CN104153354A - Pile cylinder structure of variable-diameter cylindrical pile and construction method of cylindrical pile - Google Patents
Pile cylinder structure of variable-diameter cylindrical pile and construction method of cylindrical pile Download PDFInfo
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- CN104153354A CN104153354A CN201410186262.1A CN201410186262A CN104153354A CN 104153354 A CN104153354 A CN 104153354A CN 201410186262 A CN201410186262 A CN 201410186262A CN 104153354 A CN104153354 A CN 104153354A
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Abstract
The invention relates to basic civil engineering and discloses a pile cylinder structure of a variable-diameter cylindrical pile and a construction method of the cylindrical pile. The pile cylinder structure of the variable-diameter cylindrical pile comprises an inner pile cylinder body, an outer pile cylinder body and pile shoes. The pile cylinder structure of the variable-diameter cylindrical pile is characterized in that the outer pile cylinder body is of a big-end-up cylinder structure. By the adoption of the outer pile cylinder body, when the pile is pulled, concrete is poured in the outer pile cylinder body in a funnel-shaped mode, in this way, the density of concrete is guaranteed, the problem that concrete needs to be supplemented in the air during pile pulling is avoided, and the construction processes are simplified. According to the construction method adopting the pile cylinder structure of the cylindrical pile, the inner pile cylinder body provided with the corresponding pile shoe and the outer pile cylinder body provided with the corresponding pile shoe are hit into a foundation through special mechanical equipment, concrete is poured into the body of the pile, and when a gap is generated between the outer pile cylinder body and the foundation during pile pulling, the gap is backfilled with sandy soil till a pile cylinder is pulled out completely.
Description
Technical field
The present invention relates to building Foundation Design, relate in particular the structure of a kind of stake stake cylinder and the construction method of cylinder stake.
Background technology
Cylinder stake is owing to saving material, and the feature such as construct fast is widely used in the construction of building Foundation Design.The Chinese patent that for example application number is 03128977.0: the perforating device and the construction method thereof that disclose a kind of concrete tube stake with fixture, described perforating device includes device for exerting, internal wall protecting casing, side is provided with the outer protection casing of perfusing hole, in described, outer protection casing lower end cover has a boots, also include two steel pipe pile fixtures, described two steel pipe pile fixtures include chuck crossbeam, chuck is movably connected in described crossbeam below, described chuck includes strap and removable moving clamping plate, described moving clamping plate are flexibly connected with strap, hydraulic jack is fixedly connected with described moving clamping plate, also include the voussoir coordinating with described chuck, in described voussoir is embedded in, in the cylinder hole that outer protection casing forms.Applying a construction method for said apparatus, is mainly first to punch, then places reinforcing cage, rear concrete perfusion.The Chinese patent that for example application number is 200810304721.6 again: relate to the stake of a kind of major diameter cast-in-place concrete thin-walled tooth-shaped tubular, pile making device and pile forming method, it utilizes special mechanical equipment in ground, to form major diameter tooth-shaped tubular hole, then configuration reinforcement cage concrete perfusion and the thin-walled tooth-shaped tubular stake of moulding on the spot in cylinder hole.What do not configure reinforcing cage is called the stake of the cast-in-place plain concrete thin-walled tooth-shaped tubular of major diameter, is called for short the stake of plain concrete tooth-shaped tubular.But these stakes are in construction when ubiquity pile pulling, the problem of pile body inner concrete disappearance, due to the space of interior stud cylinder steel plate, when piling, the soil that gushes of inner core waits the reasons such as the native density reduction that causes, in the time of pile pulling, often need to supplement the concrete of total amount 5%-20%, as shown in Figure of description 1,2.In other words, pile pulling limit, limit supplements concrete, and interior stud cylinder raises 5 meters of left and right also at supplementary concrete.Next is these stakes, and on pile body, lower section is identical, and the problem that bearing capacity is single does not meet the load bearing requirements of basic pile foundation.
Summary of the invention
The present invention solves in prior art in the time of the pile pulling of cylinder pile driving construction, the problem of pile body inner concrete disappearance, due to the space of interior stud cylinder steel plate, when piling, the soil that gushes of inner core waits the reasons such as the native density reduction that causes, often needs to supplement the concrete of total amount 5%-20%, in other words in the time of pile pulling, pile pulling limit, limit supplements concrete, interior stud cylinder raises 5 meters of left and right also at supplementary concrete, causes constructional difficulties, the invention provides the structure of a kind of stake stake cylinder and the construction method of cylinder stake for this reason.
Another object of the present invention is that to solve in prior art on cylinder stake pile body lower section identical, and the problem that bearing capacity is single provides a kind of cylinder stake and construction method thereof of reducing, and a bearing capacity for cylinder stake is progressively improved from bottom to top, more meets the requirement of Foundation Design.
In order to solve the problems of the technologies described above, the technical scheme that the present invention takes is: a kind of cylinder stake stake barrel structure, and stake cylinder, stud cylinder in bag, shoe, is characterized in that: described stud cylinder is up big and down small tubular construction.Use this stud cylinder, in the time of pile pulling, the concrete in cylindrical shell is that funnel-form is filled, and has ensured concrete density, and the aerial supplementary concrete problem having occurred while simultaneously having avoided pile pulling, has simplified construction technological process.
Preferably, described stud cylinder is conical cylinder body structure.This stud cylinder may produce the pile body structure of sugarcane shape.Taper cylindrical shell, than traditional cylindrical barrel body, increases the concrete capacity of 5%-20%.
Preferably, described stud cylinder is top taper cylindrical shell lower joint pin shape tubular construction.This stud cylinder may avoid producing the pile body structure of sugarcane shape.Taper cylindrical shell, than traditional cylindrical barrel body, increases the concrete capacity of 5%-20%.
Preferably, described stud cylinder is the more piece combining structure of cylindrical barrel body, taper cylindrical shell and cylindrical barrel body.This stud cylinder is because upper and lower two ends are cylindrical barrel body, and structure is more reasonable, the construction of being more convenient for.This combined barrel, than traditional cylindrical barrel body, increases the concrete capacity of 5%-20%.
Apply a kind of construction method of above-mentioned cylinder stake stake barrel structure, utilize special mechanical equipment in ground, to squeeze into the interior stud cylinder with shoe, in pile body, inject concrete, in pile pulling process, when stud cylinder and ground produce gap, toward backfill sand in gap, until stake tin is all extracted.So just avoid in the time of pile pulling, need to use the concrete problem of the empty interpolation of cement pump overall height, reduced construction cost.Backfill sand described here, preferably backfill sand, because the mobility of sand is better, more favourable gap filling, the concrete in cylindrical shell is convenient to permeate in gap simultaneously, has increased the conjugation of cylinder stake with soil, and then has improved the bearing capacity of cylinder stake.
Apply the another kind of construction method of above-mentioned cylinder stake stake barrel structure, utilize special mechanical equipment in ground, to squeeze into the interior stud cylinder with shoe, in pile body, inject concrete, in pile pulling process, continue toward the concrete of the 5%-20% of the interior filling concrete total amount of pile body, until stake cylinder is all extracted, form the cylinder stake of upper coarse and lower fine reducing.Because stake cylinder is in the time squeezing into ground, form up big and down small space, in the time of pile pulling, continue toward filling concrete in pile body, concrete like this pressure will be greater than the pressure of the outer ground soil property of cylindrical shell, therefore concrete will filling stake cylinder be extracted the space of generation, so just formed the cylinder stake of upper coarse and lower fine reducing, its bearing capacity is progressively strengthened from bottom to top, more meets the requirement of foundation pile.
Preferably, when described stake cylinder pulls out certain height, in the cavity of stud cylinder and ground, put into reinforcing cage, then continue pile pulling until stake cylinder is all extracted.Along with stake cylinder pulls up, the bottom of stake cylinder has been full of concrete, in the cavity of stud cylinder and ground, puts into reinforcing cage, then continues pile pulling until stake cylinder is all extracted, and the periphery on the cylinder stake top of this reducing has just had reinforcing cage, and its supporting capacity is higher.This reinforcing cage can be local, can be also that the splicing of 2-3 sheet is conglobate.The height that this is certain, surplus final section below extracting conventionally, or extract more than 2/3rds.
Apply above-mentioned construction method, the cylinder pilework of formation is that the cylinder stake of described reducing is hollow Rotary-table.
Apply above-mentioned construction method, the cylinder pilework of formation is that the cylinder stake of described reducing is combined by the identical hollow cylinder of internal diameter and hollow Rotary-table.
Owing to taking above-mentioned technical scheme, when making a tin pile driving construction, the structure that the invention provides a kind of stake stake cylinder avoid high-altitude to add concrete method, reduce construction cost; A kind of construction method of reducing cylinder stake is provided simultaneously, has made the bearing capacity of cylinder stake higher, more met the requirement of basic pile foundation.
brief description of the drawings:
Accompanying drawing 1 injects concrete schematic diagram for conventional cartridge stake;
Accompanying drawing 2 is the structural representation after conventional cartridge stake pile;
Accompanying drawing 3 is the schematic diagram 1 of the first construction method injection cement of the present invention;
The schematic diagram 1 that accompanying drawing 4 is the first construction method of the present invention pile pulling;
The schematic diagram 1 that accompanying drawing 5 is the first construction method pile of the present invention;
Accompanying drawing 6 is the schematic diagram 2 of the first construction method injection cement of the present invention;
The schematic diagram 2 that accompanying drawing 7 is the first construction method of the present invention pile pulling;
The schematic diagram 2 that accompanying drawing 8 is the first construction method pile of the present invention;
Accompanying drawing 9 is the schematic diagram 1 of the second construction method injection cement of the present invention;
The schematic diagram 1 that accompanying drawing 10 is the second construction method pile of the present invention;
Accompanying drawing 11 is the schematic diagram 2 of the second construction method injection cement of the present invention;
The schematic diagram 2 that accompanying drawing 12 is the second construction method pile of the present invention;
Accompanying drawing 13 is the schematic diagram 3 of the second construction method injection cement of the present invention; ;
Accompanying drawing 14 is the schematic diagram 3 of the second construction method placement reinforcing cage of the present invention;
The schematic diagram 3 that accompanying drawing 15 is the second construction method pile of the present invention;
In figure: ground 00, shoe 10, stud cylinder 20, interior stake cylinder 30, concrete 40, backfill sand 50, reinforcing cage 60.
detailed description of the invention:
Consult accompanying drawing, the present invention be described in further detail:
Embodiment mono-: by reference to the accompanying drawings 3,4,5, a kind of stud cylinder (20) being formed by three joint textural associations of cylindrical barrel body, taper cylindrical shell and cylindrical barrel body, jointly squeezed in ground (00) by special mechanical equipment with shoe (10), interior stake cylinder (30), in cylindrical shell, inject concrete (40); Utilize special mechanical equipment to carry out pile pulling, after conical cylinder body is above ground level, when stud cylinder (20) and ground (00) produce gap, toward backfill sand in gap, until stake tin is all extracted.After solidifying, concrete just forms cylinder stake.Because the space forming between the taper cylindrical shell on stud cylinder (20) top and cylindrical barrel body and interior stake cylinder (30) is larger, can hold more concrete (40), therefore can be full of required concrete (40) amount of cylinder stake completely, the way of having avoided supplementing concrete (40) in pile pulling process.
Embodiment bis-: by reference to the accompanying drawings 6,7,8, a kind of stud cylinder (20) being made up of taper cylindrical shell and cylindrical barrel body, is squeezed in ground (00) by special mechanical equipment jointly with shoe (10), interior stake cylinder (30), in cylindrical shell, injects concrete (40); Utilize special mechanical equipment to carry out pile pulling, in the time that stud cylinder (20) and ground (00) produce gap, toward backfill sand in gap, until stake tin is all extracted.After solidifying, concrete just forms cylinder stake.Because the space forming between the taper cylindrical shell of stud cylinder (20) and interior stake cylinder (30) is larger, can hold more concrete (40), therefore can be full of required concrete (40) amount of cylinder stake completely, the way of having avoided supplementing concrete (40) in pile pulling process.
Embodiment tri-: by reference to the accompanying drawings 9,10, a kind of stud cylinder (20) is taper cylindrical shell, is jointly squeezed in ground (00) by special mechanical equipment with shoe (10), interior stake cylinder (30), in cylindrical shell, injects concrete (40); Utilize special mechanical equipment to carry out pile pulling, continue toward the concrete (40) of the 5%-20% of interior filling concrete (40) total amount of pile body, until stake cylinder is all extracted, after concrete (40) solidifies, just formed cylinder.Because stake cylinder is in the time squeezing into ground, form up big and down small space, in the time of pile pulling, continue toward filling concrete (40) in pile body, the pressure of concrete (40) will be greater than the pressure of outer ground (00) soil property of cylindrical shell like this, therefore concrete (40) will filling stake cylinder be extracted the space of generation, so just formed the cylinder stake of upper coarse and lower fine reducing, its bearing capacity is progressively strengthened from bottom to top, more meets the requirement of foundation pile.
Embodiment tetra-: by reference to the accompanying drawings 11,12, a kind of stud cylinder (20) being formed by five joint textural associations of cylindrical barrel body, taper cylindrical shell, cylindrical barrel body, taper cylindrical shell and cylindrical barrel body, all the other are identical with embodiment tri-, repeat no more here.
Embodiment five: by reference to the accompanying drawings 13,14,15, a kind of by cylindrical barrel body, a kind of stud cylinder (20) being formed by three joint textural associations of cylindrical barrel body, taper cylindrical shell and cylindrical barrel body, jointly squeezed in ground (00) by special mechanical equipment with shoe (10), interior stake cylinder (30), in cylindrical shell, inject concrete (40), utilize special mechanical equipment to carry out pile pulling, continue toward the concrete (40) of the 5%-20% of interior filling concrete (40) total amount of pile body, be raised to after certain altitude until taper cylindrical shell, in the space of stud cylinder (20) cylindrical barrel body position and ground (00), place the reinforcing cage (60) in two halves garden, be welded into after annular, put into the cavity that stud cylinder (20) and ground (00) form, continue pile pulling until stake cylinder is all extracted, concrete (40) will filling stake cylinder be extracted the space of generation, so just having formed outer ring, top has the reducing cylinder stake of reinforcing cage (60), its bearing capacity is progressively strengthened from bottom to top, more meet the requirement of foundation pile.
Above-described five specific embodiments, are described in detail the present invention.Applied specific embodiment herein principle of the present invention and embodiment are set forth, the explanation of embodiment is just for helping to understand core concept of the present invention.Should be understood that; for those skilled in the art, do not departing under the prerequisite of core concept of the present invention, can also carry out some modifications to the present invention; the such as combinations of the various shape and structures of stud cylinder etc., within should dropping on the protection domain of the claims in the present invention.
Claims (9)
1. a stake barrel structure for reducing cylinder stake, in bag, stake cylinder, stud cylinder, shoe, is characterized in that: described stud cylinder is the up big and down small tubular construction of diameter.
2. the stake barrel structure of a kind of reducing cylinder stake according to claim 1, is characterized in that: described stud cylinder is conical cylinder body structure.
3. the stake barrel structure of a kind of reducing cylinder stake according to claim 1, is characterized in that: described stud cylinder is top taper cylindrical shell lower joint pin shape tubular construction.
4. the stake barrel structure of a kind of reducing cylinder stake according to claim 1, is characterized in that: described stud cylinder is the more piece combining structure of cylindrical barrel body, taper cylindrical shell and cylindrical barrel body.
5. application rights requires a kind of construction method of the stake barrel structure of reducing cylinder stake described in 1, it is characterized in that: utilize special mechanical equipment in ground, to squeeze into the interior stud cylinder with shoe, in pile body, inject concrete, in pile pulling process, when stud cylinder and ground produce gap, toward backfill sand in gap, until stake cylinder is all extracted.
6. application rights requires the another kind of construction method of the stake barrel structure of reducing cylinder stake described in 1, it is characterized in that: utilize special mechanical equipment in ground, to squeeze into the interior stud cylinder with shoe, in pile body, inject concrete, in pile pulling process, continue toward the concrete of the 5%-20% of the interior filling concrete total amount of pile body, until stake cylinder is all extracted, form the cylinder stake of upper coarse and lower fine reducing.
7. construction method according to claim 6, is characterized in that: when described stake cylinder pulls out certain height, in the cavity of stud cylinder and ground, put into reinforcing cage, then continue pile pulling until stake cylinder is all extracted.
8. according to the cylinder pilework that construction method forms of stating of claim 6, it is characterized in that: the cylinder stake of described reducing is hollow Rotary-table.
9. according to the cylinder pilework that construction method forms of stating of 6 or 7 of claims, it is characterized in that: the cylinder stake of described reducing is combined by the identical hollow cylinder of internal diameter and hollow Rotary-table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410186262.1A CN104153354A (en) | 2014-05-06 | 2014-05-06 | Pile cylinder structure of variable-diameter cylindrical pile and construction method of cylindrical pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410186262.1A CN104153354A (en) | 2014-05-06 | 2014-05-06 | Pile cylinder structure of variable-diameter cylindrical pile and construction method of cylindrical pile |
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| CN104153354A true CN104153354A (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410186262.1A Pending CN104153354A (en) | 2014-05-06 | 2014-05-06 | Pile cylinder structure of variable-diameter cylindrical pile and construction method of cylindrical pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109183831A (en) * | 2018-08-30 | 2019-01-11 | 广东省建筑设计研究院 | Become the multistage load stake of stake diameter string hole and its construction method |
Citations (7)
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|---|---|---|---|---|
| CN1438389A (en) * | 2003-02-18 | 2003-08-27 | 吴德利 | Flapper type pile-shoe barrel-pile pore-forming device and prefabricated-pile-shoe free barrel-pile construction method |
| CN2619974Y (en) * | 2003-05-28 | 2004-06-09 | 姜贤放 | Cylinder type pedestal pile shoe |
| CN101781892A (en) * | 2010-02-01 | 2010-07-21 | 河海大学 | Combined pile of pre-stressed wedge-shaped pipe pile and pre-stressed pipe pile |
| GB2479237A (en) * | 2010-04-01 | 2011-10-05 | Abbey Pynford Holdings Ltd | A foundation pile with ridges or channels |
| CN103321215A (en) * | 2013-05-15 | 2013-09-25 | 李胜南 | Construction technology of cast-in-situ concrete tubular pile applied to water area, as well as special hole-forming device of construction technology |
| CN103510511A (en) * | 2013-09-26 | 2014-01-15 | 鸿厦建设有限公司 | Top-reinforced cast-in-place concrete thin-wall pipe pile and construction method |
| CN203924042U (en) * | 2014-05-06 | 2014-11-05 | 宁波职业技术学院 | A kind of stake barrel structure of reducing cylinder stake |
-
2014
- 2014-05-06 CN CN201410186262.1A patent/CN104153354A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1438389A (en) * | 2003-02-18 | 2003-08-27 | 吴德利 | Flapper type pile-shoe barrel-pile pore-forming device and prefabricated-pile-shoe free barrel-pile construction method |
| CN2619974Y (en) * | 2003-05-28 | 2004-06-09 | 姜贤放 | Cylinder type pedestal pile shoe |
| CN101781892A (en) * | 2010-02-01 | 2010-07-21 | 河海大学 | Combined pile of pre-stressed wedge-shaped pipe pile and pre-stressed pipe pile |
| GB2479237A (en) * | 2010-04-01 | 2011-10-05 | Abbey Pynford Holdings Ltd | A foundation pile with ridges or channels |
| CN103321215A (en) * | 2013-05-15 | 2013-09-25 | 李胜南 | Construction technology of cast-in-situ concrete tubular pile applied to water area, as well as special hole-forming device of construction technology |
| CN103510511A (en) * | 2013-09-26 | 2014-01-15 | 鸿厦建设有限公司 | Top-reinforced cast-in-place concrete thin-wall pipe pile and construction method |
| CN203924042U (en) * | 2014-05-06 | 2014-11-05 | 宁波职业技术学院 | A kind of stake barrel structure of reducing cylinder stake |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109183831A (en) * | 2018-08-30 | 2019-01-11 | 广东省建筑设计研究院 | Become the multistage load stake of stake diameter string hole and its construction method |
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Application publication date: 20141119 |