CN101368386A - Pile extractor and construction method for pile extraction - Google Patents
Pile extractor and construction method for pile extraction Download PDFInfo
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- CN101368386A CN101368386A CNA2007100261694A CN200710026169A CN101368386A CN 101368386 A CN101368386 A CN 101368386A CN A2007100261694 A CNA2007100261694 A CN A2007100261694A CN 200710026169 A CN200710026169 A CN 200710026169A CN 101368386 A CN101368386 A CN 101368386A
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Abstract
Disclosed is a pile drawer which is composed of five parts, including a high pressure pump system, an air compressor system, a sleeve system, a vibratory sink piling system and a hoist system. A four-way joint(28) is arranged on one side of the water storage tank of the high pressure pump system and each tie-in is connected with a flush pipe; the flush pipes are respectively connected to flush pipes at the top parts of the four protecting jackets on the external wall of the sleeve through hollow bolts. A four-way joint is also arranged on one side of the air compressor and four inflation tubes drawn out are respectively connected with the inflation tubes at the top parts of the four protecting jackets. The bottom of each protecting jacket is provided with a water-gas mixture injector and is welded on the external wall of the sleeve. The top parts of the injectors are connected with the flush pipes and the inflation tubes inside the protecting jackets and each injector is provided with three spouts which align with the three tiny holes on the wall of the sleeve. The injectors eject high-pressure water-gas current to incise the soil around the pile to be pulled out, thus reducing the resistance between the pile to be pulled out and the surrounding soil. The pile drawer cannot break the pile during the drawing process and makes large-scale pile drawing possible.
Description
Technical field
The present invention relates to the building foundation engineering construction machinery---extractor and Construction Technology of Pile Pulling thereof specifically relate to I type extractor and pile-pulling construction method thereof.
Background technology
Along with the high speed development of urban construction, many industry, civil buildings that have stake will be removed, and new building is built in ground on the scene then, and the stake under the original building has at this moment just become the obstacle of construction, must pull out; In addition, in the subway work process, the stake of the regional existing building thing of circuit process also can become the obstacle of construction, must pull out.Therefore, the construction of pulling out of stake gets more and more.
Up to now, also there is a collection of expert to attempt designing both at home and abroad and pulls out the construction machinery of underground existing stake.Directly cable wire is enclosed within by in the pile pulling if any the people, pulls with very heavy then; Also there is the people to use rig behind the soil, cable wire to be enclosed within to be pulled with very heavy in the pile pulling then around by soil digging around the pile pulling or disturbance stake earlier; Also there is the people with pile hammer stake to be driven underground a bit earlier, cable wire is enclosed within pulled with very heavy in the pile pulling then.
But, stake was driven underground after the long period, soil has been subjected to high-intensity extruding around the stake, not only make the native intensity of stake be higher than the intensity of original soil on every side, and soil is connected as a single entity around stake and the stake, and this moment stake and the stake resistance between the soil on every side have not been resistance when designing originally, and it has not only surpassed an own concrete compressive strength, and be far longer than tensile strength of stake itself, so handle is pulled off by pile pulling can cause pulling out with existing construction machinery and job practices thereof the time.Can only pull out several meters shallow stub or paxilla at present, also not have special-purpose extractor equipment at present as for the dark stake of the more piece more than nine meters or nine meters.
The content of invention
The object of the present invention is to provide a kind of special-purpose extractor---the job practices of I type extractor and pile pulling thereof that can pull out underground single-unit stake, guarantee can not pull off by pile pulling.
The objective of the invention is to realize by following technical scheme
Can see the present invention substantially clearly from Fig. 1---the overall picture of I type extractor, I type extractor by high pressure pump system, air compressor system, cannula system, vibrator sunk pile machine system and crane system totally five parts form.
High pressure pump system has: water inlet 1, water tank 2, delivery port 3, water inlet pipe 4, motor 5, high-pressure pump 6, storage tank 7, gas vent 8, sewage draining exit 9, storage tank four-way connection 28;
Wherein water inlet 1 is arranged at water tank 2 tops, the delivery port 3 of bottom is connected with high-pressure pump 6 by water inlet pipe 4, one end of high-pressure pump 6 is connected with motor 5, the other end is connected with storage tank 7, gas vent 8 and sewage draining exit 9 are respectively in the top and the bottom of storage tank 7, and a side of storage tank 7 is equipped with four-way connection 28.
Air compressor system has: an end of air compressor machine 10 is equipped with air compressor machine four-way connection 29.
Cannula system has: protective sleeve 11, qi of chong channel ascending adversely pipe 12, jet water spout 13, sleeve pipe 17, surface holes 23, protection ring 24, the coaxial injection apparatus 25 of gas-vapor mix, the steel plate 27 of putting more energy into; Its middle sleeve 17 is a cylindrical shape, is enclosed within during pile pulling by the outside of pile pulling 26.Arrange four qi of chong channel ascending adversely pipes 12 and four jet water spouts 13 on the sleeve pipe 17 outer circle walls; wherein each is one group with a qi of chong channel ascending adversely pipe 12 and a jet water spout 13; have four groups; on every group qi of chong channel ascending adversely pipe 12 and jet water spout 13, be covered with a protective sleeve 11; protective sleeve 11 is welded in the outside of sleeve pipe 17, and is symmetrically distributed in sleeve pipe 17 outside one-tenth cruciform shape.The qi of chong channel ascending adversely pipe 12 that is positioned at protective sleeve 11 tops is connected with protective sleeve 11 qi of chong channel ascending adversely pipe 12 outward by hollow bolt, and protective sleeve 11 outer qi of chong channel ascending adversely pipes 12 are connected by air compressor machine four-way connection 29 and air compressor machine 10 again.The jet water spout 13 that is positioned at protective sleeve 11 tops is connected by the jet water spout 13 outside hollow bolt and the protective sleeve 11, and protective sleeve 11 outer jet water spouts 13 are connected with storage tank 7 by storage tank four-way connection 28.
Vibrator sunk pile machine system has: vibrating hammer 14, vibrating hammer clamp 15, vertical rod 16, preceding walk pipe 18, after walk pipe 19, control cabinet 20, hoist engine 21, strut 22, chassis 30; Wherein vertical rod 16 bottoms, control cabinet 20, hoist engine 21 bottoms, strut 22 bottoms are fixed on 30 tops, chassis, strut 22 tops are fixed on vertical rod 16 tops, vertical rod 16 tops are then walked around at hoist engine 21 tops, and collude with iron and to hook vibrating hammer 14, preceding walk pipe 18, after walk pipe 19 and then be fixed on 30 bottoms, chassis.
Crane system has: crane 31.
The connected mode of high pressure pump system and cannula system is: storage tank four-way connection 28 has four jet water spout 13 joints; each joint connects a jet water spout 13; be connected with the jet water spout 13 that is positioned at protective sleeve 11 tops by hollow bolt, thereby couple together with jet water spout 13 in the protective sleeve 11.
The connected mode of air compressor system and cannula system is: air compressor machine four-way connection 29 has four qi of chong channel ascending adversely pipe 12 joints; each joint connects a qi of chong channel ascending adversely pipe 12; be connected with the qi of chong channel ascending adversely pipe 12 that is positioned at protective sleeve 11 tops by hollow bolt, thereby couple together with qi of chong channel ascending adversely pipe 12 in the protective sleeve 11.
The connected mode of vibrator sunk pile machine system and cannula system is: the vibrating hammer clamp 15 above the vibrating hammer 14 is clipped on the sleeve pipe 17.
Fig. 2 is the coaxial injection apparatus drawing in side sectional elevation of gas-vapor mix.Protective sleeve 11, qi of chong channel ascending adversely pipe 12, jet water spout 13, sleeve pipe 17, the coaxial injection apparatus 25 of gas-vapor mix are arranged among the figure, by pile pulling 26, spout 32, water under high pressure air-flow 33.
The coaxial injection apparatus 25 of gas-vapor mix is the cuboid of hollow, is close to the bottommost of protective sleeve 11, when three water under high pressure air-flow spouts 32 on coaxial injection apparatus 25 medial surfaces of gas-vapor mix with after three apertures on the sleeve pipe 17 dock, be welded in the outside of sleeve pipe 17.The end face of the coaxial injection apparatus 25 of gas-vapor mix by hollow bolt respectively with protective sleeve 11 in qi of chong channel ascending adversely pipe 12, jet water spout 13 couple together; after high pressure draught, High-Pressure Water enter cuboid, spray three strands of water under high pressure air-flows 33 to sleeve pipe 17 inside by spout 32.Have four coaxial injection apparatus 25 of gas-vapor mix and become cruciform shape to be symmetrically distributed in that sleeve pipe 17 is outside, 33 pairs in 12 strands of water under high pressure air-flows of ejection are played dissection by soil around the pile pulling 26, and the resistance when sinking to sleeve pipe 17, pile pulling is reduced.
Fig. 3 is the sleeve bottom schematic diagram.Protective sleeve 11, qi of chong channel ascending adversely pipe 12, jet water spout 13, sleeve pipe 17, sleeve surface hole 23, protection ring 24, the coaxial injection apparatus 25 of gas-vapor mix, the steel plate 27 of putting more energy into are arranged among the figure.
Fig. 4 is the protection ring schematic diagram.Protection ring 24 is circular, and top is welded on the bottommost of sleeve pipe 17, and couples together with sleeve pipe 17 by the steel plate 27 of putting more energy into, and bottom weldable steel blade circularizes, and makes sleeve pipe 17 can successfully sink to desired depth.
It is as follows to utilize above-mentioned extractor to carry out the step of pile-pulling construction method:
1. broken cushion cap is with being exposed by pile pulling 26 pile crowns that need are pulled out;
2. at the steel casing of being buried underground by the position of pile pulling 26 pile crowns greater than sleeve pipe 17 diameters, and with all backfills of soil, compacting around the casing, I type extractor does not sink when guaranteeing to construct;
3. open control cabinet 20, hang cannula system to by 26 of pile pullings, adjust hoist engine (21) with hoist engine 21, guarantee sleeve pipe 17 center lines with by pile pulling 26 center lines on same straight line;
4. open control cabinet 20, start vibrating hammer 14, the resistance of the exciting force of guaranteeing vibrating hammer 14 during greater than sinking sleeve 17 down sinks sleeve pipe 17;
5. sink down in protection ring 24 bottoms from being begun to open air compressor machine 10 and high-pressure pump 6 at the bottom of 26 of the pile pullings at 1/3 o'clock, high pressure draught and current feed qi of chong channel ascending adversely pipe 12 and the qi of chong channel ascending adversely pipe 13 in four protective sleeves 11, in sleeve pipe 17, spray 12 strands of water under high pressure air-flows 33 by the spout 32 in four coaxial injection apparatus 25 of gas-vapor mix again and carry out sinking sleeve 17 under one side, the operation of spraying water under high pressure air-flow 33 on one side, sink down into by the position at the bottom of 26 of the pile pullings until protection ring 24 bottoms, resistance is bigger during following sinking sleeve 17, can promote sleeve pipe 17,3-4m, descend sinking sleeve 17 again, the resistance that repeats when descending sinking sleeve 17 is very little, also can reduce the resistance when pulling out by pile pulling 26;
6. open control cabinet 20, extract sleeve pipe 17 with hoist engine 21 after, move on another velamen pile pulling 26 pile crowns or the ground;
7. steel wire loop on by the pile crown of pile pulling 26, will be extracted by pile pulling 26 with crane 31;
8. with the stake hole that sand fills up, compacting stays after being extracted by pile pulling 26, in case landslide.
Adopt extractor of the present invention and extractor job practices to reduce by the resistance between the soil around pile pulling and the stake, handle is not pulled off by pile pulling in the time of not only can not having caused pulling out, and makes extensive pile pulling become possibility.
Description of drawings
Fig. 1 is the structural representation of I type extractor.
Fig. 2 is the coaxial injection apparatus drawing in side sectional elevation of gas-vapor mix.
Fig. 3 is the sleeve bottom schematic diagram.
Fig. 4 is the protection ring schematic diagram.
Reference numeral: 1-water inlet; 2-water tank; 3-delivery port; 4-water inlet pipe; 5-motor; 6-high-pressure pump; 7-storage tank; 8-gas vent; 9-sewage draining exit; 10-air compressor machine; 11-protective sleeve; 12-qi of chong channel ascending adversely pipe; 13-jet water spout; 14-vibrating hammer; 15-vibrating hammer clamp; 16-vertical rod; 17-sleeve pipe; 18-preceding the pipe of walking; 19-after walk pipe; 20-control cabinet; 21-hoist engine; 22-strut; 23-surface holes; 24-protection ring; The coaxial injection apparatus of 25-gas-vapor mix; 26-by pile pulling; 27-the steel plate of putting more energy into; 28-storage tank four-way connection 28; 29-air compressor machine four-way connection 29; 30-chassis 30; 31-crane; 32-spout; 33-water under high pressure air-flow.
The specific embodiment
As being the square pile tube of length of side 25cm by pile pulling 26, the long 9m of stake, then the specific embodiment is as follows:
Embodiment 1---I type extractor
1. be connected into greater than by the sleeve pipe 17 of pile pulling 26 length with the helix tube of wall thickness 10mm, it is surface holes 23, three joint sleeve pipes 17 joint areas of the 7cm steel plates 27 of putting more energy into of burn-oning that sleeve surface is cut several length of sides, and sleeve pipe 17 diameters surpass by pile pulling 26 catercorner length 15cm;
2. sleeve pipe 17 outside arrange by rubber make, four qi of chong channel ascending adversely pipes 12 and four jet water spouts 13 of diameter 5cm, wall thickness 5mm, wherein each is one group with a qi of chong channel ascending adversely pipe 12 and a jet water spout 13, be symmetrically distributed in sleeve pipe 17 outside one-tenth cruciform shape coated with 11, four protective sleeves 11 of channel-section steel protective sleeve outside;
Four qi of chong channel ascending adversely pipes 12 at four protective sleeve 11 tops are connected with jet water spout 13 with four qi of chong channel ascending adversely pipes 12 of outside respectively by hollow bolt with jet water spout 13, are connected with the storage tank 7 of OGFD22 air compressor machine 10,100TSWA high-pressure pump 6 respectively by air compressor machine four-way connection 29, storage tank four-way connection 28 then;
3. be close to the bottommost of protective sleeve 11, four the coaxial injection apparatus 25 of gas-vapor mix of burn-oning in sleeve pipe 17 outsides, the coaxial injection apparatus 25 of gas-vapor mix is that the cuboid of hollow---the steel plate of long 10cm, wide 8cm, high 5cm, thickness 2mm is welded into, its end face by hollow bolt respectively with protective sleeve 11 in qi of chong channel ascending adversely pipe 12, jet water spout 13 couple together, the water under high pressure air-flow spout 32 that three diameters on coaxial injection apparatus 25 medial surfaces of gas-vapor mix are 1cm then with sleeve pipe 17 on diameter be that three apertures of 1cm connect;
4. couple together with sleeve pipe 17 at the bottommost of the sleeve pipe 17 circular protection ring 24 that steel with 40# forge of burn-oning, and by the steel plate 27 of putting more energy into, the lower end of protection ring 24 is the triangle steel blade and circularizes.
5. vertical rod 16 bottoms in the vibrator sunk pile machine system, control cabinet 20, hoist engine 21 bottoms, strut 22 bottoms are by being bolted to 30 tops, chassis, strut 22 tops also by being bolted to vertical rod 16 tops, vertical rod 16 tops are then walked around at hoist engine 21 tops, and collude with iron and to hook vibrating hammer 14, below the vibrating hammer 14 be vibrating hammer clamp 15, preceding walk pipe 18, after walk to manage 19 by being bolted to the bottom on chassis 30.
6. high pressure pump system, water tank 2 tops wherein have water inlet 1, bottom that delivery port 3 is arranged, be connected with high-pressure pump 6 by inlet tube 4, one end of high-pressure pump 6 is connected with motor 5, the other end is connected with storage tank 7, and the top of storage tank 7 has gas vent 8, bottom to have sewage draining exit 9, side that storage tank four-way connection 28 is housed.
The crane 31 of crane system is 50 tons.
The connected mode of high pressure pump system and cannula system is: storage tank four-way connection 28 has four jet water spout 13 joints; each joint connects a jet water spout 13; be connected with four jet water spouts 13 at four protective sleeve 11 tops respectively by hollow bolt, thereby couple together with jet water spout 13 in the protective sleeve 11.
The connected mode of air compressor system and cannula system is: air compressor machine four-way connection 29 has four qi of chong channel ascending adversely pipe 12 joints; each joint connects a qi of chong channel ascending adversely pipe 12; be connected with four qi of chong channel ascending adversely pipes 12 at four protective sleeve 11 tops respectively by hollow bolt, thereby couple together with qi of chong channel ascending adversely pipe 12 in the protective sleeve 11.
The connected mode of vibrator sunk pile machine system and cannula system is: the vibrating hammer clamp 15 below the vibrating hammer 14 is clipped on the sleeve pipe 17.
1. broken cushion cap is with being exposed by pile pulling 26 pile crowns that need are pulled out;
2. buried underground greater than sleeve pipe 17 by the position of 26 of pile pullings, the steel casing of 40cm diameter, and with all backfills of soil, compacting around the steel casing, I type extractor does not sink when guaranteeing to construct;
3. open the control cabinet 20 of DZ90 vibrator sunk pile machine, hang cannula system to by on pile pulling 26 pile crowns, adjust hoist engine 21 with hoist engine 21, guarantee sleeve pipe 17 center lines with by pile pulling 26 center lines on same straight line;
4. start the vibrating hammer 14 of DZ90 vibrator sunk pile machine, the resistance of the exciting force of guaranteeing vibrating hammer 14 during greater than sinking sleeve 17 down sinks sleeve pipe 17;
5. sink down in protection ring 24 bottoms from being begun to open OGFD22 air compressor machine 10 and 100TSWA high-pressure pump 6 by 1/3 o'clock 26 end of pile pulling, high pressure draught and current feed qi of chong channel ascending adversely pipe 12 and the qi of chong channel ascending adversely pipe 13 in four protective sleeves 11, carry out sinking sleeve 17 under the limit by four coaxial injection apparatus 25 of gas-vapor mix again, the limit sprays the operation of 12 strands of 1.5MPa water under high pressure air-flows 33, sink down into by the position of 9m at the bottom of 26 of the pile pullings until protection ring 24 bottoms, if the resistance that runs into when descending sinking sleeve 17 is bigger, then adopt and promote sleeve pipe 17 earlier, 3-4m, descend the operation of sinking sleeve 17 again, it is very little that operation repeats when following sinking sleeve 17 resistance, the resistance when also having reduced pile pulling simultaneously;
6. open the control cabinet 20 of DZ90 vibrator sunk pile machine, extract sleeve pipe 17 with hoist engine 21 after, move on the ground;
7. steel wire loop on by pile pulling 26, will be extracted by pile pulling 26 with the crane 31 of 50t ton;
8. with the stake hole that sand fills up, compacting stays after being extracted by pile pulling 26, in case landslide.
Claims (6)
1. extractor; involving vibrations pipeline sinking pile machine system and crane system; vertical rod (16) bottom in the vibrator sunk pile machine system; control cabinet (20;) hoist engine (21) bottom; strut (22) bottom is fixed on top, chassis (30); strut (22) top is fixed on vertical rod (16) top; vertical rod (16) top is then walked around at hoist engine (21) top; and collude with iron and to hook vibrating hammer (14); below the vibrating hammer (14) is vibrating hammer clamp (15); before walk pipe (18); after walk the bottom that pipe (19) is fixed on chassis (30); it is characterized in that this extractor also comprises high pressure pump system; air compressor system and cannula system; wherein the sleeve pipe in the cannula system (17) is enclosed within by the outside of pile pulling (26); the bottom of sleeve pipe (17) is welded with protection ring (24); vertically arrange 4 qi of chong channel ascending adversely pipes (12) and 4 jet water spouts (13) on the outer circle wall of sleeve pipe (17); with a qi of chong channel ascending adversely pipe (12) and 1 jet water spout (13) is one group; have four groups; every group of qi of chong channel ascending adversely pipe and jet water spout are covered with a protective sleeve (11) outward; bottommost at protective sleeve (11) is equipped with the coaxial injection apparatus of gas-vapor mix (25); four qi of chong channel ascending adversely pipes (12) at four protective sleeves (11) top and four jet water spouts (13) respectively by the outer four qi of chong channel ascending adversely pipes (12) of hollow bolt and protective sleeve (11) with after four jet water spouts (13) are connected; respectively four qi of chong channel ascending adversely pipes (12) and air compressor machine four-way connection (29) are joined afterwards again and the connection of the air compressor machine (10) in the air compressor system; four jet water spouts (13) and storage tank four-way connection (28) back that joins is connected with storage tank (7) in the high pressure pump system, and the vibrating hammer clamp (15) in the vibrator sunk pile machine system is clipped on the sleeve pipe (17) in the cannula system.
2. extractor according to claim 1, it is characterized in that described high pressure pump system, water tank wherein (2) top has water inlet (1), bottom that delivery port (3) is arranged, be connected with high-pressure pump (6) by inlet tube (4), one end of high-pressure pump (6) is connected with motor (5), the other end is connected with storage tank (7), and the top of storage tank (7) has gas vent (8), bottom to have sewage draining exit (9), side that storage tank four-way connection (28) is housed.
3. extractor according to claim 1 is characterized in that described protective sleeve (11) is welded on the lengthwise position of sleeve pipe (17) outer wall, becomes cruciform shape to be symmetrically distributed.
4. extractor according to claim 1; it is characterized in that described sleeve pipe (17) is cylindrical shape; drum surface has some through holes (23); the junction of last joint sleeve pipe and following joint sleeve pipe is welded with the 2-4 piece steel plate (27) of putting more energy into; the bottom of the protection ring (24) of sleeve pipe (17) bottom is welded with the triangle steel blade and circularizes, and is connected with sleeve pipe (17) by the steel plate of putting more energy into (27).
5. extractor according to claim 1; it is characterized in that the coaxial injection apparatus of described gas-vapor mix (25) is the hollow cuboid; its end face by hollow bolt respectively with protective sleeve (11) in qi of chong channel ascending adversely pipe (12) be connected with qi of chong channel ascending adversely pipe (13); have on the medial surface of injection apparatus three water under high pressure air-flow spouts (32) just with sleeve pipe (17) on three circular holes connect, the outside that four coaxial injection apparatus of gas-vapor mix (25) are welded on sleeve pipe (17) becomes cruciform shape to be symmetrically distributed.
6. job practices of carrying out pile pulling with the described extractor of claim 1 is characterized in that construction method step is as follows:
1. broken cushion cap is with being exposed by pile pulling (26) pile crown that need are pulled out;
2. at the steel casing of being buried underground by the position of pile pulling (26) pile crown greater than sleeve pipe (17) diameter, and with all backfills of soil, compacting around the casing, I type extractor does not sink when guaranteeing to construct;
3. open control cabinet (20), hang cannula system to by pile pulling (26) head, adjust hoist engine (21) with hoist engine (21), guarantee sleeve pipe (17) center line with by pile pulling (26) center line on same straight line;
4. open control cabinet (20), start vibrating hammer (14), the resistance of the exciting force of guaranteeing vibrating hammer (14) during greater than sinking sleeve (17) down sinks sleeve pipe (17);
5. sink down in protection ring (24) bottom from being begun to open air compressor machine (10) and high-pressure pump (6) by 1/3 o'clock end of pile pulling (26) stake, in sleeve pipe (17), spray 12 strands of water under high pressure air-flows (33) by the spout (32) in four coaxial injection apparatus of gas-vapor mix (25) and carry out sinking sleeve under one side (17), spray the operation of water under high pressure air-flow (33) on one side, sink down into by pile pulling (26) the stake position at the end until protection ring (24) bottom, resistance is bigger during following sinking sleeve (17), can promote sleeve pipe (17) 3-4m, descend sinking sleeve (17) again, the resistance that repeats when descending sinking sleeve (17) is very little, also can reduce the resistance when pulling out by pile pulling (26);
6. open control cabinet (20), extract sleeve pipe (17) with hoist engine (21) after, move on another velamen pile pulling (26) pile crown or the ground;
7. steel wire loop on by the pile crown of pile pulling (26), will be extracted by pile pulling (26) with crane (31);
8. with the stake hole that sand fills up, compacting stays after being extracted by pile pulling (26), in case landslide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710026169A CN100591859C (en) | 2007-08-16 | 2007-08-16 | Pile pulling construction method for pile pulling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710026169A CN100591859C (en) | 2007-08-16 | 2007-08-16 | Pile pulling construction method for pile pulling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101368386A true CN101368386A (en) | 2009-02-18 |
| CN100591859C CN100591859C (en) | 2010-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710026169A Expired - Fee Related CN100591859C (en) | 2007-08-16 | 2007-08-16 | Pile pulling construction method for pile pulling machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN100591859C (en) |
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| CN102561352A (en) * | 2012-01-21 | 2012-07-11 | 上海尔速机械设备有限公司 | Method and device for sawing foundation pile |
| CN102605787A (en) * | 2012-02-29 | 2012-07-25 | 赵兴山 | Device for inhibiting foundation soil from disturbing during removing of steel sheet piles and application method thereof |
| CN103243754A (en) * | 2012-02-08 | 2013-08-14 | 中国石油化工股份有限公司 | Annular pile jetting and cratering device and using method thereof |
| CN104005406A (en) * | 2014-01-29 | 2014-08-27 | 陈东曙 | Tubular pile construction method and pile tube structure of tubular pile |
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| CN106930288A (en) * | 2016-11-11 | 2017-07-07 | 叶长青 | A kind of pile extracting method |
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| CN110952555A (en) * | 2019-12-09 | 2020-04-03 | 广州市盾建地下工程有限公司 | Pile pulling method and pile pulling system |
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| CN2806566Y (en) * | 2005-06-21 | 2006-08-16 | 上海建仕建筑工程有限公司 | Pile extracting device using steel sleeve water-gas injection method |
| CN201074340Y (en) * | 2007-08-16 | 2008-06-18 | 江苏华东建设基础工程总公司 | Pile-drawing machine |
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| CN102561352A (en) * | 2012-01-21 | 2012-07-11 | 上海尔速机械设备有限公司 | Method and device for sawing foundation pile |
| CN103243754A (en) * | 2012-02-08 | 2013-08-14 | 中国石油化工股份有限公司 | Annular pile jetting and cratering device and using method thereof |
| CN102605787A (en) * | 2012-02-29 | 2012-07-25 | 赵兴山 | Device for inhibiting foundation soil from disturbing during removing of steel sheet piles and application method thereof |
| CN104005406A (en) * | 2014-01-29 | 2014-08-27 | 陈东曙 | Tubular pile construction method and pile tube structure of tubular pile |
| CN104762964A (en) * | 2015-04-02 | 2015-07-08 | 浙江鼎业基础工程有限公司 | Major diameter steel sleeve for cutting drilling construction |
| CN105971371B (en) * | 2016-06-24 | 2017-12-29 | 南陵旺科知识产权运营有限公司 | Scrap electrical wires bar removes machine |
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| CN113653054A (en) * | 2021-09-17 | 2021-11-16 | 中建八局第二建设有限公司 | Pile pulling construction method |
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Inventor after: Chen Linzhao Inventor after: Zhou Changzhong Inventor after: Lu Bingnan Inventor after: Qiu Weilun Inventor after: Xie Xingnan Inventor after: Cheng Zhiyan Inventor after: Zou Baoxiang Inventor after: Zhao Chao Inventor after: Hu Guangyun Inventor before: Chen Linzhao Inventor before: Zhou Changzhong Inventor before: Qiu Weilun Inventor before: Xie Xingnan Inventor before: Cheng Zhiyan Inventor before: Zou Baoxiang Inventor before: Zhao Chao Inventor before: Hu Guangyun |
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Free format text: CORRECT: INVENTOR; FROM: CHEN LINZHAO ZHOU ZHANGZHONG QIU WEILUN XIE XINGNAN CHENG ZHIYAN ZOU BAOXIANG ZHAO CHAO HU GUANGYUN TO: CHEN LINZHAO ZHOU ZHANGZHONG LU BINGNAN QIU WEILUN XIE XINGNAN CHENG ZHIYAN ZOU BAOXIANG ZHAO CHAO HU GUANGYUN |
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