CN216404946U - Waterproof roadbed structure - Google Patents

Abstract

The application discloses waterproof roadbed structure, including plain soil layer, first metalling, second metalling and concrete placement layer, first metalling sets up in plain soil layer top, the second metalling sets up in first metalling top, the concrete placement layer sets up on second metalling, still includes surrounding layer and inline, the surrounding layer centers on first metalling, second metalling and concrete placement layer set up, and first metalling, second metalling and concrete placement layer all paste tightly the surrounding layer, inline have many, the pipe wall slope of inline sets up, and the pipe wall of inline is located concrete placement layer and surrounding layer in, two mouths of pipe of inline are located concrete placement layer department and surrounding layer department respectively.

Description

Waterproof roadbed structure

Technical Field

The utility model relates to the field of roads and bridges, in particular to a waterproof roadbed structure.

Background

In order to prevent water accumulation on the road surface, permeable asphalt is paved on the road bed of many roads at present, the water accumulation on the road surface can be ensured to be timely infiltrated by the water permeability of the permeable asphalt, the water accumulation on the road surface can be ensured not to occur, but the road bed (the cement pouring layer is arranged at the top of the road bed) has no water drainage and water permeability, so when the rainfall is large, the road bed still has the water soaking phenomenon,

SUMMERY OF THE UTILITY MODEL

The utility model provides a waterproof roadbed structure aiming at the problems.

The technical scheme adopted by the utility model is as follows:

the utility model provides a waterproof roadbed structure, includes plain soil layer, first metalling, second metalling and concrete placement layer, first metalling sets up in plain soil layer top, the second metalling sets up in first metalling top, the concrete placement layer sets up on second metalling, still includes surrounding layer and inline, the enclosing layer centers on first metalling, second metalling and concrete placement layer set up, and just first metalling, second metalling and concrete placement layer all paste tightly the surrounding layer, inline have many, the pipe wall slope of inline sets up, and the pipe wall of inline is located concrete placement layer and enclosing layer, and two mouths of pipe of inline are located concrete placement department and surrounding layer department respectively.

The inclined straight drainage pipes are arranged in the middle waterproof roadbed structure, and liquid above a concrete pouring layer (the upper side of the concrete pouring layer is a permeable asphalt pavement layer) can directly flow into the straight drainage pipes to be discharged.

In this structure, concrete placement layer self also has certain water permeability, and the water in the concrete placement layer also can directly infiltrate down in first metalling. A mouth of pipe of inline is located the concrete placement layer, and the mouth of pipe is in exposing open state, and water in the concrete placement layer can directly get into in the inline through the mouth of pipe.

Optionally, the straight-line pipe is a copper pipe, and a hole is formed in the pipe wall of the straight-line pipe.

The copper pipe with the holes is adopted, so that part of water can directly seep into the second gravel layer through the holes in the copper pipe during drainage, and meanwhile, the water in the concrete pouring layer can directly seep into the straight drainage pipe through the holes; and secondly, in low-temperature rain and snow weather, hot air can be blown into the copper pipe outside the enclosure layer, and the hot air can be diffused into the concrete pouring layer through the holes in the pipe wall and further overflows, so that the overflowing hot air can melt ice and snow, the phenomenon of accumulated snow or freezing on the road surface above the copper pipe is avoided, and the copper pipe has good anti-corrosion capability and is not easy to corrode and damage.

Optionally, a catheter is disposed on the sheath.

The concrete surrounding layer is a reinforced concrete layer, and the surrounding layer mainly plays a shaping role in the roadbed and avoids the phenomenon of collapse of the roadbed. Set up the pipe in the envelope in this structure to two mouths of pipe are located the both sides of envelope respectively, and such design is in order to ensure that the inside and outside hydroenergy of inoxidizing coating can the convection current, because all have good water conductivity of permeating water in first rubble layer and the second rubble layer, the existence of pipe on the envelope like this can ensure when ponding appears in the both sides of road bed, and the water of road bed both sides can the convection current, can avoid like this because the road bed both sides lead to the phenomenon that the road bed collapses because the water pressure difference is inconsistent because of the road bed both sides.

Optionally, the water draining pipe is arranged on the first gravel layer and the protective layer.

Because meet when strong precipitation weather, probably cause instantaneous flood, if only rely on the effect of permeating water of first rubble layer, second rubble layer and pipe this moment, probably can lead to the road bed to be washed down by the flood, so erect the drain pipe on first rubble layer, the drain pipe is equivalent to the tunnel culvert, can directly play the effect of logical water, reduces the probability that the road bed was washed down by the flood.

Optionally, a supporting plate is arranged in the first crushed stone layer and is located above the water drainage pipe.

The effect that sets up the backup pad plays the guard action to the drain pipe, avoids the drain tank to be crushed by heavy vehicle.

Optionally, the wall of the drain pipe is provided with a hole (the aperture of the hole is smaller than the aperture of the crushed stone particles).

The specific drain pipe and the conduit are both reinforced concrete pouring pipes, and the difference between the specific drain pipe and the conduit is that the drain pipe is longer in length and wider in width.

Optionally, the particles of crushed stone in the first crushed stone layer are larger than the particles of crushed stone in the second crushed stone layer.

Optionally, the thickness of the plain soil layer is greater than that of the first gravel layer, the thickness of the first gravel layer is greater than that of the second gravel layer, and the thickness of the second gravel layer is greater than that of the concrete casting layer.

The utility model has the beneficial effects that: the straight drainage pipes in the inclined state are arranged, liquid above the concrete pouring layer can directly flow into the straight drainage pipes to be discharged, the drainage capacity of the concrete pouring layer is improved, and water is not easy to accumulate above the concrete pouring layer.

Description of the drawings:

fig. 1 is a schematic diagram of a waterproof roadbed structure.

The figures are numbered: 1. a permeable asphalt pavement layer; 2. a straight pipe; 3. pouring a concrete layer; 4. a conduit; 5. a support plate; 6. a drain pipe; 7. a surrounding layer; 8. a plain soil layer; 9. a first crushed stone layer; 10. a second crushed stone layer.

The specific implementation mode is as follows:

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

Example 1

As shown in the attached drawing 1, a waterproof roadbed structure comprises a plain soil layer 8, a first gravel layer 9, a second gravel layer 10 and a concrete pouring layer 3, wherein the first gravel layer 9 is arranged above the plain soil layer 8, the second gravel layer 10 is arranged above the first gravel layer 9, the concrete pouring layer 3 is arranged on the second gravel layer 10, the waterproof roadbed structure further comprises a protecting layer 7 and a straight-line pipe 2, the protecting layer 7 surrounds the first gravel layer 9, the second gravel layer 10 and the concrete pouring layer 3, the first gravel layer 9, the second gravel layer 10 and the concrete pouring layer 3 are tightly attached to the protecting layer, the straight-line pipe 2 is multiple, the pipe wall of the straight-line pipe 2 is obliquely arranged, the pipe wall of the concrete pouring pipe 2 is arranged in the concrete pouring layer 3 and the protecting layer 7, and two pipe orifices of the straight-line pipe 2 are respectively arranged at the straight-line layer 3 and the protecting layer 7.

Set up the inline 2 of slope state among this waterproof roadbed structure, the liquid that is arranged in concrete placement layer 3 top (the top is for penetrating water pitch surface course 1) can directly trickle discharge in inline 2, so this kind of roadbed structure has increased concrete placement layer 3's drainage ability through setting up inline 2, ensures that the difficult ponding in concrete placement layer 3 top.

In this structure, concrete placement layer 3 itself also has certain water permeability, and the water in concrete placement layer 3 also can directly infiltrate downwards in first metalling 9. A mouth of pipe of inline 2 is located concrete placement layer 3, and the mouth of pipe is in exposing open state, and the water in the concrete placement layer 3 can directly get into in inline 2 through the mouth of pipe.

As shown in the attached figure 1, the inline pipe 2 is a copper pipe, and holes are arranged on the pipe wall of the inline pipe 2.

The copper pipe with the holes is adopted, so that part of water can directly seep into the second gravel layer 10 through the holes in the copper pipe during drainage, and meanwhile, the water in the concrete pouring layer 3 can directly seep into the straight drainage pipe 2 through the holes; secondly, when the weather is rainy or snowy at low temperature, hot air can be blown into the copper pipe from the outside of the envelope layer 7, and the hot air can be diffused into the concrete pouring layer through the holes in the pipe wall and further overflows, so that the overflowing hot air can melt ice and snow, the phenomenon of accumulated snow or freezing on the road surface above the copper pipe is avoided, and the copper pipe has good anti-corrosion capability and is not easy to corrode and damage.

As shown in figure 1, the envelope 7 is provided with a conduit 4.

The concrete surrounding layer is a reinforced concrete layer, and the surrounding layer mainly plays a shaping role in the roadbed and avoids the phenomenon of collapse of the roadbed. Set up pipe 4 in envelope 7 in this structure to two mouths of pipe 4 are located the both sides of envelope respectively, such design is in order to ensure that the inside and outside hydroenergy of inoxidizing coating can the convection current, because all have good water conductivity of permeating water in first rubble layer 9 and the second rubble layer 10, the existence of pipe 4 on the envelope like this can be ensured when ponding appears in the both sides of road bed, the water of road bed both sides can the convection current, can avoid like this because the road bed both sides lead to the phenomenon that the road bed collapses because the water pressure difference is inconsistent because of the road bed both sides.

As shown in fig. 1, the water draining pipe 6 is further included, and the water draining pipe 6 is arranged on the first gravel layer 9 and the protective layer.

Because instantaneous flood can be caused when the weather is strong rainfall, if only the water permeable action of the first gravel layer 9, the second gravel layer 10 and the conduit 4 is relied on at the moment, the roadbed can be possibly washed down by the flood, so the drainage pipe 6 is erected on the first gravel layer 9, the drainage pipe 6 is equivalent to a tunnel culvert, the function of water passing can be directly played, and the probability of the roadbed being washed down by the flood is reduced.

As shown in fig. 1, a support plate 5 is arranged in the first crushed stone layer 9, and the support plate 5 is positioned above the drain pipe 6.

The support plate 5 is provided to protect the drain pipe 6 from being crushed by the heavy vehicle.

As shown in fig. 1, the wall of the drainage pipe 6 is provided with holes (the aperture of the holes is smaller than the aperture of the crushed stone particles).

The drain pipe 6 and the guide pipe 4 are both reinforced concrete pouring pipes, and the difference between the two is that the drain pipe 6 is longer in length and wider in width.

As shown in fig. 1, the particles of crushed stone in the first crushed stone layer 9 are larger than those in the second crushed stone layer 10.

As shown in fig. 1, the thickness of the plain soil layer 8 is greater than that of the first crushed stone layer 9, the thickness of the first crushed stone layer 9 is greater than that of the second crushed stone layer 10, and the thickness of the second crushed stone layer 10 is greater than that of the concrete cast layer 3.

Example 2

A highway comprising a waterproof roadbed structure as in embodiment 1.

Example 3

A railroad bed comprising a waterproof bed construction as in example 1.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, which is defined by the claims and their equivalents, and can be directly or indirectly applied to other related fields of technology.

Claims (8)

1. The utility model provides a waterproof roadbed structure, includes plain soil layer, first metalling, second metalling and concrete placement layer, first metalling sets up in plain soil layer top, the second metalling sets up in first metalling top, the concrete placement layer sets up on the second metalling, its characterized in that still includes enclosing layer and inline, the enclosing layer centers on first metalling, second metalling and concrete placement layer set up, and just first metalling, second metalling and concrete placement layer all paste tightly enclosing layer, inline have many, the pipe wall slope of inline sets up, and the pipe wall of inline is located concrete placement layer and enclosing layer in, and two mouths of pipe of inline are located concrete placement layer respectively and are located enclosing layer department.

2. The waterproof roadbed structure of claim 1, wherein the inline pipes are copper pipes, and holes are formed in the pipe walls of the inline pipes.

3. The watertight roadbed structure of claim 1, wherein the sheath is provided with a conduit.

4. The waterproof roadbed structure of claim 1, wherein the waterproof roadbed structure further comprises a drain pipe, and the drain pipe is arranged on the first gravel layer and the protective layer.

5. The waterproof roadbed structure of claim 4, wherein a support plate is arranged in the first gravel layer, and the support plate is positioned above the drain pipe.

6. The waterproof roadbed structure of claim 4, wherein the wall of the drain pipe is provided with holes.

7. The watertight roadbed structure of claim 1, wherein the particles of crushed stone in the first crushed stone layer are larger than the particles of crushed stone in the second crushed stone layer.

8. The waterproof roadbed structure of claim 1, wherein the thickness of the plain soil layer is greater than that of the first crushed stone layer, the thickness of the first crushed stone layer is greater than that of the second crushed stone layer, and the thickness of the second crushed stone layer is greater than that of the concrete cast layer.

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