CN106149709B - The pile making method of pre-poured stake - Google Patents

The pile making method of pre-poured stake Download PDF

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Publication number
CN106149709B
CN106149709B CN201510127916.8A CN201510127916A CN106149709B CN 106149709 B CN106149709 B CN 106149709B CN 201510127916 A CN201510127916 A CN 201510127916A CN 106149709 B CN106149709 B CN 106149709B
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pile
drilling tool
pipe drilling
stake
concrete
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CN106149709A (en
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王庆伟
林红艳
王琢璐
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王庆伟
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Abstract

The invention belongs to building field, more particularly to a kind of pre-poured stake and its pile making method, the bottom of stake is prefabricated pile(2), top is bored concrete pile(1);The bored concrete pile of its middle and upper part(1)Diameter be more than bottom prefabricated pile(2)Diameter and make bored concrete pile(1)Parcel or not prefabricated pile(2)Upper end, in prefabricated pile(2)And bored concrete pile(1)Junction concrete or cement mixture filler are provided with or not set according to design requirement(3)Or top bored concrete pile(1)Diameter is more than bottom prefabricated pile(2)A diameter of docking form;The bored concrete pile on top(1)Diameter and bottom prefabricated pile(2)Diameter it is identical;Its pile making method is as follows:For pile making method A and pile making method B, the combination of the prefabricated pile and bored concrete pile of pre-poured stake and its pile making method is flexible, it is extensive to be applicable formation volumes, bearing capacity of single pile is high, with very strong practicality, meet the force-mechanism of stake, save the dosage of concrete, speed of application is substantially increased, it is high to reduce cost.

Description

The pile making method of pre-poured stake
Technical field
The invention belongs to building field, more particularly to a kind of pile making method of pre-poured stake.
Background technology
At present, the driven cast-in-place pile during technique is driven piles in construction, it is either external, domestic exist stake it is long by The height of pile frame is limited, and prevents the length of stake from oversize.In addition when the stake footpath of driven cast-in-place pile is big, stake is long, not only immersed tube Difficulty is big, and pouring concrete in-situ time length, dial outer tube when it is extremely difficult, so sometimes for increase bearing capacity, Bottom need to do enlarged footing, make to make a time length, when weak intercalated layer is met in enlarged footing bottom sometimes, it is necessary to which it is long to increase stake, passes through Weak intercalated layer, further increase and limited by stake machine tower height, make immersed tube, tube pulling difficulty bigger.Prefabricated pile because stake it is long can with pile extension, Stake is long not to be limited by stake machine height, but the cost of real core prefabricated pile is high, and hollow pile for prestressed pipe has shearing strength very again Difficulty meets the problem of design requirement, and increase stake is grown when chance landing surface has hard interbedded layer, and the noise that can produce construction is stranded greatly with pile sinking Difficulty, and have quick-fried stake phenomenon often, it is sometimes desirable to draw hole, cause construction cost high, speed of application is slow.
The content of the invention
It is an object of the invention to overcome above-mentioned technical deficiency, there is provided a kind of pile making method is simple, ensures pile foundation construction matter The pile making method of the fast pre-poured stake of amount, speed of application.
The present invention solves the technical scheme that technical problem uses:The characteristics of pre-poured stake is that bottom is prefabricated pile, on Portion is bored concrete pile;The diameter of the bored concrete pile of its middle and upper part is more than the diameter of the prefabricated pile of bottom and bored concrete pile is wrapped up or is not wrapped up The upper end of prefabricated pile, it is provided with the junction of prefabricated pile and bored concrete pile according to design requirement or does not set concrete or cement mixture Filler, top pile diameter are more than or equal to bottom prefabricated pile diameter, and bored concrete pile lower end is docked with prefabricated pile upper end, prefabricated filling The pile making method for noting stake is as follows:
Pile making method A:Aa, the inner and outer pipe drilling tool align piles position stake machine, adjust the perpendicularity of drilling tool;Ab, using quiet Inner and outer pipe drilling tool is sunk to projected depth by pressure, hammering or method for oscillating;Ac, start pipe drilling tool in hoist engine proposition;Ad, from outer Concrete perfusion filler starts hoist engine and lifts interior pipe drilling tool, put to design height at the top of pipe drilling tool side wall or outer pipe drilling tool Return in outer pipe drilling tool, using pipe drilling tool in being transferred to after static pressure, hammering or method for oscillating compacting filler;Ae, prefabricated pile sling, put Enter in outer pipe drilling tool;Af, band supporting plate steel reinforcement cage, the bored concrete pile core coagulation at the top of pile tube are placed in Concrete Filled property management stake top portion Native filler simultaneously consolidates;Ag, the movable plate for removing interior pipe drilling tool bottom, interior pipe drilling tool is aligned at the top of prefabricated pile, adjusts inner tube The perpendicularity of drilling tool, using static pressure, hammering or method for oscillating, interior pipe drilling tool is sunk to projected depth, prefabricated pile is also sunk to therewith Projected depth, then pipe drilling tool in proposition, forms bottom prefabricated pile;Ah, steel reinforcement cage is put into outer pipe drilling tool, perfusion pile body mixes Coagulate native filler;Pipe drilling tool in Ai, lifting, interior pipe drilling tool is put back at the top of the Concrete Filled thing in outer pipe drilling tool, is transferred to outer Pipe drilling tool completes the subsequent construction of stake, forms pre-poured stake;Aj, when without underground water, by design requirement, Ad can not be taken to walk Suddenly, pre-poured stake is completed;Pile making method B:Ba, stake machine is moved to and align piles position, lifts by crane prefabricated pile, adjust prefabricated pile Perpendicularity, prefabricated pile is sunk into ground surface;Bb, when prefabricated pile uses prestressed concrete pipe pile, placed at the top of prefabricated pile Band supporting plate steel reinforcement cage, irrigate inner concrete and consolidate;It Bc, will carry at the top of inner and outer pipe drilling tool alignment prefabricated pile, and adjust The perpendicularity of inner and outer pipe drilling tool;Bd, inner and outer pipe drilling tool is sink to using static pressure, hammering or method for oscillating by projected depth, it is prefabricated Stake also sinks to projected depth therewith, completes construction of prefabricated piles;Pipe drilling tool in Be, dial-out, is put into steel reinforcement cage, and concrete perfusion shape Into bored concrete pile;Bf, interior pipe drilling tool is sling, be put into the top of outer pipe drilling tool inner concrete, transferred to outer pipe drilling tool, complete the follow-up of stake Construction, forms pre-poured stake;Bg, when outer pipe drilling tool diameter is more than bottom prefabricated pile diameter, then formed bored concrete pile be more than it is pre- Stake diameter processed;Bh, the bottom of bored concrete pile in prefabricated pile top design length range to wrapping up.
The beneficial effects of the invention are as follows:The combination of the prefabricated pile and bored concrete pile of pre-poured stake and its pile making method is flexible, fits In extensive range with stratum, bearing capacity of single pile is high, has very strong practicality.The prefabricated pile of bottom reduces on-site concrete perfusion Amount, prefabricated pile diameter are less than pile diameter, meet the force-mechanism of stake, save the dosage of concrete, substantially increase construction Speed, cost is reduced, bottom solves the problems, such as that bored concrete pile can not play long stake because being limited by stake machine height using prefabricated pile, simultaneously Also accordingly solved because driven cast-in-place pile stake footpath is big, the problem of immersed tube and tube pulling difficulty when stake is long, top uses bored concrete pile ratio The shear resistance of prestressing force hollow pile greatly improves.
Brief description of the drawings
Illustrated below in conjunction with accompanying drawing with embodiment.
Fig. 1 is that the pile diameter of pre-poured stake is more than and wraps up prefabricated pile with concrete or cement mixture filler Structure type figure.
Fig. 2 is that the pile diameter of pre-poured stake is equal to prefabricated pile diameter structure form figure.
Fig. 3 is pre-poured stake without concrete or Fig. 1 of cement mixture filler structure type figure.
Fig. 4 is that the pile diameter of pre-poured stake is more than prefabricated pile diameter docking structure form figure.
Fig. 5 is the method A construction process figures of pre-poured stake and its pile making method.
Fig. 6 is the method B construction process figures of pre-poured stake and its pile making method.
In figure, 1- bored concrete piles;2- prefabricated piles;3- Concrete Filled things;Pipe drilling tool in 4-;4-1- movable plates;5- outer tubes bore Tool;6- band supporting plate steel reinforcement cages;7- steel reinforcement cages.
Embodiment
Embodiment, referring to the drawings 1,2, the diameter of the top bored concrete pile 1 of pre-poured stake is more than the straight of bottom prefabricated pile 2 Footpath, and bored concrete pile 1 wrap up prefabricated pile 2 top, be provided with the junction of prefabricated pile 2 and bored concrete pile 1 according to design requirement or Concrete Filled thing 3 or cement mixture filler, or top bored concrete pile 1 and the diameter of the prefabricated pile of bottom 2 are not set It is identical.The pile making method of pre-poured stake is as follows, referring to the drawings 3, pile making method A:Step Aa, mobile stake machine, stake machine inner tube Drilling tool 4 and the align piles position of outer pipe drilling tool 5, the position of rig all around is adjusted, make a front and rear left side for rig mobile jib and outer pipe drilling tool 5 Right distance is consistent, props a machine hydraulic pressure leg and leveling pile machine, the perpendicularity of pipe drilling tool 4 in adjustment.Ab, using static pressure, hammering or The methods of vibration, inner and outer pipe drilling tool 4,5 is sunk into projected depth.Ac, start pipe drilling tool 4 in hoist engine proposition.Ad, from drilling tool The side wall of outer pipe drilling tool 5 or the top concrete perfusion filler 3 of outer pipe drilling tool 5, or pump concrete also may be used to design height To insert cement mix filler 3 to design height from the outer side wall of pipe drilling tool 5 or top by design requirement.When using cement mix Start hoist engine during thing filler 3, interior pipe drilling tool 4 is lifted and is returned in outer pipe drilling tool 5, using static pressure, hammering or vibration etc. Method, propose after compacting cement mixture filler 3 in pipe drilling tool 4.Ae, prefabricated pile 1 sling, be put into outer pipe drilling tool 5.Af、 When prefabricated pile 1 is using prestressed concrete pipe pile, band supporting plate steel reinforcement cage 6 is placed at the top of pile for prestressed pipe, in prestressed pipe Stake top portion irrigates inner concrete, and consolidates, and can also omit the step according to design requirement.Ag, remove the interior bottom of pipe drilling tool 4 The movable plate 4-1 in portion, interior pipe drilling tool 4 is aligned at the top of prefabricated pile 2, the perpendicularity of pipe drilling tool 4 in adjustment, using static pressure, hammering Or interior pipe drilling tool 4 is sunk to projected depth by the methods of vibration, then pipe drilling tool 4 in proposition, completes the construction of bottom prefabricated pile 2. Ah, steel reinforcement cage 7 is put into outer pipe drilling tool 5, concrete perfusion, steel reinforcement cage 7 can not also be put according to design requirement.Ai, in The TOC that pipe drilling tool 4 is put back in outer pipe drilling tool 5, transfer to outer pipe drilling tool 5 to complete the subsequent construction of stake, formed pre-poured Stake.Aj, when without underground water, by design requirement, it is convenient to omit method Aa steps, complete the construction of pre-poured stake.
Referring to the drawings 4, pile making method B:Step Ba, mobile stake machine is in place, lifts by crane prefabricated pile 2, and align piles position, adjustment The distance of stake machine all around, makes the distance of a machine all around consistent with prefabricated pile 2, leveling pile machine, adjustment prefabricated pile 2 Perpendicularity, prefabricated pile 2 is sunk into ground surface;Aforesaid operations can be repeated first to have constructed prefabricated pile 2, two stakes can also be used Machine a, wherein construction for specially carrying out prefabricated pile 2.Bb, when prefabricated pile 2 using prestressed concrete pipe pile when, pushed up in prefabricated pile 2 Band supporting plate steel reinforcement cage 6 is placed in portion, and places steel reinforcement cage 7, inner concrete at the top of perfusion prestressed concrete pipe pile, jolt ramming coagulation Soil, the step can also be omitted according to design requirement.Bc, by with inner and outer pipe drilling tool 4,5 drilling tool alignment prefabricated pile 2 push up Portion, and adjust the perpendicularity of inner and outer pipe drilling tool 4,5.Bd, using static pressure, hammering or vibration the methods of inner and outer pipe drilling tool 4,5 Projected depth is sunk to, then prefabricated pile 2 also sinks to projected depth therewith, completes the construction of prefabricated pile 2.Pipe drilling tool 4 in Be, dial-out, It is put into steel reinforcement cage 7 and concrete perfusion forms bored concrete pile 1, can not also puts steel reinforcement cage 7 according to design.Bf, sling interior pipe drilling tool 4 are put into the top of the outer inner concrete of pipe drilling tool 5, transfer to outer pipe drilling tool 5, complete the subsequent construction of stake, form pre-poured stake. Bg, when the outer diameter of pipe drilling tool 5 is more than bottom 2 diameter of prefabricated pile, can also form the pre-poured stake of Ah formulas.Bh, when outer tube bore Have 5 diameters and be more than the diameter of bottom prefabricated pile 2, when being wrapped up in the range of 4, the 5 pairs of top of prefabricated piles 2 design lengths of inner and outer pipe drilling tool, The pre-poured stake of Ai formulas can be formed.

Claims (1)

1. a kind of pile making method of pre-poured stake, it is characterised in that the bottom of stake is prefabricated pile(2), top is bored concrete pile(1); The bored concrete pile of its middle and upper part(1)Diameter be more than bottom prefabricated pile(2)Diameter and make bored concrete pile(1)Parcel or not pre- Stake processed(2)Upper end, in prefabricated pile(2)And bored concrete pile(1)Junction Concrete Filled thing is provided with according to design requirement(3), Top bored concrete pile(1)Diameter is more than or equal to bottom prefabricated pile(2)Diameter, bored concrete pile(1)Lower end and prefabricated pile(2)Upper end pair Connect, the pile making method of described pre-poured stake is as follows:Aa, the inner and outer pipe drilling tool stake machine(4、5)Align piles position, adjustment are bored The perpendicularity of tool;Ab, using static pressure, hammering or method for oscillating by inner and outer pipe drilling tool(4、5)Sink to projected depth;Ac, start volume Raise pipe drilling tool in machine proposition(4);Ad, from outer pipe drilling tool(5)Side wall or outer pipe drilling tool(5)Top concrete perfusion filler(3) To design height, start hoist engine and lift interior pipe drilling tool(4), put back to outer pipe drilling tool(5)It is interior, using static pressure, hammering or vibration side Method rammed concrete filler(3)Pipe drilling tool in transfering to afterwards(4);Ae, by prefabricated pile(2)Sling, be put into outer pipe drilling tool(5)It is interior; Af, in Concrete Filled thing(3)Band supporting plate steel reinforcement cage is placed at the top of pile tube(6), inner concrete filling is irrigated at the top of pile tube Thing(3)And consolidate;Ag, remove interior pipe drilling tool(4)The movable plate of bottom(4-1), interior pipe drilling tool(4)It is directed at prefabricated pile(2)Top Portion, pipe drilling tool in adjustment(4)Perpendicularity, using static pressure, hammering or method for oscillating, interior pipe drilling tool(4)Sink to projected depth, Prefabricated pile(2)Also projected depth is sunk to therewith, then pipe drilling tool in proposition(4), form bottom prefabricated pile(2);Ah, outer tube bore Tool(5)Inside it is put into steel reinforcement cage(7), irrigate pile body Concrete Filled thing(3);Pipe drilling tool in Ai, lifting(4), interior pipe drilling tool(4) Put back to outer pipe drilling tool(5)Interior Concrete Filled thing(3)Top, transfer to outer pipe drilling tool(5)The subsequent construction of stake is completed, is formed pre- Bored concrete pile processed;Aj, when without underground water, by design requirement, do not take Ad steps, complete pre-poured stake.
CN201510127916.8A 2015-03-24 2015-03-24 The pile making method of pre-poured stake Active CN106149709B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109056712A (en) * 2018-07-27 2018-12-21 徽都建设有限公司 A kind of construction technology of structure foundation processing pile

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2313959Y (en) * 1996-05-24 1999-04-14 邹宗煊 Cement-soil hard cored composite pile for fountain
CN201137068Y (en) * 2007-11-09 2008-10-22 王国奋 Impact force resistant pipe caisson filling pile for high-rise building
JP2014122491A (en) * 2012-12-21 2014-07-03 Asahi Kasei Construction Materials Co Ltd Method of increasing horizontal resistance force of precast concrete pile foundation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2313959Y (en) * 1996-05-24 1999-04-14 邹宗煊 Cement-soil hard cored composite pile for fountain
CN201137068Y (en) * 2007-11-09 2008-10-22 王国奋 Impact force resistant pipe caisson filling pile for high-rise building
JP2014122491A (en) * 2012-12-21 2014-07-03 Asahi Kasei Construction Materials Co Ltd Method of increasing horizontal resistance force of precast concrete pile foundation

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