A kind of steady type ecological permeable is mated formation system
Technical field
This utility model relates to ecological permeable pavement technique field, is specifically related to a kind of steady type ecological permeable and mats formation system.
Background technology
The mankind, when building city, are also changing the environment of the Nature, are destroying circulation and the balance of the Nature. One of key character of urbanization is exactly that original natural vegetation is constantly replaced by building and non-permeable hardened ground, thus changing the natural permeable attribute of natural soils vegetation and underlayer, thus destroying original circulation that water in the Nature is gentle, thus create a lot of negative issue. As: hardened ground makes rainwater run off from ground or be fallen by solar evaporation, has blocked the approach of the direct recharge of groundwater of precipitation, has made urban groundwater be difficult to be supplemented, has caused Urban Underground water level to decline; The very difficult exchange carrying out heat, moisture with air in air-locked ground; The easy hydrops of fluid-tight road, reduces comfortableness and the safety of road: when concentrating rainfall in the short time, rainwater enters river only by lower drainage facility; Waterproof mat formation seriously destroy the animals and plants living environment of city proper surface soil, change the original ecological balance of the Nature; Heavy rain waterlogging in season takes place frequently, and when concentrating heavy showers in the short time, waterproof pavement causes impeded drainage, and rainfall concentrations causes surface gathered water, waterlogging, surface gathered water, affects traffic safety, even causes traffic paralysis. Due to the appearance of problem above, to can explore with apply can " with Harmonizing with Environment " water permeable paving material need day by day increase. At present, permeable pavement has been had certain research by a lot of country in the whole world, particularly Japanese and German, and the comparison of development is early. China also has begun to research and the application of correlative technology field, and this indicates that the mistaken ideas of hardening are progressively walked out in urban construction, shows a kind of brand-new to people, have environment, ecology, fwaater resources protection function ground lay. But, the permeable pavement system of employing of the prior art lacks reasonability due to design structure, only lay particular emphasis on rain penetration function, design consideration for details is not thorough, when rainwater flow is excessive, easily cause road surface to subside, make permeable pavement system cannot well combine with natural soil layer.
Utility model content
For the technical problem that the permeable pavement system solving exist in prior art is easily subsided in rain drop erosion process, this utility model provides a kind of steady type ecological permeable and mats formation system. The purpose of this utility model is achieved through the following technical solutions:
A kind of steady type ecological permeable is mated formation system, including pervious bed and gravel layer, described gravel layer is arranged on below described pervious bed, described pervious bed is made up of with the concrete being poured in about conduit, described gravel layer is made up of gravel, also including curb, described curb is vertically arranged in described pervious bed and gravel layer edge.
Further, described curb is non-watertight road edge stone.
Further, described pervious bed is separated with natural soil layer by described curb with described gravel layer.
Further, in described gravel layer, rainwater collection collector it is provided with.
Further, described rainwater collection collector is provided with rainwater-collecting hole.
Further, also including inlet filtering apparatus, described inlet filtering apparatus is arranged on described duct inlet place.
The beneficial effects of the utility model are:
The disclosed a kind of steady type ecological permeable of this utility model is mated formation system, non-watertight road edge stone is mated formation as ecological permeable the good transition of system and surrounding nature soil layer, the road surface caused when rainwater flow is excessive can be prevented effectively from subside, also better make ecological permeable system of mating formation combine with surrounding nature soil layer simultaneously, elegant in appearance, it is simple to construction.
Accompanying drawing explanation
Fig. 1 is that a kind of steady type ecological permeable disclosed in this utility model is mated formation the sectional schematic diagram of system.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail.
As shown in Figure 1, a kind of steady type ecological permeable is mated formation system, including pervious bed and gravel layer, described gravel layer is arranged on below described pervious bed, described pervious bed is made up of with the concrete 1 being poured in about catheterostat unit, and described catheterostat unit is made up of conduit 2 and fixed support, and described gravel layer is made up of gravel, also including curb 11, described curb 11 is vertically arranged in described pervious bed and gravel layer edge. Certainly, in this example, described pervious bed is it can also be provided that conduit 2 and the concrete 1 being poured in surrounding catheter are constituted.
In this example, catheterostat unit mainly includes multiple conduit 2, and by the fixed support that multiple conduits 2 are fixed, support, described fixed support is arranged on described conduit 2. inlet filtering apparatus 7 at described conduit 2 upper end open place realizes. the cavity structure that described conduit 2 is formed in one, the port cross-sectional face, upper end of described conduit 2 is less than the cross section of lower end port, in the bottom of described conduit 2, is provided with base 9, and described base 9 is plugged in described conduit 2 bottom port, makes conduit more firm. for preventing conduit 2 in the process carrying out daily rainwater-collecting, sandy soil in rainwater, conduit 2 is blocked by leaves or other impurity, above described conduit 2 upper end open position, it is provided with inlet filtering apparatus 7, described inlet filtering apparatus 7 is open column shape structure, the cross section of described open tubular column is provided with filtering surface, described filtering surface is provided with openwork part, rainwater can pass through openwork part and enter in conduit 2, described filtering surface is additionally provided with filter column, described filter column can by the sandstone in rainwater, the impurity such as leaves stop, prevent it from making conduit 2 block with rainwater inflow catheter 2.Certainly, the concrete structure design for inlet filtering apparatus 7 filtering surface is not limited to above two concrete structure, as long as the filtering surface including openwork part and filter column part is regarded as inlet filtering apparatus 7 of the present utility model.
As it is shown in figure 1, described gravel layer includes levelling gravel layer 3, middle gravel layer 4 and bottom gravel layer 5 from top to bottom successively, above-mentioned every a layer thickness is 0.1m. described levelling gravel layer 3 is arranged on below middle and lower part and the conduit of conduit, and its grain size of gravel is 5-10mm, and described middle gravel layer 4 grain size of gravel is 10-20mm, and described bottom gravel layer 5 grain size of gravel is 20-40mm. pervious concrete screed-coat in prior art is replaced, it is possible to make construction more convenient, it is to avoid owing to adopting the problem of concrete leveling layer obstruction conduit to occur with levelling gravel layer 3. below described gravel layer, then it it is natural soil horizon 6. in described bottom gravel layer 5, it is provided with rainwater collection collector 12, described rainwater collection collector 12 is provided with rainwater-collecting hole 10. according to the precipitation laying location, the PE selecting suitable caliber manages, described PE pipe is provided with rainwater-collecting hole 10, concrete, described rainwater-collecting hole 10 is arranged on the top tube wall of described rainwater collection collector 12, according to concrete use needs, rainwater-collecting hole can be circular, square, the various shapes such as strip, simultaneously, on rainwater collection collector 12, one or more rainwater-collecting hole 10 can be set, it is surrounded by geotextiles outside rainwater collection collector 12, prevent rainwater-collecting hole 10 from blocking, the rainwater that described rainwater-collecting hole 10 is penetrated into gravel layer for the pervious bed collected above it, the rainwater collected flows in the tank of special setting with rainwater collection collector 12, when hydropenia, the water in tank is used.
Mat formation in system at a kind of steady type ecological permeable disclosed in the utility model, also include curb 11, as it is shown in figure 1, described curb 11 is vertically arranged in described pervious bed and gravel layer edge, concrete, it is shown that curb 11 is the non-watertight road edge stone that pervious concrete is prefabricated. Curb 11 is arranged as the transition between permeable pavement and natural soil layer, it is possible to better make ecological permeable system of mating formation combine with surrounding nature soil layer, it is prevented that road surface that is excessive due to rainwater flow and that cause subsides.
Last it is noted that the foregoing is only explanation embodiment of the present utility model; it is not limited to this utility model; for a person skilled in the art; all within spirit of the present utility model and principle; any amendment of being made, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.