CN211690199U - Thick overburden side slope antiscour structure - Google Patents
Thick overburden side slope antiscour structure Download PDFInfo
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- CN211690199U CN211690199U CN202020028150.4U CN202020028150U CN211690199U CN 211690199 U CN211690199 U CN 211690199U CN 202020028150 U CN202020028150 U CN 202020028150U CN 211690199 U CN211690199 U CN 211690199U
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- slope
- side slope
- covering layer
- layer side
- thick
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- 210000003371 Toes Anatomy 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims 5
- 238000000576 coating method Methods 0.000 claims 5
- 230000002265 prevention Effects 0.000 claims 5
- 210000002683 Foot Anatomy 0.000 claims 1
- 239000011435 rock Substances 0.000 claims 1
- 238000009991 scouring Methods 0.000 abstract description 6
- 230000003014 reinforcing Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000149 penetrating Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 210000001503 Joints Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing Effects 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Abstract
The utility model provides a thick covering layer side slope anti-scouring structure, which comprises a covering layer side slope arranged on one side of bedrock; slope pasting concrete and a berm are arranged on the covering layer side slope, and the slope pasting concrete is connected with the covering layer side slope through anchor cables; and a drain hole is communicated between the slope pasting concrete and the covering layer side slope, and a filling pile is arranged at the slope toe of the covering layer side slope. The utility model provides a thick overburden layer high side slope administer the degree of difficulty big, the side slope erodees serious problem, simultaneously, reduces the side slope support engineering volume, and the reinforcing side slope is stable.
Description
Technical Field
The utility model relates to a thick overburden side slope antiscour structure is applicable to deep overburden high side slope, and rivers erode the serious condition, belongs to geotechnical engineering side slope and administers technical field.
Background
The deep covering layer of the two banks of the river in the southwest region develops, the side slope is high, the side slope is seriously scoured in rainy season, the landslide damage is easy to occur, the treatment difficulty of the side slope is high, an anti-slide pile and retaining wall support type is usually adopted, the anti-slide pile at the bottom plays a role in supporting a foundation, the retaining wall at the upper part supports the side slope of the covering layer, when the side slope is high, the height and the engineering quantity of the retaining wall are increased, and the stability of the retaining wall is difficult; in order to reduce the difficulty of slope treatment and the amount of supporting engineering, a lattice beam and anchor cable supporting mode is adopted, the lattice beams are arranged on the surface of the thick-covering-layer slope, and the prestressed anchor cables are arranged at the joints of the lattice beams.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a thick overburden side slope scouring resistance structure, this thick overburden side slope scouring resistance structure both can solve thick overburden height side slope and administer the degree of difficulty big, and the side slope erodees serious problem, can reduce the side slope support engineering volume again, and the reinforcing side slope is stable.
The utility model discloses a following technical scheme can realize.
The utility model provides a thick covering layer side slope anti-scouring structure, which comprises a covering layer side slope arranged on one side of bedrock; slope pasting concrete and a berm are arranged on the covering layer side slope, and the slope pasting concrete is connected with the covering layer side slope through a plurality of anchor cables; a plurality of drain holes are arranged between the slope pasting concrete and the covering layer side slope in a penetrating mode, and a filling pile is arranged at the slope toe of the covering layer side slope.
And the cast-in-place piles and the anchor cables penetrate through the covering layer side slope and extend into the bedrock.
The height difference between the streets is 10-15 m.
A plurality of drain holes and anchor cables are distributed according to a quincunx shape.
And the slope concrete is supported from the top of the covering layer side slope to the toe of the covering layer side slope.
The drain hole is arranged in an elevation angle.
The beneficial effects of the utility model reside in that: the problems of large difficulty in treating high slopes with thick covering layers and serious slope scouring are solved, and meanwhile, the amount of slope supporting engineering is reduced, and slope stability is enhanced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: 1-covering layer side slope, 2-bedrock, 3-slope concrete, 4-filling pile, 5-drainage hole and 6-anchor cable.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1, a thick overburden side slope anti-scouring structure comprises an overburden side slope 1 arranged on one side of a bedrock 2; the covering layer side slope 1 is provided with slope pasting concrete 3 and a berm, and the slope pasting concrete 3 is connected with the covering layer side slope 1 through a plurality of anchor cables 6; a plurality of drain holes 5 are arranged between the slope pasting concrete 3 and the covering layer side slope 1 in a penetrating mode, and a filling pile 4 is arranged at the slope toe of the covering layer side slope 1.
The cast-in-place pile 4 and the anchor cable 6 both penetrate through the covering layer side slope 1 and extend into the bedrock 2, and the anchor cable 6 extends into the bedrock 2 to enhance the side slope stability; the cast-in-place pile 4 extends into the bedrock 2 to prevent water flow from washing.
The height difference between the streets is 10-15 m.
A plurality of drain holes 5 and anchor cables 6 are arranged according to a quincunx pattern.
The slope concrete 3 is supported to the slope toe of the covering layer side slope 1 from the top of the covering layer side slope 1, the thickness is about 1-2 m, and slope surface water flow of the covering layer side slope 1 is prevented from permeating into the thick covering layer side slope.
The drain holes 5 are arranged at an elevation angle, so that accumulated water in the covering layer side slope 1 can be drained timely.
Furthermore, the slope concrete 3 is supported to the position of the slope toe from the top of the covering layer side slope 1, the cast-in-place pile 4 is arranged at the slope toe, the cast-in-place pile 4 extends into the bedrock 2, and the slope concrete 3 and the slope toe cast-in-place pile 4 form a closed anti-seepage system to prevent slope water flow from permeating into the covering layer side slope 1.
Furthermore, drainage holes 5 are formed in the surface of the concrete 3 to drain accumulated water in the covering layer side slope 1 in time.
Furthermore, anchor cables 6 are arranged on the surface of the concrete 3 attaching to the slope, and the anchor cables 6 penetrate into the bedrock 2, so that the stability of the covering layer slope 1 is enhanced.
Examples
Specifically, the utility model discloses a construction steps as follows:
a. determining the excavated gradient of a covering layer side slope 1 to be 1:0.75 according to the characteristics of a side slope covering layer, determining the number of berm levels to be four by combining the height of the covering layer side slope 1, and cleaning dangerous block stones on the surface of the side slope, wherein the height difference between berms is 10 m;
b. c20 grade slope concrete 3 with the thickness of 1-2 m is supported from the top of the covering layer side slope 1 to the slope toe, after the strength of the grade slope concrete 3 meets the design requirement, phi 50 drain holes 5 with the length L being 5m are arranged according to a quincunx pattern, the elevation angle is 10 degrees, and the spacing row spacing is 3m multiplied by 3 m;
c. arranging 150t anchor cables 6 with the length L being 60m according to a quincunx shape, wherein the anchor cables 6 penetrate into the bedrock 2, the distance between the anchor cables is 5m, the layer distance is 7.5m, and the slope stability is enhanced;
d. a single row of C30 cast-in-place piles 4 are constructed at the toe positions of the covering layer side slopes 1, the diameter D of each pile is 1.5m, the distance between piles is 2m, and water flow washing can be prevented.
To sum up, the utility model discloses it is big to solve thick overburden layer high slope effectively and administer the degree of difficulty, and the side slope erodees serious problem.
Claims (6)
1. The utility model provides a thick overburden side slope scour resistance structure, is including setting up overburden side slope (1) in basement rock (2) one side, its characterized in that: the covering layer side slope (1) is provided with slope pasting concrete (3) and a berm, and the slope pasting concrete (3) is connected with the covering layer side slope (1) through a plurality of anchor cables (6); a plurality of drain holes (5) are arranged between the slope attaching concrete (3) and the covering layer side slope (1), and a filling pile (4) is arranged at the slope foot of the covering layer side slope (1).
2. The thick-coating slope scour prevention structure of claim 1, wherein: the cast-in-place pile (4) and the anchor cable (6) penetrate through the covering layer slope (1) and extend into the bedrock (2).
3. The thick-coating slope scour prevention structure of claim 1, wherein: the height difference between the streets is 10-15 m.
4. The thick-coating slope scour prevention structure of claim 1, wherein: a plurality of drain holes (5) and anchor cables (6) are arranged according to a quincunx shape.
5. The thick-coating slope scour prevention structure of claim 1, wherein: and the slope concrete (3) is supported to the slope toe of the covering layer side slope (1) from the top of the covering layer side slope (1).
6. The thick-coating slope scour prevention structure of claim 1, wherein: the drain hole (5) is arranged in an elevation angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020028150.4U CN211690199U (en) | 2020-01-07 | 2020-01-07 | Thick overburden side slope antiscour structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020028150.4U CN211690199U (en) | 2020-01-07 | 2020-01-07 | Thick overburden side slope antiscour structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211690199U true CN211690199U (en) | 2020-10-16 |
Family
ID=72799495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020028150.4U Active CN211690199U (en) | 2020-01-07 | 2020-01-07 | Thick overburden side slope antiscour structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211690199U (en) |
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2020
- 2020-01-07 CN CN202020028150.4U patent/CN211690199U/en active Active
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