CN106436703B - PHC tubular pole and its grouting behind shaft or drift lining construction technology for grouting behind shaft or drift lining - Google Patents
PHC tubular pole and its grouting behind shaft or drift lining construction technology for grouting behind shaft or drift lining Download PDFInfo
- Publication number
- CN106436703B CN106436703B CN201610862932.6A CN201610862932A CN106436703B CN 106436703 B CN106436703 B CN 106436703B CN 201610862932 A CN201610862932 A CN 201610862932A CN 106436703 B CN106436703 B CN 106436703B
- Authority
- CN
- China
- Prior art keywords
- slip casting
- cylinder
- grouting
- behind shaft
- drift lining
- Prior art date
- 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.)
- Active
Links
- 238000010276 construction Methods 0.000 title claims abstract description 12
- 238000005516 engineering process Methods 0.000 title claims abstract description 11
- 238000007569 slipcasting Methods 0.000 claims abstract description 76
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 239000004568 cement Substances 0.000 claims description 11
- 239000002689 soil Substances 0.000 claims description 9
- 239000003351 stiffener Substances 0.000 claims description 9
- 230000003068 static effect Effects 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 4
- 239000011398 Portland cement Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000007373 indentation Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000009435 building construction Methods 0.000 abstract description 2
- 239000011513 prestressed concrete Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000009955 starching Methods 0.000 description 1
Classifications
-
- 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
- E02D5/58—Prestressed concrete piles
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to a kind of PHC tubular poles and its grouting behind shaft or drift lining construction technology for grouting behind shaft or drift lining, belong to technical field of building construction, provide a kind of construction is simple, low cost, effectively improve the PHC tubular pole and its grouting behind shaft or drift lining construction technology for grouting behind shaft or drift lining of prestressed pipe pile bearing capacity, used technical solution is that the bottom of pile for prestressed pipe is provided with slip casting cylinder, multiple injected holes are provided on the barrel of slip casting cylinder, the bottom of slip casting cylinder is provided with bottom plate, it is provided with sealing plate at the top of slip casting cylinder, the Grouting Pipe being connected to slip casting cylinder is provided in pile for prestressed pipe；The present invention is widely used in prestressed concrete drilled caisson.
Description
Technical field
The present invention relates to a kind of PHC tubular poles and its grouting behind shaft or drift lining construction technology for grouting behind shaft or drift lining, belong to building construction technology
Field.
Background technique
Pile for prestressed pipe is prefabrication reinforced concrete member, and as house foundation bearing capacity component, intensity is high, is held
It is strong to carry power.But if if bearing capacity of foundation slab is weaker, effective length is too short, it is not able to satisfy requirement for bearing capacity, effective length is too
It is long then uneconomical；Simultaneously pile for prestressed pipe be friction end-bearing pile, due to stake end area is too small and end resistance is smaller, influence prestressing force
The bearing capacity of tubular pole.
Summary of the invention
To solve technical problem of the existing technology, the present invention provides a kind of construction is simple, low cost is effectively improved
The PHC tubular pole and its grouting behind shaft or drift lining construction technology for grouting behind shaft or drift lining of prestressed pipe pile bearing capacity.
To achieve the above object, the technical scheme adopted by the invention is as follows being used for the PHC tubular pole of grouting behind shaft or drift lining, including prestressing force
Tubular pole, the bottom of the pile for prestressed pipe are provided with slip casting cylinder, and multiple injected holes are provided on the barrel of the slip casting cylinder, described
The bottom of slip casting cylinder is provided with bottom plate, and sealing plate is provided at the top of slip casting cylinder, is provided in the pile for prestressed pipe and slip casting
The Grouting Pipe of cylinder connection.Soil cement enlarged footing is formed at stake bottom by grouting behind shaft or drift lining construction technology, effectively improves end resistance.
Preferably, the slip casting cylinder is pyramidal structure, or is cylindrical structure.
Preferably, the diameter of the bottom plate is greater than the diameter of slip casting cylinder, and rigidity meets the requirement of born pressure, and has
It is standby to cause upper part soil body loose and injected hole be opened in slip casting effect.
Preferably, more stiffener plates and guard aperture plate, the barrel of the slip casting cylinder are provided on the barrel of the slip casting cylinder
And its strength and stiffness of reinforcing rib meet the requirement of born pressure, the guard aperture plate is "-" type or L-type, the guard aperture
Plate is located at the lower section of injected hole.
Preferably, metalling is filled in the slip casting cylinder, the ballast grain sizes of the metalling are more than or equal to 40mm.
Preferably, it is provided with slip casting connecting tube on the sealing plate, is provided with pipe fitting in the slip casting connecting tube.
A kind of PHC tubular pole grouting behind shaft or drift lining construction technology, follows the steps below operation,
A, slip casting cylinder is made, opens up injected hole on the barrel of steel cylinder, bottom plate is welded in steel cylinder bottom, on steel cylinder outer wall
Stiffener plate and guard aperture plate are welded, the aperture on sealing plate welds slip casting connecting pipe head, then rubble is filled in steel cylinder,
Sealing plate is welded on steel cylinder again, slip casting cylinder completes；
B, Grouting Pipe is connected in slip casting cylinder, then slip casting cylinder is welded to the stake bottom flange of pile for prestressed pipe；
C, the pile for prestressed pipe in step b is then pressed into foundation soil supporting course by static pressure machine；
D, high-pressure slip-casting is then carried out by Grouting Pipe again, static test can be carried out after conserving 28 days after the completion of slip casting
Examine its bearing capacity.
Preferably, the cement slurry is stirred using 52.5R ordinary portland cement and water, ratio of mud 0.4-1.5, by dilute retrogradation；Note
1-4MP of pressure is starched, is changed from small to big；Grouting striaght cement dosage reaches target value or striaght cement dosage reaches certain value and pressure
Slip casting can be terminated up to 5 minutes or more by continuing 4MP.
Compared with prior art, the present invention has the following technical effects：Present invention process is simple, easy for construction, low cost,
Effectively increase the bearing capacity of pile for prestressed pipe.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of cylindrical slip casting cylinder in the present invention.
Fig. 3 is the structural schematic diagram of taper slip casting cylinder in the present invention.
Fig. 4 is the structural schematic diagram that guard aperture plate is L-type in the present invention.
Fig. 5 is the structural schematic diagram that guard aperture plate is "-" type in the present invention.
In figure：1 is pile for prestressed pipe, and 2 be slip casting cylinder, and 3 be injected hole, and 4 be bottom plate, and 5 be sealing plate, and 6 be Grouting Pipe, 7
It is guard aperture plate for stiffener plate, 8.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
As shown in Figures 1 to 5, for the PHC tubular pole of grouting behind shaft or drift lining, including pile for prestressed pipe 1, the bottom of pile for prestressed pipe 1
It is provided with slip casting cylinder 2, multiple injected holes 3 are provided on the barrel of slip casting cylinder 2, the bottom of slip casting cylinder 2 is provided with bottom plate 4, slip casting
The top of cylinder 2 is provided with sealing plate 5, and the Grouting Pipe 6 being connected to slip casting cylinder is provided in pile for prestressed pipe 1.
Wherein, slip casting cylinder 2 uses pyramidal structure or cylindrical structure made of steel pipe, opens up slip casting on the barrel of slip casting cylinder
Hole, injected hole aperture are 7-8cm, and the guard aperture plate of injected hole bottom welding, guard aperture plate is using a word structure and L-type structure, guard aperture
Soil around injected hole can be cleaved and be separated by plate, prevent soil clogging injected hole；Weld bottom plate, bottom plate in slip casting cylinder bottom
Diameter be greater than slip casting cylinder diameter, in this way static pressure machine by pile for prestressed pipe be pressed into foundation soil supporting course when, bottom plate can make
Soil layer around slip casting cylinder forms loose condition (of surface), is convenient for slip casting；Rubble is filled in slip casting cylinder, ballast grain sizes are more than or equal to 40mm,
Welded seal plate at the top of slip casting cylinder welds stiffener plate on barrel, and sealing plate, bottom plate, stiffener plate and cylinder are integrally molded.This
When slip casting cylinder is welded on pile for prestressed pipe bottom by sample, stiffener plate can enhance the strength and stability of cylinder；Rubble, cement
Slurry, cylinder are capable of forming a closely knit entirety, the load of pile for prestressed pipe can be preferably transmitted, to improve prestressed pipe
The bearing capacity of stake.
In addition, being provided with slip casting connecting tube 10 on sealing plate 5, pipe fitting 11 is provided in slip casting connecting tube 10.Using note
Working efficiency can be improved convenient for the transport of slip casting cylinder and scene quickly assembling by starching connecting tube.
When being constructed, operation is followed the steps below,
A, slip casting cylinder is made, opens up injected hole on the barrel of steel cylinder, bottom plate is welded in steel cylinder bottom, on steel cylinder outer wall
Stiffener plate and guard aperture plate are welded, the aperture on sealing plate welds slip casting connecting pipe head, then rubble is filled in steel cylinder,
Sealing plate is welded on steel cylinder again, slip casting cylinder completes；
B, Grouting Pipe is connected in the slip casting tube head on slip casting cylinder, then slip casting cylinder is welded to the stake bottom flange of pile for prestressed pipe；
C, then by step b can grouting behind shaft or drift lining pile for prestressed pipe by static pressure machine indentation foundation soil supporting course；
D, high-pressure slip-casting is then carried out by Grouting Pipe again, cement slurry is stirred using 52.5R ordinary portland cement and water, the ratio of mud
0.4-1.5, by dilute retrogradation；1-4MP of grouting pressure, changes from small to big；Grouting striaght cement dosage reaches target value or striaght cement
Dosage, which reaches certain value, and pressure continues 4MP can terminate slip casting up to 5 minutes or more.
D, static test, which can be carried out, after conserving 28 days after the completion of slip casting examines its bearing capacity.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all wrap within the scope of the present invention within mind and principle.
Claims (5)
1. being used for the PHC tubular pole of grouting behind shaft or drift lining, including pile for prestressed pipe, it is characterised in that：The bottom of the pile for prestressed pipe is arranged
There is slip casting cylinder, multiple injected holes are provided on the barrel of the slip casting cylinder, the bottom of the slip casting cylinder is provided with bottom plate, slip casting cylinder
Top be provided with sealing plate, the Grouting Pipe being connected to slip casting cylinder is provided in the pile for prestressed pipe；
The diameter of the bottom plate is greater than the diameter of cylinder cylindrical portion；
Guard aperture plate is provided on the barrel of the slip casting cylinder, the guard aperture plate is located at the lower section of injected hole；
Rubble is filled in the slip casting cylinder, the partial size of the rubble is more than or equal to 40mm.
2. the PHC tubular pole according to claim 1 for grouting behind shaft or drift lining, it is characterised in that：The slip casting cylinder is tapered steel knot
Structure, or be cylindrical steel structure.
3. the PHC tubular pole according to claim 1 for grouting behind shaft or drift lining, it is characterised in that：It is set on the barrel of the slip casting cylinder
It is equipped with more stiffener plates.
4. the PHC tubular pole according to claim 1 for grouting behind shaft or drift lining, it is characterised in that：Slip casting cylinder top is provided with
Sealing plate is provided with slip casting connecting pipe head on the sealing plate.
5. carrying out the construction technology of grouting behind shaft or drift lining, feature using any PHC tubular pole for grouting behind shaft or drift lining of claim 1-4
It is：Operation is followed the steps below,
A, slip casting cylinder is made, opens up injected hole on the barrel of steel cylinder, bottom plate is welded in steel cylinder bottom, is welded on steel cylinder outer wall
Stiffener plate and guard aperture plate, the aperture on sealing plate weld slip casting connecting pipe head, then rubble are filled in steel cylinder, then will
Sealing plate is welded on steel cylinder, and slip casting cylinder completes；
B, Grouting Pipe is connected with the slip casting tube head on slip casting cylinder, then the stake bottom flange welding of slip casting cylinder and pile for prestressed pipe is firm
Gu the PHC tubular pole for grouting behind shaft or drift lining completes；
C, then by step b can grouting behind shaft or drift lining pile for prestressed pipe by piling machine indentation foundation soil supporting course；
D, high-pressure slip-casting is then carried out by Grouting Pipe again, cement slurry is stirred using 52.5R ordinary portland cement and water, ratio of mud 0.4-
1.5, by dilute retrogradation；1-4MP of grouting pressure, changes from small to big；Grouting striaght cement dosage reaches target value or striaght cement dosage
Reach certain value and pressure continues 4MP can terminate slip casting up to 5 minutes or more；
E, static test, which can be carried out, after conserving 28 days after the completion of slip casting examines its bearing capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610862932.6A CN106436703B (en) | 2016-09-29 | 2016-09-29 | PHC tubular pole and its grouting behind shaft or drift lining construction technology for grouting behind shaft or drift lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610862932.6A CN106436703B (en) | 2016-09-29 | 2016-09-29 | PHC tubular pole and its grouting behind shaft or drift lining construction technology for grouting behind shaft or drift lining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106436703A CN106436703A (en) | 2017-02-22 |
| CN106436703B true CN106436703B (en) | 2018-11-23 |
Family
ID=58169791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610862932.6A Active CN106436703B (en) | 2016-09-29 | 2016-09-29 | PHC tubular pole and its grouting behind shaft or drift lining construction technology for grouting behind shaft or drift lining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106436703B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114134896A (en) * | 2021-10-13 | 2022-03-04 | 王伟泽 | Grouting device and post-grouting process for post-grouting of PHC (prestressed high-strength concrete) tubular pile |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2858774Y (en) * | 2005-12-29 | 2007-01-17 | 王永强 | Gunite type pile tip for prestressed pipe pile |
| CN205604251U (en) * | 2016-04-22 | 2016-09-28 | 江苏巨鑫石油钢管有限公司 | A slip casting system that is used for pier, bridge pile steel pipe |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100507159C (en) * | 2003-04-29 | 2009-07-01 | 立基工程有限公司 | Combined pile section with reinfored horizontal bending strength and rigidity and its construction method |
| CN1896383B (en) * | 2005-07-14 | 2011-12-07 | 胡柏英 | Steel-pipe concrete assembled pile of predrilled hole rock-embedded and its construction |
| US7909541B1 (en) * | 2008-10-24 | 2011-03-22 | Synchro Patents, Inc. | Apparatus and method for improved grout containment in post-grouting applications |
| CN206591513U (en) * | 2016-09-29 | 2017-10-27 | 李昊洋 | Slip casting cylinder for PHC pile tubes |
-
2016
- 2016-09-29 CN CN201610862932.6A patent/CN106436703B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2858774Y (en) * | 2005-12-29 | 2007-01-17 | 王永强 | Gunite type pile tip for prestressed pipe pile |
| CN205604251U (en) * | 2016-04-22 | 2016-09-28 | 江苏巨鑫石油钢管有限公司 | A slip casting system that is used for pier, bridge pile steel pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106436703A (en) | 2017-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104234055B (en) | A kind of prefabricated pile post-grouting device and technique thereof | |
| CN104846841B (en) | Anti-floating construction method for basements without uplift piles | |
| CN104005404B (en) | A kind of pile for prestressed pipe of outsourcing active material pile body and construction method | |
| CN102852141B (en) | Rock-socketed pipe pile foundation with pile core by concrete pouring and pile side by static pressure grouting and construction method for rock-socketed pipe pile foundation | |
| CN103485334B (en) | Bi-layer plastic-bushing inverted-arch cambered hollow special-shaped pile and construction method | |
| CN102505684A (en) | Hollow stiffness-core slurry-solidified discrete material pile and construction method thereof | |
| CN104563101B (en) | A kind of composite pile structure as agent structure column and construction method thereof | |
| CN102808407B (en) | Construction method of soft-foundation reinforced concrete cast-in-place pile | |
| CN110593247A (en) | Electroosmotic gravel grouting pile and construction method thereof | |
| CN106436703B (en) | PHC tubular pole and its grouting behind shaft or drift lining construction technology for grouting behind shaft or drift lining | |
| CN104074197A (en) | Large-diameter thin-walled tubular pile composite anchor rod type foundation pit support structure and construction method thereof | |
| CN203613568U (en) | Anti-floating cement soil pile and anti-floating anchor rod combined anti-floating system | |
| CN210562162U (en) | Prefabricated tubular pile crackle prosthetic devices | |
| CN210266039U (en) | Active ejection type pile end rear grouting valve | |
| CN105421446B (en) | A kind of construction method of composite soil extruding solidification prefabricated pile for treatment of soft foundation | |
| CN206591513U (en) | Slip casting cylinder for PHC pile tubes | |
| CN201292528Y (en) | Grouting machine | |
| CN202787275U (en) | Tubular soil nailing wall of novel pneumatic impact anchor | |
| CN203594025U (en) | Bi-layer plastic-bushing inverted-arch cambered hollow special-shaped pile | |
| CN211036960U (en) | Electroosmosis gravel grouting pile | |
| CN206800379U (en) | Grouting behind shaft or drift lining pre-stress hollow square pile | |
| CN202989911U (en) | Post-grouting pile of precast concrete | |
| CN110144894A (en) | A kind of pile end grouting miniature steel pipe static pressed pile | |
| CN206495205U (en) | A kind of prefabricated PHC pile tubes | |
| CN201635072U (en) | Centrally grouted static-pressured anchor pile former |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240814 Address after: Room 201, Unit 1, Building M5, No. 99 Changzhi Road, Xiaodian District, Taiyuan City, Shanxi Province 030006 Patentee after: Li Xiaojie Country or region after: China Patentee after: Xie Kairui Address before: 030009 Sunshine Zone M5-1-201, Xiaodian District, Taiyuan City, Shanxi Province Patentee before: Li Haoyang Country or region before: China |
|
| TR01 | Transfer of patent right |