CN105239575A - Construction device and construction method of bored cast-in-place static pressure pipe pile with enlarged bottom - Google Patents
Construction device and construction method of bored cast-in-place static pressure pipe pile with enlarged bottom Download PDFInfo
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- CN105239575A CN105239575A CN201510752619.2A CN201510752619A CN105239575A CN 105239575 A CN105239575 A CN 105239575A CN 201510752619 A CN201510752619 A CN 201510752619A CN 105239575 A CN105239575 A CN 105239575A
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Abstract
A construction device of a bored cast-in-place static pressure pipe pile with an enlarged bottom comprises a static press, wherein a holder for holding the pipe pile is arranged on the static press; a rotary crane and a rotary truss are arranged on the static press on the two sides of the holder respectively; a drilling machine with an output shaft facing downwards is arranged at the top of the rotary truss; the output shaft of the drilling machine is connected with a drilling device arranged vertically; the drilling device comprises a screw casing with a screw blade; the screw casing is internally provided with a drilling core pipe; the screw casing is fixedly connected with the drilling core pipe via a bolt; a tangential air outlet is formed on one side of the bottom of the screw casing; and a telescopic drilling rod mechanism is arranged on the inner side of the bottom of the drilling core pipe. With the adoption of the scheme, the device is reasonable in structural design, simple in construction technology, low in cost and stable in quality; concrete is cast quickly after pile sinking; pile sinking equipment is removed quickly; a construction period is short; the efficiency is high; and the device is also applicable to pile foundation construction of a precast square pile, a precast bamboo joint pile, a precast polygonal pile and the like.
Description
Technical field:
The present invention relates to a kind of boring and expand end grouting Static Pipe Pile Construction device and construction method.
Background technology:
Existing building pile foundation (except harbour, harbour) construction adopts the pile tube of diameter less than 600 mostly, if run into density of soil is large, geology is harder stratum during tube pile construction when being difficult to through, for avoiding the damage of pile tube, generally adopt castinplace pile more, or the diesel hammer stamping machine construction adopting environmental pollution larger, and secondary injury can be carried out to neighbouring structure foundation due to soil compaction effect, limit to the scope of application of pile tube.A large amount of super highrise building is due to all very high to the bearing capacity of stake, conventional land stake machine pile foundation construction process cannot solve again the construction of large-diameter tubular pile, therefore large diameter pile tube also cannot be promoted the use of on land, and adopt the construction process of bored concrete pile of cast in situs always.On-the-spot large-area boring during filling pile construction, fetch earth, blowdown, on-the-spot assembling reinforcement cage, cast-in-place concrete, consume concrete and reinforcing bar many, recruitment is many, labour intensity is large, and efficiency of construction is low, and cost is high, long in time limit, quality is unstable, and concrete strength only has the half of pile tube, and delivery receiving acceptance is also difficult to detect, cushion cap connect also complicated, need broken pile head to damage pile crown concrete structure, concrete is also poor without prestressing force durability.Also the first boring of just exploitation is had in recent years, the engineering method of pile tube taken root in by reaming fluid concrete quiet brill in bottom, due to be boring after want shadoof and use mud off, at shadoof with when planting pile tube, bore diameter is slightly larger than pile tube diameter, when to plant, only tube stake deadweight is sunk to, easily by pile tube self, (pile tube is from great for hole inwall, one root canal pile deadweight is several to tens tons) wave, collision causes inwall earth, rubble, ovum sand slump and cause isolating with bottom enlarged fluid concrete layering, pile tube and soil hole wall do not have frictional force substantially, very easily by vehicle and equipment self-weight and moving influence during construction, pile tube is squeezed and easily offsets, the earth's crust, dislocation slippage can be produced during formation displacement, this position is caused to produce sedimentation.And its each position long construction period, concreting must be waited just to insert pile tube after initial set state consolidation in 2 hours, also after pile tube outer wall injects concrete consolidation, just need can remove sinking apparatus, otherwise pile tube meeting off normal, construction is complicated, quality is also unstable.This engineering method more can not adapt to the construction of precast square pile, has significant limitation.
Summary of the invention:
The present invention is in order to make up the deficiencies in the prior art, provide a kind of boring and expand end grouting Static Pipe Pile Construction device and construction method, its reasonable in design, construction technology is simple, and cost is low, steady quality, after pile sinking, inject concrete fast, remove sinking apparatus fast, the duration is short, efficiency is high, solves problems of the prior art.
The present invention for solving the problems of the technologies described above adopted technical scheme is:
End grouting Static Pipe Pile Construction device is expanded in a kind of boring, comprise static pressure machine, static pressure machine is provided with the clamper for clamping pile tube, the static pressure machine of clamper both sides is respectively equipped with rotary crane and revolution truss, the rig that an output shaft is arranged is provided with down at the top of revolution truss, the output shaft of rig is connected with the drilling equipment vertically arranged, described drilling equipment comprises one with the screw shell of helical blade, a brill core pipe is provided with in screw shell, screw shell and brill core pipe are connected by latch, tangential air outlet is provided with in the side, bottom of screw shell, a telescopic drill rod mechanism is provided with in brill core pipe bottom inside.
Described drill rod mechanism comprises the oil cylinder that a piston rod being located at brill core pipe bottom inside is arranged down, the piston rod of oil cylinder is hinged and connected with one end of two connecting rods respectively, the other end of two connecting rods is hinged and connected with the middle part of a drilling rod respectively, and the inner of two drilling rods is hinged and connected.
Chamfering steel ring is installed bottom pile tube.
Some buckle anchor bars are installed bottom pile tube.
End grouting Static Pipe Pile Construction method is expanded in a kind of boring, comprises the steps:
(1) first static pressure machine is moved to the pre-construction location of pile tube;
(2) lift by rotary crane the gripper position that the first pile tube moves to static pressure machine, several meters are pressed into after the first pile tube clamping close to earth's surface by clamper, then the rig of revolution truss is connected with the first drilling equipment, drive the first drilling equipment to move aligning first pile tube by revolution truss, and the first drilling equipment plug-in mounting is entered in the first pile tube;
(3) control the cylinder action of the first drilling equipment, the piston rod of oil cylinder is extended, drive drilling rod action by connecting rod, make the bore diameter of drilling rod 2-3cm more smaller than the pile tube diameter of required construction;
(4) starting rig drives the first drilling equipment work to hole to underground, hack is expelled in surface collection apparatus by the helical blade rotated, when bored hole stops rig to when slightly shorter than the first pile tube length 1 meter, and rig is separated with the first drilling equipment, by static pressure machine by first pile tube press-in to hole in;
(5) hang in the second pile tube to the first pile tube over top by rotary crane and keep 40cm gap, install between the second pile tube and the first pile tube and isolate stool, then the rig of revolution truss is connected with the second drilling equipment, the second drilling equipment is driven to move aligning second pile tube by revolution truss, and the second drilling equipment plug-in mounting is entered in the second pile tube, the second drilling equipment and the first drilling equipment is docked at isolation stool lateral opening hole position, then remove isolation stool, the second pile tube is welded with the first pile tube or is mechanically connected;
(6) start rig to drive the second drilling equipment and the first drilling equipment to work to underground to hole simultaneously, hack is expelled in surface collection apparatus by the helical blade rotated, when bored hole is to stopping rig than when the second pile tube and slightly short 1 meter of the first pile tube length sum, and rig is separated with the second drilling equipment, by static pressure machine the second pile tube and the first pile tube be pressed into hole in;
(7) hang in the n-th pile tube to the (n-1)th pile tube over top by rotary crane and keep 40cm gap, repeat step (5) and (6), after reaching designing requirement, control the cylinder action of the first drilling equipment again, the piston rod of oil cylinder is made to continue to extend, drilling rod is driven to stretch out by connecting rod, expand the boring scope of drilling rod, start rig, drive each drilling equipment to work simultaneously, make the drilling rod of the first drilling equipment bore enlarged cavity diameter be 2 times of the first pile tube diameter, the degree of depth be the 2-3 of pile tube diameter doubly;
(8) in brill core pipe, be pressed into compressed air, compressed air is tangentially blown into enlarged cavity from tangential air outlet, and the helical blade hack in enlarged cavity being blown into rotation is expelled in surface collection apparatus;
(9) control the cylinder action of the first drilling equipment, the piston rod of oil cylinder is shunk, drive drilling rod to be contracted to by connecting rod and bore in core pipe, by revolution truss, all brill core pipes and drilling equipment are separated and are suggested ground from screw shell;
(10) pump into coagulating expansive concrete soon by compression pump in screw shell and be full of whole enlarged cavity;
(11) by revolution truss, all screw shells, from pile tube, ground are proposed;
(12) exerted pressure by static pressure machine and make bottom pile tube, to enter 1/2 of the enlarged cavity degree of depth, then withdraw static pressure machine, rotary crane and revolution truss;
(13) enter in pile tube by the hack re-injection in gathering-device, construction completes.
Chamfering steel ring is installed bottom the first pile tube.
Some buckle anchor bars are installed bottom the first pile tube.
The present invention adopts such scheme, reasonable in design, and construction technology is simple, and cost is low, steady quality, injects concrete fast, removes sinking apparatus fast after pile sinking, duration is short, and efficiency is high, is equally applicable to the pile foundation constructions such as precast square pile, prefabricated bamboo joint pile, prefabricated polygonal pile.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention.
Fig. 2 is the sectional structure schematic diagram of drilling equipment of the present invention.
In figure, 1, static pressure machine, 2, pile tube, 3, clamper, 4, rotary crane, 5, revolution truss, 6, rig, 7, screw shell, 8, helical blade, 9, core pipe is bored, 10, latch, 11, tangential air outlet, 12, oil cylinder, 13, connecting rod, 14, drilling rod, 15, enlarged cavity, 16, buckle anchor bar, 17, chamfering steel ring.
Detailed description of the invention:
For clearly demonstrating the technical characterstic of this programme, below by detailed description of the invention, and in conjunction with its accompanying drawing, the present invention will be described in detail.
As shown in Figure 1-2, end grouting Static Pipe Pile Construction device is expanded in a kind of boring, comprise static pressure machine 1, static pressure machine 1 is provided with the clamper 3 for clamping pile tube 2, the static pressure machine 1 of clamper 3 both sides is respectively equipped with rotary crane 4 and revolution truss 5, the rig 6 that an output shaft is arranged is provided with down at the top of revolution truss 5, the output shaft of rig 6 is connected with the drilling equipment vertically arranged, described drilling equipment comprises one with the screw shell 7 of helical blade 8, a brill core pipe 9 is provided with in screw shell 7, screw shell 7 and brill core pipe 9 are connected by latch 10, tangential air outlet 11 is provided with in the side, bottom of screw shell 7, a telescopic drill rod mechanism is provided with in brill core pipe 9 bottom inside.
Described drill rod mechanism comprises the oil cylinder 12 that a piston rod being located at brill core pipe 9 bottom inside is arranged down, the piston rod of oil cylinder 12 is hinged and connected with one end of two connecting rods 13 respectively, the other end of two connecting rods 13 is hinged and connected with the middle part of a drilling rod 14 respectively, and the inner of two drilling rods 14 is hinged and connected.
Chamfering steel ring 17 is installed bottom pile tube 2, guiding and the effect of soil compaction closely knit increase sidewall friction can be played when pile tube is pressed into.
Some buckle anchor bars 16 are installed bottom pile tube 2, to increase the fusion state of cure with enlarged cavity inner concrete bottom pile tube.
End grouting Static Pipe Pile Construction method is expanded in a kind of boring, comprises the steps:
(1) first static pressure machine is moved to the pre-construction location of pile tube;
(2) lift by rotary crane the gripper position that the first pile tube moves to static pressure machine, several meters are pressed into after the first pile tube clamping close to earth's surface by clamper, then the rig of revolution truss is connected with the first drilling equipment, drive the first drilling equipment to move aligning first pile tube by revolution truss, and the first drilling equipment plug-in mounting is entered in the first pile tube;
(3) control the cylinder action of the first drilling equipment, the piston rod of oil cylinder is extended, drive drilling rod action by connecting rod, make the bore diameter of drilling rod 2-3cm more smaller than the pile tube diameter of required construction;
(4) starting rig drives the first drilling equipment work to hole to underground, hack is expelled in surface collection apparatus by the helical blade rotated, when bored hole stops rig to when slightly shorter than the first pile tube length 1 meter, and rig is separated with the first drilling equipment, by static pressure machine by first pile tube press-in to hole in, now the first pile tube top is above the ground level 1 meter;
(5) hang in the second pile tube to the first pile tube over top by rotary crane and keep 40cm gap, install between the second pile tube and the first pile tube and isolate stool, do not allow the second pile tube rock and guarantee below safety operation, then the rig of revolution truss is connected with the second drilling equipment, the second drilling equipment is driven to move aligning second pile tube by revolution truss, and the second drilling equipment plug-in mounting is entered in the second pile tube, the second drilling equipment and the first drilling equipment is docked at isolation stool lateral opening hole position, then isolation stool is removed, second pile tube is welded with the first pile tube or is mechanically connected,
(6) start rig to drive the second drilling equipment and the first drilling equipment to work to underground to hole simultaneously, hack is expelled in surface collection apparatus by the helical blade rotated, when bored hole is to stopping rig than when the second pile tube and slightly short 1 meter of the first pile tube length sum, and rig is separated with the second drilling equipment, by static pressure machine the second pile tube and the first pile tube be pressed into hole in, now the second pile tube top is above the ground level 1 meter;
(7) hang in the n-th pile tube to the (n-1)th pile tube over top by rotary crane and keep 40cm gap, repeat step (5) and (6), after reaching designing requirement, control the cylinder action of the first drilling equipment again, the piston rod of oil cylinder is made to continue to extend, drilling rod is driven to stretch out by connecting rod, expand the boring scope of drilling rod, start rig, drive each drilling equipment to work simultaneously, make the drilling rod of the first drilling equipment bore enlarged cavity diameter be 2 times of the first pile tube diameter, the degree of depth be the 2-3 of pile tube diameter doubly;
(8) in brill core pipe, be pressed into compressed air, compressed air is tangentially blown into enlarged cavity from tangential air outlet, and the helical blade hack in enlarged cavity being blown into rotation is expelled in surface collection apparatus;
(9) control the cylinder action of the first drilling equipment, the piston rod of oil cylinder is shunk, drive drilling rod to be contracted to by connecting rod and bore in core pipe, by revolution truss, all brill core pipes and drilling equipment are separated and are suggested ground from screw shell;
(10) pump into coagulating expansive concrete soon by compression pump in screw shell and be full of whole enlarged cavity;
(11) by revolution truss, all screw shells, from pile tube, ground are proposed;
(12) exerted pressure by static pressure machine and make bottom pile tube, to enter 1/2 of the enlarged cavity degree of depth, then withdraw static pressure machine, rotary crane and revolution truss;
(13) enter in pile tube by the hack re-injection in gathering-device, environmental protection is disposed, and construction completes.
Chamfering steel ring is installed bottom the first pile tube, guiding and the effect of soil compaction closely knit increase sidewall friction can be played when pile tube is pressed into.
Some buckle anchor bars are installed bottom the first pile tube.If as uplift pile occasion, several buckle anchor bar can be installed in the bottom of lowermost pile tube, to increase the fusion state of cure with enlarged cavity inner concrete bottom pile tube.
End grouting Static Pipe Pile Construction device and construction method are expanded in boring of the present invention, can the pressure pipe stake of boring limit, limit, pile tube factorial praluction, manufacturing process controllability is high, steady quality, tubular pile concrete intensity reaches more than C80, static pressure machine field operation is simple and safe, pile driving pressure is little, and also little to the injury of pile tube, the fast efficiency of speed of application is high, soil compaction effect is little, can not produce pile tube to a clump of piles to float, the phenomenon such as to do over again with piling, stake of exposing to the sun because pile tube density is high-leveled and difficult, to neighbouring structure foundation also substantially without endangering, engineering detecting is convenient and reliable.Because bottom enlarged cavity is more many greatly than former pile tube, and adopt fast solidifying expansive concrete to fill, the end bearing ability of pile tube is strengthened greatly, especially hard layer of sand is applicable to, the hardpans such as layer of gravel and the static pressure construction technology of routine are difficult to the occasion penetrated, this invention can solve land at one stroke and be difficult to use bigbore tube pile construction (because pile tube is larger, pile driving pressure is larger, the large-tonnage static pressure machine of more than 1000 tons does not almost have and too large on-the-spot place of conducting oneself with dignity also does not possess), cost can be eliminated higher, quality is unstable, affect environment, the castinplace pile that duration is longer, greatly widen the scope of application of pile tube.Compared with taking root in engineering method with the quiet brill of pile tube that nearest market is developed, the present invention does not need mud off, limit boring limit piling is synchronously carried out, the carrying that pile tube and institute's some frictional force of drill hole wall can improve pile tube reduces horizontal shift, efficiency of construction is high, bore the alloy cutter head drilling rod installed in core pipe and there is two-stage Telescopic, bore core pipe and also have screw shell outward for discharging mud, during boring, brill core pipe and screw shell rotate simultaneously, complete screw shell end of holing is provided with a tangential air outlet, to be blown into the earth in compressed air cleaning enlarged cavity, then propose to bore core pipe and drilling rod from screw shell, from the endoporus of screw shell, inject concrete with compression pump and be full of bottom enlarged cavity part, thus reach pile crown and bottom enlarged cavity part combines together, dislocation can not be produced each other, construction quality is stablized, ensure that the load-carrying properties of end bearing pile.Adopt this device, the pile tube of the 700-1000mm of larger diameter can be used on land to carry out pile foundation construction and to seem more easy, and static pressure machine adopts conventional products 600-800 ton model enough to meet use, and have noise and air-polluting diesel hammer Driven Piles machine can completely substitute by the present invention, be conducive to environmental protection.Because pile driving pressure during construction is little, pile crown is stressed little, and pile end board can be cancelled completely, has saved great deal of steel, has greatly reduced material cost.Chamfering steel ring is installed in termination, pile tube bottom can play guiding and the effect of soil compaction closely knit increase sidewall friction when pile tube is pressed into, several buckle anchor bar is installed in termination, to be convenient to when the concreting of enlarged cavity part, by buckle anchor bar also pre-buried fusion together, greatly to improve the resistance to plucking effect of this pile tube.The present invention is also suitable for the pile foundation constructions such as precast square pile, prefabricated bamboo joint pile, prefabricated polygonal pile.
Above-mentioned detailed description of the invention can not as limiting the scope of the invention, and for those skilled in the art, any alternate modification make embodiment of the present invention or conversion all drop in protection scope of the present invention.
The present invention does not describe part in detail, is the known technology of those skilled in the art of the present technique.
Claims (7)
1. end grouting Static Pipe Pile Construction device is expanded in a boring, it is characterized in that: comprise static pressure machine, static pressure machine is provided with the clamper for clamping pile tube, the static pressure machine of clamper both sides is respectively equipped with rotary crane and revolution truss, the rig that an output shaft is arranged is provided with down at the top of revolution truss, the output shaft of rig is connected with the drilling equipment vertically arranged, described drilling equipment comprises one with the screw shell of helical blade, a brill core pipe is provided with in screw shell, screw shell and brill core pipe are connected by latch, tangential air outlet is provided with in the side, bottom of screw shell, a telescopic drill rod mechanism is provided with in brill core pipe bottom inside.
2. end grouting Static Pipe Pile Construction device is expanded in one boring according to claim 1, it is characterized in that: described drill rod mechanism comprises the oil cylinder that a piston rod being located at brill core pipe bottom inside is arranged down, the piston rod of oil cylinder is hinged and connected with one end of two connecting rods respectively, the other end of two connecting rods is hinged and connected with the middle part of a drilling rod respectively, and the inner of two drilling rods is hinged and connected.
3. end grouting Static Pipe Pile Construction device is expanded in one boring according to claim 1, it is characterized in that: bottom pile tube, be provided with chamfering steel ring.
4. end grouting Static Pipe Pile Construction device is expanded in one boring according to claim 1, it is characterized in that: bottom pile tube, be provided with some buckle anchor bars.
5. an end grouting Static Pipe Pile Construction method is expanded in boring as claimed in claim 1, it is characterized in that: comprise the steps:
(1) first static pressure machine is moved to the pre-construction location of pile tube;
(2) lift by rotary crane the gripper position that the first pile tube moves to static pressure machine, several meters are pressed into after the first pile tube clamping close to earth's surface by clamper, then the rig of revolution truss is connected with the first drilling equipment, drive the first drilling equipment to move aligning first pile tube by revolution truss, and the first drilling equipment plug-in mounting is entered in the first pile tube;
(3) control the cylinder action of the first drilling equipment, the piston rod of oil cylinder is extended, drive drilling rod action by connecting rod, make the bore diameter of drilling rod 2-3cm more smaller than the pile tube diameter of required construction;
(4) starting rig drives the first drilling equipment work to hole to underground, hack is expelled in surface collection apparatus by the helical blade rotated, when bored hole stops rig to when slightly shorter than the first pile tube length 1 meter, and rig is separated with the first drilling equipment, by static pressure machine by first pile tube press-in to hole in;
(5) hang in the second pile tube to the first pile tube over top by rotary crane and keep 40cm gap, install between the second pile tube and the first pile tube and isolate stool, then the rig of revolution truss is connected with the second drilling equipment, the second drilling equipment is driven to move aligning second pile tube by revolution truss, and the second drilling equipment plug-in mounting is entered in the second pile tube, the second drilling equipment and the first drilling equipment is docked at isolation stool lateral opening hole position, then remove isolation stool, the second pile tube is welded with the first pile tube or is mechanically connected;
(6) start rig to drive the second drilling equipment and the first drilling equipment to work to underground to hole simultaneously, hack is expelled in surface collection apparatus by the helical blade rotated, when bored hole is to stopping rig than when the second pile tube and slightly short 1 meter of the first pile tube length sum, and rig is separated with the second drilling equipment, by static pressure machine the second pile tube and the first pile tube be pressed into hole in;
(7) hang in the n-th pile tube to the (n-1)th pile tube over top by rotary crane and keep 40cm gap, repeat step (5) and (6), after reaching designing requirement, control the cylinder action of the first drilling equipment again, the piston rod of oil cylinder is made to continue to extend, drilling rod is driven to stretch out by connecting rod, expand the boring scope of drilling rod, start rig, drive each drilling equipment to work simultaneously, make the drilling rod of the first drilling equipment bore enlarged cavity diameter be 2 times of the first pile tube diameter, the degree of depth be the 2-3 of pile tube diameter doubly;
(8) in brill core pipe, be pressed into compressed air, compressed air is tangentially blown into enlarged cavity from tangential air outlet, and the helical blade hack in enlarged cavity being blown into rotation is expelled in surface collection apparatus;
(9) control the cylinder action of the first drilling equipment, the piston rod of oil cylinder is shunk, drive drilling rod to be contracted to by connecting rod and bore in core pipe, by revolution truss, all brill core pipes and drilling equipment are separated and are suggested ground from screw shell;
(10) pump into coagulating expansive concrete soon by compression pump in screw shell and be full of whole enlarged cavity;
(11) by revolution truss, all screw shells, from pile tube, ground are proposed;
(12) exerted pressure by static pressure machine and make bottom pile tube, to enter 1/2 of the enlarged cavity degree of depth, then withdraw static pressure machine, rotary crane and revolution truss;
(13) enter in pile tube by the hack re-injection in gathering-device, construction completes.
6. end grouting Static Pipe Pile Construction method is expanded in boring according to claim 5, it is characterized in that: bottom the first pile tube, be provided with chamfering steel ring.
7. end grouting Static Pipe Pile Construction method is expanded in boring according to claim 5, it is characterized in that: bottom the first pile tube, be provided with some buckle anchor bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510752619.2A CN105239575B (en) | 2015-11-06 | 2015-11-06 | One kind drilling base expanding and base expanding grouting Static Pipe Pile Construction device and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510752619.2A CN105239575B (en) | 2015-11-06 | 2015-11-06 | One kind drilling base expanding and base expanding grouting Static Pipe Pile Construction device and construction method |
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| Publication Number | Publication Date |
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| CN105239575A true CN105239575A (en) | 2016-01-13 |
| CN105239575B CN105239575B (en) | 2017-06-13 |
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| CN201510752619.2A Active CN105239575B (en) | 2015-11-06 | 2015-11-06 | One kind drilling base expanding and base expanding grouting Static Pipe Pile Construction device and construction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853533A (en) * | 2019-04-08 | 2019-06-07 | 王磊 | The construction method of static-pressure expanding bottom pile |
| CN112096281A (en) * | 2020-09-16 | 2020-12-18 | 尚俏佳 | Drilling, pile splicing and pile planting all-in-one machine and construction method thereof |
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| DE3501252A1 (en) * | 1985-01-04 | 1986-07-17 | Juei-Jse Pan Chiao City Tai Pei Hsien Lin | Method of producing a cast-in-situ concrete pile |
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| CN2503116Y (en) * | 2001-10-18 | 2002-07-31 | 赵书平 | Variable club-footed support forming machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109853533A (en) * | 2019-04-08 | 2019-06-07 | 王磊 | The construction method of static-pressure expanding bottom pile |
| CN112096281A (en) * | 2020-09-16 | 2020-12-18 | 尚俏佳 | Drilling, pile splicing and pile planting all-in-one machine and construction method thereof |
| CN112096281B (en) * | 2020-09-16 | 2022-05-17 | 尚俏佳 | Drilling, pile splicing and pile planting all-in-one machine and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105239575B (en) | 2017-06-13 |
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Effective date of registration: 20230725 Address after: Room 404-32, Building 4, Yintan Cultural and Creative Park, No. 88 Yapeng Road, Jianye District, Nanjing City, Jiangsu Province, 210000 Patentee after: Jiangsu Airuike Intelligent Technology Group Co.,Ltd. Address before: Room 9-201, Yannan Garden, Yanming Mountain Villa, Xianlin, Qixia District, Nanjing City, Jiangsu Province, 210000 Patentee before: Li Quanmin |