CN107237319B - A kind of tubular pole and its construction method with post jacking Grouting Pipe - Google Patents
A kind of tubular pole and its construction method with post jacking Grouting Pipe Download PDFInfo
- Publication number
- CN107237319B CN107237319B CN201710470201.1A CN201710470201A CN107237319B CN 107237319 B CN107237319 B CN 107237319B CN 201710470201 A CN201710470201 A CN 201710470201A CN 107237319 B CN107237319 B CN 107237319B
- Authority
- CN
- China
- Prior art keywords
- tubular pole
- grouting
- grouting pipe
- segment
- steel pile
- 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
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
-
- 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
Landscapes
- 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 provides a kind of tubular pole with post jacking Grouting Pipe, including tubular pole ontology, tubular pole the body interior steel pile tip that symmetrically arranged Grouting Pipe and tubular pole ontology lower end are arranged centered on its axis；Grouting Pipe is corresponded on the steel pile tip and offers slurry outlet, is welded with the plugging plate for covering slurry outlet and can be opened by grouting pressure in corresponding slurry outlet location point.Wherein, Grouting Pipe is vertically arranged two.Tubular pole ontology is that more piece is docked, and the Grouting Pipe includes several segments that corresponding tubular pole segmental length matches, and the slip casting tube segment connects at section close to tubular pole ontology through tube coupling connection.The invention effectively improves concrete precast pipe pile bearing capacity of single pile, improves the compression modulus of foundation soil, reduces the sedimentation of building, and reduction stake is long, reduces stake number, guarantees the stability of building, saves construction cost.
Description
Technical field
The invention belongs to concrete precast pipe pile field of engineering technology, more particularly, to a kind of band post jacking Grouting Pipe
Tubular pole and its construction method.
Background technique
With the development of the city, building site is more and more nervous, and depth of building is also continuously increased, to foundation bearing capacity
It is required that being also continuously improved, in order to meet ground requirement for bearing capacity, most of basement process is all selected for small high-rise, skyscraper at present
Concrete precast pipe pile, concrete precast pipe pile construction are limited by technique, are generally used in clay, silt and Soft Soil Layer, but
The bearing capacity of clay, silt and weak soil is smaller, and compression modulus is small, while stake end at most can only enter in intense weathering munstone layer, stake
Hold bearing capacity it is very small, design calculate when be generally that calculating is designed by frictional force in side-pile, cause the stake of engineering pile long compared with
Length, stake number are more.
Summary of the invention
In view of this, the invention is intended to overcome above-mentioned defect existing in the prior art, a kind of band post jacking is proposed
The tubular pole and its construction method of Grouting Pipe.
In order to achieve the above objectives, the technical solution of the invention is achieved in that
A kind of tubular pole with post jacking Grouting Pipe, including tubular pole ontology, tubular pole body interior are symmetrical centered on its axis
The Grouting Pipe of setting and the steel pile tip of tubular pole ontology lower end setting；Grouting Pipe, which is corresponded to, on the steel pile tip offers slurry outlet,
The plugging plate for covering slurry outlet and can be opened by grouting pressure is welded in corresponding slurry outlet location point.
Further, the Grouting Pipe is vertically arranged two.
Further, the tubular pole ontology is that more piece is docked, and the Grouting Pipe includes that corresponding tubular pole segment is long
The several segments to match are spent, the slip casting tube segment connects at section close to tubular pole ontology through tube coupling connection.
Further, slip casting tube segment top is lower than corresponding tubular pole segment top 20-40mm.
A kind of construction method using the above-mentioned tubular pole with post jacking Grouting Pipe, includes the following steps:
1. making matched slip casting tube segment by tubular pole segmental length；
2. making steel pile tip, and injected hole is opened up on steel pile tip, corresponding injected hole welds Grouting Pipe in steel pile tip upper end
Segment is used for the plugging plate that covers in slurry outlet and can be opened by grouting pressure in the spot welding of steel pile tip lower end；
3. steel pile tip is welded on first segment tubular pole lower end, first segment Grouting Pipe is weldingly fixed on first segment pipe
Stake inner wall, lifts the tubular pole segment, piling to pile extension height；
4. connecting second section Grouting Pipe by tube coupling in each slip casting tube segment connecting with steel pile tip；Lifting the
Two segment tubular poles carry out and the pile connection construction of first segment tubular pole, later piling, then repeatedly Grouting Pipe connection and tubular pile splicing
Construction, until last segment tube pile construction finishes；
5. grouting pipeline on grouting pump is connect with the Grouting Pipe in tubular pole, open grouting pump, by design grouting pressure and
Grouting amount slip casting.
Further, the injected hole on steel pile tip is symmetrical set two.
Further, when by last segment tubular pole piling to top surface apart from ground 1m or so, the pipe cap in its top tape,
Pile follower is to designed elevation later.
Further, when stake end is clay, used grouting pressure is 2MPa, grouting amount 2t.
Compared with the existing technology, the invention has the advantage that
The tubular pole and construction method with post jacking Grouting Pipe that the invention provides, it is poor especially suitable for geological conditions
Clay, soft soil foundation concrete precast pipe pile foundation treatment engineering.Concrete precast pipe pile single pile bearing can be effectively improved
Power improves the compression modulus of foundation soil, reduces the sedimentation of building, and reduction stake is long, reduces stake number, guarantees the stabilization of building
Property, save construction cost.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide to further understand the invention, present invention wound
The illustrative embodiments and their description made are used to explain the present invention creation, do not constitute the improper restriction to the invention.?
In attached drawing:
Fig. 1 is the structural schematic diagram of the invention；
Fig. 2 is the bottom view of Fig. 1；
Fig. 3 is that tubular pole connects the structure sectional view at section in the invention；
Fig. 4 is the structure section view of steel pile tip and tubular pole junction in the invention.
Description of symbols:
1- tubular pole ontology；2- Grouting Pipe；3- steel pile tip；4- slurry outlet；5- plugging plate；6- tubular pole segment；7- slip casting tube coupling
Section；8- tube coupling；9- tubular pole ontology connects at section.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the invention can
To be combined with each other.
In the description of the invention, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the invention and simplifies description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For the limitation to the invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.In the description of the invention, unless separately
It is described, the meaning of " plurality " is two or more.
In the description of the invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments creates.
A kind of tubular pole with post jacking Grouting Pipe, as shown in Figures 1 to 4, including with it inside tubular pole ontology 1, tubular pole ontology 1
Symmetrically arranged Grouting Pipe 2 and the steel pile tip 3 of 1 lower end of tubular pole ontology setting centered on axis；It is corresponding on the steel pile tip 3
Grouting Pipe offers slurry outlet 4, is welded in corresponding 4 location point of slurry outlet for covering slurry outlet and can be opened by grouting pressure
Plugging plate 5.
Above-mentioned Grouting Pipe 2 is vertically arranged two, correspondingly, the injected hole on steel pile tip is symmetrical set two.Slip casting
When, symmetrically from tubular pole two sides pulp, it is ensured that come into full contact with, mix with stake end clay.
Above-mentioned tubular pole ontology 1 is that more piece is docked, as shown in Figure 1, including multiple tubular pole segments 6, correspondingly, the note
Slurry pipe 2 includes several segments that corresponding tubular pole segmental length matches, as shown in Figure 1, including several slip casting tube couplings
Section 7；The slip casting tube segment is connected by tube coupling 8 connecing at section 9 close to tubular pole ontology.Either tubular pole or Grouting Pipe connects
Continue all very convenient, construction is simple, it is easily operated, it avoids long length tubular pole segment or the construction of Grouting Pipe bring is inconvenient.
When construction, above-mentioned 7 top of slip casting tube segment is lower than corresponding 6 top 20-40mm of tubular pole segment.Work as Grouting Pipe
After 2 upper ends connect tube coupling 8,8 top surface of tube coupling is lower than the tubular pole top surface 10-20mm or so of corresponding segment, in order in piling
In the process, the pipe that Driven Piles or when static pressed pile will not directly touch Grouting Pipe connects, and will not damage Grouting Pipe.
A kind of construction method of the above-mentioned tubular pole with post jacking Grouting Pipe, includes the following steps:
1. making matched slip casting tube segment by tubular pole segmental length；
2. making steel pile tip, and injected hole is opened up on steel pile tip, corresponding injected hole welds Grouting Pipe in steel pile tip upper end
Segment is used for the plugging plate that covers in slurry outlet and can be opened by grouting pressure in the spot welding of steel pile tip lower end；It may be noted that
It is that plugging plate is mainly used for preventing sundries from entering Grouting Pipe when piling, while being ensured that in slip casting, and grouting pressure can be by it
It opens；
3. steel pile tip is welded on first segment tubular pole lower end, first segment Grouting Pipe is weldingly fixed on first segment pipe
Stake inner wall, lifts the tubular pole segment, piling to pile extension height；
4. connecting second section Grouting Pipe by tube coupling in each slip casting tube segment connecting with steel pile tip；Lifting the
Two segment tubular poles carry out and the pile connection construction of first segment tubular pole, later piling, then repeatedly Grouting Pipe connection and tubular pile splicing
Construction, until last segment tube pile construction finishes；
It should be pointed out that being infused when by the hammering of last segment tubular pole or static pressure to apart from ground 1000mm or so
Slurry pipe takes pipe cap, and the end plate inwall of pipe cap and tubular pole is welded and fixed, and is then further continued for downward pile follower to designed elevation；
5. being finished in tube pile construction, after excavation of foundation pit exposes tubular pile head, the construction of tubular pole grouting behind shaft or drift lining is carried out, needs to illustrate
Be, grouting behind shaft or drift lining construction before, first by the top of Grouting Pipe pipe cap take out, by the Grouting Pipe in the Grouting Pipe and tubular pole on grouting pump into
Row connection, is then turned on grouting pump, by design grouting pressure and grouting amount slip casting.
In general, 5. the middle grouting pressure used is 2MPa to arrangement, grouting amount 2t when stake end is clay.
The invention is by forming the clay at pipe pile end with cement slurry to concrete precast pipe pile post grouting under pile
Fine and close soil cement improves the compression modulus of concrete tubular pile stake end and stake surrounding soil, to improve concrete precast pipe pile
Bearing capacity of single pile and reduce building settling amount.
The foregoing is merely the preferred embodiments of the invention, are not intended to limit the invention creation, all at this
Within the spirit and principle of innovation and creation, any modification, equivalent replacement, improvement and so on should be included in the invention
Protection scope within.
Claims (4)
1. a kind of construction method using the tubular pole with post jacking Grouting Pipe, the tubular pole with post jacking Grouting Pipe includes tubular pole sheet
Body, tubular pole body interior symmetrically arranged Grouting Pipe and the steel pile tip of tubular pole ontology lower end setting centered on its axis；Institute
It states and corresponds to Grouting Pipe on steel pile tip and offer slurry outlet, be welded in corresponding slurry outlet location point for covering slurry outlet and can quilt
The plugging plate that grouting pressure opens；It is characterized by comprising the following steps:
1. making matched slip casting tube segment by tubular pole segmental length；
2. making steel pile tip, and injected hole being opened up on steel pile tip, corresponding injected hole welds slip casting tube segment in steel pile tip upper end,
The plugging plate that covers in slurry outlet and can be opened by grouting pressure is used in the spot welding of steel pile tip lower end；
3. steel pile tip is welded on first segment tubular pole lower end, first segment Grouting Pipe is weldingly fixed in first segment tubular pole
Wall lifts the tubular pole segment, piling to pile extension height；
4. connecting second section Grouting Pipe by tube coupling in each slip casting tube segment connecting with steel pile tip；Lift the second section
Section tubular pole carries out the pile connection construction with first segment tubular pole, and piling later, then repeatedly Grouting Pipe connection and tubular pile splicing are applied
Work, until last segment tube pile construction finishes；
5. grouting pipeline on grouting pump is connect with the Grouting Pipe in tubular pole, grouting pump is opened, by design grouting pressure and slip casting
Measure slip casting.
2. construction method according to claim 1, it is characterised in that: the injected hole on steel pile tip is symmetrical set two
It is a.
3. construction method according to claim 1, it is characterised in that: by last segment tubular pole piling to top surface distance
When the 1m of ground, the pipe cap in its top tape, pile follower to designed elevation later.
4. construction method according to claim 1, it is characterised in that: when stake end is clay, the arrangement 5. middle slip casting used
Pressure is 2MPa, grouting amount 2t.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710470201.1A CN107237319B (en) | 2017-06-20 | 2017-06-20 | A kind of tubular pole and its construction method with post jacking Grouting Pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710470201.1A CN107237319B (en) | 2017-06-20 | 2017-06-20 | A kind of tubular pole and its construction method with post jacking Grouting Pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107237319A CN107237319A (en) | 2017-10-10 |
| CN107237319B true CN107237319B (en) | 2019-09-20 |
Family
ID=59986477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710470201.1A Active CN107237319B (en) | 2017-06-20 | 2017-06-20 | A kind of tubular pole and its construction method with post jacking Grouting Pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107237319B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110952546A (en) * | 2019-11-12 | 2020-04-03 | 浙江二十冶建设有限公司 | Tubular pile construction method |
| CN113266013B (en) * | 2021-04-21 | 2022-10-04 | 隋付仁 | Pile end pressure grouting construction method for prestressed concrete pipe pile |
| CN113882363A (en) * | 2021-10-26 | 2022-01-04 | 中建三局第一建设工程有限责任公司 | Pile end post-grouting device, grouting method and construction method for CFG pile |
| CN114411727B (en) * | 2022-02-25 | 2024-02-20 | 南京东土建设科技有限公司 | Built-in post grouting device for realizing multi-depth grouting of tubular piles |
| CN115012398B (en) * | 2022-06-29 | 2023-08-04 | 国网江苏省电力工程咨询有限公司 | Large-diameter concrete filled steel tube structure and construction method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2425952Y (en) * | 1999-04-30 | 2001-04-04 | 中国第一冶金建设公司技术开发公司 | Mud-pressing, soil-retaining and water-stopping foundation pit supporting and mud-pressing apparatus after pile pouring |
| CN2663516Y (en) * | 2003-10-30 | 2004-12-15 | 北京城建集团有限责任公司 | Back pressing slurry injecting device to side and bottom of pile in drilling caisson pile procession |
| KR101620558B1 (en) * | 2015-10-30 | 2016-05-12 | 원우산업개발 주식회사 | Composite pile using multi support plate and the construction method therefor |
| KR101635529B1 (en) * | 2015-11-17 | 2016-07-04 | 이강수 | Composite pile construction method |
| CN206052722U (en) * | 2016-08-11 | 2017-03-29 | 樊杰 | A kind of device of prestressed pipe post-pressure grouting |
-
2017
- 2017-06-20 CN CN201710470201.1A patent/CN107237319B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107237319A (en) | 2017-10-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107237319B (en) | A kind of tubular pole and its construction method with post jacking Grouting Pipe | |
| CN207079577U (en) | Pile for prestressed pipe | |
| CN104234055B (en) | A kind of prefabricated pile post-grouting device and technique thereof | |
| CN205530247U (en) | Prebored hole bag slip casting stock structure | |
| CN102383431B (en) | Middle pick prestressed centrifugally pile tube pile-sinking device and pile sinking method thereof | |
| CN106368219B (en) | A kind of the support reinforcement structure and construction method of deep basal pit | |
| CN203741820U (en) | Cast-in-situ bored pile structure for karst area | |
| CN103031839A (en) | Construction method of hand-dug piles | |
| CN109930609A (en) | A kind of campshed composite supporting construction and its construction method for upper-soft lower-hard ground | |
| CN108532586A (en) | A kind of construction method of garage parking diaphram wall | |
| CN106522191A (en) | Transformer substation foundation treatment method and application thereof | |
| CN103603379A (en) | Anti-floating system combining anti-floating cement soil pile and anti-floating anchor rod and construction process of anti-floating system | |
| CN114033388B (en) | Shaft construction method for water-rich silty sand layer underground tunnel roof pipe | |
| CN102808407A (en) | Construction method of soft-foundation reinforced concrete cast-in-place pile | |
| CN102220764B (en) | Construction method of deep foundation pit bracing system | |
| CN203613568U (en) | Anti-floating cement soil pile and anti-floating anchor rod combined anti-floating system | |
| CN106088123A (en) | A kind of sand geology steel tube well fall water level device and construction method thereof | |
| CN206220101U (en) | A kind of support reinforcement structure of deep basal pit | |
| CN106087976B (en) | A kind of concrete prefabricated friction pile and pile sinking process | |
| CN205046592U (en) | Building foundation consolidates stake | |
| CN104831735B (en) | The sealing supporting construction of a kind of curtain unification and construction method thereof and construction equipment | |
| CN103556629B (en) | A kind of construction method of shaped pile | |
| CN106703023B (en) | A kind of four wing prefabricated pile of hydraulic paddle type mill and its construction method | |
| CN206591540U (en) | Basement bottom board cushion cap and engineering pile attachment structure | |
| CN103790162B (en) | Synchronous mode steel sheet pile stake holes filling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |