CN215715015U

CN215715015U - River course landslide prevention comprehensive treatment structure

Info

Publication number: CN215715015U
Application number: CN202121406658.4U
Authority: CN
Inventors: 江小军; 龚德胜; 陈柏希
Original assignee: Chongqing 2005 Survey And Design Co ltd
Current assignee: Chongqing 2005 Survey And Design Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-02-01
Anticipated expiration: 2031-06-23

Abstract

The utility model belongs to the technical field of river course is administered and specifically relates to a structure is administered in synthesis of river course landslide is related to, and it includes the side slope, and the top of side slope is provided with a plurality of kind plant district, and the bottom of side slope is provided with the back up coat, and the back up coat has outwards laid rubble bed course, grit bed course and the concrete layer that permeates water along the side slope in proper order, has all laid first geotechnological cloth between side slope and rubble bed course and grit bed course. When river water or rainwater scours the bottom of the side slope, a part of the river water is rebounded after impacting the reinforcing layer; the other part of river water sequentially passes through the permeable concrete layer, the sand-stone cushion layer, the first geotextile, the broken stone cushion layer and the first geotextile and then enters the side slope, so that the anti-scouring capability of the bottom of the side slope is improved; when rainwater scours the top of the side slope, the plants in the planting area increase the cohesive force of soil, effectively avoid water and soil loss, and improve the protection capability of the river side slope.

Description

River course landslide prevention comprehensive treatment structure

Technical Field

The application relates to the field of river channel improvement, especially relates to a river channel landslide prevention comprehensive treatment structure.

Background

The two side slopes of the river channel are washed by rainwater and river water for a long time, so that soil landslide or collapse is easy to occur.

The patent with the publication number of CN207672585U discloses a river course slope protection structure, which comprises a net body and building blocks, wherein the net body is spread on the river course slope body, the bottom of each building block is provided with a soldering body which penetrates through the net body and is inserted into the river course slope body, and the outer wall of the soldering body extends out of a plurality of ratchets; the adjacent building blocks are connected through the interlocking mechanisms extending out of the two ends of the adjacent building blocks, the interlocking mechanisms are tenons arranged on the two sides of the end faces of the building blocks, a net body is arranged, the dam is reinforced through the net body, and the net body is provided with the building blocks which are interlocked with each other.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the net body is directly laid on the side slope, when rainwater and river water wash the side slope for many times, the impact force of the rainwater or the river water can take away part of soil on the side slope, so that water and soil loss of the side slope is caused, and the protection capability of the river side slope is poor.

SUMMERY OF THE UTILITY MODEL

In order to improve the protective capacities of river course side slope, this application provides a structure is administered to river course landslide prevention synthesis.

The application provides a river course landslide prevention comprehensive treatment structure adopts following technical scheme:

the utility model provides a river course landslide prevention comprehensive treatment structure, includes the side slope, the top of side slope is provided with a plurality of kind and plants the district, the bottom of side slope is provided with the back up coat, broken stone bed course, grit bed course and the concrete layer that permeates water have outwards been laid in proper order along the side slope to the back up coat, all laid first geotechnological cloth between side slope and broken stone bed course and grit bed course.

By adopting the technical scheme, when the bottom of the side slope is washed by river water or rainwater, the river water is firstly contacted with the permeable concrete layer of the reinforcing layer, and a part of the river water is rebounded after impacting the reinforcing layer; the other part of river water sequentially passes through the permeable concrete layer, the sand-stone cushion layer, the first geotextile, the broken stone cushion layer and the first geotextile and then enters the side slope, so that the anti-scouring capability of the bottom of the side slope is improved; when rainwater scours the top of the side slope, the plants in the planting area increase the cohesive force of soil, effectively avoid water and soil loss, and improve the protection capability of the river side slope.

Optionally, a drain pipe is arranged in the reinforcing layer, a water outlet is formed in the top wall of the pervious concrete layer, one end of the drain pipe is communicated with the gravel cushion layer, and the other end of the drain pipe is communicated with the water outlet.

By adopting the technical scheme, when the river flushes the bottom of the side slope, part of the river enters the gravel cushion layer through the water outlet on the surface of the permeable concrete layer, so that the part of impact force generated when the river impacts the bottom of the side slope is effectively reduced, and the stability of the side slope is improved.

Optionally, one end of the drain pipe close to the gravel cushion layer is provided with a filtering device, the filtering device comprises a second geotextile, a gravel interlayer and a third geotextile, and the filtering device is sequentially provided with the second geotextile, the gravel interlayer and the third geotextile along the direction away from the gravel cushion layer.

Through adopting above-mentioned technical scheme, when the river enters into the drain pipe and flows to the grit bed course, the river passes through third geotechnological cloth, rubble intermediate layer and second geotechnological cloth earlier and reenters the grit bed course in, intercepts the debris in the river, and second geotechnological cloth and third geotechnological cloth can prevent effectively that the grit bed course from entering into the drain pipe simultaneously, prevent effectively that the drain pipe from blockking up.

Optionally, a first soil layer, a gravel filter layer and a second soil layer are sequentially paved at the top of the side slope, a water seepage pipe is arranged in the first soil layer, and the bottom of the water seepage pipe is communicated with the gravel cushion layer.

Through adopting above-mentioned technical scheme, when the rainwash side slope top, the rainwater loops through from first soil horizon, rubble filter bed and second soil horizon, and unnecessary rainwater is collected by the infiltration pipe, then flows into the rubble bed course from the bottom of infiltration pipe, effectively improves the drainage performance in the kind planting district of side slope, effectively avoids planting the soil erosion and water loss in district, has improved the protective capacities on river course side slope.

Optionally, every the periphery in planting district is provided with horizontal frame and vertical frame, first water drainage tank has been seted up to one side that horizontal frame is close to the top of a slope, the second water drainage tank has been seted up to the one end that horizontal frame is close to the side slope, the one end and the first water drainage tank intercommunication, the other end and the infiltration pipe intercommunication of second water drainage tank.

Through adopting above-mentioned technical scheme, plant the unnecessary rainwater in the district and converge the second water drainage tank from the first water drainage tank of horizontal frame in, then in converging the infiltration pipe through the second water drainage tank to from infiltration pipe flow to the rubble bed course, thereby to plant unnecessary rainwater in the district and discharge, improved the drainage performance in planting the district.

Optionally, a filtering member for filtering large impurities in the river water is arranged in the second water drainage groove.

Through adopting above-mentioned technical scheme, when water passes through the second water drainage tank on the horizontal frame, the filtration piece in the second water drainage tank intercepts the great debris of aquatic, has realized the effect of great debris and rainwater separation, has improved the drainage performance in planting the district.

Optionally, be provided with the collecting box in the second water drainage tank, the one end that the side slope was kept away from to horizontal frame is seted up the fixed orifices with second water drainage tank intercommunication, the collecting box is in the fixed orifices along the degree of depth direction sliding connection of fixed block, filter the piece setting on the interior diapire of collecting box.

Through adopting above-mentioned technical scheme, the great debris that the collecting box will not pass through filtering piece are collected, and during the staff cleared up the great debris in the collecting box, promote the collecting box along the depth direction of fixed orifices to clearing up the great debris in the collecting box, effectively preventing that second water drainage tank from blockking up, improved the drainage performance in planting the district.

Optionally, a handle is arranged on the inner side wall of the collecting box.

Through adopting above-mentioned technical scheme, when the staff to the collecting box of taking, the staff can take the collecting box through the handle, and it is convenient to take the collecting box.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when river water or rainwater scours the bottom of the side slope, a part of the river water is rebounded after impacting the reinforcing layer; the other part of river water sequentially passes through the permeable concrete layer, the sand-stone cushion layer, the first geotextile, the broken stone cushion layer and the first geotextile and then enters the side slope, so that the anti-scouring capability of the bottom of the side slope is improved; when rainwater washes the top of the side slope, the plants in the planting area increase the cohesion of the soil, effectively avoid water and soil loss and improve the protection capability of the river side slope;

2. when the river water scours the bottom of the side slope, part of the river water enters the gravel cushion layer through the water outlet on the surface of the permeable concrete layer, so that part of impact force generated when the river water impacts the bottom of the side slope is effectively reduced, and the stability of the side slope is improved;

3. the great debris that the collecting box will not pass through filtering piece are collected, and during the staff cleared up the great debris in the collecting box, promote the collecting box along the depth direction of fixed orifices to clearing up the great debris in the collecting box, effectively preventing that the second water drainage tank from blockking up, improved the drainage performance in planting the district.

Drawings

Fig. 1 is an overall structure schematic diagram of a river landslide prevention comprehensive treatment structure according to an embodiment of the application.

Fig. 2 is a plane sectional view of the comprehensive treatment structure for river landslide prevention according to the embodiment of the application.

Fig. 3 is a partial sectional view of a drain pipe according to an embodiment of the present application.

Fig. 4 is a partial sectional view of a river channel landslide prevention comprehensive treatment structure according to an embodiment of the application.

Fig. 5 is a partially enlarged schematic view of a portion a in fig. 4.

Description of reference numerals: 1. side slope; 2. a planting area; 21. a first soil layer; 22. a gravel filtering layer; 23. a second soil layer; 24. a transverse frame; 241. a first drainage tank; 242. a second water discharge tank; 243. a fixing hole; 25. a vertical frame; 3. a reinforcement layer; 31. a gravel cushion layer; 32. a sandstone cushion layer; 33. a pervious concrete layer; 34. a first geotextile; 35. a water outlet; 4. a drain pipe; 5. a filtration device; 51. a second geotextile; 52. a macadam interlayer; 53. a third geotextile; 6. a water seepage pipe; 7. a filter member; 8. a collection box; 81. a handle.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses river course landslide prevention comprehensive treatment structure. Referring to fig. 1, the river landslide prevention comprehensive treatment structure comprises a side slope 1, wherein a plurality of planting areas 2 are arranged at the top of the side slope 1, plants are planted in the planting areas 2, and a reinforcing layer 3 is arranged at the bottom of the side slope 1. The periphery of each planting area 2 is provided with a transverse frame 24 and a vertical frame 25, and the transverse frame 24 and the vertical frame 25 separate the adjacent planting areas 2.

Referring to fig. 2, a gravel cushion layer 31, a gravel cushion layer 32 and a pervious concrete layer 33 are sequentially paved on the reinforcement layer 3 along the slope 1, and first geotextiles 34 are paved between the slope 1 and the gravel cushion layer 31 and between the gravel cushion layer 31 and the gravel cushion layer 32. When river water or rainwater scours the bottom of the side slope 1, the river water is firstly contacted with the pervious concrete layer 33 of the reinforcing layer 3, and a part of the river water is rebounded after impacting the reinforcing layer 3; the other part of river water sequentially passes through the permeable concrete layer 33, the gravel cushion layer 32, the first geotextile 34, the gravel cushion layer 31 and the first geotextile 34 and then enters the side slope 1, so that the anti-scouring capability of the bottom of the side slope 1 is improved. The first geotextile 34 can effectively prevent soil quality between the side slope 1 and the broken stone cushion layer 31 from mixing or running off, maintain the integral structure of the side slope 1 and increase foundation bearing, and can effectively intercept sundries in river water and improve the stability of the side slope 1.

Referring to fig. 1, 2 and 3, in order to improve the impact resistance of the reinforcing layer 3, a drain pipe 4 is installed in the reinforcing layer 3, a water outlet 35 is opened on the top wall of the pervious concrete layer 33, one end of the drain pipe 4 is communicated with the gravel cushion layer 32, and the other end is communicated with the water outlet 35. When the river water washes the bottom of the side slope 1, part of the river water enters the sandstone cushion layer 32 from the water discharge port 35 on the surface of the permeable concrete layer 33 through the water discharge pipe 4, so that part of impact force generated when the river water impacts the bottom of the side slope 1 is effectively reduced, and the stability of the side slope 1 is improved.

Referring to fig. 2 and 3, a filtering device 5 is arranged at one end of the drain pipe 4 close to the gravel cushion 32, the filtering device 5 comprises a second geotextile 51, a gravel interlayer 52 and a third geotextile 53, the second geotextile 51 and the third geotextile 53 are sequentially installed on the filtering device 5 in the direction away from the gravel cushion 32, and the gravel interlayer 52 is laid between the second geotextile 51 and the third geotextile 53. When river water enters the drain pipe 4 and flows towards the gravel cushion 32, the river water firstly passes through the third geotextile 53, the gravel interlayer 52 and the second geotextile 51 and then enters the gravel cushion 32, impurities in the river water are intercepted, meanwhile, the second geotextile 51 and the third geotextile 53 can effectively prevent the gravel cushion 32 from entering the drain pipe 4, and the drain pipe 4 is effectively prevented from being blocked.

Referring to fig. 2, each planting area 2 is sequentially paved with a first soil layer 21, a gravel filter layer 22 and a second soil layer 23 along the slope 1, a water seepage pipe 6 is installed in the first soil layer 21, and the bottom of the water seepage pipe 6 is communicated with a gravel cushion 31. When 1 top of rain wash side slope, the rainwater loops through from first soil horizon 21, rubble filter bed 22 and second soil horizon 23, and unnecessary rainwater is collected by infiltration pipe 6, then flows into rubble bed course 31 from the bottom of infiltration pipe 6, effectively improves the drainage performance in planting district 2 of side slope 1, effectively avoids planting the soil erosion and water loss in district 2, has improved river course side slope 1's protective capacities.

Referring to fig. 5, a first drainage groove 241 is formed in one side of the transverse frame 24 close to the top of the slope, a second drainage groove 242 is formed in one end of the transverse frame 24 close to the side slope 1, one end of the second drainage groove 242 is communicated with the first drainage groove 241, and the other end is communicated with the water seepage pipe 6. The collecting box 8 is installed in the second drainage groove 242, and the collecting box 8 is a hollow shell with an open top and a hole at the bottom. The end of the transverse frame 24 away from the slope 1 is provided with a fixing hole 243 communicated with the second drainage groove 242, and in order to improve the sealing performance of the transverse frame 24, a sealing plate for sealing the fixing hole 243 may be hinged to the top wall of the transverse frame 24. Collecting box 8 is along the degree of depth direction sliding connection of fixed block in fixed orifices 243, and the filter piece 7 is installed on the bottom wall in collecting box 8, and in this embodiment, filter piece 7 is the rubble, installs geotechnological cloth at the diapire of collecting box 8, and the rubble is laid on geotechnological cloth, then installs geotechnological cloth again at the top of rubble. Collecting box 8 will not collect through the great debris that filter 7, and during the staff cleared up the great debris in the collecting box 8, promote collecting box 8 along the depth direction of fixed orifices 243 to clearing up the great debris in the collecting box 8, effectively preventing that second water drainage tank 242 from blockking up, improved the drainage performance of planting district 2.

In other embodiments, the filtering elements 7 can also be cobblestones, which are laid on the inner bottom wall of the collecting box 8.

Referring to fig. 5, in order to make things convenient for the staff to clear up collecting box 8, the welding has handle 81 on the inside wall of collecting box 8, and the staff can take collecting box 8 through handle 81, and it is convenient to take collecting box 8.

The implementation principle of the river channel landslide prevention comprehensive treatment structure in the embodiment of the application is as follows: when river water or rainwater scours the bottom of the side slope 1, the river water contacts the pervious concrete layer 33, and a part of the river water is rebounded after impacting the reinforcing layer 3; the other part of river water sequentially passes through the permeable concrete layer 33, the gravel cushion layer 32, the first geotextile 34, the gravel cushion layer 31 and the first geotextile 34 and then enters the side slope 1, so that the anti-scouring capability of the bottom of the side slope 1 is improved; when the rainwater scours the top of the side slope 1, the plants in the planting area 2 increase the cohesive force of the soil, effectively avoid water and soil loss, and improve the protection capability of the river side slope 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a structure is administered in synthesis of river course landslide prevention, includes side slope (1), its characterized in that: the top of side slope (1) is provided with a plurality of planting district (2), the bottom of side slope (1) is provided with back up coat (3), rubble bed course (31), grit bed course (32) and permeable concrete layer (33) have been laid along side slope (1) outwards in proper order in back up coat (3), all laid first geotechnological cloth (34) between side slope (1) and rubble bed course (31) and grit bed course (32).

2. The river landslide prevention comprehensive treatment structure according to claim 1, wherein: the water drainage pipe (4) is arranged in the reinforcing layer (3), a water outlet (35) is formed in the top wall of the pervious concrete layer (33), one end of the water drainage pipe (4) is communicated with the gravel cushion layer (32), and the other end of the water drainage pipe is communicated with the water outlet (35).

3. The river landslide prevention comprehensive treatment structure according to claim 2, wherein: one end of the drain pipe (4) close to the gravel cushion layer (32) is provided with a filtering device (5), the filtering device (5) comprises a second geotextile (51), a gravel interlayer (52) and a third geotextile (53), and the filtering device (5) is sequentially provided with the second geotextile (51), the gravel interlayer (52) and the third geotextile (53) along the direction away from the gravel cushion layer (32).

4. The river landslide prevention comprehensive treatment structure according to claim 1, wherein: the top of side slope (1) has laid first soil horizon (21), rubble filtering layer (22) and second soil horizon (23) in proper order, be provided with infiltration pipe (6) in first soil horizon (21), the bottom and the rubble bed course (31) intercommunication of infiltration pipe (6).

5. The river landslide prevention comprehensive treatment structure according to claim 1, wherein: every the periphery in planting district (2) is provided with horizontal frame (24) and vertical frame (25), first water drainage tank (241) have been seted up to one side that horizontal frame (24) are close to the top of a slope, second water drainage tank (242) have been seted up to one end that horizontal frame (24) are close to side slope (1), the one end and the first water drainage tank (241) intercommunication, the other end and infiltration pipe (6) intercommunication of second water drainage tank (242).

6. The river landslide prevention comprehensive treatment structure according to claim 5, wherein: and a filtering piece (7) for filtering large impurities in river water is arranged in the second water drainage groove (242).

7. The river landslide prevention comprehensive treatment structure according to claim 6, wherein: be provided with collecting box (8) in second water drainage tank (242), fixed orifices (243) with second water drainage tank (242) intercommunication are seted up to the one end that side slope (1) was kept away from in horizontal frame (24), collecting box (8) are along the degree of depth direction sliding connection of fixed block in fixed orifices (243), filter piece (7) and set up on the interior diapire of collecting box (8).

8. The river landslide prevention comprehensive treatment structure according to claim 7, wherein: the inner side wall of the collecting box (8) is provided with a handle (81).