CN210507484U

CN210507484U - Protection device for schist slope restoration

Info

Publication number: CN210507484U
Application number: CN201921074035.4U
Authority: CN
Inventors: 郎煜华; 胡祎鸣; 柴华
Original assignee: Guangzhou Zhongmao Landscape Construction Engineering Co ltd; China Three Gorges University CTGU
Current assignee: Guangzhou Zhongmao Landscape Construction Engineering Co ltd; China Three Gorges University CTGU
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-05-12
Anticipated expiration: 2029-07-10

Abstract

The utility model belongs to the technical field of sloping field protection, concretely relates to protection device for sheet rock slope restoration, including bottom greening protective belt, domatic protective belt, concrete placement layer and domatic afforestation layer, bottom greening protective belt is located the below of domatic protective belt, domatic protective belt includes concrete placement layer and domatic afforestation layer, domatic afforestation layer is located the outer of concrete placement layer; the utility model discloses concrete placement layer has been set up on domatic, and set up domatic greening layer on it, domatic greening layer divide into the green unit of planting of a plurality of, and green plant be equipped with the water guide canal between the unit, the green bottom of planting the unit is equipped with the escape canal, under the state of raininess, the green water of planting in the unit can be arranged the water guide canal through the escape canal, can reduce the washing away to the rock stratum, reduce the corruption to the rock stratum, and through the reinforcing effect of concrete to the rock stratum, can play good guard action.

Description

Protection device for schist slope restoration

Technical Field

The utility model belongs to the technical field of the hillside fields protection, concretely relates to protection device for piece rock side slope restoration.

Background

The silty clay content in the fully weathered layer of the schist is large, a certain dry-wet effect exists, the dry cracking phenomenon is easy to occur, and under the rainfall condition, the cohesive force of the residual slope layer of the fully weathered layer is rapidly reduced, and the strength is rapidly reduced. Besides the instability of the weathering residual slope soil, the sliding of the slope along the inside of the rock slice or the structural combination surface is more common.

The shear strength and the property of the schist are greatly determined by the content of mica, if the content of the schist mica is higher, the rock belongs to soft rock or softer rock, the rock is easy to be weathered and broken, the bonding of the schist surface is poor, the influence of rainfall is caused, rainwater infiltrates along the broken zone of the schist joint and fracture structure, the rock is softened when meeting water, and the shear strength of the rock is rapidly reduced. The side slope is not protected in time after being excavated, and the side slope is easy to collapse or slide along a piece surface and a structural combination surface, so that a protection device with high strength and good drainage performance is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a protection device for schist slope restoration to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a protection device for schist slope restoration, includes bottom afforestation protecting band, domatic protecting band, concrete placement layer and domatic afforestation layer, bottom afforestation protecting band is located the below of domatic protecting band, domatic protecting band includes concrete placement layer and domatic afforestation layer, domatic afforestation layer in the skin on concrete placement layer, concrete placement layer includes the green unit of planting of a plurality of, and transversely adjacent green water guide channel who is equipped with longitudinal distribution between the unit of planting, the bottom of green unit of planting be equipped with the escape canal of water guide channel intercommunication, green unit of planting is the open structure in upper end that bottom concrete layer and vertical concrete rail and horizontal concrete rail enclose, domatic afforestation layer is located green plant in the unit.

Preferably, the intersection of the longitudinal concrete fence and the transverse concrete fence is provided with an anchor point, and the anchor point comprises an anchor rod embedded into the rock stratum, a concrete block positioned on the outer side of the anchor rod, and a transverse steel bar and a longitudinal steel bar which are fixed on the concrete block.

Preferably, the number of the transverse steel bars is at least four, and the transverse steel bars are embedded in the transverse concrete fence, and the number of the longitudinal steel bars is at least four, and the longitudinal steel bars are embedded in the longitudinal concrete fence.

Preferably, the water guide channel is formed by pouring concrete, and the width of the water guide channel is 0.5 m.

Preferably, the slope greening layer comprises a gravel layer, a fine sand layer, a soil layer and a vegetation layer which are distributed from bottom to top, a drain hole communicated with the drainage ditch is formed in the side wall of the green plant unit, and a filter screen is arranged on the inner side of the drain hole.

Preferably, the filter screen is the plastics material, the aperture of filter screen is less than the size of stone in the metalling.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses concrete placement layer has been set up on domatic, and set up domatic greening layer on it, domatic greening layer divide into the green unit of planting of a plurality of, and green plant be equipped with the water guide canal between the unit, the green bottom of planting the unit is equipped with the escape canal, under the state of raininess, the green water of planting in the unit can be arranged the water guide canal through the escape canal, can reduce the washing away to the rock stratum, reduce the corruption to the rock stratum, and through the reinforcing effect of concrete to the rock stratum, can play good guard action.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the middle slope surface protection belt of the present invention;

fig. 3 is a schematic structural diagram of an anchor point in the present invention;

fig. 4 is the schematic structural diagram of the greening layer on the middle slope surface of the present invention.

In the figure: 1. a bottom layer greening protective belt; 2. a slope surface protection belt; 3. pouring a concrete layer; 301. a green plant unit; 302. a drainage ditch; 303. a drain hole; 304. filtering with a screen; 31. a longitudinal concrete fence; 32. a transverse concrete fence; 33. an anchor point; 331. an anchor rod; 332. a concrete block; 333. transverse reinforcing steel bars; 334. longitudinal reinforcing steel bars; 4. a slope greening layer; 41. a crushed stone layer; 42. a fine sand layer; 43. a soil layer; 44. a vegetable layer; 5. a water guide channel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a protection device for schist slope restoration, including bottom afforestation protecting band 1, domatic protecting band 2, concrete placement layer 3 and domatic afforestation layer 4, bottom afforestation protecting band 1 is located the below of domatic protecting band 2, domatic protecting band 2 includes concrete placement layer 3 and domatic afforestation layer 4, domatic afforestation layer 4 is located the skin of concrete placement layer 3, concrete placement layer 3 includes the green unit 301 of planting of a plurality of, and horizontal adjacent green water guide channel 5 that is equipped with longitudinal distribution between planting the unit 301, the green bottom of planting unit 301 is equipped with the escape canal 302 that communicates with water guide channel 5, green unit 301 of planting is the open structure in upper end that bottom concrete layer and vertical concrete fence 31 and horizontal concrete fence 32 enclose, domatic afforestation layer 4 is located green planting unit 301.

In this embodiment, the bottom greening protective belt 1 is located below the slope protective belt 2, and can protect the bottom of the slope, so as to play a certain role in isolation and prevent falling objects on the slope from directly sliding into the slope bottom, the slope protective belt 2 includes a concrete pouring layer 3 and a slope greening layer 4, the concrete pouring layer 3 can play a role in protection and fixation on the outer layer of the slope and reduce further erosion of rainwater to a certain extent, the slope greening layer 4 is located on the outer layer of the concrete pouring layer 3, the slope greening layer 4 can perform greening protection on the slope, the concrete pouring layer 3 includes a plurality of green planting units 301, and a longitudinally distributed water guide channel 5 is arranged between the horizontally adjacent green planting units 301, a drainage ditch 302 communicated with the water guide channel 5 is arranged at the bottom of the green planting units 301, the green planting units 301 are bottom concrete layers and an upper-end open structure surrounded by a longitudinal concrete fence 31 and a transverse concrete fence 32, the domatic afforestation layer 4 is arranged in green unit 301 of planting, and green planting has planted in the green unit 301 of planting, and when the rainwater was a large amount of when falling on domatic, the rainwater in the green unit 301 of planting assembles the outflow from water guide channel 5, and water guide channel 5 inboard is spread and is had concrete layer, can prevent the erosion of rainwater to the stratum rock.

Specifically, an anchor point 33 is arranged at the intersection of the longitudinal concrete fence 31 and the transverse concrete fence 32, the anchor point 33 comprises an anchor rod 331 embedded in a rock stratum, a concrete block 332 located outside the anchor rod 331, and a transverse steel bar 333 and a longitudinal steel bar 334 fixed on the concrete block 332, the anchor rod 331 distributed in a grid shape is arranged at a proper position on the slope surface, concrete is poured outside the anchor rod 331, the transverse steel bar 333 and the longitudinal steel bar 334 are embedded, then concrete is poured outside the transverse steel bar 333 and the longitudinal steel bar 334, the longitudinal concrete fence 31 and the transverse concrete fence 32 are manufactured, and the structural strength is guaranteed to be reliable.

Specifically, the number of the transverse steel bars 333 is at least four, and the transverse steel bars are embedded in the transverse concrete fence 32, the number of the longitudinal steel bars 334 is at least four, and the transverse steel bars 333 and the longitudinal steel bars 334 are embedded in the longitudinal concrete fence 31, and the appropriate number is set according to the height and the width of the longitudinal concrete fence 31 and the transverse concrete fence 32.

Specifically, the water guide channel 5 is formed by pouring concrete, the width of the water guide channel 5 is 0.5m, a large amount of water can be guided out of the slope, and the situations that rainwater corrodes the rock stratum in a large area and the like are prevented.

Specifically, the slope greening layer 4 comprises a gravel layer 41, a fine sand layer 42, a soil layer 43 and a vegetation layer 44 which are distributed from bottom to top, a drain hole 303 communicated with a drain 302 is formed in the side wall of the green planting unit 301, a filter screen 304 is arranged on the inner side of the drain hole 303, the effect of filtering water can be achieved through the gravel layer 41 and the fine sand layer 42, and soil in the soil layer can be prevented from running off along with water.

Specifically, the filter screen 304 is made of plastic, the aperture of the filter screen 304 is smaller than the size of the stone in the gravel layer 41, and the plastic filter screen 304 can prevent the filter screen from being corroded and broken.

The utility model discloses a theory of operation and use flow: the bottom greening protective belt 1 is positioned below the slope protective belt 2, can protect the bottom of the slope, plays a certain role in isolation, and also can prevent falling objects on the slope from directly sliding into the slope bottom, the concrete pouring layer 3 can play a role in protection and fixation on the outer layer of the slope and can reduce further erosion of rainwater to a certain extent, the slope greening layer 4 is positioned on the outer layer of the concrete pouring layer 3, the slope greening layer 4 can perform greening protection on the slope, the concrete pouring layer 3 comprises a plurality of green planting units 301, water guide channels 5 which are longitudinally distributed are arranged between the green planting units 301 which are transversely adjacent, drainage ditches 302 which are communicated with the water guide channels 5 are arranged at the bottoms of the green planting units 301, the green planting units 301 are bottom concrete layers and upper-end open structures which are formed by a longitudinal concrete fence 31 and a transverse concrete fence 32, and the greening layer 4 is positioned in the slope planting units 301, green planting is planted in the green planting unit 301, when a large amount of rainwater flows down on the slope surface, the rainwater in the green planting unit 301 is gathered from the water guide channel 5 and flows out, and a concrete layer is paved on the inner side of the water guide channel 5, so that erosion of the rainwater to the rock stratum can be prevented.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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

1. The utility model provides a protection device for schist slope restoration which characterized in that: the greening protective belt comprises a bottom greening protective belt (1), a slope protective belt (2), a concrete pouring layer (3) and a slope greening layer (4), wherein the bottom greening protective belt (1) is located below the slope protective belt (2), the slope protective belt (2) comprises the concrete pouring layer (3) and the slope greening layer (4), the slope greening layer (4) is located on the outer layer of the concrete pouring layer (3), the concrete pouring layer (3) comprises a plurality of green planting units (301), longitudinally distributed water guide channels (5) are arranged between the green planting units (301) which are transversely adjacent, drainage ditches (302) communicated with the water guide channels (5) are arranged at the bottoms of the green planting units (301), and the green planting units (301) are of bottom concrete layers and upper-end open structures surrounded by longitudinal concrete fences (31) and transverse concrete fences (32), the slope greening layer (4) is located in the green planting unit (301).

2. The protection device for schist slope restoration according to claim 1, wherein: the anchor point (33) is arranged at the intersection of the longitudinal concrete fence (31) and the transverse concrete fence (32), and the anchor point (33) comprises an anchor rod (331) embedded into a rock stratum, a concrete block (332) located on the outer side of the anchor rod (331), and a transverse steel bar (333) and a longitudinal steel bar (334) fixed on the concrete block (332).

3. The protection device for repairing a schist slope according to claim 2, wherein: the number of the transverse steel bars (333) is at least four, and the transverse steel bars are embedded in the transverse concrete fence (32), and the number of the longitudinal steel bars (334) is at least four, and the longitudinal steel bars are embedded in the longitudinal concrete fence (31).

4. The protection device for schist slope restoration according to claim 1, wherein: the water guide channel (5) is formed by pouring concrete, and the width of the water guide channel (5) is 0.5 m.

5. The protection device for schist slope restoration according to claim 1, wherein: the slope greening layer (4) comprises a gravel layer (41), a fine sand layer (42), a soil layer (43) and a vegetation layer (44) which are distributed from bottom to top, a drainage hole (303) communicated with the drainage ditch (302) is formed in the side wall of the green planting unit (301), and a filter screen (304) is arranged on the inner side of the drainage hole (303).

6. The protection device for schist slope restoration according to claim 5, wherein: the filter screen (304) is made of plastic, and the pore size of the filter screen (304) is smaller than the size of the stone blocks in the stone crushing layer (41).