CN208279958U - Saturated high fill roadbed structure - Google Patents
Saturated high fill roadbed structure Download PDFInfo
- Publication number
- CN208279958U CN208279958U CN201820843365.4U CN201820843365U CN208279958U CN 208279958 U CN208279958 U CN 208279958U CN 201820843365 U CN201820843365 U CN 201820843365U CN 208279958 U CN208279958 U CN 208279958U
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- CN
- China
- Prior art keywords
- roadbed structure
- structure according
- fill roadbed
- saturation high
- core wall
- 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.)
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- 229920006395 saturated elastomer Polymers 0.000 title abstract 2
- 239000004927 clay Substances 0.000 claims abstract description 22
- 238000007596 consolidation process Methods 0.000 claims abstract description 16
- 239000004576 sand Substances 0.000 claims abstract description 6
- 239000004746 geotextile Substances 0.000 claims abstract description 5
- 239000011440 grout Substances 0.000 claims description 18
- 239000004575 stone Substances 0.000 claims description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 14
- 239000002689 soil Substances 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 239000011435 rock Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003487 anti-permeability effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a saturated high fill roadbed structure, which comprises a foundation trench arranged at the bottom of a roadbed, wherein the bottom of the foundation trench is downwards provided with a plurality of consolidation grouting holes; a base is arranged in the base groove, and a plurality of curtain grouting holes are formed downwards through the base; a clay core wall is arranged above the base, and a reverse filtering geotextile and a sand cushion layer are sequentially arranged on the surface of the clay core wall from inside to outside; and rockfill areas are arranged on two sides and above the clay core wall, and a soil and rock backfill area is arranged above the rockfill areas. The utility model discloses the road bed of preparation has indestructible, and is longe-lived, and is with low costs, can avoid the characteristics of the inhomogeneous settlement of road bed.
Description
Technical field
The utility model relates to a kind of road structure, especially a kind of saturation high-fill roadbed structure.
Background technique
Saturation high-fill roadbed refers to that road foundation is on the verge of river and lake, and roadbed is to meet flood control level and need to carry out high roadbed to set
Meter.When design saturation high-fill roadbed, infiltration, fluctuation in stage, wave invasion, current scour and underground water Yong Sheng should be fully considered
Caused influence of collapsibility.Being directed to the saturation roadbed antiseepage of reservoir location, presently, there are several administration ways: 1) antiseepage film process；2)
The processing of armored concrete panel surface；3) grout curtain.The processing mode 1) and 2) is suitable for surface layer antiseepage, is easy to destroy,
Antiseepage film service life is lower；The 3) processing mode be suitable for cut subgrade antiseepage.And how to guarantee impervious body and be located at the side that borders on the river
It is neither easy to destroy, and it is easy for construction to be able to satisfy embankment, can also reduce settlement of subgrade is that a urgent need solves
The problem of.
Utility model content
The purpose of the utility model is to provide a kind of saturation high-fill roadbed structures.The utility model has not fragile
The characteristics of bad, the service life is long, at low cost, can be to avoid settlement of subgrade.
The technical solution of the utility model includes: a kind of saturation high-fill roadbed structure, the foundation trench including being set to roadbed bottom, base
The bottom of slot is to having several consolidation grouting holes；It is equipped with pedestal in the foundation trench, is filled across pedestal to several curtains are had
Starch hole；The top of the pedestal is equipped with clay core wall, and the surface of clay core wall is successively arranged anti-filter geotextiles and sand from inside to outside
Bed course；The two sides and top of the clay core wall are equipped with rockfill area, and the top of rockfill area is equipped with native stone back filled region.
Saturation high-fill roadbed structure above-mentioned, the rectangular distribution in consolidation grouting hole, the line-spacing in consolidation grouting hole and
Array pitch is 1-3m.
Saturation high-fill roadbed structure above-mentioned, the line-spacing and array pitch in the consolidation grouting hole are 2m.
Saturation high-fill roadbed structure above-mentioned, the grout curtain hole is single row of holes, between adjacent grout curtain hole
Spacing is 0.5-1.5m.
Saturation high-fill roadbed structure above-mentioned, the spacing between the adjacent grout curtain hole are 1m.
Saturation high-fill roadbed structure above-mentioned, the section of the clay core wall are trapezoidal.
Saturation high-fill roadbed structure above-mentioned, the section of the rockfill area is trapezoidal, the exposed side in rockfill area
It is equipped with dry stone pitching layer.
Multilayer TGXG is equipped in saturation high-fill roadbed structure above-mentioned, the rockfill area and native stone back filled region.
Saturation high-fill roadbed structure above-mentioned, the interlamellar spacing between the adjacent TGXG are 1-3m.
Saturation high-fill roadbed structure above-mentioned, the interlamellar spacing between the adjacent TGXG are 2m.
The beneficial effects of the utility model
Grout hole is arranged by setting sandstone area and clay core wall in the utility model, and the road structure of formation is more firm
Gu it is survivable, substantially prolong service life；Meanwhile the materials such as clay needed for the utility model can be applied by periphery
Working hour, which excavates, to be obtained, and can be saved construction investment, be improved stock utilization, reduce the waste of resource, greatly reduce and be constructed into
This；Also, the utility model passes through the tensile property group of anti-permeability performance and TGXG using clay core wall and seepage proof curtain
At composite system, reduce unilateral lake body water pressure to the adverse effect of roadbed, avoid the uneven heavy of high-fill roadbed
Drop.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of the utility model；
Description of symbols: 1- consolidation grouting hole, 2- grout curtain hole, 3- clay core wall, 4- anti-filter geotextiles, 5- sand pad
Layer, the rockfill area 6-, 7- dry stone pitching layer, 8- TGXG, 9- soil stone back filled region, 10- pedestal, 11- foundation trench.
Specific embodiment
The utility model is further described below with reference to embodiment, but is not intended as to the utility model limitation
Foundation.
The embodiments of the present invention
A kind of saturation high-fill roadbed structure, as shown in Fig. 1, the foundation trench 11 including being set to roadbed bottom, foundation trench 11
Bottom is to having several consolidation grouting holes 1；Pedestal 10 is equipped in the foundation trench 11, across pedestal 10 to having several curtains
Grout hole 2；The top of the pedestal 10 is equipped with clay core wall 3, and the surface of clay core wall 3 is successively arranged anti-filter geotechnique from inside to outside
Cloth 4 and sand bedding course 5；The two sides and top of the clay core wall 3 are equipped with rockfill area 6, and the top of rockfill area 6 is equipped with native stone back filled region
9。
The rectangular distribution in the consolidation grouting hole 1, the line-spacing and array pitch in consolidation grouting hole 1 are 1-3m.
The line-spacing and array pitch in the consolidation grouting hole 1 are 2m.
The grout curtain hole 2 is single row of holes, and the spacing between adjacent grout curtain hole 2 is 0.5-1.5m.
Spacing between the adjacent grout curtain hole 2 is 1m.
The section of the clay core wall 3 is trapezoidal.
The section of the rockfill area 6 is trapezoidal, and the exposed side in rockfill area 6 is equipped with dry stone pitching layer 7.
Multilayer TGXG 8 is equipped in the rockfill area 6 and native stone back filled region 9.
Interlamellar spacing between the adjacent TGXG 8 is 1-3m.
Interlamellar spacing between the adjacent TGXG 8 is 2m.
Its construction method is as follows:
1) foundation trench 11 is excavated in roadbed bottom, then bores several consolidation grouting holes 1 downwards in 11 bottom of foundation trench, and consolidating
Grouting in grout hole 1；
2) it pours to form pedestal 10 in foundation trench 11 after grouting in consolidation grouting hole 1, pedestal 10 passes through base after solidifying
Seat 10 bores downwards several grout curtain holes 2, and is in the milk in grout curtain hole 2；
3) in grout curtain hole 2 after the completion of grouting, the trapezoidal clay core wall 3 in section is made in the top of pedestal 10,
The surface of clay core wall 3 sets gradually anti-filter geotextiles 4 and sand bedding course 5 from inside to outside；
4) rockfill area 6 trapezoidal in the two sides of clay core wall 3 and top accumulation sandstone Formation cross-section, rockfill area 6 are exposed
Side outside is equipped with dry stone pitching layer 7, then backfills to form native stone back filled region 9 i.e. with native stone in the top of rockfill area 6
It can；Multilayer TGXG 8 is equipped in the rockfill area 6 and native stone back filled region 9.
Claims (10)
1. a kind of saturation high-fill roadbed structure, it is characterised in that: the foundation trench (11) including being set to roadbed bottom, foundation trench (11)
Bottom is to having several consolidation grouting holes (1)；Pedestal (10) are equipped in the foundation trench (11), pass through pedestal (10) to having
Several grout curtain holes (2)；The top of the pedestal (10) is equipped with clay core wall (3), and the surface of clay core wall (3) is from inside to outside
It is successively arranged anti-filter geotextiles (4) and sand bedding course (5)；The two sides and top of the clay core wall (3) are equipped with rockfill area (6), heap
The top in stone area (6) is equipped with native stone back filled region (9).
2. saturation high-fill roadbed structure according to claim 1, it is characterised in that: the consolidation grouting hole (1) is at square
Shape distribution, the line-spacing and array pitch of consolidation grouting hole (1) are 1-3m.
3. saturation high-fill roadbed structure according to claim 2, it is characterised in that: the row of the consolidation grouting hole (1)
Away from being 2m with array pitch.
4. saturation high-fill roadbed structure according to claim 1, it is characterised in that: the grout curtain hole (2) is single
Round, the spacing between adjacent grout curtain hole (2) are 0.5-1.5m.
5. saturation high-fill roadbed structure according to claim 4, it is characterised in that: the adjacent grout curtain hole (2)
Between spacing be 1m.
6. saturation high-fill roadbed structure according to claim 1, it is characterised in that: the section of the clay core wall (3)
It is trapezoidal.
7. saturation high-fill roadbed structure according to claim 1, it is characterised in that: the section of the rockfill area (6) is in
Trapezoidal, rockfill area (6) exposed side is equipped with dry stone pitching layer (7).
8. saturation high-fill roadbed structure according to claim 1, it is characterised in that: the rockfill area (6) and native stone return
It fills out in area (9) and is equipped with multilayer TGXG (8).
9. saturation high-fill roadbed structure according to claim 8, it is characterised in that: the adjacent TGXG (8) it
Between interlamellar spacing be 1-3m.
10. saturation high-fill roadbed structure according to claim 9, it is characterised in that: the adjacent TGXG (8) it
Between interlamellar spacing be 2m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820843365.4U CN208279958U (en) | 2018-06-01 | 2018-06-01 | Saturated high fill roadbed structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820843365.4U CN208279958U (en) | 2018-06-01 | 2018-06-01 | Saturated high fill roadbed structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208279958U true CN208279958U (en) | 2018-12-25 |
Family
ID=64706574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820843365.4U Active CN208279958U (en) | 2018-06-01 | 2018-06-01 | Saturated high fill roadbed structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208279958U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108611941A (en) * | 2018-06-01 | 2018-10-02 | 中国电建集团贵阳勘测设计研究院有限公司 | Method for processing saturated high-fill roadbed |
-
2018
- 2018-06-01 CN CN201820843365.4U patent/CN208279958U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108611941A (en) * | 2018-06-01 | 2018-10-02 | 中国电建集团贵阳勘测设计研究院有限公司 | Method for processing saturated high-fill roadbed |
| CN108611941B (en) * | 2018-06-01 | 2023-08-25 | 中国电建集团贵阳勘测设计研究院有限公司 | Method for processing saturated high-fill roadbed |
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