in the hammering; Then, shown in Fig. 2 i, hammer ram 2 and interior pipe 3 in proposing are simultaneously placed reinforcing cage 8, concrete perfusion 7 in outer tube 1; At last, shown in Fig. 2 j, vibration proposes outer tube 1.
Claims (17)
1. the job practices of a concrete pile, this method comprises the steps:
1) place, predetermined stake position in ground is sink to projected depth with outer tube;
2) concrete perfusion to stake top is located in outer tube;
3) before concrete initial set, outer tube is proposed;
4) at the pile body place that concrete forms, the outer tube that will have precast pile tip once more is sink to projected depth;
5) in outer tube, put into pipe, put into hammer ram in the interior pipe, interior pipe is connected through rope with interior hammer ram, the movement of falling object through interior hammer ram hits outer tube 10～50cm with interior pipe bottom;
6) promote interior hammer ram and interior the pipe to outer tube feeding port place simultaneously, in outer tube, insert the prose style free from parallelism inserts of some, through the movement of falling object of interior hammer ram, pipe is tamped compacted to prose style free from parallelism inserts in the hammering;
7) carry out above-mentioned filling and compacting operation repeatedly, the outer tube bottom, promptly the certain depth of stake end below and the foundation soil body of scope carry out continuous ground extruding, until the requirement of satisfying compactness to reach design bearing capacity;
8) promote interior hammer ram and interior the pipe to outer tube feeding port place simultaneously, to the harsh concrete of outer tube bottom gradation filling scheduled volume, through the movement of falling object of interior hammer ram, pipe is tamped compacted in the hammering to harsh concrete;
9) propose interior hammer ram and interior pipe simultaneously, in outer tube, place reinforcing cage, concrete perfusion;
10) vibration proposes outer tube.
2. the job practices of concrete pile according to claim 1 is characterized in that above-mentioned steps 1) in, the above-mentioned precast pile tip that has when sinking to outer tube.
3. the job practices of concrete pile according to claim 1 is characterized in that above-mentioned steps 2) in, above-mentioned concrete is formed by cement, sand, stone and water mix.
4. the job practices of concrete pile according to claim 1 is characterized in that above-mentioned steps 2) in, above-mentioned concrete can substitute with plain concrete or mortar.
5. the job practices of concrete pile according to claim 1 is characterized in that above-mentioned steps 4) in, the diameter of above-mentioned precast pile tip should be a bit larger tham the diameter of outer tube, makes concrete can not get into outer tube inside.
6. the job practices of concrete pile according to claim 1; It is characterized in that above-mentioned steps 5) in, the length of above-mentioned interior pipe is greater than outer length of tube, and the bottom of pipe is sealed in being somebody's turn to do; The bottom is flat; The inner bottom of interior pipe is filled with the loose material of some, and steel plate is placed in the loose material top, steel plate top placement rubber cushion.
7. the job practices of concrete pile according to claim 1; It is characterized in that above-mentioned steps 6) in; Above-mentioned prose style free from parallelism inserts is meant brickbat or broken watt or rubble or dregs or cobble or slag or cement-soil or dirt or harsh concrete, or the compound of above-mentioned material.
8. the job practices of concrete pile according to claim 1; It is characterized in that above-mentioned steps 7) in, the requirement of above-mentioned compactness is meant, under situation about not feeding intake; With the empty continuously injection amount of hitting of counting of beating of predetermined energy test inner tamping tube, total injection amount should be less than design load; Like unmet injection amount design load, then proceed the compacted operation of filler, until reaching above-mentioned injection amount design load.
9. job practices according to claim 1 is characterized in that above-mentioned steps 8) in, when the harsh concrete of scheduled volume was filled compacted end, interior pipe bottom and outer tube bottom maintained an equal level.
10. to achieve these goals, the job practices of concrete pile of the present invention also comprises the steps:
1) the predetermined stake position place in ground, with the mode pore-forming of auger boring to projected depth;
When 2) proposing auger stem, guncreting is to place, stake top in the stake hole;
3) before concrete initial set, at the pile body place that concrete forms, the outer tube that will have precast pile tip is sink to projected depth with the mode of vibrating;
4) in outer tube, put into pipe, put into hammer ram in the interior pipe, interior pipe is connected through rope with interior hammer ram, the movement of falling object through interior hammer ram hits outer tube 10～50cm with interior pipe bottom;
5) promote interior hammer ram and interior the pipe to outer tube feeding port place simultaneously, in outer tube, insert the prose style free from parallelism inserts of some, through the movement of falling object of interior hammer ram, pipe is tamped compacted to prose style free from parallelism inserts in the hammering;
6) carry out above-mentioned filling and compacting operation repeatedly, the outer tube bottom, promptly the certain depth of stake end below and the foundation soil body of scope carry out continuous ground extruding, until the requirement of satisfying compactness to reach design bearing capacity;
7) promote interior hammer ram and interior the pipe to outer tube feeding port place simultaneously, to the harsh concrete of outer tube bottom gradation filling scheduled volume, through the movement of falling object of interior hammer ram, pipe is tamped compacted in the hammering to harsh concrete;
8) propose interior hammer ram and interior pipe simultaneously, in outer tube, place reinforcing cage, concrete perfusion;
9) vibration proposes outer tube.
11. the job practices of concrete pile according to claim 10 is characterized in that above-mentioned steps 2) in, above-mentioned concrete is formed by cement, sand, stone and water mix.
12. the job practices of concrete pile according to claim 10 is characterized in that above-mentioned steps 2) in, above-mentioned concrete can substitute with plain concrete or mortar.
13. the job practices of concrete pile according to claim 10 is characterized in that above-mentioned steps 3) in, the diameter of above-mentioned precast pile tip should be a bit larger tham the diameter of outer tube, makes concrete can not get into outer tube inside.
14. the job practices of concrete pile according to claim 10; It is characterized in that above-mentioned steps 4) in, the length of above-mentioned interior pipe is greater than outer length of tube, and the bottom of pipe is sealed in being somebody's turn to do; The bottom is flat; The inner bottom of interior pipe is filled with the loose material of some, and steel plate is placed in the loose material top, steel plate top placement rubber cushion.
15. the job practices of concrete pile according to claim 1; It is characterized in that above-mentioned steps 5) in; Above-mentioned prose style free from parallelism inserts is meant brickbat or broken watt or rubble or dregs or cobble or slag or cement-soil or dirt or harsh concrete, or the compound of above-mentioned material.
16. the job practices of concrete pile according to claim 1; It is characterized in that above-mentioned steps 6) in, the requirement of above-mentioned compactness is meant, under situation about not feeding intake; With the empty continuously injection amount of hitting of counting of beating of predetermined energy test inner tamping tube, total injection amount should be less than design load; Like unmet injection amount design load, then proceed the compacted operation of filler, until reaching above-mentioned injection amount design load.
17. job practices according to claim 1 is characterized in that above-mentioned steps 7) in, when the harsh concrete of scheduled volume was filled compacted end, interior pipe bottom and outer tube bottom maintained an equal level.
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| CN201210123357XA CN102733378B (en) | 2012-04-25 | 2012-04-25 | Construction method of concrete pile |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103911986A (en) * | 2014-03-31 | 2014-07-09 | 福建工程学院 | Method for constructing composite repeatedly driven steel pipe piles |
| CN104295234A (en) * | 2014-09-19 | 2015-01-21 | 刘守进 | Long spiral extrusion bottom ramming pile machine and pile foundation pouring pile forming method |
| CN104895124A (en) * | 2015-05-27 | 2015-09-09 | 王春龙 | Method and device for monitoring finished plates of squeezed and expanded branch and plate cast-in-place pile |
| CN104988913A (en) * | 2015-05-29 | 2015-10-21 | 王继忠 | Construction method for carrier pile of major diameter long pile |
| CN105040692A (en) * | 2015-06-27 | 2015-11-11 | 王继忠 | Construction method of precast concrete pile body carrier pile |
| CN105064332A (en) * | 2015-07-14 | 2015-11-18 | 王继忠 | Construction method for bearing base piles of square pile bodies |
| CN105714773A (en) * | 2016-03-01 | 2016-06-29 | 江苏东合南岩土科技股份有限公司 | Foundation treatment method |
| CN107060648A (en) * | 2017-05-17 | 2017-08-18 | 福建岩土工程勘察研究院 | Soft soil foundation exciting drilling device and its construction method |
| CN109853534A (en) * | 2019-01-02 | 2019-06-07 | 邱晓光 | A kind of strength core pedestal pile constructing process |
| CN112144516A (en) * | 2020-10-16 | 2020-12-29 | 王继忠 | Construction method of concrete pile |
| CN112281841A (en) * | 2020-10-22 | 2021-01-29 | 陈远 | Construction method of assembled deep foundation pile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103911986B (en) * | 2014-03-31 | 2016-01-20 | 福建工程学院 | A kind of construction method combining strike-on steel pipe pile |
| CN103911986A (en) * | 2014-03-31 | 2014-07-09 | 福建工程学院 | Method for constructing composite repeatedly driven steel pipe piles |
| CN104295234A (en) * | 2014-09-19 | 2015-01-21 | 刘守进 | Long spiral extrusion bottom ramming pile machine and pile foundation pouring pile forming method |
| CN104895124A (en) * | 2015-05-27 | 2015-09-09 | 王春龙 | Method and device for monitoring finished plates of squeezed and expanded branch and plate cast-in-place pile |
| CN104895124B (en) * | 2015-05-27 | 2016-09-21 | 王春龙 | The one-tenth dish monitoring method and device of expanding branch grouting pile |
| CN104988913A (en) * | 2015-05-29 | 2015-10-21 | 王继忠 | Construction method for carrier pile of major diameter long pile |
| CN105040692A (en) * | 2015-06-27 | 2015-11-11 | 王继忠 | Construction method of precast concrete pile body carrier pile |
| CN105064332A (en) * | 2015-07-14 | 2015-11-18 | 王继忠 | Construction method for bearing base piles of square pile bodies |
| CN105714773A (en) * | 2016-03-01 | 2016-06-29 | 江苏东合南岩土科技股份有限公司 | Foundation treatment method |
| CN107060648A (en) * | 2017-05-17 | 2017-08-18 | 福建岩土工程勘察研究院 | Soft soil foundation exciting drilling device and its construction method |
| CN109853534A (en) * | 2019-01-02 | 2019-06-07 | 邱晓光 | A kind of strength core pedestal pile constructing process |
| CN112144516A (en) * | 2020-10-16 | 2020-12-29 | 王继忠 | Construction method of concrete pile |
| CN112281841A (en) * | 2020-10-22 | 2021-01-29 | 陈远 | Construction method of assembled deep foundation pile |
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