CN100591854C - Construction method of non-soil squeezing pipe sinking filling pile and device - Google Patents
Construction method of non-soil squeezing pipe sinking filling pile and device Download PDFInfo
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- CN100591854C CN100591854C CN200710013761A CN200710013761A CN100591854C CN 100591854 C CN100591854 C CN 100591854C CN 200710013761 A CN200710013761 A CN 200710013761A CN 200710013761 A CN200710013761 A CN 200710013761A CN 100591854 C CN100591854 C CN 100591854C
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- stake pipe
- pile pipe
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Abstract
The invention discloses a construction method and a device for a non-compression soil sink-tube filling pile whose steps comprise (1) sink-tube and inputting the soil into the pile pipe, (2) drillingout the soil from the pile pipe, (3) repeating operation steps (1) (2) until meeting the design pile pipe depth, (4) extracting the drill rod from the pile pipe, (5) filling concrete into the pile pipe, (6) extracting the pile pipe. The construction device of the invention comprises a long auger stem from and to the pile pipe, a power arrangement, a holder, a pile pipe, wherein the long auger stemcan be sliding installed on the holder, and the power arrangement comprises a power end controlling the long auger stem and a pressing device for pile pipe. The invention has advantages of (1) reliable quality of construction, (2) low fabrication cost and high bearing ability, (3) no vibration and low noise in the construction process, (4) extensive using and application foreground in spreading.
Description
(1) technical field
The present invention relates to the job practices and the device of a kind of job practices and device, particularly a kind of non-soil squeezing pipe sinking filling pile.
(2) background technology
Present disclosed hammer hidden pipe, vibration sinking tube and static pressure, immersed tube all belong to the extrusion soil filling pile category.This soil squeezing pipe sinking filling pile has following defective: when being used for saturated cohesive soil when (comprising liquefying soil), under the effect of immersed tube soil compaction stress, cause stake week soil edge stake pipe protuberance distortion (liquefaction), to adjacent studs generation frictional force upwards.When being in, pile concrete undergauge, pile breaking phenomenon will take place when moulding shape or initial set.When the excess pore water pressure that causes when soil compaction effect dissipates by pile body, also can cause stake to eject water, emit slurry, concrete disintegration reduces intensity.This soil compaction effect that causes by heavy piling pipe, very serious to the harm of tube-sinking cast-in-situ pile, according to incompletely statistics, once there were hundreds of tube-sinking cast-in-situ pile engineerings to incur loss through delay the duration at home because of quality accident takes place, cause heavy economic losses.The common quality defect of undergauge, broken pile, this tube-sinking cast-in-situ pile of emanating has become a big technical barrier that perplexs domestic engineering circle.Tube-sinking cast-in-situ pile is forced to eliminate in domestic many areas, then adopts higher other types or the method for processing foundation of cost.
The long auger pump pressure concrete pile-formation process that adopts on the engineering is a kind of non-extrusion soil filling pile at present.But mould soil layer for liquefying soil and the higher plastic flow of sensitivity, do not manage and protect wall, very easily surrounding soil is caused disturbance during drilling rod rotation casting, pile defectives such as string stake, hole enlargement, undergauge are also arranged owing to there is stake.
(3) summary of the invention
The technical problem to be solved in the present invention is: provide a kind of in the immersed tube process, surrounding soil is not caused the job practices of the non-soil squeezing pipe sinking filling pile of disturbance, and a kind of construction equipment of implementing aforementioned job practices is provided.
In order to solve the problems of the technologies described above:
The job practices of non-soil squeezing pipe sinking filling pile of the present invention comprises the steps: (1) immersed tube, and the soil body is poured in the pipe; (2) with drilling rod the earth boring auger in the stake pipe is gone out; (3) cycling step (1) (2) is to reaching the design immersed tube degree of depth; (4) extract drilling rod in the stake pipe; (5) concrete perfusion in the stake pipe; (6) extract the stake pipe.
In order to improve pile quality, pile pulling Guan Shiyong drilling rod is pushed down the concrete in the stake pipe in the step (6).
The construction equipment of non-soil squeezing pipe sinking filling pile of the present invention comprises the stake pipe, can pass in and out long screw drill rod, power set and the support of a pipe, stake pipe, long screw drill rod can slide up and down and be arranged on the support, and described power set comprise unit head and the stake pipe press-in device of controlling long screw drill rod.
In order to reduce vibration and noise, described support comprises chassis and leading truck, described stake pipe press-in device is a hydraulic jack, have on the leading truck three be arranged above and below can be along the leading truck beam of slippage up and down, unit head and hydraulic jack are arranged on the upper beam, and the long screw drill rod upper end is connected with unit head, and the piston rod head of hydraulic jack is connected with central sill, be provided with pilot pin between upper beam and leading truck, stake pipe upper end is fixed on the underbeam.
For realizing continued operation, described stake pipe press-in device is wire rope device, chain device or rack gear arrangement.
Pull out auger stem and stake pipe for convenience, comprise long screw drill rod lifting tackle group and stake pipe lifting tackle group by elevator control, the fixed pulley of two assembly pulleys is fixed on the leading truck.
Develop end operation in can realizing, described leading truck is provided with block stamp and expands end device.
The invention has the beneficial effects as follows: (1) reliable construction quality: in the immersed tube process, soil is discharged, fundamentally eliminated the soil compaction effect of common tube-sinking cast-in-situ pile, solved common quality defects such as easy generation undergauge, broken pile, segregation by long screw auger.Avoided long auger pump pressure concrete pile-formation process simultaneously, pile defectives such as string stake, hole enlargement, undergauge take place in the easy disturbance soil body in soft layer.(2) cost is low, bearing capacity is high: through measuring and calculating, non-soil squeezing pipe sinking filling pile can reduce cost more than 50% than prestressed pipe (PHC) stake; By expanding basic skill or training's preface, can increase substantially bearing capacity of single pile.(3) adopt static pressure immersed tube, electric drilling machine casting, work progress friction, low noise are a kind of environment-friendly type job practicess, be fit to the reconstruction of the old city town engineering or vibration, noise are had the strict engineering that limits.(4) according to capacity of equipment, the present invention can implement stake footpath 377～800mm, the long 24m of the stake construction with interior tube-sinking cast-in-situ pile.Can substitute holing with slurry wall protection castinplace pile (friction pile) and precast reinforced concrete piles to a great extent.It is applied widely, and very big popularizing application prospect is arranged.
(4) description of drawings
Fig. 1 is the structural representation of the construction equipment of non-soil squeezing pipe sinking filling pile of the present invention;
Among the figure: 1, chassis, 2, stake pipe, 3, leading truck, 4,12, movable pulley, 5, underbeam, 6, central sill, 7, long screw drill rod, 8, put the beams in place, 9, pilot pin, 10, unit head, 11, hydraulic jack, 13,14, fixed pulley.
(5) specific embodiment
The construction equipment of a kind of non-soil squeezing pipe sinking filling pile as shown in Figure 1 comprises stake pipe 2, can pass in and out long screw drill rod 7, chassis 1, leading truck 3 and two hydraulic jacks 11 of pipe 2.Leading truck 3 is fixed on the chassis 1, have on the leading truck 3 three be arranged above and below can be along the beam of leading truck slippage about in the of 3, unit head 10 is arranged on the middle part of 8 end faces of putting the beams in place, long screw drill rod 7 upper ends are connected with unit head 10, long screw drill rod 7 can pass in and out the two ends that stake pipe 2, two hydraulic jacks 11 are separately positioned on 8 end faces of putting the beams in place, and the piston rod head of hydraulic jack 11 is connected with central sill 6, upper beam 8 and 3 of leading trucks are provided with pilot pin 9, and stake pipe 2 upper ends are fixed on the bottom surface of underbeam 5.
Leading truck 3 is provided with by the long screw drill rod lifting tackle group of elevator control and stake pipe lifting tackle group, long screw drill rod lifting tackle group comprises movable pulley 12 and fixed pulley 13, movable pulley 12 is fixed on the unit head 10, fixed pulley 13 is fixed on the top of leading truck 3, stake pipe lifting tackle group comprises movable pulley 4 and fixed pulley 14, movable pulley 4 is fixed on the underbeam 5, and fixed pulley 14 is fixed on the top of leading truck 3.
A kind of job practices of using the non-soil squeezing pipe sinking filling pile of said apparatus, comprise the steps: (1) stake pipe 2 align piles positions, pilot pin 9 will be put the beams in place and 8 will be fixed on the leading truck 3, start unit head 10 power supplys and hydraulic jack 11, press central sill 6 and underbeam 5 downwards and drive stake pipe 2, the soil body is poured in the stake pipe 2, and it is pressed into deep layer and depends on oil cylinder stroke; (2) remove pilot pin 9, hydraulic jack 11 backhauls drive unit head 10 and long screw drill rod 7 creeps into, and the earth boring auger that enters in the stake pipe bottom is gone out; (3) by above-mentioned operation repeatable operation, the through design immersed tube degree of depth.(4) promote Slide Group by putting the beams in place and promote unit head 10, long screw drill rod 7 is pulled out to the top of underbeam 5; (5) in stake pipe 2, put into the reinforcing cage concrete perfusion; (6) long screw drill rod 7 is pressed on the concrete of perfusion during the pile pulling pipe, by underbeam lifting tackle group tube drawing to the ground pile.
The present invention also has following characteristics (1) pile sinking pipe mode, except the hydraulic jack jacked pile In addition, also comprise the modes such as steel wire rope is pressed into, chain is pressed into, tooth bar is pressed into that adopt. When adopting When being pressed into these modes, can realize continuous immersed tube, the while can be implemented the top casting, the bottom is squeezed The construction technology of soil. (2) present invention resides in and establish interior block stamp on the leading truck and expand end device, realize Expand end operation. Simultaneously can implement companding stake (soil compaction type) and the reinforced concrete prefabricated pipe of static pressure Pile construction technology realizes the multi-purpose machine purpose. (3) when the tube drawing resistance is big, can use liquid Compressing cylinder helps and pulls out, and it is bigger to have solved first pull out force, easily can not pull out the accident of pile pipe.
Claims (4)
1. the construction equipment of a non-soil squeezing pipe sinking filling pile, comprise stake pipe (2), can pass in and out the long screw drill rod (7) of stake pipe (2), power set and support, stake pipe (2), long screw drill rod (7) can slide up and down and is arranged on the support, described power set comprise the unit head (10) and the stake pipe press-in device of control long screw drill rod (7), it is characterized in that: described support comprises chassis (1) and leading truck (3), described stake pipe press-in device is hydraulic jack (11), have on the leading truck (3) three be arranged above and below can be along leading truck (3) beam of slippage up and down, unit head (10) and hydraulic jack (11) are arranged on the upper beam (8), long screw drill rod (7) upper end is connected with unit head (10), the piston rod head of hydraulic jack (11) is connected with central sill (6), be provided with pilot pin (9) between upper beam (8) and leading truck (3), stake pipe (2) upper end is fixed on the underbeam (5).
2. construction equipment according to claim 1 is characterized in that: described stake pipe press-in device is wire rope device, chain device or rack gear arrangement.
3. construction equipment according to claim 1 and 2 is characterized in that: comprise long screw drill rod lifting tackle group and stake pipe lifting tackle group by elevator control, the fixed pulley of two assembly pulleys is fixed on the leading truck (3).
4. construction equipment according to claim 3 is characterized in that: described leading truck (3) is provided with block stamp and expands end device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710013761A CN100591854C (en) | 2007-03-07 | 2007-03-07 | Construction method of non-soil squeezing pipe sinking filling pile and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710013761A CN100591854C (en) | 2007-03-07 | 2007-03-07 | Construction method of non-soil squeezing pipe sinking filling pile and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101016744A CN101016744A (en) | 2007-08-15 |
| CN100591854C true CN100591854C (en) | 2010-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710013761A Expired - Fee Related CN100591854C (en) | 2007-03-07 | 2007-03-07 | Construction method of non-soil squeezing pipe sinking filling pile and device |
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| Country | Link |
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| CN (1) | CN100591854C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174168A (en) * | 2011-12-26 | 2013-06-26 | 温州长城基础工程公司 | Cast-in-place H-shaped reinforced concrete and cement soil alternative underground continuous wall and construction method thereof |
| CN105113982B (en) * | 2015-08-17 | 2017-12-05 | 中国建筑股份有限公司 | One kind exempts from resonate full-sleeve long-spiral drilling machine and construction method |
| CN106120782B (en) * | 2016-08-05 | 2018-07-31 | 李健 | Assembled screw rod pile construction method |
| CN108221968B (en) * | 2018-03-21 | 2024-01-12 | 山东科技大学 | Immersed tube filling club-footed pile construction equipment |
-
2007
- 2007-03-07 CN CN200710013761A patent/CN100591854C/en not_active Expired - Fee Related
Non-Patent Citations (4)
| Title |
|---|
| 沉管灌注桩的新发展－非挤土沉管灌注桩. 周广泉.施工技术，第9期. 1996 |
| 沉管灌注桩的新发展－非挤土沉管灌注桩. 周广泉.施工技术，第9期. 1996 * |
| 空气幕、套管内干取土沉管灌注桩的试验研究. 贾强等人.土木工程学报，第28卷第12期. 2005 |
| 空气幕、套管内干取土沉管灌注桩的试验研究. 贾强等人.土木工程学报，第28卷第12期. 2005 * |
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| Publication number | Publication date |
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| CN101016744A (en) | 2007-08-15 |
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Granted publication date: 20100224 Termination date: 20120307 |