CN205369231U - Steel -pipe pile is filled in drilling - Google Patents
Steel -pipe pile is filled in drilling Download PDFInfo
- Publication number
- CN205369231U CN205369231U CN201620095038.6U CN201620095038U CN205369231U CN 205369231 U CN205369231 U CN 205369231U CN 201620095038 U CN201620095038 U CN 201620095038U CN 205369231 U CN205369231 U CN 205369231U
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- pile
- steel
- pipe
- grouting pipe
- pipe pile
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Abstract
The utility model discloses a steel -pipe pile is filled in drilling, the pile foundation engineering that relates to the soil and rock mechanics is technological. The utility model discloses a structure mainly is: evenly being provided with 4 lateral wall slip casting pipes perpendicularly at the outer wall of steel -pipe pile, evenly being provided with 4 back mud jacking slip casting pipes perpendicularly at the inner wall of steel -pipe pile, 4 lateral wall slip casting pipes each other be even crisscross with 4 back mud jacking slip castings pipes, at the outer wall of steel -pipe pile, set up the horizontal stirrup of round along vertical every 50cm distance, and deal with division is managed in back mud jacking slip casting to the stirrup to constitute prefabricated pile body, be provided with above -mentioned prefabricated pile body perpendicularly in drilling, pour the concrete in the steel -pipe pile, back mud jacking slip casting pipe, lateral wall slip casting is intraductal and space beyond the pile body in pour the grout. Compared with the prior art, the utility model discloses the efficiency of construction is high, can guarantee the hang down straightness and the quality of pile body, the good reliability, during the pile group construction, prefabricated high cushion cap of pile body mountable and pier.
Description
Technical field
This utility model relates to the pile foundation engineering technique of rock-soil mechanics, is specifically related to a kind of drill-pouring steel-pipe pile.
Background technology
In port engineering and offshore engineering, Vertical spots and reinforcing pile application are general.The pile body of Vertical spots goes out more than the water surface, and structure is exposed throughout type, the reflection of wave is little, it is easy to alongside；Pile foundation has the advantages that stress performance is good and stability in the large is strong.
Pile foundation in port engineering adopts concrete precast pile and pre-manufactured steel pile tube in a large number, shallower at buried depth of bedrock or mostly adopt cast-in-situ bored pile on soft rock foundation.Common bored concrete pile adopts steel reinforcement cage as framing structure, but in harbour engineering, owing to pile body needs water surface specified altitude assignment and it needs to be connected with cushion cap, so when adopting steel reinforcement cage as skeleton, it is necessary to go out below water surface position welding reserved steel bar at pile body.
On exposed sea bed, coral reef dish and soft rock foundation, adopt the method squeezing into pre-manufactured steel pile tube to have certain difficulty, also can destroy soft rock structure simultaneously.In hammering process, vibrations can affect the ecological environment of coral reef dish.If adopting the pile foundation technology of other modes, difficulty of construction is big, and efficiency is low, and construction costs increases.
It is thus desirable to a kind of efficiently, the high pile foundation of good reliability, utilization rate and construction method thereof.
Utility model content
The purpose of this utility model is that and overcomes prior art Problems existing, it is provided that a kind of drill-pouring steel-pipe pile.
The purpose of this utility model is achieved in that
This utility model includes steel-pipe pile, post jacking Grouting Pipe, side wall grouting pipe, concrete grouting pipe, boring, stirrup and flange；
Outer wall uniform vertical at steel-pipe pile is provided with 4 side wall grouting pipes, inwall uniform vertical at steel-pipe pile is provided with 4 post jacking Grouting Pipe, 4 side wall grouting pipes and 4 post jacking Grouting Pipe are uniformly interlocked each other, outer wall at steel-pipe pile, longitudinally the stirrup that one circle is horizontal is set every 50cm distance, stirrup disconnects at post jacking Grouting Pipe place, thus constituting prefabricated pile body；
It is vertically installed with above-mentioned prefabricated pile body in boring；
At the center of steel-pipe pile, being vertically installed with 1 concrete grouting pipe (for construction temporary component, removal after casting complete), concrete grouting pipe is formed by Flange joint by many segmentations；
In steel-pipe pile, build concrete, in the space in post jacking Grouting Pipe, side wall grouting pipe and beyond pile body, build cement mortar.
Compared with prior art, this utility model has following advantages and good effect:
1. efficiency of construction is high, it is possible to ensure perpendicularity and quality, the good reliability of pile body；
2., during pile group construction, prefabricated pile body can install high stake platform and harbour；
3. conventional borehole bored concrete pile can be avoided to need the construction procedures such as welding when adopting steel reinforcement cage as skeleton, and the globality of pile body is strong.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the schematic diagram in this utility model cross section.
In figure:
1 steel-pipe pile；
2 post jacking Grouting Pipe；
3 side wall grouting pipes；
4 concrete grouting pipes；
5 borings；
6 stirrups；
7 flanges.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in detail.
One, overall
As Fig. 1,2, this utility model includes steel-pipe pile 1, post jacking Grouting Pipe 2, side wall grouting pipe 3, concrete grouting pipe 4, boring 5, stirrup 6 and flange 7；
Outer wall uniform vertical at steel-pipe pile 1 is provided with 4 side wall grouting pipes 3, inwall uniform vertical at steel-pipe pile 1 is provided with 4 post jacking Grouting Pipe 2,4 side wall grouting pipes 3 and 4 post jacking Grouting Pipe 2 are uniformly interlocked each other, outer wall at steel-pipe pile 1, longitudinally the stirrup 6 that one circle is horizontal is set every 50cm distance, stirrup 6 disconnects at post jacking Grouting Pipe 2 place, thus constituting prefabricated pile body；
It is vertically installed with above-mentioned prefabricated pile body in boring 5；
At the center of steel-pipe pile 1, it is vertically installed with 1 concrete grouting pipe 4(for construction temporary component, removes after casting complete), concrete grouting pipe 4 is formed by connecting by flange 7 by many segmentations；
In steel-pipe pile 1, build concrete, in the space in post jacking Grouting Pipe 2, side wall grouting pipe 3 and beyond pile body, build cement mortar.
Working mechanism:
Prefabricated pile body is placed after fixing in boring 5, is pressed into water under high pressure mud by side wall grouting pipe 3, and cement mortar is emerged by the bottom of side wall grouting pipe 3, flows up the space filled between steel-pipe pile 1 and boring 5；After cement mortar condenses hardening, utilize concrete grouting pipe 4 to casting concrete in steel-pipe pile 1 (concrete grouting pipe 4 constantly lifts up in casting process, and makes the port of concrete grouting pipe 4 at least be maintained at below concrete liquid level 20cm)；It is pressed into water under high pressure mud by post jacking Grouting Pipe 2 after concrete coagulation；Stirrup 6 in the welding of steel-pipe pile 1 outer wall can improve the gmatjpdumamics of steel-pipe pile 1 and cement mortar.
Two, functional part
1, steel-pipe pile 1
Steel-pipe pile 1 is a kind of steel pipe, external diameter: 60-100cm, wall thickness: 30-50mm；Its function is the main body framework as drill-pouring steel-pipe pile, and comprcssive strength is high, pile body good stability.
2, post jacking Grouting Pipe 2
Post jacking Grouting Pipe 2 is a kind of conduit peschel, good seal, external diameter 30mm, wall thickness 3mm；Post jacking Grouting Pipe 2 is welded on the inwall of steel-pipe pile 1 equably；In steel-pipe pile 1 after casting concrete, after concrete coagulation hardens a period of time, it is pressed into water under high pressure mud by post jacking Grouting Pipe 2.
3, side wall grouting pipe 3
Side wall grouting pipe 3 is a kind of conduit peschel, good seal, external diameter 30mm, wall thickness 3mm；Side wall grouting pipe 3
It is welded on uniformly on the sidewall of steel-pipe pile 1, and is staggered with post jacking Grouting Pipe 2.After steel-pipe pile 1 fixed placement is in boring 5, being pressed into water under high pressure mud by side wall grouting pipe 3, cement mortar can fill the space of boring 5 and steel-pipe pile 1.
4, concrete grouting pipe 4
Concrete grouting pipe 4 is a kind of steel pipe, external diameter 200mm, wall thickness 10mm；Concrete grouting pipe 4 is in steel-pipe pile 1 center, by concrete grouting pipe 4 to casting concrete in steel-pipe pile 1.
5, boring 5
Boring 5 employing machinery drills through, and the internal diameter of boring 5 is more than the pile body diameter after having welded.
6, stirrup 6
Stirrup 6 is regular screw threads reinforcing bar, and stirrup 6 is welded on the circumference of steel-pipe pile, disconnects at side wall grouting pipe 3 place, longitudinally arranges a circle stirrup every 50cm.
7, flange 7
Flange 7 is commercially available standard commodities, and the joint for concrete grouting pipe 4 connects.
Three, construction method
Construction process is divided into: pile body is prefabricated, boring, clear hole, bury and put prefabricated pile body, press-in sidewall cement mortar, cast concrete, press-in post jacking.
1, it is uniformly distributed 4 post jacking Grouting Pipe 2 of welding at the inwall of steel-pipe pile 1, at steel-pipe pile 1 outer wall, 4 side wall grouting pipes 3 of uniform welding；
2, during construction, the diameter boring slightly larger than pile body diameter is got out initially with rig, clear hole after reaching designated depth；Utilize loop wheel machine lifting to bury and put pile body, by high-pressure grout injector after being positioned by pile body, utilize side wall grouting pipe 3, between the space of pile body and the inwall of boring 5, inject cement mortar；Cement mortar is gone out from side wall grouting pipe 3 bottom, is full of space；Cement mortar reach final setting time there is some strength time, utilize concrete grouting pipe 4 to casting concrete in steel-pipe pile 1, adopt clear water to rush valve building in end 12h, and utilize high-pressure grout injector to pass through post jacking Grouting Pipe 2 to be pressed into cement mortar.
Claims (1)
1. a drill-pouring steel-pipe pile, it is characterised in that:
Including steel-pipe pile (1), post jacking Grouting Pipe (2), side wall grouting pipe (3), concrete grouting pipe (4), boring (5), stirrup (6) and flange (7)；
Outer wall uniform vertical at steel-pipe pile (1) is provided with 4 side wall grouting pipes (3), inwall uniform vertical at steel-pipe pile (1) is provided with 4 post jacking Grouting Pipe (2), 4 side wall grouting pipes (3) and 4 post jacking Grouting Pipe (2) are uniformly interlocked each other, outer wall in steel-pipe pile (1), longitudinally the stirrup (6) that one circle is horizontal is set every 50cm distance, stirrup (6) disconnects at post jacking Grouting Pipe (2) place, thus constituting prefabricated pile body；
It is vertically installed with above-mentioned prefabricated pile body in boring (5)；
At the center of steel-pipe pile (1), being vertically installed with 1 concrete grouting pipe (4), concrete grouting pipe (4) is formed by connecting by flange (7) by many segmentations；
In steel-pipe pile (1), build concrete, in the space in post jacking Grouting Pipe (2), side wall grouting pipe (3) and beyond pile body, build cement mortar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620095038.6U CN205369231U (en) | 2016-01-29 | 2016-01-29 | Steel -pipe pile is filled in drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620095038.6U CN205369231U (en) | 2016-01-29 | 2016-01-29 | Steel -pipe pile is filled in drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205369231U true CN205369231U (en) | 2016-07-06 |
Family
ID=56262353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620095038.6U Expired - Fee Related CN205369231U (en) | 2016-01-29 | 2016-01-29 | Steel -pipe pile is filled in drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205369231U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592517A (en) * | 2016-12-28 | 2017-04-26 | 中交航局第二工程有限公司 | Construction method for constructing long piled wharf on land |
| CN108330817A (en) * | 2018-03-16 | 2018-07-27 | 广东省冶金建筑设计研究院 | It is a kind of to hold the Abutment Reinforcement structure and its construction method for tilting a miniature clump of piles using end |
| CN111778993A (en) * | 2020-07-21 | 2020-10-16 | 上海市城市建设设计研究总院（集团）有限公司 | Steel pipe pile enclosure structure for rapid construction and construction method thereof |
| CN113186903A (en) * | 2021-06-10 | 2021-07-30 | 河南中城建设集团股份有限公司 | Combined pile structure and construction method for treating insufficient bearing capacity of deep foundation pit construction pile by adopting combined pile structure |
| CN113622411A (en) * | 2021-08-10 | 2021-11-09 | 上海市机械施工集团有限公司 | Tubular pile side-rear grouting device and construction method |
| CN114808944A (en) * | 2022-04-22 | 2022-07-29 | 上海同人里岩土工程技术有限公司 | Grouting squeezing expansion steel pipe concrete upright pile and construction method thereof |
| CN115182369A (en) * | 2022-07-29 | 2022-10-14 | 中交(南京)建设有限公司 | Dewatering well structure and pile foundation construction method reconstructed by utilizing dewatering well |
-
2016
- 2016-01-29 CN CN201620095038.6U patent/CN205369231U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592517A (en) * | 2016-12-28 | 2017-04-26 | 中交航局第二工程有限公司 | Construction method for constructing long piled wharf on land |
| CN108330817A (en) * | 2018-03-16 | 2018-07-27 | 广东省冶金建筑设计研究院 | It is a kind of to hold the Abutment Reinforcement structure and its construction method for tilting a miniature clump of piles using end |
| CN111778993A (en) * | 2020-07-21 | 2020-10-16 | 上海市城市建设设计研究总院（集团）有限公司 | Steel pipe pile enclosure structure for rapid construction and construction method thereof |
| CN113186903A (en) * | 2021-06-10 | 2021-07-30 | 河南中城建设集团股份有限公司 | Combined pile structure and construction method for treating insufficient bearing capacity of deep foundation pit construction pile by adopting combined pile structure |
| CN113622411A (en) * | 2021-08-10 | 2021-11-09 | 上海市机械施工集团有限公司 | Tubular pile side-rear grouting device and construction method |
| CN114808944A (en) * | 2022-04-22 | 2022-07-29 | 上海同人里岩土工程技术有限公司 | Grouting squeezing expansion steel pipe concrete upright pile and construction method thereof |
| CN115182369A (en) * | 2022-07-29 | 2022-10-14 | 中交(南京)建设有限公司 | Dewatering well structure and pile foundation construction method reconstructed by utilizing dewatering well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20220129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |