Pavement structure based on kerbstone permeates water
Technical Field
The utility model relates to the technical field of road building materials, in particular to a sidewalk structure based on a permeable curb.
Background
The kerbstone is a boundary stone provided at the edge of the road surface, and is a strip stone provided at the edge of the road surface and demarcated with other structural zones. Curb stones are required to be arranged between the sidewalk and the road surface, between the urban road isolation belt and the road surface and at the edge of the traffic lane. Firstly, the existing curb generally adopts a rectangular section, so that the curb is easy to overturn under the condition of accidental load; secondly, the conventional kerbstone is usually made of impervious materials such as natural stones or concrete, and in rainy weather, the kerbstone can guide water and cannot drain water, so that accumulated water on the road surface cannot be drained in time, residual accumulated water permeates into a road surface base layer, the damage to the road surface structure is caused, and the service life of the road surface structure is obviously shortened; then, the current sidewalk cannot effectively seep water, so that water accumulated on the pavement causes difficulty in passing of pedestrians; finally, most of the existing pavements are made of high-heat-absorption materials such as concrete and asphalt, so that the temperature of the pavements is too high in hot weather, flying dust is generated, and the urban heat island effect is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a permeable curb-based sidewalk structure, which integrates a curb and a sidewalk into a whole, prevents the curb from overturning, enables accumulated water on a road surface and the sidewalk to efficiently seep, filter and collect, improves the utilization rate of water resources, pumps collected water out of a sprayed road surface in hot seasons, reduces the temperature of the road surface and reduces the urban heat island effect.
In order to achieve the above object, one technical solution of the present invention is:
a sidewalk structure based on a permeable curb comprises a sidewalk, the curb, a road, a drain pipe, a water guide pipe and a water pump; the pavement is sequentially paved with a surface layer, a leveling layer, a filtering layer, a flow guide body, a water collecting tank and a soil foundation layer from top to bottom; the kerbstone is provided with a drainage hole and a water guide hole, the upper end of the kerbstone is flush with the surface of the sidewalk, and the lower end of the kerbstone is flush with the surface of the road; the drain hole is communicated with the filter layer through a drain pipe; the bottom end of the drain pipe is flush with the top end of the flow guide body; the water guide hole is communicated with the water collecting tank through a water guide pipe; the water guide pipe penetrates through the filter layer and extends to the bottom of the water collecting tank, and a water pump is arranged at the pipe orifice at the lower end of the water guide pipe.
As a preferable improvement of the present invention, the surface layer is a water permeable brick layer.
As a preferable improvement of the present invention, the leveling layer is a sandstone layer.
As a preferable improvement of the utility model, the filter layer comprises a gravel layer, a pulverized coal ash layer and a blast furnace slag layer, and the filter layer sequentially comprises the gravel layer, the pulverized coal ash layer and the blast furnace slag layer from top to bottom.
As a preferable improvement of the utility model, the flow guide body is of a right-angle triangular prism structure, and the material used by the flow guide body is waterproof mortar.
As a preferred improvement of the utility model, the water collecting tank comprises a square groove, a cover plate, water collecting holes and geotextile; a cover plate is arranged at the top of the square groove; the top surface of the cover plate is uniformly provided with water collecting holes; and the upper surface of the water collecting hole is covered with geotextile.
As a preferable improvement of the utility model, the cross section of the curb is in an inverted Z shape, so that the curb can be effectively prevented from overturning due to accidental factors.
As a preferable improvement of the utility model, the diameter of the drain hole is 20 mm-30 mm, and the distance between adjacent drain holes is 50 mm-60 mm.
As a preferable improvement of the utility model, the diameter of the water guide holes is 15 mm-20 mm, and the distance between adjacent water guide holes is 100 mm-120 mm.
As a preferable improvement of the utility model, the two ends of the drain pipe are wrapped with geotextile.
As a preferable improvement of the utility model, one end of the water guide pipe close to the bottom of the water collecting tank is wrapped with geotextile, and one end close to the kerb stone is provided with a water spray pipe head.
The utility model has the technical effects that:
(1) according to the utility model, the curbstone adopts the inverted Z shape, the upper surface and the lower surface are respectively contacted with the pavement surface layer and the road surface layer, the structure is stable, the curbstone can be effectively limited from rotating, and the curbstone is not easy to overturn.
(2) The pavement surface layer adopts the water permeable bricks, so that rainwater can rapidly infiltrate downwards without generating accumulated water, the rainwater is filtered by the filter layer, pollutants in the rainwater are reduced, the infiltration water flow is collected in the water collection tank, the water resource is recycled, and the utilization rate of the rainwater is improved.
(3) According to the utility model, the curb can effectively drain rainwater on the road surface into the water collecting tank through the drain holes, so that accumulated water on the road surface is reduced, the service life of the road surface is prolonged, and in hot seasons, water in the water collecting tank is pumped into the water guide pipe through the water pump to spray the road surface, so that the temperature of the road surface is reduced, and the urban heat island effect is reduced.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic cross-sectional view of a water-permeable curb-based sidewalk structure
FIG. 2 is a schematic view of a sidewalk structure based on a permeable curb of the present invention
FIG. 3 is a schematic diagram of a kerbstone structure of a sidewalk structure based on a permeable kerbstone
FIG. 4 is a cross-sectional view of a kerbstone of the sidewalk structure based on the permeable kerbstone of the present invention
FIG. 5 is a schematic view of a filter layer of a sidewalk structure based on a permeable curb according to the present invention
FIG. 6 is a schematic view of a water collection tank of a sidewalk structure based on a permeable kerb
Wherein, 1 is a sidewalk, 11 is a surface layer, 12 is a leveling layer, 13 is a filtering layer, 131 is a gravel layer, 132 is a pulverized coal ash layer, 133 is a blast furnace slag layer, 14 is a flow guide body, 15 is a water collecting tank, 151 is a square groove, 152 is a cover plate, 153 is a water collecting hole, 154 is geotextile, 16 is a soil base layer, 2 is a curb, 21 is a drain hole, 22 is a water guiding hole, 3 is a road, 4 is a drain pipe, 5 is a water guiding pipe, and 6 is a water pump.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-6, the utility model provides a water permeable curb-based sidewalk structure, which comprises a sidewalk 1, a curb 2, a road 3, a drain pipe 4, a water guide pipe 5 and a water pump 6, wherein the water guide pipe is arranged on the sidewalk 1; the pavement 1 is paved with a surface layer 11, a leveling layer 12, a filter layer 13, a flow guide body 14, a water collecting tank 15 and a soil base layer 16 in sequence from top to bottom; the kerbstone 2 is provided with a drainage hole 21 and a water guide hole 22, the upper end of the kerbstone 2 is flush with the surface of the sidewalk 1, and the lower end of the kerbstone 2 is flush with the surface of the road 3; the drain hole 21 is communicated with the filter layer 13 through the drain pipe 4; the bottom end of the water discharge pipe 4 is flush with the top end of the flow guide body 14; the water guide hole 22 is communicated with the water collection tank 15 through the water guide pipe 5; the water guide pipe 5 penetrates through the filter layer 13 and extends to the bottom of the water collecting tank 15, and a water pump 6 is arranged in the water guide pipe 5.
In this embodiment, the surface layer 11 is laid by water permeable bricks, so as to ensure rapid infiltration of rainwater.
In this embodiment, the screed 12 is constructed from sand.
In this embodiment, the filter layer 13 includes a gravel layer 131, a fly ash layer 132, and a blast furnace slag layer 133, and the filter layer 13 includes the gravel layer 131, the fly ash layer 132, and the blast furnace slag layer 133 from top to bottom in sequence, so as to effectively filter and decontaminate rainwater.
In this embodiment, the flow conductor 14 has a right-angle triangular prism structure, and the material of the flow conductor 14 is waterproof mortar.
In this embodiment, the water collection tank 15 includes a square groove 151, a cover plate 152, a water collection hole 153, and a geotextile 154; a cover plate 152 is arranged at the top of the square groove 151; the top surface of the cover plate 152 is uniformly provided with water collecting holes 153; the upper surface of the water collecting hole 153 is covered with geotextile 154.
In this embodiment, the cross-sectional shape of the curb 2 is an inverted Z shape, which can effectively prevent the curb from overturning due to accidental factors.
In this embodiment, the diameter of the drainage hole 21 is 20mm, and the distance between adjacent drainage holes 21 is 50 mm.
In the embodiment, the diameter of the water guide holes 22 is 15mm, and the distance between adjacent water guide holes 22 is 100 mm.
In this embodiment, the drainage pipe 3 is wrapped with geotextiles 154 at both ends.
In this embodiment, one end of the water guiding pipe 4 near the bottom of the water collecting tank 15 is wrapped with geotextile 154, and one end near the kerb 2 is provided with a water spraying pipe head.
While embodiments of the utility model have been disclosed above, it is not limited to the applications set forth in the specification and the embodiments, which are fully applicable to various fields of endeavor for which the utility model pertains, and further modifications may readily be made by those skilled in the art, it being understood that the utility model is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.