CN103088820B - Waterpower self-excited oscillation jet flow vibratory pile sinking device and pile sinking technology - Google Patents
Waterpower self-excited oscillation jet flow vibratory pile sinking device and pile sinking technology Download PDFInfo
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Abstract
The invention relates to a waterpower self-excited oscillation jet flow vibratory pile sinking device and a pile sinking technology. A reinforced concrete pile body is a sheet pile, a square pile head and a hanging ring are arranged in the middle of the top of the reinforced concrete pile body, the reinforced concrete pile body is connected with a vibratory hammer part through a vibratory hammer connecting device, a jet flow pipe with a self-excited oscillation jet flow nozzle is arranged on the bottom of the sheet pile, the jet flow pipe is connected with a high pressure water pump group through a water pipe and rapid docking movable elbows, and the vibratory hammer part is connected with lifting equipment through an integrated lifting appliance. The waterpower self-excited oscillation jet flow vibratory pile sinking device and the pile sinking technology have the advantages that construction technologies of different strata can be resolved, construction efficiency can be improved greatly at the same time, construction quality is guaranteed, drawbacks and defects exist in the prior art are overcome or avoided, the problems of hard clay strata pile sinking speed and breakdown of underground obstacles are resolved, the purpose that undisturbed soil on two 2-meter-long sides of the bottom of the pile body in a pile sinking process is not damaged is achieved, the two sides of the pile body are filled with sand to enable disturbed soil on the two sides of the pile body to be replaced by silver sand, and fast consolidation is achieved.
Description
Technical field
The present invention relates to a kind of pile-sinking device and process for sinking, particularly a kind of waterpower self-oscillation flow jet flow pile vibrosinking device and process for sinking.
Background technology
At present, the process for sinking traditional handicraft of existing precast reinforced concrete piles has: paddle type mill pile sinking, static pressure type pile sinking, vibrating type pile sinking, technique such as bath auxiliary pile sinking, vibratory drilling method auxiliary pile sinking etc.Wherein, paddle type mill process for sinking and static pressure type process for sinking are not very much not stated with the present invention relates to; Water jetting process for sinking due to pile jetting pile side undisturbed soil in a short time can not consolidation by disturbance; Above process for sinking enters a speed and is difficult to improve on gumbo stratum; Need open when running into obstruction in stratum and take obstruction or move stake position.
Existing patented technology has: China Patent No. is that " hydraulic sheeting and the using method " of ZL200610070402.4 comprises reinforced concrete pile plate and the interior water pipe excessively vertically installed thereof, the water operation pipe be connected with mistake water pipe that bottom transverse is installed, the slideway that side is installed, the slide plate that opposite side is installed, the lifting suspension ring installed of top and the reserved steel bar buried underground, also comprise on described reinforced concrete pile plate, vertical water proof road that the both sides of slideway, slide plate are arranged.A kind of hydraulic sheeting and using method, comprise (A) with lifting appliance, reinforced concrete pile plate to be lifted by crane, by sluice and water operation pipe to enter stratum under the mode of jetting, by the slide plate of another block reinforced concrete pile plate from enter stratum stake plate breach hollow square steel slideway in inject, under enter stratum, also comprise the integrated connection between (B) each plate, first water proof road is rinsed with jet water spout, then enter strip mould bag down and fill cement paste, making between plate, to form the inner cavity chamber completely isolated with plate outward; (C) enter grouting pipe under in the hollow square steel in this inner cavity chamber, fill cement paste from bottom to up, between whole plate, joint portion is by a kind of steel bar concrete overall structure with sandwich steel plate of formation; (D) cast-in-place top cross-bar or do not water top cross-bar, its Problems existing is: one is only adopt the mode of jetting to realize pile sinking, to occur in pile driving process that 2m both sides undisturbed soil bottom pile body is destroyed the larger problem pile body surrounding soil body under the effect of the silt water of jet water course and discharge, pile body and the surrounding soil body form the gap of 5 ~ 15cm, depend merely on gravity flow measure of back-silting to be difficult in a short time recover, cause pile body unstable; Two is scarce capacities of jet pipe cuts formation, and when running into gumbo stratum or underground obstacle, its pile sinking efficiency reduces, and is difficult to penetrate obstruction.
" a kind of high-pressure spray pile vibrosinking device and the process for sinking " of China Patent No. ZL2012100208516.6, disclose a kind of high-pressure spray pile vibrosinking device, described terrestrial components comprises vertical exciting force generator, the pile chuck be connected with vertical exciting force generator, the bottom of described vertical exciting force generator connects outer high pressure connection, described outer high pressure connection connects high-pressure spray generator, described underground parts comprise the spigot that pile chuck lower end connects, the jet pipe be connected with spigot, the end of described jet pipe arranges high-pressure jet nozzle, horizontal exciting force generator is provided with between described jet pipe and high-pressure jet nozzle, high-pressure spray generator jet groutinl or water filling, atomizing of liquids forms high pressure fluid column cutting, pulverize and liquefaction soil, horizontal exciting force generator produces horizontal direction vibration force, to cutting, the soil pulverized and liquefy carries out vibration processing, pile body is pressed into stratum fast and enters into the predetermined pile sinking degree of depth, obviously can solve difficulty, strange land layer construction technology, improve construction benefit and construction quality greatly simultaneously.But this invention is mainly used in circular pile sinking, and is used alone, in addition, the jet pipe of employing and high-pressure jet nozzle are not plain nozzles, different from mentality of designing of the present invention.
Summary of the invention
Object of the present invention is exactly in view of the foregoing defects the prior art has, provides a kind of waterpower self-oscillation flow jet flow pile vibrosinking device and process for sinking.
A kind of waterpower self-oscillation flow jet flow pile vibrosinking device, comprise reinforced concrete pile body, jet pipe, water service pipe, rapid abutting joint movable elbow, high-pressure rubber pipe, high-pressure hydraulic pump group, vibrating hammer part and integrated sling with self-oscillation flow jet flow nozzle, described reinforced concrete pile body is sheet pile, crown center is provided with square pile crown and suspension ring, is connected with vibrating hammer part by vibrating hammer linkage; The two sides of described sheet pile are respectively equipped with pile body tenon groove and pile body sunk coak, pile body tenon groove is identical with the length of sheet pile with the length of pile body sunk coak, the inner side of pile body tenon groove and pile body sunk coak is provided with symmetrical semi-circular recesses, form about one circular channel communicated when two groups or more sheet pile is connected, in circular channel, be provided with water service pipe; Be provided with the jet pipe with self-oscillation flow jet flow nozzle in the bottom of described sheet pile, be connected with high-pressure hydraulic pump group by water service pipe, rapid abutting joint movable elbow; Described vibrating hammer part is connected with the suspension hook of hanging device by integrated sling.
Above-mentioned integrated sling is made up of main sling cable, secondary sling cable, tuning assembly pulley, the support of main hoist cable steel pipe, lifting snap ring, main sling cable is fixed at the two ends of main hoist cable steel pipe support, two ends fixing lifting snap ring respectively of main sling cable, fix reinforced concrete pile body by lifting snap ring, the top of described main sling cable is connected by main suspension hook; The stage casing of described main hoist cable steel pipe support is fixed with tuning assembly pulley, and tuning assembly pulley is wound around secondary sling cable, and the bottom of secondary sling cable connects vibrating hammer part, and top is connected with secondary suspension hook.
The above-mentioned jet pipe with self-oscillation flow jet flow nozzle is made up of jet pipe, self-oscillation flow jet flow nozzle, the quick female joint of self-locking, multiple self-oscillation flow jet flow nozzle is installed under jet pipe, one end of jet pipe is provided with the quick female joint of self-locking, described jet pipe is arranged on the bottom of reinforced concrete pile body, and with angle of inclination.
A kind of waterpower self-oscillation flow jet flow pile vibrosinking technique, comprises the following steps realization:
The first, the tenon groove of reinforced concrete pile body both sides is rested in the sunk coak installing concrete pile body side, utilizing the strength of waterpower self-oscillation flow jet flow to be cut by soil layer makes sheet pile slowly sink to underground, pile sinking speed accelerated by Vibration on Start-up hammer, when sheet pile sinks to more than design elevation 2 ~ 3m, stop waterpower self-oscillation flow jet flow, in the Ni Mian gap, both sides of sheet pile, throw in fine sand simultaneously, adopt pile vibrosinking to be continued to sink down into design elevation by sheet pile;
The second, pressure grouting, pea gravel concreten is injected circular channel between two sheet piles by water service pipe, and water service pipe is extracted after being full of pea gravel concreten with lower part by mud face, and mud face adopts film bag perfusion pea gravel concreten with upper part grouting;
Three, cast-in-place cap, unifies cast-in-situ concrete after colligation horizontal reinforcement, accomplishes that transverse integral connects by the reserved steel bar at reinforced concrete sheet pile top.
A kind of waterpower self-oscillation flow jet flow pile vibrosinking technique, comprises following more specifically step and realizes:
(1) integrated sling, waterpower self-oscillation flow jet flow pipe, water service pipe, rapid abutting joint dedicated elbow are first installed, connect water supply sebific duct, vibrating hammer;
(2) lift by crane sheet pile, sheet pile body should be vertical plumbness;
(3) start waterpower self-oscillation flow jet flow system, the downward jetting cuts formation of jet pipe, mud is discharged along sheet pile surrounding space, and sheet pile is lowered into stratum in the effect of waterpower self-oscillation flow jet flow cuts formation and self gravitation;
(4) electric vibrating hammer is started, accelerate pile sinking speed, when sheet pile sinks to more than design elevation 2 ~ 3m, stop waterpower self-oscillation flow jet flow, in the Ni Mian gap, both sides of sheet pile, throw in fine sand simultaneously, sheet pile is continued to sink down into design elevation, makes pile body both sides disturbed soil be replaced as fine sand and rapidly solidified under the effect of vibration at pile body two lateral irrigation sand;
(5) jackstone protection-apron or jackstone spats should be added to ensure the stability of sheet pile in the region construction of easily washing away foundation;
(6) pressure grouting, lever is utilized to reverse counterclockwise water service pipe, water service pipe is made to depart from the circular channel of jet pipe, top connects concrete pressure pipeline and starts concrete pressure delivery pump, pea gravel concreten injects between two, extrude soft earth, slowly promote water service pipe simultaneously, after making mud face, two joint portions be full of pea gravel concreten with lower part, water service pipe is extracted; With upper part grouting, mud face treats that the following concrete in mud face reaches initial set state and adopts clear water to rinse its bonding surface, adopt film bag perfusion pea gravel concreten to be full of the circular channel in more than mud face, meet the fluid-tight function of joint seal;
(7) cast-in-place cap, unifies colligation horizontal reinforcement after-pouring concrete by the reserved steel bar at sheet pile top, accomplish that transverse integral is connected to form the overall diaphragm wall of steel concrete.
The invention has the beneficial effects as follows: Different Strata construction technology technology can be solved, simultaneously larger raising efficiency of construction, ensure construction quality, overcome or avoid the shortcoming that exists in above-mentioned prior art or deficiency, solve gumbo stratum pile sinking speed and puncture a underground obstacle difficult problem; To solve in pile driving process 2m both sides undisturbed soil bottom pile body and be destroyed problem, take pile body two lateral irrigation sand to make pile body both sides disturbed soil be replaced as fine sand and rapidly solidified.
Accompanying drawing explanation
Fig. 1 is pile body structure schematic diagram of the present invention;
Fig. 2 is self-oscillation nozzle schematic diagram;
Fig. 3 is the positive elevational schematic view of pile body of the present invention;
Fig. 4 is pile body side elevation schematic diagram of the present invention;
Fig. 5 is pile body schematic top plan view of the present invention;
Fig. 6 is conventional piles body structure schematic cross-section;
Fig. 7 is integrated sling schematic diagram of the present invention;
Fig. 8 is vibratory impulse hammer schematic diagram;
Fig. 9 is the jet pipe scheme of installation of the present invention with self-oscillation flow jet flow nozzle;
Figure 10 is the jet pipe side elevation schematic diagram of the present invention with self-oscillation flow jet flow nozzle;
Figure 11 is the patent No. is jet pipe scheme of installation in the hydraulic sheeting technique of ZL200610070402.4;
The hydraulic sheeting jet pipe side elevation schematic diagram of Figure 12 to be the patent No. be ZL200610070402.4;
Figure 13 is that pile body of the present invention sinks to stratum side elevation schematic diagram;
Figure 14 is that polylith pile body of the present invention sinks to stratum and connects upright schematic diagram;
Figure 15 is that polylith pile body of the present invention connects schematic top plan view;
Figure 16 is Construction State schematic diagram of the present invention;
In upper figure: reinforced concrete pile body 1, pile body tenon groove 1.1, pile body sunk coak 1.2, square pile crown 1.3, reserved steel bar 1.4, suspension ring 1.5, with the jet pipe 2 of self-oscillation flow jet flow nozzle, jet pipe 2.1, self-oscillation flow jet flow nozzle 2.2, the quick female joint 2.3 of self-locking, water service pipe 3, rapid abutting joint movable elbow 4, high-pressure rubber pipe 5, high-pressure hydraulic pump group 6, vibrating hammer part 7, vibrating hammer 7.1, vibrating hammer linkage 7.2, integrated sling 8, main sling cable 8.1, secondary sling cable 8.2, tuning assembly pulley 8.3, main hoist cable steel pipe support 8.4, lifting snap ring 8.5, hanging device 9, main suspension hook 9.1, secondary suspension hook 9.2, fine sand 10, perfusion seam 11.
Detailed description of the invention
1-16 by reference to the accompanying drawings, the invention will be further described:
A kind of waterpower self-oscillation flow jet flow pile vibrosinking device that the present invention mentions, comprise reinforced concrete pile body 1, jet pipe 2, water service pipe 3, rapid abutting joint movable elbow 4, high-pressure rubber pipe 5, high-pressure hydraulic pump group 6, vibrating hammer part 7 and integrated sling 8 with self-oscillation flow jet flow nozzle, described reinforced concrete pile body 1 is sheet pile, crown center is provided with square pile crown 1.3 and suspension ring 1.5, is connected with vibrating hammer part 7 by vibrating hammer linkage 7.2; The two sides of described sheet pile are respectively equipped with pile body tenon groove 1.1 and pile body sunk coak 1.2, pile body tenon groove 1.1 is identical with the length of sheet pile with the length of pile body sunk coak 1.2, the inner side of pile body tenon groove 1.1 and pile body sunk coak 1.2 is provided with symmetrical semi-circular recesses, form about one circular channel communicated when two groups or more sheet pile is connected, in circular channel, be provided with water service pipe 3; Be provided with the jet pipe 2 with self-oscillation flow jet flow nozzle in the bottom of described sheet pile, be connected with high-pressure hydraulic pump group 6 by water service pipe 3, rapid abutting joint movable elbow 4; Described vibrating hammer part 7 is connected with the suspension hook of hanging device 9 by integrated sling 8.
Wherein, integrated sling 8 is made up of main sling cable 8.1, secondary sling cable 8.2, tuning assembly pulley 8.3, main hoist cable steel pipe support 8.4, lifting snap ring 8.5, main sling cable 8.1 is fixed at the two ends of main hoist cable steel pipe support 8.4, two ends fixing lifting snap ring 8.5 respectively of main sling cable 8.1, fix reinforced concrete pile body 1 by lifting snap ring 8.5, the top of described main sling cable 8.1 is connected by main suspension hook 9.1; The stage casing of described main hoist cable steel pipe support 8.4 is fixed with tuning assembly pulley 8.3, and tuning assembly pulley 8.3 is wound around secondary sling cable 8.2, and the bottom of secondary sling cable 8.2 connects vibrating hammer part 7, and top is connected with secondary suspension hook 9.2.
Wherein, jet pipe 2 with self-oscillation flow jet flow nozzle is made up of jet pipe 2.1, self-oscillation flow jet flow nozzle 2.2, the quick female joint 2.3 of self-locking, jet pipe installs multiple self-oscillation flow jet flow nozzle 2.2 for 2.1 times, one end of jet pipe 2.1 is provided with the quick female joint 2.3 of self-locking, described jet pipe 2.1 is arranged on the bottom of reinforced concrete pile body 1, and with angle of inclination.
A kind of waterpower self-oscillation flow jet flow pile vibrosinking technique, comprises the following steps realization:
The first, the tenon groove of reinforced concrete pile body both sides is rested in the sunk coak installing concrete pile body side, utilizing the strength of waterpower self-oscillation flow jet flow to be cut by soil layer makes sheet pile slowly sink to underground, pile sinking speed accelerated by Vibration on Start-up hammer, when sheet pile sinks to more than design elevation 2 ~ 3m, stop waterpower self-oscillation flow jet flow, in the Ni Mian gap, both sides of sheet pile, throw in fine sand 10 simultaneously, adopt pile vibrosinking to be continued to sink down into design elevation by sheet pile;
The second, pressure grouting, pea gravel concreten is injected circular channel between two sheet piles by water service pipe, and water service pipe is extracted after being full of pea gravel concreten with lower part by mud face, and mud face adopts film bag perfusion pea gravel concreten with upper part grouting;
Three, cast-in-place cap, unifies cast-in-situ concrete after colligation horizontal reinforcement, accomplishes that transverse integral connects by the reserved steel bar at reinforced concrete sheet pile top.
A kind of waterpower self-oscillation flow jet flow pile vibrosinking technique, comprises following more specifically step and realizes:
(1) integrated sling, waterpower self-oscillation flow jet flow pipe, water service pipe, rapid abutting joint dedicated elbow are first installed, connect water supply sebific duct, vibrating hammer;
(2) lift by crane sheet pile, sheet pile body should be vertical plumbness;
(3) start waterpower self-oscillation flow jet flow system, the downward jetting cuts formation of jet pipe, mud is discharged along sheet pile surrounding space, and sheet pile is lowered into stratum in the effect of waterpower self-oscillation flow jet flow cuts formation and self gravitation;
(4) electric vibrating hammer is started, accelerate pile sinking speed, when sheet pile sinks to more than design elevation 2 ~ 3m, stop waterpower self-oscillation flow jet flow, in the Ni Mian gap, both sides of sheet pile, throw in fine sand simultaneously, sheet pile is continued to sink down into design elevation, makes pile body both sides disturbed soil be replaced as fine sand and rapidly solidified under the effect of vibration at pile body two lateral irrigation sand;
(5) jackstone protection-apron or jackstone spats should be added to ensure the stability of sheet pile in the region construction of easily washing away foundation;
(6) pressure grouting, lever is utilized to reverse counterclockwise water service pipe, water service pipe is made to depart from the circular channel of jet pipe, top connects concrete pressure pipeline and starts concrete pressure delivery pump, pea gravel concreten injects between two, extrude soft earth, slowly promote water service pipe simultaneously, after making mud face, two joint portions be full of pea gravel concreten with lower part, water service pipe is extracted; With upper part grouting, mud face treats that the following concrete in mud face reaches initial set state and adopts clear water to rinse its bonding surface, adopt film bag perfusion pea gravel concreten to be full of the circular channel in more than mud face, meet the fluid-tight function of joint seal;
(7) cast-in-place cap, unifies colligation horizontal reinforcement after-pouring concrete by the reserved steel bar at sheet pile top, accomplish that transverse integral is connected to form the overall diaphragm wall of steel concrete.
The present invention is compared with prior art: (c) compare the slip casting tube seat size increased in concavo-convex tongue-and-groove in foundation ditch handbook 15.2.1 Figure 15-3 with conventional concrete sheet pile structure cross section, not only remain the form of structure of concavo-convex tongue-and-groove but also perfusion pea gravel concreten can be made smooth and easy after improvement, give ventilating water pipe slot milling simultaneously.
The square pile crown adding and protrude stake top is compared with conventional concrete sheet pile technique and the existing patent of invention number hydraulic sheeting that is ZL200610070402.4 and using method, remain stake top reserved steel bar after improvement to ensure and cast-in-place cap is combined into entirety, solution vibrating hammer linkage installation site.
About the improvement of jet pipe, existing patent of invention ZL200610070402.4 hydraulic sheeting and using method, jet pipe, installs and is parallel to sheet pile stake end, and with certain angle of inclination during jet pipe installation of the present invention, thrust can be produced when inserting after improving and make sheet pile combination tight.
About the improvement in water flow jet hole, existing patent of invention number is hydraulic sheeting and the using method of ZL200610070402.4, and water flow jet hole is electric drill boring, and the diameter in hole is 2-8mm; And multiple self-oscillation nozzle needs to be arranged on jet pipe according to cuts formation by the present invention, the ability of the jet pipe cuts formation after improvement improves greatly.
About the improvement of water service pipe, existing patent of invention number is hydraulic sheeting and the using method of ZL200610070402.4, and it is the center being embedded in concrete sheet-piling that water service pipe is installed; And water service pipe is arranged on (sunk coak side) in the semicircular structure passage of the side of pile body by the present invention, after improvement, remain original water flowing function, simultaneously as the pressure pipeline of grouting, finally extract and reuse.
The invention of rapid abutting joint movable elbow uses, and its feature two ends can realize rapid abutting joint simultaneously, realizes multi-angle variation, seals reliable linkage.One end and water service pipe rapid abutting joint, the other end and high-pressure rubber pipe rapid abutting joint, rotatably discharge torsion during sebific duct pressurized after docking.Its use is that waterpower pile sinking preparation efficiency improves more than 50%.
The invention of integrated sling uses, and the suspension centre solving prefabricated sheet pile suspension centre and vibrating hammer, all in center and the problem be independent of each other, simplifies vibrating hammer and pile body linkage, solves pile body of the present invention greatly, select the feature that vibrating hammer is little.
Pile jetting and pile vibrosinking perfect adaptation, bottom solving pile jetting pile body, the degree of depth two meters of both sides undisturbed soils are destroyed problem, thus avoid the problem of pile body shakiness; Solve pile body both sides disturbed soils and be replaced as fine sand and rapidly solidified.
Claims (5)
1. a waterpower self-oscillation flow jet flow pile vibrosinking device, it is characterized in that: comprise reinforced concrete pile body (1), jet pipe (2), water service pipe (3), rapid abutting joint movable elbow (4), high-pressure rubber pipe (5), high-pressure hydraulic pump group (6), vibrating hammer part (7) and integrated sling (8) with self-oscillation flow jet flow nozzle, described reinforced concrete pile body (1) is sheet pile, crown center is provided with square pile crown (1.3) and suspension ring (1.5), is connected with vibrating hammer part (7) by vibrating hammer linkage (7.2); The two sides of described sheet pile are respectively equipped with pile body tenon groove (1.1) and pile body sunk coak (1.2), pile body tenon groove (1.1) is identical with the length of sheet pile with the length of pile body sunk coak (1.2), the inner side of pile body tenon groove (1.1) and pile body sunk coak (1.2) is provided with symmetrical semi-circular recesses, form about one circular channel communicated when two groups or more sheet pile is connected, in circular channel, be provided with water service pipe (3); Be provided with the jet pipe (2) with self-oscillation flow jet flow nozzle in the bottom of described sheet pile, be connected with high-pressure hydraulic pump group (6) by water service pipe (3), rapid abutting joint movable elbow (4); Described vibrating hammer part (7) is connected by the suspension hook of integrated sling (8) with hanging device (9).
2. waterpower self-oscillation flow jet flow pile vibrosinking device according to claim 1, it is characterized in that: described integrated sling (8) is by main sling cable (8.1), secondary sling cable (8.2), tuning assembly pulley (8.3), main hoist cable steel pipe support (8.4), lifting snap ring (8.5) composition, main sling cable (8.1) is fixed at the two ends of main hoist cable steel pipe support (8.4), two ends fixing lifting snap ring (8.5) respectively of main sling cable (8.1), by the fixing reinforced concrete pile body (1) of lifting snap ring (8.5), the top of described main sling cable (8.1) is connected by main suspension hook, the stage casing of described main hoist cable steel pipe support (8.4) is fixed with tuning assembly pulley (8.3), and tuning assembly pulley (8.3) is wound around secondary sling cable (8.2), and the bottom of secondary sling cable (8.2) connects vibrating hammer part (7), and top is connected with secondary suspension hook.
3. waterpower self-oscillation flow jet flow pile vibrosinking device according to claim 1, it is characterized in that: the described jet pipe with self-oscillation flow jet flow nozzle (2) is made up of jet pipe (2.1), self-oscillation flow jet flow nozzle (2.2), the quick female joint of self-locking (2.3), multiple self-oscillation flow jet flow nozzle (2.2) is installed under jet pipe (2.1), one end of jet pipe (2.1) is provided with the quick female joint of self-locking (2.3), described jet pipe (2.1) is arranged on the bottom of reinforced concrete pile body (1), and with angle of inclination.
4. a process for sinking for waterpower self-oscillation flow jet flow pile vibrosinking device as claimed in claim 1, is characterized in that comprising the following steps realization:
The first, the tenon groove of reinforced concrete pile body both sides is rested in the sunk coak installing concrete pile body side, utilizing the strength of waterpower self-oscillation flow jet flow to be cut by soil layer makes sheet pile slowly sink to underground, pile sinking speed accelerated by Vibration on Start-up hammer, when sheet pile sinks to more than design elevation 2 ~ 3m, stop waterpower self-oscillation flow jet flow, in the Ni Mian gap, both sides of sheet pile, throw in fine sand (10) simultaneously, adopt pile vibrosinking to be continued to sink down into design elevation by sheet pile;
The second, pressure grouting, pea gravel concreten is injected circular channel between two sheet piles by water service pipe, and water service pipe is extracted after being full of pea gravel concreten with lower part by mud face, and mud face adopts film bag perfusion pea gravel concreten with upper part grouting;
Three, cast-in-place cap, unifies cast-in-situ concrete after colligation horizontal reinforcement, accomplishes that transverse integral connects by the reserved steel bar at reinforced concrete sheet pile top.
5. waterpower self-oscillation flow jet flow pile vibrosinking technique according to claim 4, is characterized in that comprising following concrete steps realizes:
(1) integrated sling, waterpower self-oscillation flow jet flow pipe, water service pipe, rapid abutting joint movable elbow, high-pressure rubber pipe, vibrating hammer part are first installed;
(2) lift by crane sheet pile, sheet pile body should be vertical plumbness;
(3) start waterpower self-oscillation flow jet flow system, the downward jetting cuts formation of jet pipe, mud is discharged along sheet pile surrounding space, and sheet pile is lowered into stratum in the effect of waterpower self-oscillation flow jet flow cuts formation and self gravitation;
(4) electric vibrating hammer is started, accelerate pile sinking speed, when sheet pile sinks to more than design elevation 2 ~ 3m, stop waterpower self-oscillation flow jet flow, in the Ni Mian gap, both sides of sheet pile, throw in fine sand simultaneously, sheet pile is continued to sink down into design elevation, makes pile body both sides disturbed soil be replaced as fine sand and rapidly solidified under the effect of vibration at pile body two lateral irrigation sand;
(5) jackstone protection-apron or jackstone spats should be added to ensure the stability of sheet pile in the region construction of easily washing away foundation;
(6) pressure grouting, lever is utilized to reverse counterclockwise water service pipe, water service pipe is made to depart from the circular channel of jet pipe, top connects concrete pressure pipeline and starts concrete pressure delivery pump, pea gravel concreten injects between two, extrude soft earth, slowly promote water service pipe simultaneously, after making mud face, two joint portions be full of pea gravel concreten with lower part, water service pipe is extracted; With upper part grouting, mud face treats that the following concrete in mud face reaches initial set state and adopts clear water to rinse its bonding surface, adopt film bag perfusion pea gravel concreten to be full of the circular channel in more than mud face, meet the fluid-tight function of joint seal;
(7) cast-in-place cap, unifies colligation horizontal reinforcement after-pouring concrete by the reserved steel bar at sheet pile top, accomplish that transverse integral is connected to form the overall diaphragm wall of steel concrete.
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| NL2014578B1 (en) * | 2015-04-02 | 2017-01-11 | Ihc Holland Ie Bv | A pile driving assembly and a follower. |
| CN106320390B (en) * | 2016-07-28 | 2019-01-11 | 河海大学 | A kind of vertical bank revetment sheet pile pile body deformation distributed monitoring method |
| CN107366292A (en) * | 2017-07-18 | 2017-11-21 | 浙江宏力阳生态建设股份有限公司 | A kind of joint filling device for waterpower pile sinking |
| CN110409425B (en) * | 2019-08-06 | 2021-06-29 | 海洋石油工程股份有限公司 | Simple hoisting point for steel pipe pile |
| CN113653053A (en) * | 2021-09-02 | 2021-11-16 | 厦门大学 | Fluidization drag reduction pile pulling device easy to recover |
| GB2613802A (en) | 2021-12-14 | 2023-06-21 | Subsea 7 Norway As | Installation and removal of subsea foundations |
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| CN2709517Y (en) * | 2004-05-12 | 2005-07-13 | 东营桩建水力插板技术有限公司 | Hydraulic timber lagging spray pipe |
| CN1963042A (en) * | 2006-11-24 | 2007-05-16 | 何富荣 | Hydraulic sheeting and use method thereof |
| CN102367671A (en) * | 2011-09-13 | 2012-03-07 | 北京高能时代环境技术股份有限公司 | Method for installing vertical soft barrier system based on soil foundation |
| CN102733389A (en) * | 2012-06-21 | 2012-10-17 | 上海中技桩业股份有限公司 | High-pressure spray pile vibrosinking device and process |
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2013
- 2013-01-15 CN CN201310013595.XA patent/CN103088820B/en not_active Expired - Fee Related
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| DE3201601A1 (en) * | 1982-01-20 | 1983-07-28 | Günther 2000 Hamburg Spranger | Method of placing sheet pile walls or the like in the earth by flushing and also a construction element for carrying out the method |
| CN2298284Y (en) * | 1997-05-30 | 1998-11-25 | 胜利油田黄河口治理工程公司 | Hydraulic spile wall |
| JP2005023570A (en) * | 2003-06-30 | 2005-01-27 | Ps Mitsubishi Construction Co Ltd | Pile for underpass side wall and water cut-off method of underpass side wall |
| CN2709517Y (en) * | 2004-05-12 | 2005-07-13 | 东营桩建水力插板技术有限公司 | Hydraulic timber lagging spray pipe |
| CN1963042A (en) * | 2006-11-24 | 2007-05-16 | 何富荣 | Hydraulic sheeting and use method thereof |
| CN102367671A (en) * | 2011-09-13 | 2012-03-07 | 北京高能时代环境技术股份有限公司 | Method for installing vertical soft barrier system based on soil foundation |
| CN102733389A (en) * | 2012-06-21 | 2012-10-17 | 上海中技桩业股份有限公司 | High-pressure spray pile vibrosinking device and process |
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| Publication number | Publication date |
|---|---|
| CN103088820A (en) | 2013-05-08 |
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Effective date of registration: 20161206 Address after: 257061 North Dongying Road, Dongying, Shandong, No. two, No. 271 Patentee after: Dongying Shi Chen Ocean Science & Technology Co Ltd Patentee after: Sun Shousen Patentee after: Shao Shiyi Patentee after: Zhang Zhao Patentee after: Chou Xingqi Address before: 257061 North Dongying Road, Dongying, Shandong, No. two, No. 271 Patentee before: Dongying Shida Haichen Technology Co., Ltd. Patentee before: Sun Shousen Patentee before: Shao Shiyi Patentee before: Zhang Zhao Patentee before: Chou Xingqi |
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