CN208293531U - A kind of mini pile soil composite structure of controllable variance sedimentation - Google Patents
A kind of mini pile soil composite structure of controllable variance sedimentation Download PDFInfo
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- CN208293531U CN208293531U CN201820710588.3U CN201820710588U CN208293531U CN 208293531 U CN208293531 U CN 208293531U CN 201820710588 U CN201820710588 U CN 201820710588U CN 208293531 U CN208293531 U CN 208293531U
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- dike
- old
- mini pile
- new
- bed course
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Abstract
The utility model discloses a kind of mini pile soil composite structure of controllable variance sedimentation, including old dike, fill in old dike downstream slope and the new dike concordant with old dike, since new levee crown face downward through into old dike mini pile, roll be layed in Lao Di and new levee crown face and with fill on the mix bed course and mix bed course of mini pile close contact to the new levee crown layer of design altitude.The mix bed course rigidity that the utility model rolls laying is big, can not only bear certain pulling force, moreover it is possible to play certain restriction effect to the deformation of the top soil body；Dyke upper load, can be directly passed to old dike by the composite structure that mix bed course and mini pile are formed, and so as to improve the stress for widening the soil body, further achieved the purpose that control the relative settlement of levee crown face and prevented dike face from cracking.The structure is small to the disturbance destruction of old dike, can be reduced the use of geosynthetics, and draw materials conveniently；In addition it constructs more convenient, strong operability punishes significant effect.
Description
Technical field
The utility model relates to dyke building fields, and in particular to a kind of mini pile soil composite structure.
Background technique
In recent years, with the continuous improvement that flood control requires, country increases the strengthening reconstruction dynamics to dyke building, wherein
One of effective measures taken are exactly to carry out heightening and thickening to dyke.Reference road widening project it is found that dyke through heightening and thickening
Afterwards, due to the old and new's dyke and the difference of levee foundation soil solidifying degree, under the action of vehicular load and recent fill gravity, inevitable meeting
It causes the old and new dyke faying face two sides to generate biggish relative settlement, and then new levee crown face is caused biggish sedimentation gradient occur.
On the other hand, it mutates since levee crown face settles, will lead to levee crown face regional area soil body tension.It can according to soil mechanics knowledge
Know, the soil body cannot bear pulling force, be easy to that levee crown face is caused to be cracked when soil body tension, this is endangered for adding training dyke
It is huge.Because after the cracking of levee crown face the adhesive force of the old and new's dyke faying face can be weakened under the osmosis of rainwater, seriously
When will cause new dike landslide etc., to influence the safe handling of dyke.
Currently, in actual dyke building, reference road widening project experiences most of for the control of relative settlement,
Bench excavation such as is carried out in the slope surface of old dyke, adds geosynthetics in the old and new's dyke junction while having.This side
Though method can effectively prevent the relative settlement of the old and new's dyke, the risk of pavement cracking is reduced, there is also certain limitation,
For example not only need to excavate old dike, it is larger to the disturbance of old dike, it is also contemplated that how geosynthetics is layed in newly
In old dyke, work progress is more complex.
Utility model content
Purpose of utility model: the purpose of this utility model is that in view of the deficiencies of the prior art, it is a kind of controllable poor to provide
The mini pile soil composite structure of different sedimentation can be by new dike earth material gravity and road by mix bed course and mini pile efficient combination
The vehicular load in face is directly transmitted to old dike, to be effectively improved the stress of the new dike soil body, it is poor to play the new levee crown face of control
The effect of different sedimentation, structure is simple, constructing operation is more convenient, significant effect.
Technical solution: the utility model provides a kind of mini pile soil composite structure of controllable variance sedimentation, including old
Dike, fill in old dike downstream slope and the new dike concordant with old dike, since new levee crown face downward through into old dike mini pile,
Roll be layed in Lao Di and new levee crown face and filled on the mix bed course and mix bed course that are in close contact with mini pile to
The new levee crown layer of design altitude.
Further, the mix bed course with a thickness of 20 ~ 30cm.
Further, the mix bed course is the mixture of white lime, sand and clay.
Further, pile cover is equipped between the mini pile and mix bed course.
Further, the pile cover is the concrete pile follower that section is square.
Further, the mini pile is located at the new dike concordant with old dike and widens in the middle part of the soil body, and the stake diameter of mini pile is 100
~ 300mm, the depth for being pierced into old dike is 2 ~ 4m.
The utility model has the advantages that the mix bed course rigidity that the utility model rolls laying is big, certain pulling force can be not only born, also
Certain restriction effect can be played to the deformation of the top soil body；The composite structure that mix bed course and mini pile are formed, can be by dike
Anti- upper load is directly passed to old dike, so as to improve the stress for widening the soil body, further reaches control levee crown face difference
The purpose for settling and preventing dike face from cracking.The structure is small to the disturbance destruction of old dike, can be reduced the use of geosynthetics,
And it draws materials conveniently, institute is all conventional building material using material, cheap；In addition mix bed course and miniature pile construction are equal
More convenient, strong operability punishes significant effect.
Detailed description of the invention
Fig. 1 is the cross-sectional view after the completion of the utility model construction.
Specific embodiment
Technical solutions of the utility model are described in detail below, but the protection scope of the utility model is not limited to
The embodiment.
A kind of mini pile soil composite structure of controllable variance sedimentation, as shown in Figure 1, including old dike 1, filling in old dike 1
Downstream slope 2 and the new dike 3 concordant with old dike 1, since new 3 top surface of dike downward through into old dike 1 mini pile 7, roll paving
It is filled on old dike 1 and new 3 top surface of dike and the mix bed course 5 and mix bed course 5 that are in close contact with mini pile 7 to setting
Count the new levee crown layer 6 of elevation.
It is larger to roll 5 rigidity of mix bed course to be formed, certain pulling force can be born, when filling laying depth be taken as 20 ~
30cm.By taking clay material dyke as an example, mix bed course 5 can be formed by three kinds of white lime, sand and clay material mixings, three
Volume ratio be taken as 1:2:4 ~ 1:3:6.
Pile cover 4 is equipped between mini pile 7 and mix bed course 5, to prevent between stake and bed course due to rigidity and section
Difference causes mini pile 7 to puncture bed course, and the section of pile cover 4 is square, side length 50cm, and thickness is taken as 15cm, the material of pile cover 4
Material uses concrete.
Mini pile 7 is located at the new dike 3 concordant with old dike 1 and widens in the middle part of the soil body, and the stake diameter of mini pile 7 is 100 ~ 300mm,
The depth of old dike 1 is pierced into depending on old 1 soil strength of dike, is generally taken as 2 ~ 4m, the main material of mini pile 7 is cement slurry.
Specific construction process is as follows:
Firstly, carry out clear slope processing to old dike 1, after completion according to design requirement, design lift height, design compactness by
Layer fills new 3 soil body of dike.When new 3 height of dike is flushed with old dike 1, surveying setting-out, determine mini pile 7 sets position.It is surveying
Fixed location arrangements drilling machine simultaneously carries out vertical drilling operation, and bore diameter is 100 ~ 300mm, and the depth of drilling is according to pile body
It is pierced into depending on the depth of old dike 1.It is inserted into steel pipe and Grouting Pipe after drilling, and passes through slip casing by pressure mechanical irrigation cement injection, when
When slip casting is to 7 top of mini pile, the concrete bodies of 50cm*50cm*15cm are poured, complete the production of pile cover 4.
Secondly, production mix, white lime, sand are matched by volume with former stickiness earth material and are mixed and stirred, uniform mixing
After fill in new, old dike 3,1 anti-top surface upper area, the pad is guaranteed to compactness is designed using cal rolling after the completion of construction
Layer is effectively contacted with pile cover 4, and forms a composite structure by pile cover 4 and mini pile 7.
Finally, successively filling remaining each layer soil body as new levee crown by design requirement, design lift height, design compactness
Layer 6.
Claims (6)
1. a kind of mini pile soil composite structure of controllable variance sedimentation, it is characterised in that: including old dike, fill in old levee back water
Slope and the new dike concordant with old dike, since new levee crown face downward through into old dike mini pile, roll be layed in old dike with
It fills on new levee crown face and the mix bed course and mix bed course that are in close contact with mini pile to the new levee crown of design altitude
Layer.
2. the mini pile soil composite structure of controllable variance sedimentation according to claim 1, it is characterised in that: described to mix and stir
Object bed course with a thickness of 20 ~ 30cm.
3. the mini pile soil composite structure of controllable variance sedimentation according to claim 1 or 2, it is characterised in that: described
Mix bed course is the mixture of white lime, sand and clay.
4. the mini pile soil composite structure of controllable variance sedimentation according to claim 1, it is characterised in that: described miniature
Pile cover is equipped between stake and mix bed course.
5. the mini pile soil composite structure of controllable variance sedimentation according to claim 4, it is characterised in that: the pile cover
It is the concrete pile follower that section is square.
6. the mini pile soil composite structure of controllable variance sedimentation according to claim 1, it is characterised in that: described miniature
Stake is located at the new dike concordant with old dike and widens in the middle part of the soil body, and the stake diameter of mini pile is 100 ~ 300mm, and the depth for being pierced into old dike is
2~4m。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820710588.3U CN208293531U (en) | 2018-05-14 | 2018-05-14 | A kind of mini pile soil composite structure of controllable variance sedimentation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820710588.3U CN208293531U (en) | 2018-05-14 | 2018-05-14 | A kind of mini pile soil composite structure of controllable variance sedimentation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208293531U true CN208293531U (en) | 2018-12-28 |
Family
ID=64727398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820710588.3U Expired - Fee Related CN208293531U (en) | 2018-05-14 | 2018-05-14 | A kind of mini pile soil composite structure of controllable variance sedimentation |
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| Country | Link |
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| CN (1) | CN208293531U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761126A (en) * | 2019-12-04 | 2020-02-07 | 中铁二院工程集团有限责任公司 | Rock foundation existing high-speed rail fine-grained soil filled embankment side width structure and construction method |
| CN112982320A (en) * | 2019-12-13 | 2021-06-18 | 中国电建集团华东勘测设计研究院有限公司 | Construction method and structure of core-wall dam heightened concrete faced rockfill dam |
| CN113089584A (en) * | 2021-03-18 | 2021-07-09 | 中国水利水电第九工程局有限公司 | Construction method of soil dam heightening anti-seepage PVC geomembrane |
-
2018
- 2018-05-14 CN CN201820710588.3U patent/CN208293531U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761126A (en) * | 2019-12-04 | 2020-02-07 | 中铁二院工程集团有限责任公司 | Rock foundation existing high-speed rail fine-grained soil filled embankment side width structure and construction method |
| CN110761126B (en) * | 2019-12-04 | 2024-05-24 | 中铁二院工程集团有限责任公司 | Rock foundation existing high-speed railway fine soil filling embankment side width structure and construction method |
| CN112982320A (en) * | 2019-12-13 | 2021-06-18 | 中国电建集团华东勘测设计研究院有限公司 | Construction method and structure of core-wall dam heightened concrete faced rockfill dam |
| CN112982320B (en) * | 2019-12-13 | 2023-02-28 | 中国电建集团华东勘测设计研究院有限公司 | Construction method and structure of core-wall dam heightened concrete faced rockfill dam |
| CN113089584A (en) * | 2021-03-18 | 2021-07-09 | 中国水利水电第九工程局有限公司 | Construction method of soil dam heightening anti-seepage PVC geomembrane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181228 |