CN109989396A - In conjunction with the novel extruding-enlarging branch tray molding machine and its operating method of post grouting process - Google Patents
In conjunction with the novel extruding-enlarging branch tray molding machine and its operating method of post grouting process Download PDFInfo
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- CN109989396A CN109989396A CN201810004125.XA CN201810004125A CN109989396A CN 109989396 A CN109989396 A CN 109989396A CN 201810004125 A CN201810004125 A CN 201810004125A CN 109989396 A CN109989396 A CN 109989396A
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- grouting
- steel reinforcement
- reinforcement cage
- slip casting
- pipe
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
-
- 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
- E02D5/36—Concrete or concrete-like piles cast in position ; Apparatus for making same making without use of mouldpipes 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
- E02D5/48—Piles varying in construction along their length, i.e. along the body between head and shoe, e.g. made of different materials along their length
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/003—Injection of material
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention provides the novel extruding-enlarging branch tray molding machines and its operating method of a kind of combination post grouting process, its structure includes steel reinforcement cage, it is cased with multiple annular Grouting Pipes being laterally arranged on the excircle of steel reinforcement cage from top to bottom, is uniformly arranged that there are four one-way throttle grouting valves in the annular Grouting Pipe.A plurality of tie hoop is provided on the side wall of the steel reinforcement cage, it is also evenly distributed with a plurality of main reinforcement together with tie hoop interconnection, vertically arranged on the side wall of the steel reinforcement cage, a plurality of zinc-plated madjack pipe for being higher than steel reinforcement cage top surface with vertically arranged, top that tie hoop and main reinforcement are fixed together also is evenly distributed on the side wall of the steel reinforcement cage.The design of four one-way throttle grouting valves of the invention can guarantee that slip casting is uniform；Slurries packet Seed harvest outstanding can be formed using stake side slurries and soil body squeezing action, this Seed harvest and upper lower squeezed branch collective effect under stake top vertical load, it forms good by Force system, the generally robust property of the entire support disk pile generated after slip casting and bearing capacity greatly improve, and influence of the soil body void area to bearing capacity of pile foundation can be greatly lowered.
Description
Technical field
It is especially a kind of simple and reliable for structure the present invention relates to a kind of slip casting structure, ingenious in design, sturdy and durable, intensity
A kind of novel extruding-enlarging branch tray molding machine of high combination post grouting process.
Background technique
Existing extruding-enlarging branch tray pile bearing capacity is limited, since the shearing strength of the soil body between branch is lower, Yi Fasheng branch with
The failure by shear of bottom end soil, and the part pile cutoff side friction loss that area of coming to nothing makes is more.
Summary of the invention
To solve the above problems, ingenious in design, sturdy and durable, intensity is high the present invention provides a kind of simple and reliable for structure
A kind of combination post grouting process novel extruding-enlarging branch tray molding machine.
Realize the novel extruding-enlarging branch tray molding machine and its operating method of the combination post grouting process of the object of the invention, knot
Structure includes steel reinforcement cage, is cased with multiple annular Grouting Pipes being laterally arranged, the ring-shaped pouring on the excircle of steel reinforcement cage from top to bottom
One-way throttle grouting valve there are four being uniformly arranged on slurry pipe.A plurality of tie hoop is provided on the side wall of the steel reinforcement cage, it is described
A plurality of main reinforcement together with tie hoop interconnection, vertically arranged is also evenly distributed on the side wall of steel reinforcement cage, it is described
It is also evenly distributed with and a plurality of is higher than on the side wall of steel reinforcement cage with vertically arranged, top that tie hoop and main reinforcement are fixed together
The zinc-plated madjack pipe of steel reinforcement cage top surface, the bottom of the zinc-plated madjack pipe are connected to annular Grouting Pipe.
The annular Grouting Pipe is also fixed together with tie hoop and main reinforcement.
The material of the annular Grouting Pipe is high pressure PVC plastic pipe.
The novel extruding-enlarging branch tray molding machine of combination post grouting process described in this patent, when work, from grouting pump to ring
Slip casting in shape Grouting Pipe, slurries are sprayed from one-way throttle grouting valve, complete into the gap between the outside and ground of steel reinforcement cage
It works at slip casting and mud jacking, forms compacted bearing disk pile.
The specific operation method is as follows for it:
Soil layer geology and level of ground water situation are regarded first and uses suitable construction pore-creating method method, and drilling machine is in place and by king pile
It drills to projected depth, then hangs in hydraulic extruding-enlarging branch tray machine in having drilled, by the squeezed branch of design position or force bearing disk, and
When empty, hole quality will meet specification regulation, and pile bottom sediment cleans out；
It after the completion of borehole cleaning process, is intended that and carries out compacted bearing disk pile side grouting behind shaft or drift lining with the present invention, preparing to transfer reinforcing bar
Before cage, the pre-buried zinc-plated madjack pipe of φ 15mm is bound on the outside of steel reinforcement cage, madjack pipe upper end passes through screwed connection slip casting hose, connection
When screw thread at need to be wound with adhesive waterproof tape, lower end by positive threeway connect high pressure PVC plastic pipe both ends, PVC plastic pipe is along steel
Muscle cage main reinforcement turns around, and bores 4 eyelets in plastic tube, the position of 4 apertures is evenly distributed on the circumference of annular plastics pipe, wraps
The ribbon rubber inner tube of a tyre marks, and is perforated openings towards outside, and every place lays an one-way throttle valve at four eyelets, and examines
Grouting Pipe position and its quality are looked into, preparation is completed；
Then decentralization steel reinforcement cage, will be directed at hole location, hang standard and help surely, slowly sink, and avoid collision cinclides, to setting under steel reinforcement cage
After seated position, should fix immediately, concrete perfusion, conduit bottom end between branch near position when, lower on the ground consciously should take out
Conduit several times is drawn, makes the concrete compaction near disk position, slurry drilled pile construction concrete using the workability of concrete
Initial set needs 7 days or so；
It is cleaved in 3 days with a small amount of clear water after the completion of pile, dredges Grouting Pipe and slurry casting machine；
Get off to configure cement slurry and implements slip casting, what surface grout injection device referred to resting on the ground in Grouting engineering
Device, including slip casting hose, pressure pump and slurry pool, wherein the both ends of slip casting hose be respectively connected to pressure pump and slurry pool with
So that the two is connected, the slurries for slip casting are placed in slurry pool, pressure pump is used for slurry pressure to realize slip casing by pressure,
Grouting pressure is not less than 1.0MPa, and has to be larger than slip casting depth earth pressure, and injection speed preferably uses 30-75L/min, no
It should be more than 75L/min；
Implement generally to use slip casting from top to down when slip casting, to prevent lower slurry from altering along stake Soil Interface, have to top
After certain initial setting strength, then each pile cutoff in portion is successively poured down, the control of grouting behind shaft or drift lining quality is using grouting amount and grouting pressure dual control side
Method, controlled with the quantity of the cement injected based on, pumping stops to terminate note when slip casting total amount reaches actual requirement supplemented by pressure control
It starches, removes ground installation, close Grouting Pipe, complete slip casting, coring, dynamic survey and ultrasonic wave can be used in compacted bearing disk pile pile quality
Etc. conventional methods detection.
The novel extruding-enlarging branch tray molding machine of post grouting process is combined described in this patent, four one-way throttle grouting valves are set
It counts and can guarantee that slip casting is uniform；Slurries packet Seed harvest outstanding, this Seed harvest can be formed using stake side slurries and soil body squeezing action
With upper lower squeezed branch under stake top vertical load collective effect, form good by Force system, greatly played the end resistance of branch
Stake soil frictional resistance between power and branch, improves the load-carrying properties of compacted bearing disk pile, and the entire support disk pile generated after slip casting is whole
Robustness and bearing capacity greatly improve, and the risk of the side friction reduction in soil body void area can be greatly lowered.
Detailed description of the invention
Fig. 1 be combination post grouting process of the invention novel extruding-enlarging branch tray molding machine and its side-looking direction schematic diagram
Fig. 2 is the overlook direction structural schematic diagram of the novel extruding-enlarging branch tray molding machine of combination post grouting process of the invention
Specific embodiment
As depicted in figs. 1 and 2, the novel extruding-enlarging branch tray molding machine of combination post grouting process of the invention, including reinforcing bar
Cage 5, is cased with multiple annular Grouting Pipes 3 being laterally arranged on the excircle of steel reinforcement cage 5 from top to bottom, in the annular Grouting Pipe 3
One-way throttle grouting valve 8 there are four being uniformly arranged.A plurality of tie hoop 6, the reinforcing bar are provided on the side wall of the steel reinforcement cage 5
A plurality of main reinforcement 4 together with 6 interconnection of tie hoop, vertically arranged, the steel are also evenly distributed on the side wall of cage 5
A plurality of vertically arranged, the top height being fixed together with tie hoop 6 and main reinforcement 4 is also evenly distributed on the side wall of muscle cage 5
Zinc-plated madjack pipe 1 in 5 top surface of steel reinforcement cage, the bottom of the zinc-plated madjack pipe 1 are connected to annular Grouting Pipe 3.
The annular Grouting Pipe 3 is also fixed together with tie hoop 6 and main reinforcement 4.
The material of the annular Grouting Pipe 3 is high pressure PVC plastic pipe.
The novel extruding-enlarging branch tray molding machine of combination post grouting process described in this patent, when work, from grouting pump to ring
Slip casting in shape Grouting Pipe 3, slurries are sprayed from one-way throttle grouting valve 8, the gap between the outside and ground 7 of steel reinforcement cage 5
It is interior, slip casting and mud jacking work are completed, compacted bearing disk pile 2 is formed.
The specific operation method is as follows for it:
Soil layer geology and level of ground water situation are regarded first and uses suitable construction pore-creating method method, and drilling machine is in place and by king pile
It drills to projected depth, then hangs in hydraulic extruding-enlarging branch tray machine in having drilled, by the squeezed branch of design position or force bearing disk, and
When empty, hole quality will meet specification regulation, and pile bottom sediment cleans out；
It after the completion of borehole cleaning process, is intended that and carries out compacted bearing disk pile side grouting behind shaft or drift lining with the present invention, preparing to transfer reinforcing bar
Before cage, the pre-buried zinc-plated madjack pipe of φ 15mm is bound on the outside of steel reinforcement cage, madjack pipe upper end passes through screwed connection slip casting hose, connection
When screw thread at need to be wound with adhesive waterproof tape, lower end by positive threeway connect high pressure PVC plastic pipe both ends, PVC plastic pipe is along steel
Muscle cage main reinforcement turns around, and bores 4 eyelets in plastic tube, the position of 4 apertures is evenly distributed on the circumference of annular plastics pipe, wraps
The ribbon rubber inner tube of a tyre marks, and is perforated openings towards outside, and every place lays an one-way throttle valve at four eyelets, and examines
Grouting Pipe position and its quality are looked into, preparation is completed；
Then decentralization steel reinforcement cage, will be directed at hole location, hang standard and help surely, slowly sink, and avoid collision cinclides, to setting under steel reinforcement cage
After seated position, should fix immediately, concrete perfusion, conduit bottom end between branch near position when, lower on the ground consciously should take out
Conduit several times is drawn, makes the concrete compaction near disk position, slurry drilled pile construction concrete using the workability of concrete
Initial set needs 7 days or so；
It is cleaved in 3 days with a small amount of clear water after the completion of pile, dredges Grouting Pipe and slurry casting machine；
Get off to configure cement slurry and implements slip casting, what surface grout injection device referred to resting on the ground in Grouting engineering
Device, including slip casting hose, pressure pump and slurry pool, wherein the both ends of slip casting hose be respectively connected to pressure pump and slurry pool with
So that the two is connected, the slurries for slip casting are placed in slurry pool, pressure pump is used for slurry pressure to realize slip casing by pressure,
Grouting pressure is not less than 1.0MPa, and has to be larger than slip casting depth earth pressure, and injection speed preferably uses 30-75L/min, no
It should be more than 75L/min；
Implement generally to use slip casting from top to down when slip casting, to prevent lower slurry from altering along stake Soil Interface, have to top
After certain initial setting strength, then each pile cutoff in portion is successively poured down, the control of grouting behind shaft or drift lining quality is using grouting amount and grouting pressure dual control side
Method, controlled with the quantity of the cement injected based on, pumping stops to terminate note when slip casting total amount reaches actual requirement supplemented by pressure control
It starches, removes ground installation, close Grouting Pipe, complete slip casting, coring, dynamic survey and ultrasonic wave can be used in compacted bearing disk pile pile quality
Etc. conventional methods detection.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to model of the invention
It encloses and is defined, without departing from the spirit of the design of the present invention, this field ordinary engineering and technical personnel is to the technology of the present invention side
The various changes and improvements that case is made, should fall within the scope of protection determined by the claims of the present invention.
Claims (3)
1. combining the novel extruding-enlarging branch tray molding machine of post grouting process, which is characterized in that including steel reinforcement cage, the outer circle of steel reinforcement cage
Multiple annular Grouting Pipes being laterally arranged are cased on week from top to bottom, is uniformly arranged in the annular Grouting Pipe and is saved there are four unidirectional
Flow grouting valve；It is provided with a plurality of tie hoop on the side wall of the steel reinforcement cage, is also evenly distributed on the side wall of the steel reinforcement cage
A plurality of main reinforcement together with tie hoop interconnection, vertically arranged is also evenly distributed on the side wall of the steel reinforcement cage
The a plurality of zinc-plated madjack pipe for being higher than steel reinforcement cage top surface with vertically arranged, top that tie hoop and main reinforcement are fixed together, institute
The bottom for stating zinc-plated madjack pipe is connected to annular Grouting Pipe；The annular Grouting Pipe is also fixed on one with tie hoop and main reinforcement
It rises.
2. the novel extruding-enlarging branch tray molding machine of combination post grouting process according to claim 1, which is characterized in that described
The material of annular Grouting Pipe is high pressure PVC plastic pipe.
3. combining the operating method of the novel extruding-enlarging branch tray molding machine of post grouting process, which is characterized in that its operating method is such as
Under:
Soil layer geology is regarded first and level of ground water situation uses suitable construction pore-creating method method, and drilling machine is in place and king pile drills
To projected depth, then hydraulic extruding-enlarging branch tray machine is hung in having drilled, it is clear in time by the squeezed branch of design position or force bearing disk
Sky, hole quality will meet specification regulation, and pile bottom sediment is cleaned out；
After the completion of borehole cleaning process, it is intended that and carries out compacted bearing disk pile side grouting behind shaft or drift lining with the present invention, before preparing to transfer steel reinforcement cage,
Bind the pre-buried zinc-plated madjack pipe of φ 15mm on the outside of steel reinforcement cage, madjack pipe upper end is by screwed connection slip casting hose, silk when connection
Buckle need to be wound with adhesive waterproof tape, and lower end connects the both ends of high pressure PVC plastic pipe by positive threeway, and PVC plastic pipe is along steel reinforcement cage
Main reinforcement turns around, and bores 4 eyelets in plastic tube, the position of 4 apertures is evenly distributed on the circumference of annular plastics pipe, wraps band
The shape rubber inner tube of a tyre marks, and is perforated openings towards outside, and every place lays an one-way throttle valve at four eyelets, and checks note
Pipe position and its quality are starched, preparation is completed；
Then decentralization steel reinforcement cage, will be directed at hole location, hang standard and help surely, slowly sink, and avoid collision cinclides, setting position is arrived under steel reinforcement cage
Postpone, should fix immediately, concrete perfusion, conduit bottom end between branch near position when, should descend on the ground pull several consciously
Secondary conduit makes the concrete compaction near disk position, slurry drilled pile construction concrete initial set using the workability of concrete
It needs 7 days or so；
It is cleaved in 3 days with a small amount of clear water after the completion of pile, dredges Grouting Pipe and slurry casting machine；
Get off to configure cement slurry and implement slip casting, surface grout injection device refers to the dress resting on the ground in Grouting engineering
Set, including slip casting hose, pressure pump and slurry pool, wherein the both ends of slip casting hose be respectively connected to pressure pump and slurry pool so that
The two is connected, and the slurries for slip casting are placed in slurry pool, and pressure pump is used for slurry pressure to realize slip casing by pressure, note
It starches pressure and is not less than 1.0MPa, and have to be larger than slip casting depth earth pressure, injection speed preferably uses 30-75L/min, do not answer
More than 75L/min；
Implement generally to use slip casting from top to down when slip casting, to prevent lower slurry from altering along stake Soil Interface, have centainly to top
Initial setting strength after, then successively pour down each pile cutoff in portion, the control of grouting behind shaft or drift lining quality using grouting amount and grouting pressure dual control method, with
Based on the quantity of the cement injected control, pumping stops to terminate slip casting when slip casting total amount reaches actual requirement supplemented by pressure control, remove
Ground installation closes Grouting Pipe, completes slip casting, it is conventional that coring, dynamic survey and ultrasonic wave etc. can be used in compacted bearing disk pile pile quality
Method detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810004125.XA CN109989396A (en) | 2018-01-03 | 2018-01-03 | In conjunction with the novel extruding-enlarging branch tray molding machine and its operating method of post grouting process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810004125.XA CN109989396A (en) | 2018-01-03 | 2018-01-03 | In conjunction with the novel extruding-enlarging branch tray molding machine and its operating method of post grouting process |
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| Publication Number | Publication Date |
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| CN109989396A true CN109989396A (en) | 2019-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810004125.XA Pending CN109989396A (en) | 2018-01-03 | 2018-01-03 | In conjunction with the novel extruding-enlarging branch tray molding machine and its operating method of post grouting process |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030944A (en) * | 2020-09-21 | 2020-12-04 | 中冶建工集团(天津)建设工程有限公司 | Side grouting construction method for cast-in-place pile |
| CN112281816A (en) * | 2020-10-30 | 2021-01-29 | 南京长江都市建筑设计股份有限公司 | Multi-section spliced tubular pile and embedding method thereof |
| CN112376571A (en) * | 2020-11-23 | 2021-02-19 | 中建一局集团建设发展有限公司 | Pile side and pile end integrated grouting device and construction method thereof |
| CN112459071A (en) * | 2020-11-30 | 2021-03-09 | 中国一冶集团有限公司 | Vacuum grouting device for cast-in-situ bored pile and construction method |
| CN114753399A (en) * | 2022-04-18 | 2022-07-15 | 中交第二公路工程局有限公司 | Maintenance structure and construction method for treating coastal high-organic-quality soft soil foundation by using DSM (design system) cement mixing pile |
| CN114753414A (en) * | 2022-04-13 | 2022-07-15 | 中交三航局第三工程有限公司 | Intelligent anti-scouring device and method for annular grid type fluidized soil steel pipe pile |
| CN115369882A (en) * | 2022-09-05 | 2022-11-22 | 中国建筑第七工程局有限公司 | Post grouting device for cast-in-place pile and construction method |
| CN115538506A (en) * | 2022-11-14 | 2022-12-30 | 北京中咨华安交通科技发展有限公司 | Method and device for detecting quality of pile body of bridge squeezed branch pile |
-
2018
- 2018-01-03 CN CN201810004125.XA patent/CN109989396A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030944A (en) * | 2020-09-21 | 2020-12-04 | 中冶建工集团(天津)建设工程有限公司 | Side grouting construction method for cast-in-place pile |
| CN112281816A (en) * | 2020-10-30 | 2021-01-29 | 南京长江都市建筑设计股份有限公司 | Multi-section spliced tubular pile and embedding method thereof |
| CN112376571A (en) * | 2020-11-23 | 2021-02-19 | 中建一局集团建设发展有限公司 | Pile side and pile end integrated grouting device and construction method thereof |
| CN112459071A (en) * | 2020-11-30 | 2021-03-09 | 中国一冶集团有限公司 | Vacuum grouting device for cast-in-situ bored pile and construction method |
| CN112459071B (en) * | 2020-11-30 | 2022-05-10 | 中国一冶集团有限公司 | Vacuum grouting device for cast-in-situ bored pile and construction method |
| CN114753414A (en) * | 2022-04-13 | 2022-07-15 | 中交三航局第三工程有限公司 | Intelligent anti-scouring device and method for annular grid type fluidized soil steel pipe pile |
| CN114753414B (en) * | 2022-04-13 | 2023-07-14 | 中交三航局第三工程有限公司 | Intelligent anti-scouring device and method for annular grid type fluidized soil steel pipe pile |
| CN114753399A (en) * | 2022-04-18 | 2022-07-15 | 中交第二公路工程局有限公司 | Maintenance structure and construction method for treating coastal high-organic-quality soft soil foundation by using DSM (design system) cement mixing pile |
| CN114753399B (en) * | 2022-04-18 | 2023-05-16 | 中交第二公路工程局有限公司 | Maintenance structure and construction method for treating coastal high organic matter soft soil foundation by DSM cement mixing piles |
| CN115369882A (en) * | 2022-09-05 | 2022-11-22 | 中国建筑第七工程局有限公司 | Post grouting device for cast-in-place pile and construction method |
| CN115369882B (en) * | 2022-09-05 | 2024-03-26 | 中国建筑第七工程局有限公司 | Post grouting device for cast-in-place pile and construction method |
| CN115538506A (en) * | 2022-11-14 | 2022-12-30 | 北京中咨华安交通科技发展有限公司 | Method and device for detecting quality of pile body of bridge squeezed branch pile |
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