CN210238538U - Slope treatment device with supporting and drainage functions - Google Patents
Slope treatment device with supporting and drainage functions Download PDFInfo
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- CN210238538U CN210238538U CN201920914339.0U CN201920914339U CN210238538U CN 210238538 U CN210238538 U CN 210238538U CN 201920914339 U CN201920914339 U CN 201920914339U CN 210238538 U CN210238538 U CN 210238538U
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Abstract
The utility model discloses a side slope punishment device with support drainage function, include: the window type face protecting wall, the supporting seepage ditch and the retaining wall; the window hole type face protection wall is arranged on the upstream face of the inner side of the side slope and is of a sash framework structure provided with a window hole structure; the supporting infiltration ditch comprises a water-permeable geotextile layer, a gravel layer, a drain pipe and an infiltration ditch bottom, wherein the water-permeable geotextile layer is arranged on the upstream face, and the gravel particle size of the gravel layer is gradually reduced and distributed from the outer side to the inner side of the side slope; the drain pipe is arranged between the gravel layer and the bottom of the infiltration ditch, and the pipe wall of the drain pipe is provided with seepage holes; the retaining wall is built on the outer side of the supporting infiltration ditch. Through the technical scheme of the utility model, guide the side slope of protecting simultaneously to groundwater, effectively improved the drainage efficiency of the side slope of occurrence groundwater paragraph to reduce the destruction that the water damage brought to the side slope, and simple and practical, the cost is lower, and convenient for material collection has better application prospect.
Description
Technical Field
The utility model relates to a technical field is dredged to the road, especially relates to a side slope treatment device with support drainage function.
Background
In road construction, the stability of the side slope is closely related to the engineering quality, so the side slope treatment technology and effect are of great importance in the engineering construction. Usually, the stability of the slope is affected to some extent by the geological and hydrological conditions, climate, topography and weathering of the site of the project. Particularly, diseases such as side slope collapse, collapse and even landslide are easily caused by the existence of water, and the attention of engineering related personnel should be paid enough. The existing treatment method generally adopts a mode of additionally arranging a drain pipe for drainage to drain water existing under the side slope, but the method does not have effective support and has no obvious effect on the stability of the side slope.
SUMMERY OF THE UTILITY MODEL
To the weak point that exists in the above-mentioned problem, the utility model provides a side slope treatment device with support drainage function through set up window formula facing wall, support infiltration ditch and retaining wall at the side slope, guides ground water and protects the side slope simultaneously, has effectively improved the drainage efficiency of the side slope of occurrence groundwater paragraph to reduce the destruction that the water harm brought the side slope, and simple and practical, the cost is lower, and convenient for material collection has better application prospect.
In order to achieve the above object, the utility model provides a side slope treatment device with support drainage function, include: the window type face protecting wall, the supporting seepage ditch and the retaining wall; the window hole type face protection wall is arranged on the upstream face of the inner side of the side slope and is of a sash framework structure provided with a window hole structure; the supporting infiltration ditch comprises a water-permeable geotextile layer, a gravel layer, a drain pipe and an infiltration ditch bottom, wherein the infiltration ditch bottom is arranged at the bottom of the supporting infiltration ditch, the water-permeable geotextile layer and the gravel layer are arranged above the infiltration ditch bottom at the inner side of the side slope from inside to outside, the water-permeable geotextile layer is arranged at the upstream face, and the gravel particle size of the gravel layer is gradually reduced and distributed from the outer side of the side slope to the inner side; the drain pipe is arranged between the gravel layer and the bottom of the infiltration ditch, the axial direction of the drain pipe is vertical to the flow direction of underground water, and the pipe wall of the drain pipe is provided with seepage holes; the retaining wall is built on the outer side of the supporting infiltration ditch.
In the above technical solution, preferably, the gravel or pebbles with a grain size of 3-5 cm are filled outside the gravel layer, the gravel or pebbles are layered inside the gravel or pebbles according to a grain size ratio of the gravel, the thickness of each layer is 15 cm, and the grain size ratio of the gravel is decreased progressively according to a ratio of 4: 1.
In the above technical solution, preferably, the content of gravel with a grain size of less than 0.15 mm in the gravel layer is not more than 5%.
In the above technical solution, preferably, the drain pipe is made of PVC, the water seepage holes on the drain pipe are arranged in a quincunx shape, and the longitudinal distance between the water seepage holes is smaller than 20 cm.
In the above technical solution, preferably, the bottom of the infiltration trench is built by using grouted rubbles or concrete, and the retaining wall is built by using grouted rubbles or concrete.
In the above technical solution, preferably, the window-type facing wall is built by concrete, slab concrete, mortar block stone, pebble and/or gravel, and the window hole of the window-type facing wall is in a herringbone shape, a rhombic shape or a square shape.
In the above technical solution, preferably, the drain pipe is externally wrapped with a water-permeable geotextile.
In the above technical solution, preferably, when the permeable geotextile is wrapped outside the drain pipe, the permeable geotextile is filled with crushed stones, gravels or pebbles with equal particle diameters larger than the pore diameter of the water seepage hole.
In the above technical solution, preferably, the window type facing wall is disposed inside a side slope with a slope not steeper than 1: 0.5.
In the above technical solution, preferably, the window holes of the window-type facing wall are protected by dry rubbles or grass.
Compared with the prior art, the beneficial effects of the utility model are that: through set up the window formula dado wall, support infiltration ditch and retaining wall at the side slope, protect the side slope simultaneously to groundwater guide, effectively improved the drainage efficiency of the side slope of occurrence groundwater paragraph to reduce the damage that the water damage brought to the side slope, and simple and practical, the cost is lower, and convenient for material collection has better application prospect.
Drawings
Fig. 1 is a schematic cross-sectional structure view of a slope treatment device with supporting and draining functions according to an embodiment of the present invention.
In the drawings, the correspondence between each component and the reference numeral is:
1. the method comprises the following steps of (1) window hole type face protection wall, (2) supporting infiltration ditch, (21) permeable geotextile layer, (22) gravel layer, (23) infiltration ditch bottom, (24) drain pipe, and (3) retaining wall.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1, according to the utility model provides a pair of side slope treatment device with support drainage function, include: the window type face protecting wall 1, the supporting infiltration ditch 2 and the retaining wall 3; the window type face protection wall 1 is arranged on the upstream face of the inner side of the side slope, and the window type face protection wall 1 is of a sash framework structure provided with a window structure; the supporting infiltration ditch 2 comprises a water-permeable geotextile layer 21, a gravel layer 22, a drain pipe 24 and an infiltration ditch bottom 23, the infiltration ditch bottom 23 is arranged at the bottom of the supporting infiltration ditch 2, the water-permeable geotextile layer 21 and the gravel layer 22 are arranged above the infiltration ditch bottom 23 at the inner side of the side slope from inside to outside, the water-permeable geotextile layer 21 is arranged at the upstream face, and the gravel particle size of the gravel layer 22 is gradually reduced and distributed from the outer side of the side slope to the inner side; the drain pipe 24 is arranged between the gravel layer 22 and the bottom 23 of the infiltration ditch, the axial direction of the drain pipe 24 is vertical to the flow direction of underground water, and the pipe wall of the drain pipe 24 is provided with infiltration holes; the retaining wall 3 is built outside the supporting infiltration ditch 2.
In this embodiment, the fenestrated revetment 1 is installed when the slope is a multi-level slope, and is paved with grouted rubble or concrete material according to the scale and level of the project. The window type facing wall 1 is used for severely weathered or easily weathered soft rock, broken excavation square sections and soil slopes with slopes easy to corrode or small-sized collapse. By adopting the window hole type face protection wall 1, the stability of the side slope can be effectively improved, the digging height of the side slope can be reduced, the digging quantity of the side slope is reduced, the manufacturing cost is saved, and the road appearance is neat and attractive.
Wherein, the supporting infiltration ditch 2 can effectively reduce the underground water level or intercept the underground water. The supporting infiltration ditch 2 is suitable for the stratum with shallow underground water burial or without fixed aquifer. One side of the supporting infiltration ditch 2 close to the upstream side of the side slope is provided with a permeable geotextile layer 21, and the inner side of the permeable geotextile layer 21 is provided with a gravel layer 22. The gravel layer 22 can filter impurities while ensuring that water flows seep out, and prevents water flow channels from being blocked. The inner diameter of the gravel in the gravel layer 22 is arranged in stages and decreases from the outside to the inside of the slope. Crushed stones or pebbles are used outside the gravel layer 22. The bottom 23 of the infiltration ditch is provided with a PVC drain pipe 24, the PVC drain pipe 24 of the drainage blind ditch is punched so as to be permeable, the water seepage holes are arranged in a quincunx shape, the distance between the longitudinal holes is less than 20cm, and the PVC drain pipe 24 is wrapped with a layer of permeable geotextile. The infiltration ditch bottom 23 is built by mortar rubble or cast-in-place concrete base and is used for fixing the whole infiltration ditch structure. And a retaining wall 3 is arranged on the outer side of the supporting infiltration ditch 2, and the retaining wall 3 is built by mortar rubbles or concrete according to the engineering scale and grade. The retaining wall 3 can effectively support the hillside soil body and prevent filling soil or the soil body from deforming and destabilizing.
In the above embodiment, it is preferable that crushed stone or gravel with a grain size of 3 to 5 cm is filled outside the gravel layer 22, the crushed stone or gravel is layered inside the crushed stone or gravel according to a grain size ratio of the gravel, finer-grained gravel (medium sand, coarse sand, gravel) is filled as a reversed filter layer, the thickness of each layer is 15 cm, and the grain size ratio of the gravel is decreased progressively according to a ratio of 4: 1. Wherein, preferably, the content of gravel having a particle size of less than 0.15 mm in the gravel layer 22 is not more than 5%.
In the above embodiment, it is preferable that the drain pipe 24 is made of PVC, and the water seepage holes on the drain pipe 24 are arranged in a quincunx shape, and the longitudinal distance between the water seepage holes is less than 20 cm.
In the above embodiment, preferably, the infiltration trench bottom 23 is constructed by using grouted rubble or concrete, and the retaining wall 3 is constructed by using grouted rubble or concrete.
In the above embodiment, preferably, the window-hole-type facing wall 1 uses concrete, slab concrete, grouted block stone, pebble and/or gravel as a sash frame to prevent the slope from collapsing, and particularly has a good protection effect on the side slope formed by the residual product-slope product layer, and can stabilize the side slope. The shape of the window-type facing wall 1 is preferably a chevron, a diamond or a square.
In the above embodiment, the drain pipe 24 is preferably wrapped with a water permeable geotextile.
In the above embodiment, preferably, when the permeable geotextile is wrapped outside the drain pipe 24, the periphery of the permeable geotextile is filled with crushed stones, gravels or pebbles with equal particle sizes larger than the pore diameters of the water seepage holes.
In the above embodiment, preferably, the fenestrated facing wall 1 is provided inside a slope having a slope not steeper than 1: 0.5. Specifically, the window hole type facing wall 1 is not loaded with other loads except the dead weight, and is not loaded with the pressure behind the wall, so that the slope gradient of the excavation slope protected by the facing wall meets the requirement of a limit stable slope. The window-type facing wall 1 is preferably used for a slope having a gradient slower than 1: 0.75. When the rock stratum of the side slope is complete and the slope is steep, a rib type retaining wall can be adopted. Preferably, the window holes of the window hole type facing wall 1 are protected by dry rubbles or grass planting.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a side slope treatment device with support drainage function which characterized in that includes: the window type face protecting wall, the supporting seepage ditch and the retaining wall;
the window hole type face protection wall is arranged on the upstream face of the inner side of the side slope and is of a sash framework structure provided with a window hole structure;
the supporting infiltration ditch comprises a water-permeable geotextile layer, a gravel layer, a drain pipe and an infiltration ditch bottom, wherein the infiltration ditch bottom is arranged at the bottom of the supporting infiltration ditch, the water-permeable geotextile layer and the gravel layer are arranged above the infiltration ditch bottom at the inner side of the side slope from inside to outside, the water-permeable geotextile layer is arranged at the upstream face, and the gravel particle size of the gravel layer is gradually reduced and distributed from the outer side of the side slope to the inner side;
the drain pipe is arranged between the gravel layer and the bottom of the infiltration ditch, the axial direction of the drain pipe is vertical to the flow direction of underground water, and the pipe wall of the drain pipe is provided with seepage holes;
the retaining wall is built on the outer side of the supporting infiltration ditch.
2. A slope treatment device with supporting and draining functions as claimed in claim 1, wherein the outside of the gravel layer is filled with crushed stones or pebbles with a grain size of 3-5 cm, the crushed stones or pebbles are layered on the inside according to the grain size ratio of the gravel, the thickness of each layer is 15 cm, and the grain size ratio of the gravel is decreased progressively according to a ratio of 4: 1.
3. The slope treatment apparatus with supporting and draining functions of claim 2, wherein the gravel layer contains gravel with a grain size of less than 0.15 mm in an amount of not more than 5%.
4. The slope treatment device with the function of supporting and draining water of claim 1, wherein the drain pipe is made of PVC, the water seepage holes on the drain pipe are arranged in a quincunx shape, and the longitudinal distance between the water seepage holes is less than 20 cm.
5. The slope treatment device with the function of supporting and draining water of claim 1, wherein the infiltration ditch bottom is built by mortar rubble or concrete, and the retaining wall is built by mortar rubble or concrete.
6. The slope treatment device with the function of supporting and draining water of claim 1, wherein the fenestrated facing wall is built by concrete, rubble concrete, mortar rubble, pebbles and/or gravels, and the shape of the fenestrated facing wall is herringbone, rhombic or square.
7. The slope treatment device with the function of supporting and draining water of claim 1, wherein the outer side of the drain pipe is wrapped with a permeable geotextile.
8. The side slope treatment device with the function of supporting and draining water of claim 7, wherein when the water permeable geotextile is wrapped outside the drain pipe, the periphery of the water permeable geotextile is filled with equal-particle-size broken stones, gravels or pebbles which are larger than the pore diameter of the water permeable holes.
9. The slope treatment device with the function of supporting and draining water of claim 1, wherein the window type facing wall is arranged on the inner side of the slope with the slope not steeper than 1: 0.5.
10. The slope treatment device with the function of supporting and draining water of claim 1, 6 or 9, wherein the window holes of the window type facing wall are protected by dry rubble or grass planting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920914339.0U CN210238538U (en) | 2019-06-18 | 2019-06-18 | Slope treatment device with supporting and drainage functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920914339.0U CN210238538U (en) | 2019-06-18 | 2019-06-18 | Slope treatment device with supporting and drainage functions |
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| Publication Number | Publication Date |
|---|---|
| CN210238538U true CN210238538U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920914339.0U Expired - Fee Related CN210238538U (en) | 2019-06-18 | 2019-06-18 | Slope treatment device with supporting and drainage functions |
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| Country | Link |
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| CN (1) | CN210238538U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114411687A (en) * | 2022-02-11 | 2022-04-29 | 西安公路研究院有限公司 | Renewable resource slope shallow drainage device for road reconstruction and extension and building method |
-
2019
- 2019-06-18 CN CN201920914339.0U patent/CN210238538U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114411687A (en) * | 2022-02-11 | 2022-04-29 | 西安公路研究院有限公司 | Renewable resource slope shallow drainage device for road reconstruction and extension and building method |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 710075 No. 60, Gaoxin Sixth Road, high tech Zone, Xi'an, Shaanxi Patentee after: Xi'an Highway Research Institute Co.,Ltd. Address before: 710065 No.60, Gaoxin 6th Road, Yanta District, Xi'an City, Shaanxi Province Patentee before: XI'AN HIGHWAY INSTITUTE |
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| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 Termination date: 20210618 |
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| CF01 | Termination of patent right due to non-payment of annual fee |