CN101725148A - Feeding device of pouring pile underwater concrete and pouring method thereof - Google Patents
Feeding device of pouring pile underwater concrete and pouring method thereof Download PDFInfo
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- CN101725148A CN101725148A CN201010105570A CN201010105570A CN101725148A CN 101725148 A CN101725148 A CN 101725148A CN 201010105570 A CN201010105570 A CN 201010105570A CN 201010105570 A CN201010105570 A CN 201010105570A CN 101725148 A CN101725148 A CN 101725148A
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Abstract
The invention belongs to the field of building construction, in particular to a feeding device of pouring pile underwater concrete and a pouring method thereof. The device comprises a hopper, a hopper frame, a sleeve pipe, a guide pipe and a hopper plug. The feeding device is characterized in that the lower end of the hopper is provided with the lining guide pipe; fixed bolts are arranged outside a lower port of the hopper; the upper end of the sleeve pipe is provided with a seal cap; bolt grooves are arranged outside the seal cap and respectively correspond to the fixed bolts outside the hopper in position; two folio valves are arranged on a clamping cover and sleeved at the lower port of the outer edge of the seal cap during working; the sleeve pipe is connected with the guide pipe by a flange; and the hopper plug is an iron plug of which both ends are in cone shapes. Compared with the traditional method for reducing the resistance of concrete in a pile and the slurry protecting wall on the concrete in the guide pipe just by lifting the guide pipe in a limited way, the invention greatly improves the active pressure of pouring concrete in the guide pipe, effectively solves the problem of difficult falling of the concrete, improves the pouring speed, ensures the molded pile quality and has obvious economic and comprehensive benefits.
Description
Technical field:
The invention belongs to the realm of building construction, particularly a kind of feeding device of bored pile underwater concrete and pouring procedure.
Technical background:
In the realm of building construction, when the underwater concreting technology is adopted in the cast of cast-in-place pile concrete, in casting process, because stake hole wall earth is constantly sneaked in the mud off, mud off proportion is constantly increased, add that the length that catheter end head is imbedded in the concrete constantly increases, the damping power that is produced when stake inner concrete and mud off is during greater than the pressure of conduit inner concrete deadweight, the conduit inner concrete can't fall, and has caused the conduit obstruction.
At this problem, the normal a kind of solution that adopts is in the work progress, start with aspect the buried depth of catheter end head in the stake base concrete from reducing, but this way has a very big drawback: the conduit lifting capacity is little, still less than the damping power of stake inner concrete and mud off, the problem that concrete is difficult for falling can not get effective solution to conduit inner concrete gravity pressure; The maximum value of conduit lifting capacity, must be embedded in a little 300mm of inner concrete buried depth than conduit, even the conduit lifting capacity has reached the maximum value of permission just, when the gravity pressure of conduit inner concrete during still less than the damping power of stake inner concrete and mud off, the problem that concrete is difficult for falling does not still solve; If the conduit lifting capacity has surpassed the maximum value of its permission, mud will be sneaked in the inner concrete, and fracture accident takes place.
Summary of the invention:
The realm of building construction is in bored pile underwater concrete casting and constructing process, when the conduit obstruction occurring, traditional method is to promote conduit to reduce the buried depth of catheter end at the stake inner concrete, thereby reduce stake inner concrete and mud off damping power to the conduit inner concrete, but be subjected to the restriction (conduit promotes maximum value must imbed a little 300mm of the inner concrete degree of depth than catheter end) of conduit hoisting depth, the reduction of this damping power is very limited, purpose of the present invention is exactly to make the value added of conduit inner concrete gravity pressure not be subjected to the conduit lower end to imbed the restriction of the degree of depth in the concrete, can increase to a greater degree, to solve the conduit blocking problem effectively.
For realizing the purpose of foregoing invention, technical scheme of the present invention is following realization:
A kind of feeding device of bored pile underwater concrete and pouring procedure, its device is by hopper, hopper frame, sleeve pipe, conduit and hopper plug are formed, it is characterized in that, the hopper lower end has the liner conduit, the hopper lower port outside has 4 set bolts, the sleeve pipe upper end has sealing cap, the sealing cap outside has 4 bolt slots, corresponding with the set bolt position in the hopper outside respectively, card covers the valve that two fans are split, be enclosed within lower port place, sealing cap outer during work, sleeve pipe is connected by flange with conduit, and the lower end of liner sleeve pipe is that outer wedge shape port and outer have place-limited edge, the hopper plug is that two ends are conical irony stopper, one end has backguy, is positioned at the interface of hopper and conduit, can seal or open the hopper mouth on demand.
The length that the liner conduit is most economical, promptly maximum slides the big 300mm of stroke ratio standard catheter length.If length is excessive, then the material loading height has also increased, and is uneconomical; Length is too small, then can not guarantee to solve to greatest extent the conduit blockage problem.
After the liner conduit inserts sleeve pipe, by tightening the sealing cap of sleeve pipe upper end, make the liner conduit can not skid off the sleeve pipe upper port, hopper links to each other with sleeve pipe by the set bolt at its lower port place, the conduit that the sleeve pipe lower end is used by flange and fluid concrete links to each other, behind the hopper of slinging with crane, by closing the valve that card covers, block external port at the bottom of the sealing cap, hold sleeve pipe, because the Ka Gai load is in outer, stake aperture, sleeve pipe can not be descended, turn on bolt, hopper is separated with sleeve pipe, just can make hopper free lifting in liner conduit sliding stroke.
Operating principle of the present invention is such: after the conduit blocking problem occurring in the underwater concreting process, in the time of can't making conduit inner concrete gravity pressure greater than the pressure of stake inner concrete and mud off by conventional method, promote the hopper of this device upper end, the liner conduit is as far as possible upwards promoted, in hopper, replenish some concrete again, make conduit inner concrete potential energy and gravity pressure increase simultaneously, when its pressure surpasses the stake damping power that inner concrete and mud off produced, potential energy is converted into kinetic energy, and utilizing its inertia, concrete injects in the stake smoothly.
Job practices of the present invention is finished like this:
1) the stake aperture behind pore-forming, hopper frame and Ka Gai are installed, open the valve that card covers, after then circular pipe being connected by joint, pass Ka Gai, be lowered in the hole position of 300mm～500mm at the bottom of the hole, the circular pipe top is connected on the flange of sleeve pipe lower end, then hopper is placed on the hopper frame,, hopper is connected with sleeve pipe by tighting a bolt;
2) clog the bottom charging aperture of hopper with the hopper plug, make when first batch of concrete is packed in the hopper, the hopper bottom nozzle is plugged, diameter according to the stake hole, the conduit bottom is apart from bottom surface, stake hole distance, conduit need be imbedded the minimum value of the degree of depth in the concrete (less than this value, the quality accident of broken pile takes place easily in the concrete placement) and maximum value (surpass this value, stake inner concrete and mud off pressure are greater than conduit inner concrete gravity pressure, concrete pouring is not gone down, cause plugging) etc. actual conditions, [amount of fill must not be less than 3.14 * castinplace pile radius to load an amount of concrete in hopper
2* (conduit bottom distance+0.8m) at the bottom of the hole], after making that first batch of concrete pours into a hole, guarantee that catheter end head imbeds concrete length and be no less than 800mm, fast the hopper plug is pulled out then, at this moment, the concrete in the hopper relies on its deadweight to inject a bottom, hole rapidly by conduit;
3) in hopper, load concrete continuously, along with the castinplace pile inner concrete waters being on the increase of fluence, it is increasing that catheter end head is imbedded concrete length, the hole causes mud off proportion constantly to increase because stake hole wall earth is sneaked in the mud off or collapse in the part, the damping power that is produced when stake inner concrete and mud off is during greater than the pressure of conduit inner concrete deadweight, cause conduit to stop up, at this moment, if imbedding concrete length, catheter end head do not have to surpass the length+300mm of a joint conduit (300mm is that conduit is imbedded the minimum in the concrete), the simple conduit that promotes is very limited to reduce an inner concrete and mud off to the damping power of conduit inner concrete, because the lifting capacity of conduit is very little, allow to surpass the length of a joint conduit anything but, otherwise, fracture accident will take place;
4) utilize crane that hopper and conduit are hung hopper frame, make the high card release lid of sealing cap bottom nozzle, close the valve that card covers then, block the sealing cap bottom nozzle, turn on bolt, hopper and sleeve pipe are separated, utilize the crane lifting hopper, the liner conduit upwards slides in sleeve pipe, and the part concrete flow is gone in the conduit in the hopper, again according to on-the-spot actual some concrete that in hopper, replenish, be as the criterion to keep hopper inner concrete amount to be no less than hopper total capacity 50%, make conduit inner concrete potential energy increase, gravity pressure is increasing simultaneously, when its pressure surpasses the stake damping power that inner concrete and mud off produced, concrete injects in the stake smoothly, has solved the conduit blockage problem effectively, and then falls hopper, make the liner conduit slide into sleeve bottom again, and tight a bolt; Because liner conduit lower port outer is provided with place-limited edge, when the liner conduit rose to highest point, place-limited edge withstood on the bottom of sealing cap, made the liner conduit can not skid off from sleeve pipe; Concrete on the outer wedge shape port shaving internal surface of sleeve pipe of liner conduit lower end closely contacts the liner conduit all the time with internal surface of sleeve pipe;
When 5) length in conduit is imbedded concrete surpasses a joint catheter length+300mm, just can remove the first segment conduit of sleeve pipe lower end, the resistance when reducing concrete pouring;
6) so repeat above-mentioned steps, finish concrete pouring until at last.
Simple at present dependence promotes conduit to reduce stake inner concrete and the mud off damping power for the conduit inner concrete limitedly, the present invention has increased the active pressure of conduit inner concrete cast greatly, efficiently solve concrete and be difficult for the problem of whereabouts, accelerated poring rate, guaranteed pile quality, its economic benefit and comprehensive benefit are very remarkable.
Description of drawings:
Fig. 1 is the working state figure of hopper of the present invention when loading first batch of concrete
Fig. 2 is the working state figure of hopper of the present invention when not promoting
Fig. 3 is a hopper of the present invention working state figure when promoting
Fig. 4 is a sealing cap plan view of the present invention
Fig. 5 is a sealing cap sectional side view of the present invention
Fig. 6 is a card lid plan view of the present invention
Fig. 7 is a card lid sectional side view of the present invention
Fig. 8 is the connecting bolt of hopper of the present invention and sleeve pipe
Fig. 9 is a hopper plug of the present invention
The specific embodiment:
Below in conjunction with accompanying drawing the present invention is further specified.
By Fig. 1-9 as can be known, stake aperture behind pore-forming, hopper frame 4 is installed and is blocked and cover 6, open card lid 6, after then circular pipe 10 being connected by joint, pass card lid 6, be lowered in the hole position of 300mm～500mm at the bottom of the hole, circular pipe 10 tops are connected on the flange of sleeve pipe 9 lower ends, then hopper 1 are placed on the hopper frame 4, by tighting a bolt 2, hopper 1 is connected with sleeve pipe 9; Clog the bottom charging aperture of hopper 1 with hopper plug 11, according to the result of calculated in advance, [amount of fill must not be less than 3.14 * castinplace pile radius to load an amount of concrete in hopper 1
2* (conduit bottom distance+0.8m) at the bottom of the hole] make that first batch of concrete pours into a hole after, assurance conduit 10 terminations are imbedded concrete length and are no less than 800mm), fast hopper plug 11 is pulled out then, at this moment, the concrete in the hopper 1 relies on its deadweight to inject bottom, stake hole rapidly by conduit 10; In hopper 1, load concrete continuously, along with the castinplace pile inner concrete waters being on the increase of fluence, it is increasing that concrete length is imbedded in conduit 10 terminations, simultaneously, the hole causes mud off proportion constantly to increase because stake hole wall earth is sneaked in the mud off or collapse in the part, the damping power that is produced when stake inner concrete and mud off is during greater than the pressure of conduit 10 inner concretes deadweight, cause conduit 10 to stop up, at this moment, if imbedding concrete length, conduit 10 terminations do not have to surpass the length+300mm of a joint conduit (300mm is that conduit is imbedded the minimum in the concrete), utilize crane that hopper 1 and conduit 10 are hung hopper frame 4, close card lid 6 then, block sealing cap 5 bottom nozzles, turn on bolt 2, hopper 1 and sleeve pipe 9 are separated, utilize crane lifting hopper 1, liner conduit 3 upwards slides in sleeve pipe 9 (because liner conduit 3 lower port outers are provided with place-limited edge 7, when liner conduit 3 rises to highest point, place-limited edge 7 withstands on the bottom of sealing cap 5, make the liner conduit can from sleeve pipe 9, not skid off), the part concrete flow is gone in the conduit 10 in the hopper 1, in hopper 1, replenish some concrete again, make conduit 10 inner concrete potential energy increase, gravity pressure is increasing simultaneously, when its pressure surpasses the stake damping power that inner concrete and mud off produced, concrete injects in the stake smoothly, conduit 10 blockage problem have been solved effectively, and then fall hopper 1, make the liner conduit slide into sleeve bottom again (at this moment, concrete on outer wedge shape port 8 shaving sleeve pipes 9 inwalls of liner conduit 3 lower ends, liner conduit 3 is closely contacted with sleeve pipe 9 inwalls all the time), and tight a bolt 2; When conduit 10 is imbedded length in the concrete and surpassed a joint conduit 10 length+300mm, just can remove the first segment conduit 10 of sleeve pipe 9 lower ends, the resistance when reducing concrete pouring.So repeat above-mentioned steps, finish concrete pouring until at last.
Claims (3)
1. the feeding device of a bored pile underwater concrete and pouring procedure, its device is by hopper, hopper frame, sleeve pipe, conduit and hopper plug are formed, it is characterized in that, the hopper lower end has the liner conduit, the hopper lower port outside has 4 set bolts, the sleeve pipe upper end has sealing cap, the sealing cap outside has 4 bolt slots, and corresponding with the set bolt position in the hopper outside respectively, card covers the valve that two fans are split, be enclosed within lower port place, sealing cap outer during work, sleeve pipe is connected by flange with conduit, and the hopper plug is that two ends are conical irony stopper, and an end has backguy, be positioned at the interface of hopper and conduit, can seal or open the hopper mouth on demand.
Job practices of the present invention is finished like this:
1) the stake aperture behind pore-forming, hopper frame and Ka Gai are installed, open the valve that card covers, after then circular pipe being connected by joint, pass Ka Gai, be lowered in the hole position of 300mm～500mm at the bottom of the hole, the circular pipe top is connected on the flange of sleeve pipe lower end, then hopper is placed on the hopper frame,, hopper is connected with sleeve pipe by tighting a bolt;
2) clog the bottom charging aperture of hopper with the hopper plug, make when first batch of concrete is packed in the hopper, the hopper bottom nozzle is plugged, diameter according to the stake hole, the conduit bottom is apart from bottom surface, stake hole distance, conduit need be imbedded the minimum value of the degree of depth in the concrete (less than this value, the quality accident of broken pile takes place easily in the concrete placement) and maximum value (surpass this value, stake inner concrete and mud off pressure are greater than conduit inner concrete gravity pressure, concrete pouring is not gone down, cause plugging) etc. actual conditions, [amount of fill must not be less than 3.14 * castinplace pile radius to load an amount of concrete in hopper
2* (conduit bottom distance+0.8m) at the bottom of the hole], after making that first batch of concrete pours into a hole, guarantee that catheter end head imbeds concrete length and be no less than 800mm, fast the hopper plug is pulled out then, at this moment, the concrete in the hopper relies on its deadweight to inject a bottom, hole rapidly by conduit;
3) in hopper, load concrete continuously, along with the castinplace pile inner concrete waters being on the increase of fluence, it is increasing that catheter end head is imbedded concrete length, the hole causes mud off proportion constantly to increase because stake hole wall earth is sneaked in the mud off or collapse in the part, the damping power that is produced when stake inner concrete and mud off is during greater than the pressure of conduit inner concrete deadweight, cause conduit to stop up, at this moment, if imbedding concrete length, catheter end head do not have to surpass the length+300mm of a joint conduit (300mm is that conduit is imbedded the minimum in the concrete), the simple conduit that promotes is very limited to reduce an inner concrete and mud off to the damping power of conduit inner concrete, because the lifting capacity of conduit is very little, allow to surpass the length of a joint conduit anything but, otherwise, fracture accident will take place;
4) utilize crane that hopper and conduit are hung hopper frame, make the high card release lid of sealing cap bottom nozzle, close the valve that card covers then, block the sealing cap bottom nozzle, turn on bolt, hopper and sleeve pipe are separated, utilize the crane lifting hopper, the liner conduit upwards slides in sleeve pipe, and the part concrete flow is gone in the conduit in the hopper, again according to on-the-spot actual some concrete that in hopper, replenish, be as the criterion to keep hopper inner concrete amount to be no less than hopper total capacity 50%, make conduit inner concrete potential energy increase, gravity pressure is increasing simultaneously, when its pressure surpasses the stake damping power that inner concrete and mud off produced, concrete injects in the stake smoothly, has solved the conduit blockage problem effectively, and then falls hopper, make the liner conduit slide into sleeve bottom again, and tight a bolt; Because liner conduit lower port outer is provided with place-limited edge, when the liner conduit rose to highest point, place-limited edge withstood on the bottom of sealing cap, made the liner conduit can not skid off from sleeve pipe; Concrete on the outer wedge shape port shaving internal surface of sleeve pipe of liner conduit lower end closely contacts the liner conduit all the time with internal surface of sleeve pipe;
When 5) length in conduit is imbedded concrete surpasses a joint catheter length+300mm, just can remove the first segment conduit of sleeve pipe lower end, the resistance when reducing concrete pouring;
6) so repeat above-mentioned steps, finish concrete pouring until at last.
2. the feeding device of a kind of bored pile underwater concrete according to claim 1 is characterized in that, the length that the liner conduit is most economical, and promptly maximum slides the big 300mm of stroke ratio standard catheter length.
3. the feeding device of a kind of bored pile underwater concrete according to claim 1 is characterized in that, the lower end of liner sleeve pipe is that outer wedge shape port and outer have place-limited edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101055709A CN101725148B (en) | 2010-02-04 | 2010-02-04 | Feeding device of pouring pile underwater concrete and pouring method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101055709A CN101725148B (en) | 2010-02-04 | 2010-02-04 | Feeding device of pouring pile underwater concrete and pouring method thereof |
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| CN101725148A true CN101725148A (en) | 2010-06-09 |
| CN101725148B CN101725148B (en) | 2012-07-25 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296612A (en) * | 2011-05-24 | 2011-12-28 | 天津二十冶建设有限公司 | Device and method for underwater pouring concrete in slurry retaining wall cast-in-situ bored pile |
| CN103306287A (en) * | 2013-07-02 | 2013-09-18 | 张璐 | Underwater concrete pouring hopper |
| CN105256806A (en) * | 2015-11-20 | 2016-01-20 | 江苏盛泰智能基础工程有限公司 | Environment-friendly type charging and feeding device for intelligent cemented soil mixing pile |
| CN105484231A (en) * | 2016-01-20 | 2016-04-13 | 中铁隆工程集团有限公司 | Uplift pile and underwater concrete rabbet connecting mechanism and construction method thereof |
| CN106639318A (en) * | 2017-01-06 | 2017-05-10 | 马义军 | Intelligent servo linked feeding system for building 3D printing |
| CN108316304A (en) * | 2018-04-09 | 2018-07-24 | 江苏龙源振华海洋工程有限公司 | A kind of concrete sealing bottom magazine attachment |
| CN113136867A (en) * | 2021-05-08 | 2021-07-20 | 中铁十六局集团置业投资有限公司 | Deep foundation pit pouring device |
| CN114908758A (en) * | 2022-05-09 | 2022-08-16 | 上海建工建材科技集团股份有限公司 | Underwater concrete pouring method for cast-in-place pile |
| CN116716887A (en) * | 2023-08-11 | 2023-09-08 | 中铁十四局集团有限公司 | Concrete bored concrete pile pouring device |
Families Citing this family (2)
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| CN106284362B (en) * | 2016-08-09 | 2018-03-13 | 湖南路桥建设集团有限责任公司 | A kind of construction method of single catheter perfusion Large Underwater bottom concrete |
| CN106498935B (en) * | 2016-11-09 | 2018-10-16 | 中冶建工集团有限公司 | A kind of bored pile underwater concrete casting method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296612A (en) * | 2011-05-24 | 2011-12-28 | 天津二十冶建设有限公司 | Device and method for underwater pouring concrete in slurry retaining wall cast-in-situ bored pile |
| CN103306287A (en) * | 2013-07-02 | 2013-09-18 | 张璐 | Underwater concrete pouring hopper |
| CN105256806A (en) * | 2015-11-20 | 2016-01-20 | 江苏盛泰智能基础工程有限公司 | Environment-friendly type charging and feeding device for intelligent cemented soil mixing pile |
| CN105484231A (en) * | 2016-01-20 | 2016-04-13 | 中铁隆工程集团有限公司 | Uplift pile and underwater concrete rabbet connecting mechanism and construction method thereof |
| CN105484231B (en) * | 2016-01-20 | 2017-05-17 | 中铁隆工程集团有限公司 | Uplift pile and underwater concrete rabbet connecting mechanism and construction method thereof |
| CN106639318A (en) * | 2017-01-06 | 2017-05-10 | 马义军 | Intelligent servo linked feeding system for building 3D printing |
| CN108316304A (en) * | 2018-04-09 | 2018-07-24 | 江苏龙源振华海洋工程有限公司 | A kind of concrete sealing bottom magazine attachment |
| CN113136867A (en) * | 2021-05-08 | 2021-07-20 | 中铁十六局集团置业投资有限公司 | Deep foundation pit pouring device |
| CN114908758A (en) * | 2022-05-09 | 2022-08-16 | 上海建工建材科技集团股份有限公司 | Underwater concrete pouring method for cast-in-place pile |
| CN114908758B (en) * | 2022-05-09 | 2023-12-29 | 上海建工建材科技集团股份有限公司 | Underwater concrete pouring method for cast-in-place pile |
| CN116716887A (en) * | 2023-08-11 | 2023-09-08 | 中铁十四局集团有限公司 | Concrete bored concrete pile pouring device |
| CN116716887B (en) * | 2023-08-11 | 2023-10-27 | 中铁十四局集团有限公司 | Concrete bored concrete pile pouring device |
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| CN101725148B (en) | 2012-07-25 |
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