CN110080211A - A kind of candidate formula slip casting solid piling method entirely - Google Patents
A kind of candidate formula slip casting solid piling method entirely Download PDFInfo
- Publication number
- CN110080211A CN110080211A CN201910401821.9A CN201910401821A CN110080211A CN 110080211 A CN110080211 A CN 110080211A CN 201910401821 A CN201910401821 A CN 201910401821A CN 110080211 A CN110080211 A CN 110080211A
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- CN
- China
- Prior art keywords
- vertical
- grouting pipe
- slip casting
- groups
- stirrup
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
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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 invention discloses a kind of candidate formula slip casting of construction engineering technical field solid piling methods entirely, comprise the following steps step: a. makes steel reinforcement cage, steel reinforcement cage includes the vertical reinforcing bar of multiple groups and multiple groups uniform intervals stirrup, the vertical reinforcing bar of stirrup by iron wire binding and fixing or is welded with the two groups of vertical Grouting Pipes in left and right by iron wire binding and fixing or welding, and on the inside of stirrup；B. two groups of vertical slip casting pipe outer walls are installed into annular Grouting Pipe by evenly spaced connector；C. the outer wall of 20 centimeters of vertical slip casting bottom of the tube and annular Grouting Pipe is bored into slurry outlet, 3 millimeters of pulp bore dia, slurry outlet and between the upper and lower away from 3~5 centimeters；D. steel reinforcement cage is placed into progress pile body in stake holes to pour, after the completion of pouring, after waiting pile concretes initial set, opens plug with high pressure water (8.0MPa)；E. start slip casting after seven days, the pressure of grouting pump is controlled in 2~5MPa, and two groups of vertical Grouting Pipe intermittent cyclic mud jacking increase the bearing area at end, improve the bearing capacity of a surrounding soil.
Description
Technical field
The present invention relates to construction engineering technical field, specially a kind of candidate formula slip casting solid piling method entirely.
Background technique
As the height of urban skyscraper is higher and higher, just higher and higher, institute is required also to the bearing capacity of pile foundation
Supplementary technology means must be used with existing pile foundation technology, a technical treatment is done to the unfavorable geology layer under earth's surface to meet into
For the requirement of supporting course, it otherwise can not just meet a requirement for side bearing capacity and bearing capacity of pile tip simultaneously.For this purpose, it is proposed that one
Plant candidate formula slip casting solid piling method entirely.
Summary of the invention
The purpose of the present invention is to provide a kind of candidate formula slip casting solid piling methods entirely, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of candidate formula slip casting solid piling method entirely, including
Following process step:
A. steel reinforcement cage is made, steel reinforcement cage includes the vertical reinforcing bar of multiple groups and multiple groups uniform intervals stirrup, and quantity is according to pile
Size selection, stirrup and vertical reinforcing bar pass through iron wire binding and fixing or weldering by iron wire binding and fixing or welding on the inside of stirrup
It is connected to the two groups of vertical Grouting Pipes in left and right；
B. two groups of vertical slip casting pipe outer walls are installed into annular Grouting Pipe, the vertical Grouting Pipe in left and right by evenly spaced connector
The annular Grouting Pipe of outer wall is in staggered distribution up and down；
C. the outer wall of 20 centimeters of vertical slip casting bottom of the tube and annular Grouting Pipe is bored into slurry outlet, 3 millimeters of pulp bore dia,
Slurry outlet and between the upper and lower away from 3~5 centimeters；
D. steel reinforcement cage is placed into progress pile body in stake holes to pour, after the completion of pouring, after waiting pile concretes initial set, with height
Pressure water (8.0MPa) opens plug；
E. start slip casting after seven days, grouting cement uses ordinary portland cement, and the control of the slurries ratio of mud is infused 0.6
The pressure of stock pump is controlled in 2~5MPa, two groups of vertical Grouting Pipe intermittent cyclic mud jacking.
Further, the vertical Grouting Pipe uses diameter to make for the black pipe of 25mm, infuses vertically described in two adjacent groups
Starch pipe connecting pin setting external screw thread simultaneously by inner screw sheath connection, the vertical slip casting length of tube has more 35 than length of reinforcing cage~
55cm, the vertical Grouting Pipe extend steel reinforcement cage bottom 5cm in stake bottom, and it is mixed that the top of the vertical Grouting Pipe is higher by stake top
Solidifying soil 30~50cm of face.
Further, the bottom of the vertical Grouting Pipe is provided with check valve.
Further, the slurry outlet outer layer covers elastic rubber layer, rubber layer be staggered pulp hole site open up it is logical
Hole.
Further, the outside of stirrup is arranged in close to bottom bending for the vertical Grouting Pipe.
Compared with prior art, the beneficial effects of the present invention are: the technology will by vertical Grouting Pipe and annular Grouting Pipe
Cement grout penetrates into loose stake end and stake side, forms the higher concrete of intensity, lasting cement grout perfusion, mud to
It is permeated in bearing course at pile end, increases the bearing strength at end, when cement grout penetrates into the breach of fine mesh after plug is opened in a side
In, the bearing capacity of a surrounding soil is improved, to improve bearing capacity of single pile, sedimentation is avoided to deviate.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the vertical Grouting Pipe of the present invention and annular Grouting Pipe structural schematic diagram.
In figure: 1 vertical reinforcing bar, 2 stirrups, 3 vertical Grouting Pipes, 31 connectors, 4 annular Grouting Pipes, 5 slurry outlets, 6 check valves.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of candidate formula slip casting solid piling method entirely, including such as
Lower process:
A. steel reinforcement cage is made, steel reinforcement cage includes the vertical reinforcing bar 1 of multiple groups and multiple groups uniform intervals stirrup 2, and quantity is according to stake
Column dimension selection, stirrup 2 and vertical reinforcing bar 1 pass through iron wire binding and fixing by iron wire binding and fixing or welding on the inside of stirrup 2
Or it is welded with the two groups of vertical Grouting Pipes 3 in left and right；
B. two groups of vertical 3 outer walls of Grouting Pipe are installed into annular Grouting Pipe 4, the vertical note in left and right by evenly spaced connector 31
About the 4 annular Grouting Pipe of slurry 3 outer wall of pipe is in staggered distribution, and guarantees uniformity when slip casting；
C. the outer wall of 20 centimeters of vertical 3 bottom of Grouting Pipe and annular Grouting Pipe 4 is bored into slurry outlet 5,5 diameter 3 of slurry outlet
Millimeter, slurry outlet 5 and between the upper and lower away from 3~5 centimeters carry out slip casting to stake side；
D. steel reinforcement cage is placed into progress pile body in stake holes to pour, after the completion of pouring, after waiting pile concretes initial set, with height
Pressure water (8.0MPa) opens plug, with clear water to the slabbing action of soil layer around, at subtle netted, creates conditions for slip casting；
E. start slip casting after seven days, seven day time guaranteed the concrete setting poured, cement grout when can prevent slip casting
Emerge from weak place is closed on, grouting cement uses ordinary portland cement, the control of the slurries ratio of mud 0.6, grouting pump
Pressure is controlled in 2~5MPa, two groups of vertical 3 intermittent cyclic mud jacking of Grouting Pipe.
As shown in Figure 1, vertical Grouting Pipe 3 uses diameter to make for the black pipe of 25mm, the vertical Grouting Pipe 3 of two adjacent groups connects
It connects end setting external screw thread and is connected by inner screw sheath, vertical 3 length of Grouting Pipe has more 35~55cm than length of reinforcing cage, vertically
Grouting Pipe 3 extends steel reinforcement cage bottom 5cm in stake bottom, guarantees cement grout constantly to due to the stake soft by mud dipping
Permeated in the supporting course of end, increase the bearing area at end, the top of vertical Grouting Pipe 3 be higher by stake top concrete surface 30~
50cm facilitates connection cement grout delivery pipe；
As shown in Fig. 2, the bottom of vertical Grouting Pipe 3 is provided with check valve 6, guarantee that concrete grout will not when recycling slip casting
By mud jacking blockage；
5 outer layer covers elastic rubber layer of slurry outlet is opening up through-hole in rubber layer 5 position of slurry outlet that is staggered, simply formed
Unidirectional grout hole avoids cement grout refluence from resulting in blockage；
As shown in Figure 1, the outside of stirrup 2 is arranged in close to bottom bending for vertical Grouting Pipe 3, it is convenient to bottom stake end and stake
The slip casting of side.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of candidate formula slip casting solid piling method entirely, it is characterised in that: comprise the following steps step:
A. steel reinforcement cage is made, steel reinforcement cage includes the vertical reinforcing bar of multiple groups (1) and multiple groups uniform intervals stirrup (2), and quantity is according to stake
Column dimension selection, stirrup (2) and vertical reinforcing bar (1) are tied up by iron wire binding and fixing or welding, and on the inside of stirrup (2) by iron wire
It pricks and fixes or be welded with the two groups of vertical Grouting Pipes (3) in left and right；
B. two groups of vertical Grouting Pipe (3) outer walls are installed into annular Grouting Pipe (4) by evenly spaced connector (31), left and right is vertical
The annular Grouting Pipe (4) of Grouting Pipe (3) outer wall is in staggered distribution up and down；
C. the outer wall of 20 centimeters of vertical Grouting Pipe (3) bottom and annular Grouting Pipe (4) is bored slurry outlet (5), slurry outlet (5) is straight
3 millimeters of diameter, slurry outlet (5) and between the upper and lower away from 3~5 centimeters；
D. steel reinforcement cage is placed into progress pile body in stake holes to pour, after the completion of pouring, after waiting pile concretes initial set, uses high pressure water
(8.0MPa) opens plug；
E. start slip casting after seven days, grouting cement uses ordinary portland cement, and the control of the slurries ratio of mud is 0.6, grouting pump
Pressure control in 2~5MPa, two groups of vertical Grouting Pipe (3) intermittent cyclic mud jacking.
2. a kind of candidate formula slip casting according to claim 1 solid piling method entirely, it is characterised in that: the vertical Grouting Pipe
(3) diameter is used to make for the black pipe of 25mm, vertical Grouting Pipe (3) connecting pin setting external screw thread described in two adjacent groups simultaneously passes through
Inner screw sheath connection, vertical Grouting Pipe (3) length have more 35~55cm, the vertical Grouting Pipe (3) than length of reinforcing cage
Extend steel reinforcement cage bottom 5cm in stake bottom, the top of the vertical Grouting Pipe (3) is higher by 30~50cm of stake top concrete surface.
3. a kind of candidate formula slip casting according to claim 1 solid piling method entirely, it is characterised in that: the vertical Grouting Pipe
(3) bottom is provided with check valve (6).
4. a kind of candidate formula slip casting according to claim 1 solid piling method entirely, it is characterised in that: the slurry outlet (5)
Outer layer covers elastic rubber layer is opening up through-hole in rubber layer slurry outlet (5) position that is staggered.
5. a kind of candidate formula slip casting according to claim 1 solid piling method entirely, it is characterised in that: the vertical Grouting Pipe
(3) close to bottom, bending is arranged in the outside of stirrup (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910401821.9A CN110080211A (en) | 2019-05-15 | 2019-05-15 | A kind of candidate formula slip casting solid piling method entirely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910401821.9A CN110080211A (en) | 2019-05-15 | 2019-05-15 | A kind of candidate formula slip casting solid piling method entirely |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110080211A true CN110080211A (en) | 2019-08-02 |
Family
ID=67420220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910401821.9A Withdrawn CN110080211A (en) | 2019-05-15 | 2019-05-15 | A kind of candidate formula slip casting solid piling method entirely |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110080211A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074882A (en) * | 2019-12-16 | 2020-04-28 | 温州中领建设有限公司 | Multiple three-dimensional cast-in-place pile structure and method for casting pile body |
-
2019
- 2019-05-15 CN CN201910401821.9A patent/CN110080211A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074882A (en) * | 2019-12-16 | 2020-04-28 | 温州中领建设有限公司 | Multiple three-dimensional cast-in-place pile structure and method for casting pile body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190923 Address after: 221000 Building 1-1003, Office F, Green Business City, Yunlong District, Xuzhou City, Jiangsu Province Applicant after: Jiangsu Hanlong Building Material Technology Co.,Ltd. Address before: Room 1101, Building 1, Building 2, Taishan District Complex Building, Quanshan District, Xuzhou City, Jiangsu Province, 221000 Applicant before: Wang Cong |
|
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190802 |