CN213389570U

CN213389570U - Firm structure of abrupt slope road

Info

Publication number: CN213389570U
Application number: CN202022150135.XU
Authority: CN
Inventors: 唐庆霖; 郑敬英; 王骁枭
Original assignee: Fujian Tunuo Construction Engineering Co ltd
Current assignee: Fujian Tunuo Construction Engineering Co ltd
Priority date: 2020-09-26
Filing date: 2020-09-26
Publication date: 2021-06-08
Anticipated expiration: 2030-09-26

Abstract

The utility model relates to a abrupt slope road's stable structure, the technical field who relates to road structure, abrupt slope wall including one side, and the road surface course that from top to bottom sets gradually, the metalling, lime soil rammer soil layer and plain soil rammer layer, metalling and lime soil rammer soil interlamination are provided with the manger plate, one side that the road surface course is close to abrupt slope wall is provided with the second escape canal, the first gutter in one side of abrupt slope wall is kept away from to the road surface course, fixedly connected with supports the bank protection on the abrupt slope wall, rubble layer bottom evenly is provided with the drain pipe along road surface course length extending direction, the drain pipe is provided with the inlet opening on the surface, drain pipe one end is worn out on the surface that abrupt slope wall was kept away from. The application provides a steep slope road's firm structure can make steep slope road be difficult for because the infiltration of rivers leads to the underneath filler of road to run off from the steep slope end and arouse the collapse or subside.

Description

Firm structure of abrupt slope road

Technical Field

The application relates to the field of road structures, in particular to a stable structure of a steep slope road.

Background

At present, most of roads in mountain areas are roads with one side close to the mountain wall and the other side being a steep slope inclining downwards, such as a mountain-surrounding road.

Referring to fig. 5, the common steep slope road with a steep slope on one side far from the mountain wall comprises a road surface layer 1, a gravel layer 2 below the road surface layer 1, an ash rammed soil layer 3 below the gravel layer 2 and a plain soil rammed soil layer 4 below the ash rammed soil layer 3; the road both sides are provided with the curb 18, and the curb 18 below also is plain soil tamp layer 5, supports road surface layer 1 through piling up of each road layer for the vehicle is current.

For the steep slope road in the above-described related art, there are the following drawbacks: when rainfall is high, water flow can penetrate downwards, so that water and soil can be lost towards a steep slope under the action of the water flow of the rammed earth layer 5, a cavity is formed, fillers in the underground road can be lost outwards, and collapse or pavement settlement can be caused finally.

SUMMERY OF THE UTILITY MODEL

In order to make the steep slope road be difficult for because the infiltration of rivers leads to the filler under the road to run off towards the steep slope direction and arouse landslide or subside, this application provides a stable structure of steep slope road.

The application provides a pair of abrupt slope road's firm structure adopts following technical scheme:

the utility model provides a firm structure of abrupt slope road, includes the steep slope wall of one side, and road surface course, metalling, grey soil rammer soil layer and the plain soil tamped layer that from top to bottom set gradually, be provided with the manger plate layer between metalling and the grey soil rammer soil layer, one side that the road surface course is close to the steep slope wall is provided with the second escape canal, and the road surface course is kept away from the first gutter in one side of steep slope wall, fixedly connected with supports the bank protection on the steep slope wall, metalling bottom evenly is provided with the drain pipe along road surface course length extending direction, and the drain pipe is provided with the inlet opening on the surface, and drain pipe one end is kept away from supporting the bank protection the steep slope wall wear out.

By adopting the technical scheme, the steep slope wall is connected with the supporting slope protection to reduce the outward loss of the filler from the upper side of the steep slope wall, and the first drainage ditch and the second drainage hook are arranged on the two sides of the road surface layer, so that most of rainfall can be guided away to reduce the downward seepage of water flow; be provided with the manger plate layer between rubble layer and the lime soil ramming soil layer, reduce continuation infiltration of rivers, because be provided with the drain pipe on the rubble layer, be provided with the inlet opening on the drain pipe, gather the water on the rubble layer and pass through the drain pipe and discharge outside the slope protection from supporting to the realization is difficult for taking away the stopping from the abrupt slope wall because of the precipitation of infiltration and causes collapse and subside.

Preferably, drain pipe one end is closed and with first gutter base fixed connection, the opposite side of first gutter is kept away from to the drain pipe and support bank protection fixed connection.

Through adopting above-mentioned technical scheme, drain pipe one end is fixed at first gutter base, and the opposite side is fixed with the support bank protection, supports when bank protection and stopping have the tendency that removes to steep cliff one side, can provide pulling force through the drain pipe for it is difficult to remove to steep cliff one side to support bank protection and stopping.

Preferably, the drainage pipe is inclined downward toward the direction of the support slope protection.

Through adopting above-mentioned technical scheme, because the drain pipe sets up downwards towards the direction slope that supports the bank protection for rivers can discharge along the outer opening of drain pipe follow support bank protection through gravity.

Preferably, a water retaining layer is arranged between the supporting slope protection block and the steep slope wall.

Through adopting above-mentioned technical scheme, also be provided with the water retaining layer between supporting slope protection piece and steep wall for moisture is difficult to permeate in to the steep wall from supporting the bank protection, and ponding on rubble layer is also difficult along supporting

The gap between the slope protection and the steep slope wall is penetrated downwards into the lower soil ramming earth layer and the lower plain soil ramming layer.

Preferably, one side that supports the bank protection towards the manger plate layer is provided with protruding edge, be provided with the spread groove that supplies protruding edge grafting on the plain soil tamp layer, protruding edge top is along protruding even setting along length direction. The water outlet pore passage is arranged downwards and slantways towards one side far away from the water retaining layer.

Through adopting above-mentioned technical scheme, support bank protection and abrupt slope wall interval rivers gathering along protruding along department of following on by the moisture or the rubble layer that support the infiltration of bank protection upper segment, discharge through the water outlet pore of slope.

Preferably, the convex edge is disposed obliquely upward toward the steep slope wall.

Through adopting above-mentioned technical scheme for along supporting bank protection and abrupt slope wall interval rivers that flow down more easily along protruding along the top gathering, conveniently discharge through water outlet channel.

Preferably, support the bank protection and keep away from one side of road surface layer, evenly be provided with along road surface layer length extending direction and be used for the slip casting stock on connection support bank protection and plain soil tamp layer.

Through adopting above-mentioned technical scheme, the slip casting stock that the setting is used for joint support bank protection and plain soil tamp layer consolidates support bank protection and plain soil tamp layer, reduces the loss of stopping.

Preferably, one side of the first drainage ditch far away from the support slope protection is provided with a retaining wall.

By adopting the technical scheme, the other end of the steep slope road leans against the mountain, and the retaining wall is used to ensure that the hillside soil foundation is not easy to push and press towards one side of the steep slope road to influence the movement of road fillers.

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

1. the supporting slope protection is arranged to reduce the loss of the filling material from one side of the steep slope wall; the first drainage ditch and the second drainage ditch can lead away most of rainfall to reduce infiltration; the water retaining layer can retain the downward-seeping water flow on the rubble layer and discharge the downward-seeping water flow towards the outer wall of the support slope protection through the water discharge pipe, so that the possibility that the downward-seeping water takes away the filler is reduced, and collapse or settlement is not easily caused;

2. the water permeation from one side of the supporting protection slope is reduced through the water retaining layer arranged between the supporting protection slope and the steep slope wall, and the accumulated water on the rubble layer seeps downwards through the gap between the steep slope wall and the supporting protection slope;

3. the connection of support bank protection and steep wall is strengthened through setting up the reinforcement stock.

Drawings

FIG. 1 is a schematic cross-sectional view of an embodiment of the present application;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is an enlarged view at B in FIG. 1;

FIG. 4 is an enlarged view at C of FIG. 1;

fig. 5 is a schematic sectional view of a steep slope road of the related art.

Description of reference numerals: 1. a road surface layer; 2. a crushed stone layer; 3. a water retaining layer; 4. compacting the soil layer with lime soil; 5. a plain soil ramming layer; 6. a first drain ditch; 7. a second drain ditch; 8. a water inlet hole; 9. a drain pipe; 10. a retaining wall; 11. supporting the slope protection; 12. a convex edge; 13. a steep wall; 14. grouting an anchor rod; 15. a water outlet channel; 16. a concrete layer; 17. connecting grooves; 18. a road shoulder; 19. a drill bit; 20. a hollow screw; 21. abutting against the board.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses abrupt slope road's firm structure.

Example (b):

referring to fig. 1, abrupt slope road's firm structure includes abrupt cliff 13 of one side, and the road surface course 1 that from top to bottom sets gradually, rubble layer 2, water retaining layer 3, lime soil tamp layer 4 and plain soil tamp layer 5, road surface course 1 one side is provided with concrete placement, carry out the first gutter 6 that extends along 1 length extending direction of road surface course, the opposite side is provided with concrete placement, carry out the second escape canal 7 that extends along 1 length extending direction of road surface course, drain away partial precipitation through first escape canal 6 and second escape canal 7, reduce the water yield of infiltration.

Referring to fig. 1, one side that road surface layer 1 was kept away from to first gutter 6 is connected with retaining wall 10, fixedly connected with supports bank protection 11 on the abrupt slope wall 13, retaining wall 10 can play the soil foundation gliding that blocks the hillside of road one side and cause the influence to the road, support bank protection 11 and form for concrete placement, reduce the stopping material that includes filling layers such as rubble layer 2, grey soil rammed earth layer 4 and plain soil tamped layer 5 of road below through supporting bank protection 11 and run off from abrupt slope wall 13 one side, thereby reduce the collapse, the possibility of occurence of failure such as subside.

Referring to fig. 1 and 2, the water retaining layer 3 can accumulate most of the downward-permeated water in the gravel layer 2, the water discharging pipes 9 are uniformly arranged above the water retaining layer 3 along the extending direction of the road, the water discharging pipes 9 are slightly inclined downwards towards one side close to the steep slope wall 13, the water inlet holes 8 are uniformly distributed on the surface of the water discharging pipes 9, and the water retained on the gravel layer 2 by the water retaining layer 3 is discharged through the water discharging pipes 9 through the water inlet holes 8.

Referring to fig. 2 and 3, drain pipe 9 one end is closed and with 6 base pouring fixed connection of first gutter, 9 opposite sides of drain pipe with support bank protection 11 pouring fixed connection, the one end that first gutter 6 was kept away from to drain pipe 9 is equipped with the delivery port and wears out and support bank protection 11, can be used for the drainage.

Referring to fig. 1 and 4, support and also be connected with water retaining layer 3 between bank protection 11 and the steep cliff 13, can reduce the moisture that permeates from supporting bank protection 11 through water retaining layer 3 and get into the filling layer, and the ponding on the metalling 2 is if from supporting the gap infiltration between bank protection 11 and water retaining layer 3 also difficult entering the filling layer of below. Support slope protection 11 and keep away from one side of road surface layer 1, towards steep wall 13 integrative being provided with protruding edge 12 on the surface, protruding edge 12 is towards keeping away from one side tilt up that supports slope protection 11, be provided with on the steep wall 13 and be used for with protruding spread groove 17 along 12 joints, when supporting slope protection 11 pouring, concrete is filled spread groove 17 and is formed protruding edge 12 and with spread groove 17 fixed connection, play reinforced (rfd) effect, support slope protection 11 and offer towards keeping away from the decurrent outlet channel 15 of 13 one side slopes of steep wall in protruding edge 12 top. When by the moisture that supports the bank protection 11 infiltration and from supporting the rivers of the clearance infiltration between bank protection 11 and water retaining layer 3 through protruding along 12 aggregations through water outlet pore 15 discharges, reduce the moisture that gets into the packing layer below.

Referring to fig. 1 and 4, a grouting anchor rod 14 for connecting the support revetment 11 and the soil compacting layer 5 is penetratingly disposed at a lower side of the support revetment 11 away from the surface of the road surface layer 1, the grouting anchor rod 14 includes a drill bit 19 at a front end and a hollow screw rod 20, a through hole and an opening disposed on a side wall and communicating with the through hole are disposed at a middle portion of the hollow screw rod 20, a diameter of the drill bit 19 is greater than a diameter of the hollow screw rod 20, by pouring concrete into the middle of the slip casting anchor 14 so that the concrete expands outwardly in the rammed earth layer 5 through the hollow screw 20, when the concrete sets, the hollow screw 20 surrounds a layer of concrete 16 on the outside, can play a better role in reinforcing the support slope protection 11 and the soil compacting layer 5, the grouting anchor rod 14 is screwed with a butt joint plate 21 at one side of the support slope protection 11, the support slope protection 11 can be abutted by rotating the abutting plate 21, or the support slope protection 11 can be abutted by keeping away from one side screw nut of the support slope protection 11 at the abutting plate 21.

The implementation principle of the stable framework of the steep slope road in the embodiment of the application is as follows: after heavy rainfall, the rainwater falls on the road surface layer 1, part of the water flow is discharged along the first drainage ditch 6 and the second drainage ditch 7, and part of the water flow permeates downwards, and after reaching the water retaining layer 3, the water flow is not easy to permeate downwards and stays on the gravel layer 2, enters the drainage pipe 9 through the water inlet hole 8, and flows out of an opening of the drainage pipe 9 positioned on the outer side of the support revetment 11 along the drainage pipe 9; if partial rainwater beat when the rainwater is great on supporting bank protection 11 and permeate into, block moisture through setting up 13 and the water retaining layer 3 that supports on the bank protection 11 at steep wall, rivers block the back at protruding edge 12 and discharge through outlet channel 15.

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 steep slope road's firm structure, includes steep cliff (13) of one side, and road surface layer (1), metalling (2), grey soil rammed earth layer (4) and plain soil rammed earth layer (5) that set gradually from top to bottom, its characterized in that: be provided with water retaining layer (3) between metalling (2) and grey soil rammed earth layer (4), one side that road surface layer (1) is close to steep wall (13) is provided with second escape canal (7), and road surface layer (1) is kept away from the first ditch (6) of one side of steep wall (13), fixedly connected with supports bank protection (11) on steep wall (13), metalling (2) bottom evenly is provided with drain pipe (9) along road surface layer (1) length extending direction, and drain pipe (9) are provided with inlet opening (8) on the surface, and drain pipe (9) one end is kept away from supporting bank protection (11) wear out on the surface of steep wall (13).

2. A stabilized structure of a steep slope road according to claim 1, wherein: drain pipe (9) one end is closed and with first gutter (6) base fixed connection, the opposite side of first gutter (6) is kept away from in drain pipe (9) and support bank protection (11) fixed connection.

3. A stabilized structure of a steep slope road according to claim 2, wherein: the drain pipe (9) is arranged downwards towards the direction of the support slope protection (11) in an inclined mode.

4. A stabilized structure of a steep slope road according to claim 1, wherein: a water retaining layer (3) is arranged between the support protection slope (11) and the steep slope wall (13).

5. A stabilized structure of a steep slope road according to claim 4, wherein: support bank protection (11) and be provided with protruding edge (12) towards one side of manger plate layer (3), be provided with on plain soil tamp layer (5) and supply protruding spread groove (17) of pegging graft along (12), protruding edge (12) top is followed protruding edge (12) length direction and is evenly provided with water outlet channel (15), and water outlet channel (15) set up downwards towards the lopsidedness of keeping away from manger plate layer (3).

6. A stabilized structure of a steep slope road according to claim 5, wherein: the convex edge (12) is arranged obliquely upwards towards the steep wall (13).

7. A stabilized structure of a steep slope road according to claim 1, wherein: support slope protection (11) and keep away from one side of road surface layer (1), evenly be provided with slip casting stock (14) that are used for connection support slope protection (11) and native tamping layer (5) along road surface layer (1) length extending direction.

8. A stabilized structure of a steep slope road according to claim 1, wherein: one side that support bank protection (11) was kept away from in first gutter (6) is provided with retaining wall (10).