CN212801065U - Anti-pavement sinking type permeable pavement - Google Patents

Abstract

The utility model belongs to the technical field of the road building technique and specifically relates to an anti road surface deflection formula permeable pavement is related to, its technical scheme main points are: the drainage assembly comprises a plurality of longitudinal drainage pipes and transverse drainage pipes which are mutually communicated, wherein the longitudinal drainage pipes are arranged along the length direction of a road, and the transverse drainage pipes are arranged along the width direction of the road; the horizontal drainage pipe is inclined downwards along the direction far away from the middle of the road, and the low-position end of the horizontal drainage pipe penetrates through the side wall of the gravel layer; the lateral walls of the longitudinal drainage pipe and the transverse drainage pipe are provided with drainage ports, and the longitudinal drainage pipe and the transverse drainage pipe are provided with permeable membranes for coating the drainage ports. The permeable pavement has good bearing performance.

Description

Anti-pavement sinking type permeable pavement

Technical Field

The utility model belongs to the technical field of the road building technique and specifically relates to an anti road surface deflection formula permeable pavement is related to.

Background

The permeable pavement is a pavement with water permeability, and the pavement with the water drainage function can effectively eliminate water accumulation on roads and squares in the rainfall process; meanwhile, rainwater can rapidly infiltrate into the ground to restore the underground water, so that the soil humidity is kept, and the ecological balance of the underground water and the soil is maintained.

In the prior art, a permeable pavement mainly comprises a permeable layer, a gravel layer and a foundation soil layer which are sequentially laid from top to bottom, wherein the permeable layer is usually a permeable concrete layer, and rainwater on the pavement is discharged downwards by utilizing the water permeability of the permeable concrete layer; the downward rainwater permeates into the foundation soil layer after being filtered by the gravel layer and finally enters the underground water.

The above prior art solutions have the following drawbacks: the permeable layer has good water permeability, but the water permeability of metalling and basic soil layer is relatively weaker, under the torrential rain condition, piles up and influence the holistic load capacity of permeable pavement because of the rainwater in metalling and the basic soil layer easily for permeable pavement probably appears the phenomenon of subsiding because of the load.

Disclosure of Invention

Not enough to prior art exists, one of the purposes of the utility model is to provide an anti road surface formula of sinking permeable pavement, this permeable pavement has good load performance.

The above technical purpose of the present invention can be achieved by the following technical solutions: the road surface sinking-resistant permeable pavement comprises a permeable layer, a gravel layer and a foundation soil layer which are sequentially laid from top to bottom, wherein a drainage assembly is laid on the gravel layer, the drainage assembly comprises a plurality of longitudinal drainage pipes and transverse drainage pipes which are mutually communicated, the longitudinal drainage pipes are arranged along the length direction of a road, and the transverse drainage pipes are arranged along the width direction of the road; the horizontal drainage pipe is inclined downwards along the direction far away from the middle of the road, and the low-level end of the horizontal drainage pipe penetrates through the side wall of the gravel layer; the lateral walls of the longitudinal drainage pipe and the transverse drainage pipe are provided with drainage ports, and the longitudinal drainage pipe and the transverse drainage pipe are provided with permeable membranes for coating the drainage ports.

By adopting the technical scheme, the drainage assembly formed by the fact that the drainage longitudinal pipes are communicated with the drainage transverse pipes is laid in the gravel layer, when rain falls, in the process that the gravel layer filters and seeps rainwater, rainwater can be drained into the drainage longitudinal pipes and the drainage transverse pipes through the drainage openings, and then the rainwater is drained out of the gravel layer through the drainage transverse pipes, so that the condition that rainwater is accumulated on the gravel layer in the rainstorm process is reduced; meanwhile, the rainwater drainage of the gravel layer is drained, and the condition that rainwater infiltrates and accumulates in the base soil layer below the gravel layer can be correspondingly reduced, so that the accumulation of rainwater in the gravel layer and the base soil layer is reduced, and the good bearing performance of the whole permeable pavement is kept.

Preferably, the road further comprises reinforced road edges arranged on two sides of the road, the lower surfaces of the reinforced road edges are abutted against the foundation soil layer, and the side walls, close to the center of the road, of the reinforced road edges are attached to the dehydration layer and the gravel layer; the drainage horizontal pipe penetrates through the side wall of the reinforced road edge far away from the road center.

Through adopting above-mentioned technical scheme, use and strengthen the curb and laminate the both sides of dehydration layer and metalling, for the both sides of dehydration layer with the metalling provide good support, promote the holistic structural stability of permeable pavement.

Preferably, the cross section of the reinforcing road is gradually increased from top to bottom.

By adopting the technical scheme, the abutting area between the lower part of the reinforced road edge and the foundation soil layer is increased, the good bearing performance of the reinforced road edge can be kept, and the sinking condition of the reinforced road edge after being stressed is reduced.

Preferably, the dehydration layer comprises a fine permeable concrete layer and a coarse permeable concrete layer which are arranged from top to bottom, and a reinforcing member is laid between the fine permeable concrete layer and the coarse permeable concrete layer.

Through adopting above-mentioned technical scheme, the thin concrete layer that permeates water that is located the road surface upside can carry out good filtration to the debris in the rainwater and keep off, reduces the condition that debris infiltrated down along with the rainwater, and simultaneously, the thick concrete layer that permeates water that is located thin concrete layer below makes the permeable bed whole have good water permeability, and utilize the reinforcement to realize the reinforcement between thin concrete layer that permeates water and the thick concrete layer that dewaters and be connected, promote the holistic structural strength of permeable bed, thereby the order permeable pavement has good load performance.

Preferably, the reinforcement extends into the reinforcing curb.

Through adopting above-mentioned technical scheme, the reinforcement extends to in strengthening the curbstone, realizes permeating water layer and strengthening being connected between the curbstone, and when permeating water layer load, accessible reinforcement transmits partial power to strengthening the curbstone and undertakes to promote the load performance on permeating water layer.

Preferably, the reinforcing member is a steel wire mesh.

Through adopting above-mentioned technical scheme, use the wire net to lay between thin concrete layer and the thick concrete layer that permeates water, the process of pouring that utilizes the concrete can realize laying of wire net, plays the effect that promotes permeable bed load performance, and simple structure is practical.

Preferably, an impermeable geotextile is arranged between the rubble layer and the foundation soil layer.

By adopting the technical scheme, the anti-seepage geotextile is arranged between the gravel layer and the foundation soil layer, so that the condition that gravel in the gravel layer is lost due to rainwater in the rainwater infiltration process can be reduced, meanwhile, the anti-seepage geotextile is used for isolating the gravel layer and the foundation soil layer, the condition that the gravel layer and the foundation soil layer are mixed with each other in the rainwater infiltration process to form gaps is reduced, and the integral structural stability of the permeable pavement is kept.

Preferably, the permeable membrane is geotextile.

Through adopting above-mentioned technical scheme, use geotechnological cloth cladding to violently manage in drainage vertical canal and drainage and go up drainage mouth department, can play fine effect of permeating water, and effectively reduce grit in the gravel layer to the condition of blockking up the drainage mouth, keep the good drainage performance of drainage subassembly.

To sum up, the utility model discloses a following at least one useful technological effect:

1. rainwater accumulation in the gravel layer and the foundation soil layer is reduced, and the good bearing performance of the whole permeable pavement is kept;

2. the steel wire mesh is utilized to realize the reinforced connection between the fine pervious concrete layer and the coarse dehydrated concrete layer, so that the integral structural strength of the pervious layer is improved;

3. the wire net extends to in the enhancement road edge, realizes being connected between permeable layer and the enhancement road edge, and when permeable layer load, the accessible reinforcement undertakes partial power transmission to enhancement road edge to promote the load performance on permeable layer.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Reference numerals: 1. a water permeable layer; 11. a fine water-permeable concrete layer; 12. a coarse pervious concrete layer; 2. a crushed stone layer; 3. a base soil layer; 4. reinforcing road edges; 5. a drainage assembly; 51. a longitudinal drainage pipe; 52. a horizontal drainage pipe; 6. and (5) steel wire meshes.

Detailed Description

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

Referring to fig. 1, for the utility model discloses an anti road surface formula of sinking permeable pavement, including permeable bed 1, metalling 2, basic soil layer 3 and reinforcement road edge 4, wherein, basic soil layer 3, metalling 2 and permeable bed 1 set gradually from bottom to top. Specifically, the foundation soil layer 3 is located at the lowest part and needs to be compacted, and the compaction coefficient is larger than 0.9. The gravel layer 2 is laid above the foundation soil layer 3, and meanwhile, impermeable geotextile is laid between the gravel layer 2 and the foundation soil layer 3 to isolate the gravel layer 2 from the foundation soil layer 3.

Referring to fig. 1, a drainage assembly 5 is further paved in the crushed stone layer 2 for draining and discharging the penetrating rainwater in the crushed stone layer 2 to both sides of the road; specifically, the drainage assembly 5 comprises a plurality of vertical drainage pipes 51 and horizontal drainage pipes 52 which are communicated with each other. Among them, the vertical drainage pipes 51 are provided along the longitudinal direction of the road, and the horizontal drainage pipes 52 are provided along the width direction of the road. Moreover, a plurality of drainage holes are formed in the side walls of the drainage longitudinal pipe 51 and the drainage transverse pipe 52; correspondingly, geotextile is further sleeved on the drainage longitudinal pipe 51 and the drainage transverse pipe 52 and used for coating and protecting the drainage port and reducing the condition that the drainage port is blocked by the crushed stones in the crushed stone layer 2.

Meanwhile, the horizontal drainage pipe 52 is inclined downwards in the direction far away from the middle of the road, and the low end of the horizontal drainage pipe 52 penetrates through the side wall of the gravel layer 2. The rainwater can be drained to the vertical drainage pipe 51 and the horizontal drainage pipe 52 through the drainage port, and then the rainwater is drained to the outside of the gravel layer 2 through the horizontal drainage pipe 52.

Referring to fig. 1, a permeable layer 1 is laid above a gravel layer 2, specifically, the permeable layer 1 comprises a coarse permeable concrete layer 12 and a fine permeable concrete layer 11, the coarse permeable concrete layer 12 is attached to the upper surface of the gravel layer 2, and a steel wire mesh 6 is laid on the upper surface of the coarse permeable concrete layer 12; the fine permeable concrete layer 11 is laid above the coarse permeable concrete layer 12, and the steel wire mesh 6 is coated in the pouring process.

Referring to fig. 1, the reinforced road edges 4 are poured by concrete on two sides of the road in the width direction, the lower surfaces of the reinforced road edges 4 are pressed against the foundation soil layer 3, and two opposite side walls of the two reinforced road edges 4 on two sides of the road are tightly attached to the side walls of the gravel layer 2 and the permeable layer 1; meanwhile, the horizontal transverse section of the reinforced road edge 4 is gradually increased from top to bottom, namely the upper end surface of the reinforced road edge 4 is larger than the upper end surface, so that the abutting area between the reinforced road edge 4 and the foundation soil layer 3 is increased.

In addition, lay the wire net 6 between thick permeable concrete layer 12 and the thin permeable concrete layer 11 and still extend to in strengthening curbstone 4, promote the connection stability between permeable bed 1 and the strengthening curbstone 4. Meanwhile, the drainage horizontal pipe 52 in the gravel layer 2 penetrates through the side wall of the gravel layer 2 to the side wall of the reinforcing road edge 4 far away from the gravel layer 2, and is used for draining rainwater.

The implementation principle of the embodiment is as follows: during rainfall, in the process that the gravel layer 2 filters rainwater and infiltrates, the rainwater can be drained into the drainage longitudinal pipe 51 and the drainage transverse pipe 52 through the drainage transverse pipe 52, and then the rainwater is drained out of the gravel layer 2 through the drainage transverse pipe 52, so that the condition that the rainwater is accumulated on the gravel layer 2 in the rainstorm process is reduced; simultaneously, drain the rainwater drainage of rubble layer 2, corresponding also can reduce the rainwater and infiltrate down and pile up in the condition of rubble layer 2 below basic soil layer 3 to reduce the rainwater in rubble layer 2 and the basic soil layer 3 and pile up, keep the holistic good load-carrying property of permeable pavement.

Meanwhile, the steel wire mesh 6 is utilized to realize the reinforced connection between the fine permeable concrete layer 11 and the coarse dewatering concrete layer, so that the integral structural strength of the permeable layer 1 is improved, and the permeable pavement has good bearing performance; and, wire net 6 extends to in strengthening road edge 4, realizes being connected between permeable bed 1 and the strengthening road edge 4, when permeable bed 1 load, can undertake partial power transmission to strengthening road edge 4, further promotes permeable bed 1's load-carrying capacity.

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 (8)

1. The utility model provides an anti road surface formula of sinking permeable pavement, includes permeable bed (1), metalling (2) and basic soil layer (3) that top-down laid in proper order, its characterized in that: a drainage assembly (5) is laid on the gravel layer (2), the drainage assembly (5) comprises a plurality of vertical drainage pipes (51) and horizontal drainage pipes (52) which are communicated with each other, the vertical drainage pipes (51) are arranged along the length direction of the road, and the horizontal drainage pipes (52) are arranged along the width direction of the road; the horizontal drainage pipe (52) is inclined downwards along the direction far away from the middle of the road, and the low-level end of the horizontal drainage pipe (52) penetrates through the side wall of the gravel layer (2); the side walls of the longitudinal drainage pipe (51) and the transverse drainage pipe (52) are provided with drainage openings, and the longitudinal drainage pipe (51) and the transverse drainage pipe (52) are provided with water permeable membranes for coating the drainage openings.

2. The road surface bending sinking resistant permeable pavement according to claim 1, characterized in that: the road surface is characterized by further comprising reinforced road edges (4) arranged on two sides of the road, the lower surfaces of the reinforced road edges (4) are abutted against the foundation soil layer (3), and the side walls, close to the center of the road, of the reinforced road edges (4) are attached to the dehydration layer and the gravel layer (2); the drainage transverse pipe (52) penetrates through the side wall of the reinforced road edge (4) far away from the center of the road.

3. The road surface bending sinking resistant permeable pavement according to claim 2, characterized in that: the transverse section of the reinforcing road edge (4) is gradually increased from top to bottom.

4. The road surface bending sinking resistant permeable pavement according to claim 2 or 3, characterized in that: the dehydration layer comprises a fine permeable concrete layer (11) and a coarse permeable concrete layer (12) which are arranged from top to bottom, and a reinforcing member is laid between the fine permeable concrete layer (11) and the coarse permeable concrete layer (12).

5. The road surface bending sinking resistant permeable pavement according to claim 4, characterized in that: the reinforcement extends into the reinforced curb (4).

6. The road surface bending sinking resistant permeable pavement according to claim 4, characterized in that: the reinforcing member is a steel wire mesh (6).

7. The road surface bending sinking resistant permeable pavement according to claim 1, characterized in that: and an impermeable geotextile is arranged between the gravel layer (2) and the base soil layer (3).

8. The road surface bending sinking resistant permeable pavement according to claim 1, characterized in that: the permeable membrane is geotextile.

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