CN107190737A - A kind of construction technology of high intensity mould bag stake - Google Patents
A kind of construction technology of high intensity mould bag stake Download PDFInfo
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- CN107190737A CN107190737A CN201710538573.3A CN201710538573A CN107190737A CN 107190737 A CN107190737 A CN 107190737A CN 201710538573 A CN201710538573 A CN 201710538573A CN 107190737 A CN107190737 A CN 107190737A
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- Prior art keywords
- mould bag
- pile body
- pile
- stake
- diameter
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
- E02D5/44—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds with enlarged footing or enlargements at the bottom of the pile
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
Abstract
The present invention relates to a kind of construction technology of high intensity mould bag stake, comprise the following steps：Large aperture cylindrical hole is drilled with Mud Ground using rig；Pile body mould bag is installed in heavy caliber cylindrical hole, and a bottom mould bag is nested with the lower end of pile body mould bag；Hollow core pile or solid core stake are set in pile body mould bag；It is in the milk by pile body grout pipe to being controlled property between pile body mould bag and hollow core pile outer wall, pile body mould bag is expanded and is extruded mud, and is filled filler into hollow core pile and be in the milk by ipe grout pipe；Or be in the milk by pile body grout pipe to being controlled property between pile body mould bag and solid core stake outer wall, pile body mould bag is expanded and is extruded mud；By base grouting pipe to bottom mould bag perfusion filling paste, continue to irrigate paste after mould bag perfusion in bottom is full, make paste from the upper port extrusion of bottom mould bag and up along the outer wall of mould bag pile body, to form Zhuan Zhou mud hardenings area.The construction technology is conveniently used for the mould bag stake of processing high intensity.
Description
Technical field
The present invention relates to a kind of construction technology of high intensity mould bag stake.
Background technology
The bag stake of existing mould is due to the problem of bore diameter Ф 150 and the ratios of mould bag stake design stake footpath Ф 500 are present, mould bag
Stake is in forming process, and stake footpath increases to 500mm by grout pipe caliber 50mm, and increment is 3 times of bore diameter（n1）；Mould bag stake
The grouting scale of construction（Grout pipe is between mould bag）It is 10.1 times of the drilling scale of construction（n2）.From situation analysis is excavated, the diameter of pile body is difficult
In control, pile quality it is difficult to ensure that, and mould bag stake only have mould bag and hardening after cement mortar composition, intensity be difficult to meet knot
Structure requirement, application limitation is big.For this reason, it may be necessary to a kind of high intensity mould bag stake.
The content of the invention
It is an object of the invention to provide a kind of construction technology of high intensity mould bag stake, it is adaptable to builds high intensity mould bag
Stake.
Technical program of the present invention lies in：A kind of construction technology of high intensity mould bag stake, comprises the following steps：
1）Positioning beam is set in Mud Ground, and large aperture cylindrical hole is drilled with using rig；
2）Pile body mould bag is installed in heavy caliber cylindrical hole, and a bottom mould bag is nested with the lower end of pile body mould bag；
3）Hollow core pile or solid core stake are set in pile body mould bag；
4）Pile body grout pipe, the base grouting pipe of pile body bottom expanding reach of pile body enlarged body are installed in the inside of hollow core pile
And the ipe grout pipe inside hollow core pile, oriented hollow core is set along its axially spaced-apart on the side wall of the pile body grout pipe
The grout hole and its passage of grout injection between heart stake outer wall and pile body mould bag, the lower end of the bottom grout pipe stretch out hollow
The bottom of core pile simultaneously enters bottom mould bag；
Or installed between solid core stake and pile body mould bag for priming petock between solid core stake outer wall and pile body mould bag
The pile body grout pipe of mud and lower end stretch out solid core stake bottom and enter the base grouting pipe of bottom mould bag；
5）It is in the milk by pile body grout pipe to being controlled property between pile body mould bag and hollow core pile outer wall, expands pile body mould bag
It is big and extrude mud, and fill filler into hollow core pile and be in the milk by ipe grout pipe；
Or be in the milk by pile body grout pipe to being controlled property between pile body mould bag and solid core stake outer wall, expand pile body mould bag
It is big and extrude mud；
6）By base grouting pipe to bottom mould bag perfusion filling paste, continue to irrigate paste after mould bag perfusion in bottom is full
Thing, makes paste from the upper port extrusion of bottom mould bag and up along the outer wall of mould bag pile body, to form Zhuan Zhou mud hardenings area.
Further, irrigated between pile body mould bag and hollow core pile or the outer wall of solid core stake to be hardenable
Paste cement mortar；The paste of the bottom mould bag perfusion filling is hardenable paste cement mortar or the paste of addition stone flour
Cement mortar.
Further, the grouting body between the pile body mould bag and hollow core pile outer wall and hollow core pile and its inside
Grouting body formation reinforcement structure layer, or grouting body between pile body mould bag and solid core stake outer wall and solid core stake formed
Reinforcement structure layer；The diameter of bottom mould bag is more than the diameter of pile body mould bag, and pile body bottom is formed after the hardening of bottom form sack grouting
Enlarged footing.
Further, filler is filled in the inside of hollow core pile, the filler is matched somebody with somebody by >=60% thick, fine aggregate level
Stone and≤40% hardenable paste cement mortar are constituted.
Further, steel reinforcement cage is first set in hollow core pile, refills filler.
Further, aperture >=300mm of the large aperture cylindrical hole, hole depth >=6m；The diameter of the pile body mould bag >=
330mm, diameter >=500mm of the bottom mould bag.
Further, the hollow core pile is large-diameter steel pipe, ring is got through mao bamboon or macromolecule tubing；It is described big
A diameter of 219mm of bore steel pipe, length >=6m；A diameter of 100 ~ 150mm of the mao bamboon, length >=6m；The macromolecule
The diameter of tubing is more than 200mm, length >=6m.
Further, the length >=6m, a diameter of 32mm of the pile body grout pipe and ipe grout pipe；The base grouting
Length >=8m of pipe, a diameter of 32mm.
Further, solid core stake is solid log, and a diameter of 100 ~ 150mm, length >=6m.
Further, after treating the stake of mould bag all perfusion being completed, carry out pouring in the upper end of pile body mould bag pile block collar beam with
Form overall；The pile block collar beam is reinforced concrete circle beam.
Compared with prior art, the present invention has advantages below：The construction technology of the high intensity mould bag stake is simple, convenient
For building the bag stake of high intensity mould, the pile body of shaping not only compact conformation, by increasing steel between pile body mould bag and grout pipe
Pipe or mao bamboon etc. improve the intensity of pile body, and the controlled diameter of pile body, and the pile body of pile is uniform, prevent mould bag stake pile body occur
Local excessive or too small situation, while cost is low.Can effectively meet muck foundation based process, build retaining wall, enclosure wall,
The structural requirements such as bearing pile；Both the basement process of existing building and new building had been can be applied to, mud geology bar is can also be applied to
The pattern foundation pit supporting structure of part, Channel slope such as reinforce at the engineering, due to reliable in quality when using, it is not necessary to using solid matter arrangement, and pilespacing can be with
It is appropriate to increase.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment one of the present invention；
Fig. 2 is Fig. 1 of present invention A-A sectional views；
Fig. 3 is the structural representation of embodiments of the invention two；
Fig. 4 is Fig. 3 of present invention B-B sectional views；
Fig. 5 is the structural representation of embodiments of the invention three；
Fig. 6 is Fig. 5 of present invention C-C sectional views；
Fig. 7 is the structural representation of embodiments of the invention four；
Fig. 8 is Fig. 7 of present invention D-D sectional views；
In figure：12- surrounding mud hardening area 21- large-diameter steel pipes 22- of 11- all mud crush zones of 10- pile bodies mould bag
The solid log 28- steel reinforcement cages 30- pile body grout pipes of paste cement mortar 23- filler 24- mao bamboon 26- macromolecule tubing 27-
35- base grouting pipe 39- ipe grout pipe 40- enlarged footing 41- bottoms mould bag 42- paste 50- pile block collar beams.
Embodiment
For the features described above and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing, make detailed
Carefully it is described as follows, but the present invention is not limited thereto.
Embodiment one refers to Fig. 1 and Fig. 2.
A kind of construction technology of high intensity mould bag stake, comprises the following steps：
1）Positioning beam is set in Mud Ground, and large aperture cylindrical hole is drilled with using rig, can make macropore by positioning grade beam
Footpath cylindrical hole ensures perpendicularity；
2）Pile body mould bag 10 is installed in heavy caliber cylindrical hole, and a bottom mould bag 41 is nested with the lower end of pile body mould bag；
3）Large-diameter steel pipe 21 is set in pile body mould bag；
4）Pile body grout pipe 30, the base grouting pipe of pile body bottom expanding reach of pile body enlarged body are installed inside large-diameter steel pipe
35, set on the side wall of the pile body grout pipe and irrigated between oriented large-diameter steel pipe outer wall and pile body mould bag along its axially spaced-apart
The grout hole and its passage of cement mortar, axially spaced be provided with of the side wall of ipe grout pipe are used for large-diameter steel pipe priming petock
Ipe grout pipe 39 and filter drainpipe are also set up in the grout hole of mud, large-diameter steel pipe.Stretch the lower end of the bottom grout pipe
Go out the bottom of large-diameter steel pipe and enter bottom mould bag；
5）It is in the milk by pile body grout pipe to being controlled property between pile body mould bag and the outer wall of large-diameter steel pipe, makes pile body mould bag
Expand and extrude mud, all mud crush zones 11 of stake are formed positioned at the outside of pile body mould bag, and to large-diameter steel casing pack
Filler 23 and it is in the milk by ipe grout pipe；
6）By base grouting pipe to bottom mould bag perfusion filling paste 42, continue to irrigate cream after mould bag perfusion in bottom is full
Shape thing, makes paste from the upper port extrusion of bottom mould bag and up along the outer wall of mould bag pile body, so that the periphery of mould bag pile body
Form Zhuan Zhou mud hardenings area 12.
In the present embodiment, irrigated between pile body mould bag and the outer wall of large-diameter steel pipe for hardenable paste cement
Slurry 22, to form uniform hardened layer.The protective layer of large-diameter steel pipe can be both served as after paste cement mortar hardening, again may be used
Expand pile body diameter.
In the present embodiment, the paste of the bottom mould bag perfusion filling is hardenable paste cement mortar or addition stone flour
Paste cement mortar, the grouting body between pile body mould bag and large-diameter steel pipe outer wall（Paste cement mortar）And large-diameter steel pipe（Fill out
Material）And its internal grouting body formation reinforcement structure layer；
In the present embodiment, the diameter of the bottom mould bag is more than the diameter of the pile body mould bag of parcel reinforcement structure layer, makes bottom mould
The enlarged footing 40 of pile body bottom can have both been formed after bag grouting hardening, can be used for irrigating paste to the mud around pile body mould bag again
Filler, so that providing bigger bottom for mould bag stake carries force area, improves the overall by force intensity of mould bag stake.
In the present embodiment, filler is filled in the inside of large-diameter steel pipe, the filler is matched somebody with somebody by >=60% thick, fine aggregate level
Stone（Such as middle stone, handstone）Hardenable paste cement mortar with≤40% is constituted.Pass through grouting process formation high intensity
Concrete, makes large-diameter steel pipe solidization form the core space of reinforcement structure.The overall by force intensity of mould bag stake is not only improved, and
And making that the external diameter of pile body mould bag is controllable by large-diameter steel pipe, force structure is well arranged, expands application.
In the present embodiment, aperture >=300mm of the large aperture cylindrical hole, hole depth >=6m；The diameter of the pile body mould bag
>=330mm, diameter >=500mm of the bottom mould bag；A diameter of 219mm of the large-diameter steel pipe, length >=6m；The stake
Length >=6m of body grout pipe and ipe grout pipe, a diameter of 32mm；Length >=8m of the base grouting pipe, it is a diameter of
32mm。
In the present embodiment, treat that the stake of mould bag all after perfusion completion, carries out pouring pile block collar beam in the upper end of pile body mould bag
50 to form entirety；The pile block collar beam is reinforced concrete circle beam, and relatively independent high-strength mould bag stake is formed into globality.
In a preferred embodiment, the aperture of the large aperture cylindrical hole is 300mm, and hole depth is 14m；The pile body mould bag
A diameter of 330mm, a diameter of 500mm of bottom mould bag；A diameter of 219mm of the large-diameter steel pipe, length is
14m；The length of the pile body grout pipe and ipe grout pipe is 14m, a diameter of 32mm；The length of the base grouting pipe is
16m, a diameter of 32mm.
Embodiment two refers to Fig. 3 and Fig. 4.
A kind of construction technology of high intensity mould bag stake, comprises the following steps：
1）Positioning beam is set in Mud Ground, large aperture cylindrical hole is drilled with using rig, can make large aperture by positioning grade beam
Cylindrical hole ensures perpendicularity；
2）Pile body mould bag 10 is installed in heavy caliber cylindrical hole, and a bottom mould bag 41 is nested with the lower end of pile body mould bag；
3）The mao bamboon 24 that ring is got through is set in pile body mould bag；
4）Installed in the inside of mao bamboon the pile body grout pipe 30 of pile body enlarged body, the base grouting pipe 35 of pile body bottom expanding reach and
Oriented mao bamboon outer wall and stake are set along its axially spaced-apart on ipe grout pipe 39 inside mao bamboon, the side wall of the pile body grout pipe
The grout hole and its passage of grout injection between body mould bag, the mao bamboon, which is internally provided with ipe grout pipe, to be used for mao bamboon sky
Carry out being additionally provided with filter drainpipe inside filling grouting, the mao bamboon at the heart.Mao bamboon is stretched out in the lower end of the bottom grout pipe
Bottom simultaneously enters bottom mould bag；
5）It is in the milk by pile body grout pipe to being controlled property between pile body mould bag and the outer wall of mao bamboon, pile body mould bag is expanded simultaneously
Mud is extruded, all mud crush zones 11 of stake are formed positioned at the outside of pile body mould bag, and fill filler 23 into mao bamboon and pass through
Ipe grout pipe is in the milk；
6）By base grouting pipe to bottom mould bag perfusion filling paste 42, continue to irrigate cream after mould bag perfusion in bottom is full
Shape thing, makes paste from the upper port extrusion of bottom mould bag and up along the outer wall of mould bag pile body, so that the periphery of mould bag pile body
Form Zhuan Zhou mud hardenings area 12.
In the present embodiment, irrigated between pile body mould bag and the outer wall of mao bamboon for hardenable paste cement mortar 22,
To form uniform hardened layer.The protective layer of mao bamboon can be both served as after paste cement mortar hardening, but extendible pile body is straight
Footpath.
In the present embodiment, the paste of the bottom mould bag perfusion filling is hardenable paste cement mortar or addition stone flour
Paste cement mortar.Grouting body between the pile body mould bag and the outer wall of mao bamboon（Paste cement mortar）With mao bamboon and its inside
Be in the milk body（Filler）Form reinforcement structure layer.
In the present embodiment, the diameter of the bottom mould bag is more than the diameter of the pile body mould bag of parcel reinforcement structure layer, makes bottom
The enlarged footing 40 of pile body bottom can have both been formed after portion's form sack grouting hardening, can be used for irrigating to the mud around pile body mould bag again
Paste filler, so that providing bigger bottom for mould bag stake carries force area, improves the overall by force intensity of mould bag stake.
In the present embodiment, filler, the stone that the filler is matched somebody with somebody by >=60% thick, fine aggregate level are filled in the inside of mao bamboon
（Such as middle stone, handstone）Hardenable paste cement mortar with≤40% is constituted.By grouting process, the coagulation of high intensity is formed
Soil, makes mao bamboon solidization, forms the core space of reinforcement structure.The overall by force intensity of mould bag stake is not only improved, and passes through hair
Bamboo makes the external diameter of pile body mould bag controllable, and the intensity for the toughness raising mould bag stake for passing through mao bamboon, makes pile body force structure level point
It is bright, expand application.
In the present embodiment, aperture >=200mm of the large aperture cylindrical hole, hole depth >=6m；The diameter of the pile body mould bag
>=230mm, diameter >=330mm of the bottom mould bag；A diameter of 100 ~ 150mm of the mao bamboon, length >=6m；The pile body
Length >=6m of grout pipe and ipe grout pipe, a diameter of 32mm；Length >=8m of the base grouting pipe, a diameter of 32mm.
In the present embodiment, treat that the stake of mould bag all after perfusion completion, carries out pouring pile block collar beam 50 in the upper end of mould bag stake
It is overall to be formed；The pile block collar beam is reinforced concrete circle beam, and relatively independent high-strength mould bag stake is formed into globality.
In a preferred embodiment, the aperture of the large aperture cylindrical hole is 200mm, and hole depth is 8m；The pile body mould bag
A diameter of 230mm, a diameter of 330mm of bottom mould bag；A diameter of 120mm of the mao bamboon, length is 6m；The stake
The length of body grout pipe and ipe grout pipe is 6m, a diameter of 32mm；The length of the base grouting pipe is 8m, a diameter of
32mm。
Embodiment three refers to Fig. 5 and Fig. 6.
A kind of construction technology of high intensity mould bag stake, comprises the following steps：
1）Positioning beam is set in Mud Ground, and large aperture cylindrical hole is drilled with using rig, can make macropore by positioning grade beam
Footpath cylindrical hole ensures perpendicularity；
2）Pile body mould bag 10 is installed in heavy caliber cylindrical hole, and a bottom mould bag 41 is nested with the lower end of pile body mould bag；
3）Macromolecule tubing 26 is set in pile body mould bag；
4）Pile body grout pipe 30, the base grouting of pile body bottom expanding reach of pile body enlarged body are installed in the inside of macromolecule tubing
Set oriented along its axially spaced-apart on ipe grout pipe 39 inside pipe 35 and macromolecule tubing, the side wall of the pile body grout pipe
The grout hole and its passage of grout injection between macromolecule outer pipe wall and pile body mould bag, the lower end of the bottom grout pipe is stretched
Go out macromolecule tubing and through the bottom of pile body mould bag hence into bottom mould bag；
5）It is in the milk by pile body grout pipe to being controlled property between pile body mould bag and the outer wall of macromolecule tubing, makes pile body mould bag
Expand and extrude mud, form all mud crush zones 11 of stake positioned at the outside of pile body mould bag, and fill into macromolecule tubing
Filler 23 and it is in the milk by ipe grout pipe；
6）By base grouting pipe to bottom mould bag perfusion filling paste 42, continue to irrigate cream after mould bag perfusion in bottom is full
Shape thing, makes paste from the upper port extrusion of bottom mould bag and up along the outer wall of mould bag pile body, so that the periphery of mould bag pile body
Form Zhuan Zhou mud hardenings area 12.
In the present embodiment, irrigated between pile body mould bag and the outer wall of macromolecule tubing for hardenable paste cement
Slurry 22, to form uniform hardened layer, can both serve as the protective layer of macromolecule tubing after paste cement mortar hardening, again may be used
Expand pile body diameter.The paste of the bottom mould bag perfusion filling is hardenable paste cement mortar or the paste of addition stone flour
Cement mortar.
In the present embodiment, the grouting body between the pile body mould bag and macromolecule outer pipe wall（Paste cement mortar）And high score
Sub- tubing and its grouting body of inside（Filler）Form reinforcement structure layer；The diameter of the bottom mould bag is more than parcel reinforcement structure
The diameter of the pile body mould bag of layer, can both form the enlarged footing 40 of pile body bottom after making bottom form sack grouting hardening, can be used for again
Paste filler is irrigated to the mud around pile body mould bag, so that providing bigger bottom for mould bag stake carries force area, is improved
The entirety of mould bag stake is by force intensity.
In the present embodiment, steel reinforcement cage 28 is first set in macromolecule tubing, filler is refilled, the filler is by >=60%
Slightly, the stone that fine aggregate level is matched somebody with somebody（Such as middle stone, handstone）Hardenable paste cement mortar with≤40% is constituted.Pass through work of being in the milk
Skill, forms the concrete of high intensity, makes macromolecule tubing solidization, forms the core space of reinforcement structure.
In the present embodiment, aperture >=300mm of the large aperture cylindrical hole, hole depth >=6m；The diameter of the pile body mould bag
For 330mm, diameter >=500mm of the bottom mould bag；The diameter of the macromolecule tubing is more than 200mm, length >=6m；It is described
Length >=6m of pile body grout pipe and ipe grout pipe, a diameter of 32mm；Length >=8m of the base grouting pipe, it is a diameter of
32mm。
In the present embodiment, treat that the stake of mould bag all after perfusion completion, carries out pouring pile block collar beam in the upper end of pile body mould bag
50 to form entirety；The pile block collar beam is reinforced concrete circle beam, and relatively independent high-strength mould bag stake is formed into globality.
In a preferred embodiment, the aperture of the large aperture cylindrical hole is 300mm, and hole depth is 14m；The pile body mould bag
A diameter of 330mm, a diameter of 500mm of bottom mould bag；A diameter of 250mm of the macromolecule tubing, length is
14m；Length >=the 6m, a diameter of 32mm of the pile body grout pipe and ipe grout pipe；The length of the base grouting pipe is
16m, a diameter of 32mm.
Example IV refers to Fig. 7 and Fig. 8.
A kind of construction technology of high intensity mould bag stake, comprises the following steps：
1）Positioning beam is set in Mud Ground, and large aperture cylindrical hole is drilled with using rig, can make macropore by positioning grade beam
Footpath cylindrical hole ensures perpendicularity；
2）Pile body mould bag 10 is installed in heavy caliber cylindrical hole, and a bottom mould bag 41 is nested with the lower end of pile body mould bag；
3）Solid log 27 is set in pile body mould bag；
4）Installed between solid log and pile body mould bag for the stake to grout injection between solid log and pile body mould bag
Body grout pipe 30 and lower end stretch out solid core stake bottom and enter the base grouting pipe 35 of bottom mould bag；
5）It is in the milk by pile body grout pipe to being controlled property between pile body mould bag and solid log, pile body mould bag is expanded and is squeezed
Mud is pressed, all mud crush zones 11 of stake are formed positioned at the outside of pile body mould bag；
6）By base grouting pipe to bottom mould bag perfusion filling paste 42, continue to irrigate cream after mould bag perfusion in bottom is full
Shape thing, makes paste from the upper port extrusion of bottom mould bag and up along the outer wall of mould bag pile body, so that the periphery of mould bag pile body
Form Zhuan Zhou mud hardenings area 12.
In the present embodiment, irrigated between pile body mould bag and solid log for hardenable paste cement mortar 22, with
Just uniform hardened layer is formed.The protective layer of solid log, and extendible pile body can be both served as after paste cement mortar hardening
Diameter.The paste of the bottom mould bag perfusion filling is hardenable paste cement mortar or the paste cement mortar of addition stone flour.
In the present embodiment, the grouting body between the pile body mould bag and solid log（Filler）Strengthen with the formation of solid log
Structure sheaf；The diameter of bottom mould bag is more than the diameter for the pile body mould bag for wrapping up solid log, makes after the form sack grouting hardening of bottom both
The enlarged footing 40 of pile body bottom can be formed, can be used for irrigating paste filler to the mud around pile body mould bag again, so as to be
Mould bag stake provides bigger bottom carrying force area, improves the overall by force intensity of mould bag stake.
In the present embodiment, the perfusion filler 23 between the pile body mould bag and solid log, the filler is paste cement
The paste cement mortar of slurry or addition stone flour.
In the present embodiment, aperture >=300mm of the large aperture cylindrical hole, hole depth >=6m；The diameter of the pile body mould bag
For 330mm, diameter >=500mm of the bottom mould bag；Length >=6m of the pile body grout pipe and ipe grout pipe, it is a diameter of
32mm；Length >=8m of the base grouting pipe, a diameter of 32mm；Solid core stake is solid log, and a diameter of
150mm, length >=6m.
In the present embodiment, treat that the stake of mould bag all after perfusion completion, carries out pouring pile block collar beam in the upper end of pile body mould bag
50 to form entirety；The pile block collar beam is reinforced concrete circle beam, and relatively independent high-strength mould bag stake is formed into globality.
In a preferred embodiment, the aperture of the large aperture cylindrical hole is 300mm, and hole depth is 14m；The pile body mould bag
A diameter of 330mm, a diameter of 500mm of bottom mould bag；A diameter of 150mm of the solid log, length >=6m is single
During the solid log curtailment of root, it can be spliced by connector；The length of the pile body grout pipe is 14m, a diameter of
32mm；The length of the base grouting pipe is 16m, a diameter of 32mm.
Presently preferred embodiments of the present invention is the foregoing is only, for the ordinary skill in the art, according to this hair
Bright teaching, designs a kind of construction technology of various forms of high intensity mould bag stakes and does not need performing creative labour, not
Depart from all equivalent changes made according to scope of the present invention patent, modification, replacement in the case of the principle and spirit of the present invention
And modification, it should all belong to the covering scope of the present invention.
Claims (10)
1. a kind of construction technology of high intensity mould bag stake, it is characterised in that comprise the following steps：
1）Positioning beam is set in Mud Ground, and large aperture cylindrical hole is drilled with using rig；
2）Pile body mould bag is installed in heavy caliber cylindrical hole, and a bottom mould bag is nested with the lower end of pile body mould bag；
3）Hollow core pile or solid core stake are set in pile body mould bag；
4）Pile body grout pipe, the base grouting pipe of pile body bottom expanding reach of pile body enlarged body are installed in the inside of hollow core pile
And the ipe grout pipe inside hollow core pile, oriented hollow core is set along its axially spaced-apart on the side wall of the pile body grout pipe
The grout hole and its passage of grout injection between heart stake outer wall and pile body mould bag, the lower end of the bottom grout pipe stretch out hollow
The bottom of core pile simultaneously enters bottom mould bag；
Or installed between solid core stake and pile body mould bag for priming petock between solid core stake outer wall and pile body mould bag
The pile body grout pipe of mud and lower end stretch out solid core stake bottom and enter the base grouting pipe of bottom mould bag；
5）It is in the milk by pile body grout pipe to being controlled property between pile body mould bag and hollow core pile outer wall, expands pile body mould bag
It is big and extrude mud, and fill filler into hollow core pile and be in the milk by ipe grout pipe；
Or be in the milk by pile body grout pipe to being controlled property between pile body mould bag and solid core stake outer wall, expand pile body mould bag
It is big and extrude mud；
6）By base grouting pipe to bottom mould bag perfusion filling paste, continue to irrigate paste after mould bag perfusion in bottom is full
Thing, makes paste from the upper port extrusion of bottom mould bag and up along the outer wall of mould bag pile body, to form Zhuan Zhou mud hardenings area.
2. a kind of construction technology of high intensity mould bag stake according to claim 1, it is characterised in that the pile body mould bag with
Irrigated between hollow core pile or the outer wall of solid core stake for hardenable paste cement mortar；The bottom mould bag perfusion is filled out
The paste filled is hardenable paste cement mortar or the paste cement mortar for adding stone flour.
3. a kind of construction technology of high intensity mould bag stake according to claim 2, it is characterised in that the pile body mould bag with
Grouting body and hollow core pile and its grouting body of inside formation reinforcement structure layer between hollow core pile outer wall, or pile body mould
Grouting body and solid core stake between bag and solid core stake outer wall form reinforcement structure layer；The diameter of bottom mould bag is more than stake
The diameter of body mould bag, forms the enlarged footing of pile body bottom after the hardening of bottom form sack grouting.
4. the construction technology of a kind of high intensity mould bag stake according to claim 1,2 or 3, it is characterised in that in hollow core
The inside filling filler of heart stake, stone and≤40% hardenable paste water that the filler is matched somebody with somebody by >=60% thick, fine aggregate level
Mud is constituted.
5. the construction technology of a kind of high intensity mould bag stake according to claim 4, it is characterised in that in hollow core pile
Steel reinforcement cage is first set, filler is refilled.
6. the construction technology of a kind of high intensity mould bag stake according to claim 1,2,3 or 5, it is characterised in that described big
Aperture >=200mm of aperture cylindrical hole, hole depth >=6m；Diameter >=230mm of the pile body mould bag, the diameter of the bottom mould bag
≥330mm。
7. a kind of construction technology of high intensity mould bag stake according to claim 1,2,3 or 5, it is characterised in that the sky
Heart core pile is large-diameter steel pipe, ring is got through mao bamboon or macromolecule tubing；A diameter of 219mm of the large-diameter steel pipe,
Length >=6m；A diameter of 100 ~ 150mm of the mao bamboon, length >=6m；The diameter of the macromolecule tubing is more than 200mm, long
Degree >=6m.
8. a kind of construction technology of high intensity mould bag stake according to claim 7, it is characterised in that the pile body grout pipe
With length >=6m of ipe grout pipe, a diameter of 32mm；Length >=8m of the base grouting pipe, a diameter of 32mm.
9. a kind of construction technology of high intensity mould bag stake according to claim 1,2,3 or 5, it is characterised in that the reality
Heart core pile is solid log, and a diameter of 100 ~ 150mm, length >=6m.
10. the construction technology of a kind of high intensity mould bag stake according to claim 1,2,3 or 5, it is characterised in that treat mould bag
Stake all after perfusion completion, carries out pouring pile block collar beam to form entirety in the upper end of pile body mould bag；The pile block collar beam is
Reinforced concrete circle beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710538573.3A CN107190737A (en) | 2017-07-04 | 2017-07-04 | A kind of construction technology of high intensity mould bag stake |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710538573.3A CN107190737A (en) | 2017-07-04 | 2017-07-04 | A kind of construction technology of high intensity mould bag stake |
Publications (1)
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| CN107190737A true CN107190737A (en) | 2017-09-22 |
Family
ID=59880625
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710538573.3A Pending CN107190737A (en) | 2017-07-04 | 2017-07-04 | A kind of construction technology of high intensity mould bag stake |
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| Country | Link |
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| CN (1) | CN107190737A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030958A (en) * | 2020-08-21 | 2020-12-04 | 湖北中南岩土工程有限公司 | Single-pipe grouting bottom-expanding cast-in-place pile construction method |
| CN113699968A (en) * | 2021-09-02 | 2021-11-26 | 华侨大学 | Self-expansion pile construction method for controlling subway operation shield tunnel settlement |
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| CN202369997U (en) * | 2011-12-29 | 2012-08-08 | 机械工业勘察设计研究院 | Flexible bag type anti-corrosive pile |
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| CN106836203A (en) * | 2017-03-02 | 2017-06-13 | 福建省水利水电科学研究院 | The co-ordinative construction and its construction method of mould bag pile body and mud hardening body |
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| JPH05132929A (en) * | 1991-11-14 | 1993-05-28 | Jiototsupu:Kk | Development method of hollow cast-in-place pile |
| JPH093882A (en) * | 1995-06-20 | 1997-01-07 | Shin Gijutsu Koei Kk | Foundation pile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030958A (en) * | 2020-08-21 | 2020-12-04 | 湖北中南岩土工程有限公司 | Single-pipe grouting bottom-expanding cast-in-place pile construction method |
| CN112030958B (en) * | 2020-08-21 | 2021-04-09 | 湖北中南岩土工程有限公司 | Single-pipe grouting bottom-expanding cast-in-place pile construction method |
| CN113699968A (en) * | 2021-09-02 | 2021-11-26 | 华侨大学 | Self-expansion pile construction method for controlling subway operation shield tunnel settlement |
| CN113699968B (en) * | 2021-09-02 | 2023-02-14 | 华侨大学 | Self-expansion pile construction method for controlling subway operation shield tunnel settlement |
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