CN210151759U

CN210151759U - Domatic protection roadbed structure

Info

Publication number: CN210151759U
Application number: CN201920823514.5U
Authority: CN
Inventors: 程子航
Original assignee: Tianjin Hongye Construction Group Co ltd
Current assignee: Tianjin Hongye Construction Group Co ltd
Priority date: 2019-06-01
Filing date: 2019-06-01
Publication date: 2020-03-17
Anticipated expiration: 2029-06-01

Abstract

The utility model relates to a domatic protection roadbed structure belongs to domatic protection's technical field, and it includes the side slope, from the domatic orientation of beginning of road bed and keeping away from the road bed gradually, the side slope includes stone layer, water barrier, slope basic unit and surface protection layer, is provided with the drain pipe in the side slope, and the water barrier is passed to the one end of drain pipe, and the other end stretches out the fixed surface layer, the utility model discloses better effect that keeps the domatic stability of road bed has.

Description

Domatic protection roadbed structure

Technical Field

The utility model belongs to the technical field of the technique of domatic protection and specifically relates to a domatic protection roadbed structure is related to.

Background

In engineering, a roadbed slope built by rock soil is directly exposed in the atmosphere and is influenced by natural factors for a long time, and the physical and chemical properties of the rock soil are changed under the action of water temperature, so slope protection is needed to be arranged, the slope protection mainly protects the roadbed slope from rainwater erosion, slows down the influence of temperature difference and humidity change, prevents and delays the evolution processes of weathering, cracking, denudation and the like of the surface of soft rock soil, and further protects the overall stability of the roadbed slope.

The prior Chinese patent with the reference publication number of CN208363109U discloses a slope protection device for a roadbed, which comprises a precast block, a water flow baffle and a water flow channel; each prefabricated block is connected together through cement mortar to form a whole; every the top both sides of prefabricated section all respectively are equipped with a rivers baffle, and the inside planting of every prefabricated section has the vegetation. The setting of rivers baffle and leading water pipe, can keep off most rivers from the rivers resistance that flows down on the road surface, make most rivers flow to among the rivers passageway, can reduce the velocity of flow, it erodees the soil body in the prefabricated section to block rivers, prevent effectively that the inside soil body of side slope from being eroded by the rainwater, cause side slope soil body landslide, it is too big when the natural rainfall, the rainwater is when gathering together too much in the prefabricated section, leading water pipe can discharge the rainwater among the rivers passageway, prevent to produce ponding in the prefabricated section, lead to the inside vegetation of prefabricated section to overwater and die, can't provide guard action to the side slope.

The above prior art solutions have the following drawbacks: rainwater falling into the prefabricated blocks can permeate into the side slopes, and then rainwater in the side slopes can permeate into the slope surfaces of the roadbed, so that more water can permeate into the roadbed to corrode the slope surfaces of the roadbed, and the stability of the slope surfaces of the roadbed is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a better domatic protection roadbed structure who keeps the domatic stability of road bed.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a domatic protection roadbed structure, includes the side slope, from the domatic orientation of beginning of road bed and keeping away from the domatic of road bed gradually, the side slope includes stone layer, water barrier, slope basic unit and surface protection layer, is provided with the drain pipe in the side slope, and the water barrier is passed to the one end of drain pipe, and the other end stretches out the fixed surface layer.

By adopting the technical scheme, the stone sub-layer has a filtering effect on water permeating into the side slope in the roadbed, so that excessive loss of silt in the roadbed is prevented, and the water drainage pipe is prevented from being blocked by the silt; the water-resisting layer plays a role in resisting water, so that water in the side slope cannot penetrate through the water-resisting layer to permeate into the roadbed, the erosion of water to the roadbed is reduced, the stability of the roadbed is protected, one end of the drainage pipe penetrates through the water layer, the fact that the water in the roadbed is not blocked by the water-resisting layer is guaranteed, and the water in the roadbed can be discharged through the drainage pipe; the surface protection layer protects the surface of the side slope, so that the slope base layer cannot be directly washed away by rainwater, and the stability of the side slope is favorably maintained, thereby ensuring that the side slope can stably protect the slope surface of the roadbed and achieving the purpose of better keeping the stability of the slope surface of the roadbed.

The utility model discloses further set up to: the drain pipe sets up downwards along keeping away from the domatic direction slope of road bed, has seted up the infiltration hole on the drain pipe.

By adopting the technical scheme, the water infiltrated into the roadbed can directly flow out of the side slope along the inclination angle after entering the drainage pipe, so that the water in the roadbed can be conveniently discharged; meanwhile, when the water content permeated into the side slope is more, the water content permeated into the side slope can slowly permeate into the drain pipe from the water seepage holes and then be discharged along the drain pipe, so that the side slope is less corroded, and the stability of the side slope on protecting the roadbed is facilitated; and the slope of drain pipe has guaranteed that the water of infiltration drain pipe can not flow into the road bed in the side slope.

The utility model discloses further set up to: and the diameter of the water seepage hole is gradually reduced outwards along the straight line of the drain pipe.

Through adopting above-mentioned technical scheme, when the infiltration of moisture in the side slope from the infiltration hole, if smuggle earth secretly, earth removes along the direction that the aperture in infiltration hole gradually becomes big gradually in the infiltration hole, makes the infiltration hole be difficult for blockking up.

The utility model discloses further set up to: the surface protection layer comprises an anti-impact net and a prefabricated block layer, and the anti-impact net is located below the prefabricated block layer.

Through adopting above-mentioned technical scheme, the scour protection net plays the guard action to the surface of slope basic unit, and when making the slope basic unit receive the erode, the scour protection net plays fixed action to its surperficial soil, makes the difficult directness of soil washed away, is favorable to keeping the stability of side slope.

The utility model discloses further set up to: the side slope is embedded with fixing columns, and the fixing columns vertically downwards penetrate into the ground from the lower side of the anti-impact net.

Through adopting above-mentioned technical scheme, the fixed column has played the fixed action to the side slope, because the fixed column inserts deeply in the below ground, fixed column self is comparatively stable, is difficult for producing slope and removal, and when the side slope was erodeed by the rainwater, the fixed column when the directional direction of keeping away from the road bed removed, can be blockked by the fixed column to be favorable to avoiding the landslide of side slope.

The utility model discloses further set up to: the fixed column is a fixed column of a reinforced concrete structure.

Through adopting above-mentioned technical scheme, make fixed the housing have stronger intensity, guaranteed the better fixed action of fixed column to the side slope.

The utility model discloses further set up to: the precast block layer comprises a plurality of precast concrete blocks, the precast concrete blocks are in the shape of a regular polygon frame, and a retaining ring is fixedly connected to the surface of one side of each precast concrete block.

By adopting the technical scheme, the retaining ring can retain most of water flowing down from the road surface, so that the water flows down from the two sides of the retaining ring, the water flow is prevented from scouring the soil body in the precast concrete block, the soil body of the slope base layer is effectively prevented from being eroded by rainwater, and the slope soil body is prevented from sliding.

The utility model discloses further set up to: and a notch is formed in the lower part of the baffle ring along the downward direction of the slope direction of the side slope.

Through adopting above-mentioned technical scheme, during the rainy, the rainwater falls to and keeps off inside the ring, makes and to keep off and can save a small amount of rainwater in the ring, is favorable to keeping off the growth of intra-annular vegetation, and when the rainwater was more, the rainwater flowed along the breach, prevented to keep off the ring interior and save too much rainwater, permeates the inside of side slope, causes the soil body to sink, also can prevent that the vegetation from dying by waterlogging.

To sum up, the utility model discloses a beneficial technological effect does:

1. by arranging the stone layer, the water-resisting layer and the drain pipe, the erosion of water to the roadbed is reduced, and the stability of the roadbed is protected;

2. by arranging the drain pipes to be inclined and arranging the water seepage holes on the drain pipes, the water in the roadbed can be discharged conveniently, the stability of the side slope for protecting the roadbed is facilitated, and the water seeped into the drain pipes in the side slope cannot flow into the roadbed;

3. outwards along the straight line of drain pipe through setting up, the aperture in infiltration hole diminishes gradually, makes the infiltration hole be difficult for blockking up.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;

FIG. 3 is a cross-sectional view of the drain pipe of the present invention;

fig. 4 is a cross-sectional view at the fixing column of the present invention;

fig. 5 is a sectional view of the drain pipe.

In the figure, 1, a side slope; 11. a stone layer; 12. a water barrier layer; 13. a slope base layer; 2. a surface protective layer; 21. an anti-scour net; 22. prefabricating a block layer; 221. prefabricating a concrete block; 222. a baffle ring; 223. a notch; 3. a drain pipe; 31. a water seepage hole; 4. fixing a column; 5. and (7) roadbed.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a domatic protection roadbed structure, including side slope 1, from 5 domatic beginning of road bed and keep away from 5 domatic directions of road bed gradually on, side slope 1 includes stone layer 11, water barrier 12, slope base 13 and surface protection layer 2, and water barrier 12 is the water barrier 12 of three way ethylene rubber waterproofing membrane material, is provided with drain pipe 3 in the side slope 1, and water barrier 12 is passed to drain pipe 3's one end, and the other end stretches out the fixed surface layer. The water barrier layer 12 plays a role in blocking water permeation, water in the side slope 1 is prevented from permeating the roadbed 5, the water in the roadbed 5 can be filtered through the stone layer 11, then enters the drain pipe 3 from the end part of the drain pipe 3 and is discharged, the water in the roadbed 5 is discharged, the erosion of the water to the roadbed 5 is reduced, and the stability of the roadbed 5 is protected

Referring to fig. 2 and 5, the drainage pipe 3 is obliquely arranged downwards along the direction away from the slope surface of the roadbed 5, a plurality of water seepage holes 31 are formed in the drainage pipe 3, and the diameter of each water seepage hole 31 is gradually reduced outwards along the straight line of the drainage pipe 3. Moisture in the road bed 5 can follow the tip entering drain pipe 3 of drain pipe 3, then discharge along the drain pipe 3 of slope, and simultaneously, the moisture that is infiltrated in the side slope 1 can follow infiltration hole 31 entering drain pipe 3, then discharges from drain pipe 3, is favorable to the discharge of moisture in road bed 5 and the side slope 1, has reduced the erosion of water to road bed 5, is favorable to protecting the stability of road bed 5.

Referring to fig. 1 and 2, the surface protection layer 2 includes an anti-erosion net 21 and a prefabricated block layer 22, the anti-erosion net 21 is located below the prefabricated block layer 22, the anti-erosion net 21 is made of nylon, the nylon is high in toughness and wear-resistant, so that the anti-erosion net 21 is not easy to damage, the prefabricated block layer 22 includes a plurality of prefabricated concrete blocks 221, the prefabricated concrete blocks 221 are connected together through cement mortar, the prefabricated concrete blocks 221 are in the shape of a regular polygonal frame, soil capable of planting plants is paved in the middle of the prefabricated concrete blocks 221, plants are planted in the middle of the prefabricated concrete blocks 221, the thickness of the soil in the middle of the prefabricated concrete blocks 221 is thinner, along with growth, root systems of the plants penetrate through the anti-erosion net 21 and extend into the slope base layer 13, so that the soil in the middle of the prefabricated concrete blocks 221 and the soil on the surface of the slope base layer 13 are firmly grabbed by the plant root systems, and the soil of the slope base layer 13 is also fixed, when the rainwater pipe is washed, soil is not easy to be taken away by rainwater; the surface of one side of the precast concrete block 221 is fixedly connected with a baffle ring 222, the baffle ring 222 is a polygonal frame in the shape of the precast concrete block 221, the inner length of the baffle ring 222 is the same as that of the precast concrete block 221, the outer length of the baffle ring 222 is smaller than that of the precast concrete block 221, and a notch 223 is formed in the lower portion of the baffle ring 222 in the downward direction along the inclination direction of the slope 1.

Referring to fig. 4, the side slope 1 is embedded with a fixing column 4, the fixing column 4 vertically goes deep into the ground downwards from the lower part of the anti-impact net 21, and the fixing column 4 is the fixing column 4 of the reinforced concrete structure.

The implementation principle of the embodiment is as follows: moisture from road surface infiltration road bed 5 can follow drain pipe 3's tip infiltration drain pipe 3, then discharge downwards along drain pipe 3 slope, simultaneously when the moisture in side slope 1 is more, moisture in side slope 1 permeates drain pipe 3 from infiltration hole 31, simultaneously water barrier 12 has avoided the moisture in side slope 1 to permeate in road bed 5, then the moisture that gets into drain pipe 3 from infiltration hole 31 also flows along drain pipe 3, it is comparatively convenient to make the discharge of moisture in road bed 5 and side slope 1, the erosion of water to road bed 5 has been reduced, be favorable to protecting road bed 5's stability.

When raining, the rainwater that flows down on the road surface is blocked by the baffle ring 222, then flow downwards from the both sides of baffle ring 222 and break away from side slope 1, the great rivers that have avoided flowing down on the road surface carry out direct washing to the earth in the precast concrete piece 221, the rainwater that directly falls to the baffle ring 222 middle part can be gathered a small amount in baffle ring 222, reach the height of breach 223 up to the water level of rainwater, the rainwater flows from breach 223, prevent to catch the interior too much rainwater of gathering of ring 222, permeate the inside of side slope 1, cause the soil body to collapse, prevent simultaneously that the vegetation from waterlogging.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a domatic protection roadbed structure which characterized in that: including side slope (1), on the domatic direction of road bed (5) just keeping away from gradually road bed (5) from domatic beginning of road bed (5), side slope (1) is provided with drain pipe (3) including stone layer (11), water barrier (12), slope base layer (13) and surface protection layer (2) in side slope (1), and water barrier (12) are passed to the one end of drain pipe (3), and the surface mounting layer is stretched out to the other end.

2. The slope protection roadbed structure of claim 1, wherein: the drainage pipe (3) is obliquely and downwards arranged along the direction far away from the slope surface of the roadbed (5), and a water seepage hole (31) is formed in the drainage pipe (3).

3. The slope protection roadbed structure of claim 2, wherein: and the diameter of the water seepage hole (31) is gradually reduced outwards along the straight line of the drain pipe (3).

4. The slope protection roadbed structure of claim 1, wherein: the surface protection layer (2) comprises an anti-impact net (21) and a prefabricated block layer (22), and the anti-impact net (21) is located below the prefabricated block layer (22).

5. The slope protection roadbed structure of claim 1, wherein: the side slope (1) is embedded with fixing columns (4), and the fixing columns (4) vertically downwards go deep into the ground from the lower side of the anti-impact net (21).

6. The slope protection roadbed structure of claim 5, wherein: the fixing column (4) is a fixing column (4) of a reinforced concrete structure.

7. The slope protection roadbed structure of claim 4, wherein: the precast block layer (22) comprises a plurality of precast concrete blocks (221), the precast concrete blocks (221) are in the shape of a regular polygonal frame, and one side surface of each precast concrete block (221) is fixedly connected with a retaining ring (222).

8. The slope protection roadbed structure of claim 7, wherein: and a notch (223) is formed at the lower part of the baffle ring (222) along the downward direction of the inclined direction of the side slope (1).