CN201520973U - Precast pile with grouting hole - Google Patents
Precast pile with grouting hole Download PDFInfo
- Publication number
- CN201520973U CN201520973U CN 200920211015 CN200920211015U CN201520973U CN 201520973 U CN201520973 U CN 201520973U CN 200920211015 CN200920211015 CN 200920211015 CN 200920211015 U CN200920211015 U CN 200920211015U CN 201520973 U CN201520973 U CN 201520973U
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- CN
- China
- Prior art keywords
- pile
- precast pile
- grouting hole
- injected hole
- pile body
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- Expired - Lifetime
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Abstract
The utility model discloses a precast pile with a grouting hole, comprising a precast pile body, wherein the precast pile body is provided with at least one grouting hole for pressing grout, in length direction; the grouting hole is a through hole on the precast pile body ; and the grouting holes are uniformly distributed on the precast pile body. The specific construction method comprises the following steps: firstly, the precast pile is driven into a soil layer and then grout is pressed into by the grouting hole on the precast pile; the grout reaches the bottom of the precast pile through the grouting hole and disperses at the pile bottom; and after the grout is cured, a stable pile foundation is formed. The precast pile has simple structure, good pile foundation stability and high pressure resistance after construction, increases the friction of the pile body, effectively improves the bearing capacity of the pile foundation, greatly decreases the depth of pile driving, and saves construction cost.
Description
Technical field
The utility model relates to technical field of civil engineering, the concrete preformed pile of using in a kind of ground foundation engineering that has injected hole that relates to.
Background technology
Carry out building operations in geological conditions complexity or the higher stratum of groundwater table, the preformed pile pile foundation less stable of being driven underground, the bearing capacity of pile foundation and compressive property also are difficult to reach predetermined purpose and requirement.In order to reach pile foundation stability, bearing capacity and compressive property preferably, preformed pile need be squeezed in the darker soil layer usually, and the density of arranging of preformed pile also needs to strengthen.So just increase difficulty of construction, prolonged the construction period, increased the cost of whole engineering.
The utility model content
Technical problem to be solved in the utility model is, overcomes problems of the prior art, and a kind of preformed pile that has injected hole is provided, and this preformed pile can pass through the downward mud jacking of its injected hole, improves the bearing capacity of stake end and the frictional resistance of pile body.
In order to address the above problem the technical solution of the utility model is such:
A kind of preformed pile that has injected hole, comprise a preformed pile body, the length direction of preformed pile body is provided with the injected hole that is used for mud jacking, and injected hole is through hole on the preformed pile body, injected hole is at least one, and injected hole evenly distributes on the preformed pile body.
The diameter of described injected hole is 10-100mm.
Concrete job practices is earlier described preformed pile to be squeezed into soil layer, after preformed pile is squeezed into soil layer, be pressed into cement paste by the injected hole on it, cement paste can arrive the stake end of preformed pile by injected hole, and scatters at the bottom of stake and come, cement paste forms stable pile foundation after solidifying.
Beneficial effect, preformed pile described in the utility model is simple in structure, construction back pile foundation good stability, the crushing resistance height has increased the frictional resistance of pile body, effectively raises the bearing capacity of stake end, reduces the degree of depth of driving piles greatly, has saved construction costs.
Description of drawings
Describe the utility model in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is the cross-sectional view of preformed pile described in the utility model;
Fig. 2 is the plan structure schematic diagram of preformed pile described in the utility model.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1 and Fig. 2
In the present embodiment, preformed pile is a precast reinforced concrete piles, and preformed pile pile body 1 is provided with injected hole 2, and injected hole 2 arranges that along preformed pile pile body 1 length direction injected hole 2 is a through hole.Injected hole 2 is used as grout injection passage purposes.
Injected hole 2 is at least one on preformed pile pile body 1, and injected hole 2 is two in the present embodiment, and two injected holes 2 are separately positioned on the both sides of the edge of preformed pile pile body 1.Certainly when being two, injected hole 2 need be evenly distributed on the preformed pile pile body 1 when above.The diameter of described injected hole 2 is 10-100mm.So that during with mud jacking, cement paste passes through injected hole smoothly.
Described preformed pile is pile tube, side's stake, hollow shell pill or other forms of stake.When making preformed pile pile body 1, on the reinforcing cage that ties, place one or a few pipe in advance, then at fluid concrete, form precast reinforced concrete piles, described pipe is just stayed preformed pile pile body 1 interior usefulness as injected hole 2.Described pipe is high-intensity plastic pipe or metal tube, and the pipe height is identical with preformed pile pile body 1 length, and pipe is the through-hole pipe of the equal opening in two ends.
During construction, earlier described preformed pile is squeezed into soil layer, after preformed pile is squeezed into soil layer, be pressed into cement paste by the injected hole on it 2, cement paste can arrive the stake end of preformed pile by injected hole, and scatters at the bottom of stake and come, and cement paste forms stable pile foundation after solidifying.
Preformed pile described in the utility model is simple in structure, construction back pile foundation good stability, and the crushing resistance height has increased the frictional resistance of pile body, effectively raises the bearing capacity of stake end, reduces the degree of depth of driving piles greatly, has saved construction costs.
More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the manual just illustrates principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. a preformed pile that has injected hole comprises a preformed pile body, it is characterized in that, the length direction of preformed pile body is provided with the injected hole that is used for mud jacking, injected hole is through hole on the preformed pile body, and injected hole is at least one, and injected hole evenly distributes on the preformed pile body.
2. a kind of preformed pile that has injected hole according to claim 1 is characterized in that the diameter of described injected hole is 10-100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920211015 CN201520973U (en) | 2009-10-20 | 2009-10-20 | Precast pile with grouting hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920211015 CN201520973U (en) | 2009-10-20 | 2009-10-20 | Precast pile with grouting hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201520973U true CN201520973U (en) | 2010-07-07 |
Family
ID=42507149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920211015 Expired - Lifetime CN201520973U (en) | 2009-10-20 | 2009-10-20 | Precast pile with grouting hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201520973U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351210A (en) * | 2016-10-08 | 2017-01-25 | 中石化上海工程有限公司 | Composite precast pile and pile sinking construction method |
| CN108914925A (en) * | 2018-07-20 | 2018-11-30 | 高永光 | Prefabricated pile high-pressure injection base expanding and base expanding post-grouting technology |
| CN110644500A (en) * | 2019-09-24 | 2020-01-03 | 广东卓安特岩土建筑科技有限公司 | Water interception type prefabricated assembly type foundation pit supporting construction method |
-
2009
- 2009-10-20 CN CN 200920211015 patent/CN201520973U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351210A (en) * | 2016-10-08 | 2017-01-25 | 中石化上海工程有限公司 | Composite precast pile and pile sinking construction method |
| CN106351210B (en) * | 2016-10-08 | 2019-11-29 | 中石化上海工程有限公司 | A kind of mixing prefabricated pile and pile sinking construction method |
| CN108914925A (en) * | 2018-07-20 | 2018-11-30 | 高永光 | Prefabricated pile high-pressure injection base expanding and base expanding post-grouting technology |
| CN110644500A (en) * | 2019-09-24 | 2020-01-03 | 广东卓安特岩土建筑科技有限公司 | Water interception type prefabricated assembly type foundation pit supporting construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 201806, room 5358, 207 Shanghai Yi Road, Shanghai, Jiading District Patentee after: Shanghai Strong Foundation Engineering Co., Ltd. Address before: 200235, Shanghai, Xuhui District, Yishan Road, No. 508, King hung building, 15 Floor Patentee before: Shanghai Strong Foundation Engineering Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100707 |
|
| CX01 | Expiry of patent term |