CN204690740U - A kind of concrete hollow bamboo joint pile - Google Patents
A kind of concrete hollow bamboo joint pile Download PDFInfo
- Publication number
- CN204690740U CN204690740U CN201520368844.1U CN201520368844U CN204690740U CN 204690740 U CN204690740 U CN 204690740U CN 201520368844 U CN201520368844 U CN 201520368844U CN 204690740 U CN204690740 U CN 204690740U
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- Prior art keywords
- concrete hollow
- pile body
- pile
- cone surface
- annular protrusion
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Abstract
本实用新型公开了一种混凝土空心竹节桩，包括混凝土空心桩体以及等间距设置在混凝土空心桩体的外壁和内壁上的环形凸起；在环形凸起内至少设有一个环形钢圈；环形凸起由上锥面和下锥面共底面构成，且上锥面的锥度大于下锥面的锥度。该混凝土空心竹节桩相比于现有的圆柱面的桩基，具有较大的内外侧摩擦阻力和承载力，且同样方便桩体打入地面，不会增加额外的施工成本，具有较好的市场应用前景。
The utility model discloses a concrete hollow slub pile, which comprises a concrete hollow pile body and annular protrusions arranged at equal intervals on the outer wall and the inner wall of the concrete hollow pile body; at least one annular steel ring is arranged in the annular protrusion; The annular protrusion is composed of an upper cone surface and a lower cone surface with the same bottom surface, and the taper of the upper cone surface is greater than that of the lower cone surface. Compared with the existing cylindrical pile foundation, the concrete hollow bamboo pile has greater internal and external friction resistance and bearing capacity, and it is also convenient for the pile body to be driven into the ground without adding additional construction costs. market application prospects.
Description
Technical field
The utility model relates to a kind of pile foundation, especially a kind of hollow bamboo joint pile.
Background technology
In the Soft Ground engineering fields such as speedway, high-speed railway, highrise building, various pile foundation technology is widely used.The bearing capacity of pile foundation is made up of side friction and end resistance, how to improve pile foundation side friction and end resistance, is the key giving full play to Bearing Behavior of Pile.
The improvement of common circular solids cross section is ring section by existing pile-type, increases Pile-soil contact area to improve side friction, forms the forms such as cover plate simultaneously by pile crown concreting, can effectively play and utilize the effect of core soil to bearing capacity of pile foundation.The bearing capacity of this pile-type is made up of pile side friction and end resistance two parts, and because stake sidewall is the face of cylinder, and stake end area is also little, and therefore pile side friction and end resistance still have the leeway of improving further.To increase bearing capacity, generally being realized by increase stake footpath or length, but which increasing construction cost and difficulty.Improving bearing capacity of pile foundation under the prerequisite how do not increased in difficulty of construction, is the problem merited attention.
Utility model content
Utility model object: a kind of pile foundation possessed under the prerequisite not increasing construction cost and difficulty compared with high-bearing capacity is provided.
Technical scheme: concrete hollow bamboo joint pile described in the utility model, comprises concrete hollow pile body and is set in qually spaced in the annular protrusion on the outer wall of concrete hollow pile body and inwall; An annular steel ring is at least provided with in annular protrusion; Annular protrusion is made up of bottom surface altogether the upper conical surface and the lower conical surface, and the tapering of the upper conical surface is greater than the tapering of the lower conical surface.
Adopt, on the outer wall and inwall of concrete hollow pile body, all annular protrusion is set, time especially for bigbore concrete hollow pile body, compared to the pile foundation on the existing face of cylinder, obviously there is larger bearing capacity; Adopt and annular steel ring is set in annular protrusion, effectively can improve the structural strength of annular protrusion; The tapering of the upper conical surface is set to the tapering being greater than the lower conical surface, pile body can either be facilitated to squeeze into ground, the inside and outside side skin friction of pile body can be strengthened again, improve the bearing capacity of pile body further.
As further improvement of the utility model scheme, in concrete hollow pile body, axially wait radian spacing to be provided with reinforcing bar along it, and reinforcing bar is stretched out by the lower end of concrete hollow pile body and form bell end; In the upper end of concrete hollow pile body and the position corresponding with reinforcing bar is provided with socket joint hole.Adopt socket joint hole and bell end that many concrete hollow pile body docking can be facilitated to squeeze into ground.
As further restriction scheme of the present utility model, the tapering of the upper conical surface is 1:0.5; The tapering of the lower conical surface is 1:1.The tapering of the upper conical surface and the lower conical surface is set to 1:0.5 and 1:1, has and squeeze into effect and stronger bearing capacity preferably.
The utility model compared with prior art, its beneficial effect is: (1) adopts and all arrange annular protrusion on the outer wall and inwall of concrete hollow pile body, especially time for bigbore concrete hollow pile body, compared to the pile foundation on the existing face of cylinder, obviously there is larger bearing capacity; (2) employing arranges annular steel ring in annular protrusion, effectively can improve the structural strength of annular protrusion; (3) tapering of the upper conical surface is set to the tapering being greater than the lower conical surface, pile body can either be facilitated to squeeze into ground, the inside and outside side skin friction of pile body can be strengthened again, improve the bearing capacity of pile body further.
Accompanying drawing explanation
Fig. 1 is side structure schematic diagram of the present utility model;
Fig. 2 is A-A place sectional view in Fig. 1;
Fig. 3 is plan structure schematic diagram of the present utility model.
In figure: 1, concrete hollow pile body, 2, annular protrusion, 3, the upper conical surface, 4, the lower conical surface, 5, annular steel ring, 6, reinforcing bar, 7, socket joint hole.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical solutions of the utility model are described in detail, but protection domain of the present utility model is not limited to described embodiment.
Embodiment 1:
As Figure 1-3, concrete hollow bamboo joint pile of the present utility model, comprises concrete hollow pile body 1 and is set in qually spaced in the annular protrusion 2 on the outer wall of concrete hollow pile body 1 and inwall.
An annular steel ring 5 is at least provided with in annular protrusion 2; Annular protrusion 2 is made up of bottom surface altogether the upper conical surface 3 and the lower conical surface 4, and the tapering of the upper conical surface 3 is greater than the tapering of the lower conical surface 4; In concrete hollow pile body 1, axially wait radian spacing to be provided with reinforcing bar 6 along it, and reinforcing bar 6 is stretched out by the lower end of concrete hollow pile body 1 and form bell end; In the upper end of concrete hollow pile body 1 and the position corresponding with reinforcing bar 6 is provided with socket joint hole 7; Preferably, the tapering of the upper conical surface 3 is 1:0.5; The tapering of the lower conical surface 4 is 1:1; Annular steel ring 5 in annular protrusion 2 preferably welds together with the reinforcing bar 6 in concrete hollow pile body 1, can improve the structural strength of annular protrusion 2 further.
Concrete hollow pile body 1 arranges an annular protrusion 2 every 1 ~ 2 meter of position, preferably annular protrusion 2 is all set at the upper lower nozzle place of concrete hollow pile body 1, the structural strength of upper lower nozzle can be improved; The height of annular protrusion 2 is set to 60mm ~ 120mm and is advisable.
As mentioned above, although represented with reference to specific preferred embodiment and described the utility model, it shall not be construed as the restriction to the utility model self.Under the spirit and scope prerequisite of the present utility model not departing from claims definition, various change can be made in the form and details to it.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520368844.1U CN204690740U (en) | 2015-06-01 | 2015-06-01 | A kind of concrete hollow bamboo joint pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520368844.1U CN204690740U (en) | 2015-06-01 | 2015-06-01 | A kind of concrete hollow bamboo joint pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204690740U true CN204690740U (en) | 2015-10-07 |
Family
ID=54231049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520368844.1U Expired - Fee Related CN204690740U (en) | 2015-06-01 | 2015-06-01 | A kind of concrete hollow bamboo joint pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204690740U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326899A (en) * | 2017-07-21 | 2017-11-07 | 宁乡宁华建材有限公司 | A kind of reinforced concrete tubular pile of outer rim |
| CN111321729A (en) * | 2020-04-07 | 2020-06-23 | 凌晓明 | Precast pile, sand filling cylinder and construction method |
-
2015
- 2015-06-01 CN CN201520368844.1U patent/CN204690740U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326899A (en) * | 2017-07-21 | 2017-11-07 | 宁乡宁华建材有限公司 | A kind of reinforced concrete tubular pile of outer rim |
| CN111321729A (en) * | 2020-04-07 | 2020-06-23 | 凌晓明 | Precast pile, sand filling cylinder and construction method |
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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: 20151007 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |