CN109098064B - Sponge urban road structure capable of avoiding rainwater deposition on road surface - Google Patents

Sponge urban road structure capable of avoiding rainwater deposition on road surface Download PDF

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Publication number
CN109098064B
CN109098064B CN201811079192.4A CN201811079192A CN109098064B CN 109098064 B CN109098064 B CN 109098064B CN 201811079192 A CN201811079192 A CN 201811079192A CN 109098064 B CN109098064 B CN 109098064B
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drainage
road
pavement
permeable
concrete
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CN109098064A (en
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汤文健
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Foshan Nanhai Jianxiang Construction Engineering Co., Ltd
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Foshan Nanhai Jianxiang Construction Engineering Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00Coherent pavings made in situ
    • E01C7/08Coherent pavings made in situ made of road-metal and binders
    • E01C7/32Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00Details of pavings
    • E01C11/22Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/221Kerbs or like edging members, e.g. flush kerbs, shoulder retaining means ; Joint members, connecting or load-transfer means specially for kerbs
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00Details of pavings
    • E01C11/22Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/224Surface drainage of streets
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00Details of pavings
    • E01C11/22Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/224Surface drainage of streets
    • E01C11/225Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
    • E01C11/226Coherent pavings
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00Details of pavings
    • E01C11/22Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/224Surface drainage of streets
    • E01C11/227Gutters; Channels ; Roof drainage discharge ducts set in sidewalks
    • E01C11/228Gutters for porous pavings
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C15/00Pavings specially adapted for footpaths, sidewalks or cycle tracks

Abstract

The invention provides a sponge urban road structure capable of avoiding rainwater deposition on a road surface, which comprises a roadway drainage asphalt road surface, a greening planting disc and an external drainage pipe; the inner side edge of the roadway drainage asphalt pavement is embedded and fixed with two symmetrical middle protection plates through concrete, and a concrete channel is arranged between the middle protection plates. The sponge urban road structure capable of avoiding rainwater deposition on the road surface is comprehensively realized through mutual cooperation of the various structures, the pavement is constructed, the thickness of the pavement of the permeable brick of the pedestrian road is 6CM, and a 3CM medium sand leveling layer, a 10CM permeable cement concrete base layer and 10CM roadbed gravel are sequentially paved below the permeable brick of the pedestrian road, so that the permeability of the pavement can reach more than 70%, a low-carbon environment-friendly natural living environment can be built, the ecological balance of the city is kept, and the good permeability and moisture retention of the ground are kept.

Description

Sponge urban road structure capable of avoiding rainwater deposition on road surface
Technical Field
The invention belongs to the technical field of urban road drainage, and particularly relates to a sponge urban road structure for avoiding rainwater deposition on a road surface.
Background
The sponge city is a city which can be like a sponge, has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters and the like, absorbs water, stores water, seeps water and purifies water in rainy days, and releases the stored water when needed. Sponge urban construction follows principles such as ecological priority, natural approaches are combined with artificial measures, accumulation, permeation and purification of rainwater in urban areas are realized to the maximum extent on the premise of ensuring urban drainage waterlogging prevention safety, utilization of rainwater resources and ecological environment protection are promoted, and sponge urban road construction is also an important link for embodying sponge urban concepts, for example, a rainwater percolation and drainage structure of a sponge urban road in patent application CN 201710481788.6; the sidewalk is formed by sequentially laying a plurality of layers of permeable structures, a retaining wall is poured on the outer side of the sidewalk, a U-shaped drainage ditch is buried under the retaining wall, the opening of the drainage ditch is opposite to the bottom permeable structure of the sidewalk, and the permeable wall is arranged between the drainage ditch and the sidewalk; a water-resisting mechanism is arranged on the retaining wall in a penetrating mode, the lower end of the water-resisting mechanism is arranged between the permeable wall and the drainage ditch in a penetrating mode, and a filter layer is arranged at the lower end portion of the water-resisting mechanism; the invention has reasonable structure, and the excessive rainwater enters the urban pipe network through the U-shaped drainage ditch by using the stainless steel water-stop mechanism with the replaceable geotextile filter layer and matching with the permeable layer laid on the sidewalk to form a percolation discharge combination, thereby avoiding the problem of pipe hole blockage caused by corrosion of the existing geotextile filter layer.
Based on the above, the present inventors found that the existing sponge urban road and the sponge urban road under construction are required to have high water permeability, and at the same time, the durability of the road surface is reduced, and the road is soft and easy to sink, and the drainage port is easily blocked by gravel lifted by rainwater, resulting in reduction of the drainage capacity.
Therefore, in view of the above, research and improvement are performed on the existing structure and defects, and a sponge urban road structure for avoiding rainwater deposition on the road surface is provided, so as to achieve the purpose of higher practical value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the invention provides a sponge urban road structure capable of avoiding rainwater deposition on a road surface, and aims to solve the problems that the durability of the road surface is reduced, the road is soft and easy to sink, and the drainage port is easily blocked by gravel lifted by rainwater, so that the drainage capacity is reduced while high water permeability is pursued.
The invention aims to avoid the sponge urban road structure with rainwater deposition on the road surface and the effect thereof, and is achieved by the following specific technical means:
a sponge urban road structure capable of avoiding rainwater deposition on a road surface comprises a roadway drainage asphalt road surface, a slurry seal, a coarse-grained asphalt mixture, an emulsified asphalt slurry seal, a permeable cushion layer, cement-stabilized macadam, roadbed-matched macadam, a pedestrian road permeable brick road surface, a medium sand leveling layer, a permeable cement concrete base layer, a sidewalk road surface drainage layer, a sidewalk sewer pipe, a separation green belt, a buffer water storage tank, a middle protection plate, a protection grid, a support plate, curbstone, a concrete channel, a flow guide body, an in-channel drainage pipe, a butt-joint permeable cushion layer, an in-channel drainage port, a vortex drainage port, an arc drainage bridge, a filter column, a greening planting disc and an outer drainage pipe; two symmetrical middle protection plates are fixedly embedded at the side edge of the inner end of the roadway drainage asphalt pavement through concrete, and a concrete channel is arranged between the two middle protection plates; the bottom plane of the concrete channel is embedded and sealed with an in-channel water outlet which is separated from the greening planting disc through concrete; the bottom of the water outlet in the canal is communicated with a water drainage pipe in the canal; the intersection of the two sides of the roadway drainage asphalt pavement and the pedestrian road permeable brick pavement is fixedly connected with curbstones through concrete, vortex water outlets are embedded in the roadway drainage asphalt pavement below the curbstones, and the lower ends of the vortex water outlets are communicated with outer drainage pipes embedded in the roadway drainage asphalt pavement; the outer side of the permeable brick pavement of the pedestrian road is a pavement drainage belt, and the pavement drainage belt is in a structure that a water outlet of the pedestrian road and a separation green belt are arranged at intervals; the lower end of the sidewalk drainage port is communicated with a drainage pipe buried in a soil layer of a pavement drainage zone of the sidewalk; the lower end of the sewer pipe is connected with the outer drainage pipe.
Furthermore, the pavement thickness of the roadway drainage asphalt pavement is 4CM, and a slurry seal layer of 0.5CM, a coarse grain asphalt mixture of 8CM, an emulsified asphalt slurry seal layer of 0.6CM, a symmetrical wedge-shaped permeable cushion layer, 36CM cement stabilized macadam and 15CM roadbed matched macadam are sequentially paved below the roadway drainage asphalt pavement.
Furthermore, the top of the cement stabilized macadam is of a triangular convex structure towards two sides by taking the middle of the roadway drainage asphalt pavement as a center, and a permeable cushion layer is filled along the inclined surface of the cement stabilized macadam.
Furthermore, the paving thickness of the permeable brick pavement of the pedestrian road is 6CM, and a 3CM middle sand leveling layer, a 10CM permeable cement concrete base layer and 10CM roadbed gravel are sequentially paved below the permeable brick pavement of the pedestrian road.
Furthermore, the whole concrete channel is of a V-shaped structure, and the two side walls of the concrete channel are uniformly provided with parallel rectangular flow deflectors at intervals.
Furthermore, two fixedly connected with protection grids between the opposite face bottom of well guard plate, and evenly the interval is provided with the backup pad of semiellipse shape between the protection grids to the rectangle opening has been seted up with the corresponding position of planting technique dish on the protection grids.
Furthermore, the whole curbstone is of an inverted L-shaped structure, and the position of the vortex water outlet is just shielded by the inward extending part of the curbstone.
Furthermore, twelve arc-shaped drainage bridges are arranged on the vortex water outlet, and four layers of filter columns which are staggered with each other are filled in the arc-shaped drainage bridges.
Furthermore, a concave buffer water storage tank is fixedly arranged at the intersection of the permeable brick pavement of the pedestrian road and the pavement drainage layer of the sidewalk.
Compared with the prior art, the invention has the following beneficial effects:
the structure of the roadway is set, the paving thickness of the asphalt pavement drained through the roadway is 4CM, a slurry seal layer of 0.5CM, a coarse-grained asphalt mixture of 8CM, an emulsified asphalt slurry seal layer of 0.6CM and symmetrical wedges are sequentially paved below the asphalt pavement drained through the roadway, the permeable cushion layer of 36CM cement stabilized macadam and roadbed matched macadam of 15CM are arranged below the asphalt pavement drained through the roadway, the permeable cushion layer can keep the permeable effect of the roadway and disperse the pressure of each top surface layer, the cement stabilized macadam provides bearing capacity and connects the roadbed matched macadam with the permeable cushion layer, the slurry seal layer and the emulsified asphalt slurry seal layer can prevent reverse seepage, and the roadway has high porosity, water drift resistance, water mist and glare reduction, water splashing reduction and driving safety in rain through the structure, noise reduction, good surface characteristics can be provided and kept, the visibility of pavement markings in wet weather and at night are improved, and the road surface marks are good, The running safety of the road surface is improved, the skid resistance of the wet road surface is improved, and the like, and the design concept of the sponge city is met.
The structure setting of pavement, it is 6CM to permeate water brick road surface through the people's road and lays the road bed that 3CM middlings screed-coat, 10CM permeate water cement concrete basic unit and 10CM in proper order below the brick road surface that permeates water of people's road and join in marriage the rubble to make the pavement can reach the rate of permeating water more than 70%, and can build the natural living environment of low carbon environmental protection, keep the ecological balance in city, keep good water permeability, the moisture retention on ground.
The setting that the rubble is stabilized to cement and the bed course that permeates water mutually supported, the top through the rubble is stabilized to cement and is the triangle bulge column structure with roadway drainage bituminous paving middle part as the center to both sides to make the bed course that permeates water fill along cement stabilization rubble inclined plane, thereby make the hydroenergy that the top infiltration comes enough permeate along cement stabilization rubble looks both sides, wherein, divide into the example with the left side portion, through left the rainwater that flows in the bed course that permeates water can be arranged outward through outer drainage pipe, and the rainwater that flows in the bed course that permeates water on right side then can be arranged outward in the drainage mouth in the ditch through the predetermined butt joint bed course in the concrete channel.
The arrangement of the middle flow guide body and the protection grating of the concrete channel is characterized in that the concrete channel is of a V-shaped structure as a whole, and the two side walls of the concrete channel are uniformly provided with the parallel cuboid-shaped flow guide bodies at intervals, so that rainwater coming from the water drainage asphalt pavement of the roadway and from the air above the water drainage asphalt pavement can be guided along the flow guide bodies, impurities such as leaves and the like in the rainwater can be filtered in the flow guiding process to prevent the blockage of a water drainage pipe in the channel, the protection gratings are fixedly connected between the bottom ends of the opposite surfaces of the two middle protection plates, semi-elliptical support plates are uniformly arranged between the protection gratings at intervals, and rectangular openings are formed in the protection gratings at positions corresponding to the greening planting discs, so that the protection gratings can protect the concrete channel and provide growing spaces for plant growth in the greening planting discs, but also can prevent passerby from turning over, thereby increasing the driving safety.
The setting of way tartar and swirl outlet, be down L column structure through way tartar is whole, and swirl outlet position is shielded by the inside part that stretches out of way tartar just, and twelve arc drainage bridges have been seted up on the swirl outlet, and it has four layers of crisscross filtration post each other to fill in the arc drainage bridge, thereby make the swirl outlet be in half hidden state, and then make the dust that produces on the tartar be difficult to enter into the swirl outlet, the jam probability of swirl outlet has been reduced, this swirl outlet adopts the structure of vortex form simultaneously, make rivers produce the vortex and accelerate the velocity of flow, can effectively separate different debris in the rivers, and the combination that adopts arc drainage bridge and filtration post sets up when guaranteeing the displacement has solved the problem of filtration post jam again.
The invention realizes a sponge urban road structure for avoiding rainwater deposition on the road surface through the mutual cooperation of the various structures, the engineering vehicle roadway asphalt has high void ratio of the upper layer and is watertight of the lower layer, moisture is discharged into a separating green belt from two sides of the road, and the drainage characteristics are divided into three functions of 'penetration', 'blocking' and 'drainage'. The term "through" means that rainwater seeps into the drainage surface layer through the gaps of the drainage asphalt pavement, so that the surface of the pavement does not accumulate water under a certain rainfall. The blocking means that water in the drainage surface layer is limited in the upper layer and is prevented from seeping down to the lower layer, so that the water damage of the asphalt mixture of the lower layer is avoided. The drainage is that the rainwater staying in the drainage surface layer flows transversely through the communicating gap in the surface layer and is collected into the separating green belt at two sides through a vortex drainage port, a sidewalk drainage port or a natural side surface, so that the anti-rainstorm capacity of the road surface is improved, and the influence of long-term storage of the rainwater on the stability of the asphalt concrete is weakened.
Drawings
Fig. 1 is an axial view structural schematic diagram of the urban road of the invention.
Fig. 2 is a schematic diagram of an enlarged portion a of fig. 1 according to the present invention.
Fig. 3 is a schematic diagram of a portion of the structure of B in fig. 1 according to the present invention.
Fig. 4 is a schematic view of the top view structure of the urban road of the invention.
FIG. 5 is an axial view of the structure of the urban road with the protective grating separated.
Fig. 6 is a schematic diagram of the enlarged part C in fig. 5 according to the present invention.
FIG. 7 is a schematic axial view of the vortex finder of the present invention.
Fig. 8 is a cross-sectional structural view of an urban road according to the present invention.
Fig. 9 is a schematic diagram of a portion of the structure of fig. 8D according to the present invention.
Fig. 10 is a schematic diagram of the structure of an enlarged part E in fig. 8.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1-roadway drainage asphalt pavement, 101-slurry seal, 102-coarse-grained asphalt mixture, 103-emulsified asphalt slurry seal, 104-permeable cushion layer, 105-cement-stabilized macadam, 106-roadbed matched macadam, 2-pedestrian-roadway permeable brick pavement, 201-medium sand leveling layer, 202-permeable cement concrete base layer, 3-sidewalk pavement drainage layer, 301-sidewalk drainage port, 30101-sewer pipe, 302-separation green belt, 303-buffer water storage tank, 4-middle protection plate, 5-protection grid, 501-support plate, 6-road dental stone, 7-concrete channel, 701-flow guide body, 702-channel internal drainage pipe, 703-butt-joint permeable cushion layer, 8-channel internal drainage port, 9-vortex drainage port, 901-arc drainage bridge, 902-filtering column, 10-greening planting disk, 11-outer drainage pipe.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 10:
the invention provides a sponge urban road structure for avoiding rainwater deposition on a road surface, which comprises a roadway drainage asphalt road surface 1, a slurry seal 101, a coarse-grained asphalt mixture 102, an emulsified asphalt slurry seal 103, a permeable cushion layer 104, cement stabilized macadam 105, roadbed matched macadam 106, a pedestrian road permeable brick road surface 2, a medium sand leveling layer 201, a permeable cement concrete base layer 202, a sidewalk road surface drainage layer 3, a sidewalk drainage port 301, a sewer pipe 30101, a separation greening belt 302, a buffer water storage tank 303, a middle protection plate 4, a protection grid 5, a support plate 501, curbstones 6, a concrete channel 7, a flow guide body 701, an in-channel drainage pipe 702, a butt-joint permeable cushion layer, an in-channel drainage port 8, a vortex drainage port 9, an arc drainage bridge 901, a filter column 902, a greening planting disc 10 and an outer drainage pipe 11; two symmetrical middle protection plates 4 are fixedly embedded at the inner end side edge of the roadway drainage asphalt pavement 1 through concrete, and a concrete channel 7 is arranged between the two middle protection plates 4; the bottom plane of the concrete channel 7 is embedded and sealed with a channel inner water outlet 8 which is separated from the greening planting disc 10 through concrete; the bottom of the inner drainage port 8 is communicated with an inner drainage pipe 702; the intersection of the two sides of the roadway drainage asphalt pavement 1 and the pedestrian roadway water permeable brick pavement 2 is fixedly connected with a curbstone 6 through concrete, a vortex drainage port 9 is embedded in the roadway drainage asphalt pavement 1 below the curbstone 6, and the lower end of the vortex drainage port 9 is communicated with an outer drainage pipe 11 embedded in the roadway drainage asphalt pavement 1; the outer side of the pedestrian road water permeable brick pavement 2 is a pedestrian road pavement drainage belt 3, and the structure of the pedestrian road pavement drainage belt 3 is a mode that a pedestrian road water outlet 301 and a separating green belt 302 are arranged at intervals; the lower end of the sidewalk drainage port 301 is communicated with a drainage pipe 30101 buried in the soil layer of the sidewalk pavement drainage belt 3; the lower end of the sewer pipe 30101 is connected to the external drainage pipe 11.
The pavement thickness of the roadway drainage asphalt pavement 1 is 4CM, 0.5CM slurry seal 101, 8CM coarse-grained asphalt mixture 102, 0.6CM emulsified asphalt slurry seal 103, and symmetrical wedge-shaped subgrade gravel 106 of the permeable cushion layers 104, 36CM cement stabilized gravel 105 and 15CM are sequentially paved below the roadway drainage asphalt pavement 1, the permeable cushion layers 104 can maintain the permeable effect of the pavement and disperse the pressure of each top surface layer, the cement stabilized gravel 105 provides bearing capacity and connects the subgrade gravel 106 with the permeable cushion layers 104, the slurry seal 101 and the emulsified asphalt slurry seal 103 can prevent reverse seepage, and the roadway has high porosity, is resistant to water drift, reduces water mist and glare, reduces water splashing, improves the driving safety in rain, reduces noise, provides and maintains good surface characteristics, The road surface marking has the characteristics of improving the visibility of road surface markings in wet weather and at night, improving the driving safety of the road surface, improving the skid resistance of the wet road surface and the like, and conforms to the concept of sponge city design.
The top of the cement stabilized macadam 105 is of a triangular convex structure towards two sides by taking the middle of the roadway drainage bituminous pavement 1 as a center, and the permeable cushion layer 104 is filled along the inclined surface of the cement stabilized macadam 105, so that water permeating from the upper part can permeate along two sides of the cement stabilized macadam 105, wherein the left part is taken as an example, rainwater flowing in the permeable cushion layer 104 on the left side can be discharged outside through the outer water discharge pipe 11, and rainwater flowing in the permeable cushion layer 104 on the right side can be discharged outside from the water discharge port 8 in the channel through the preset butt joint permeable cushion layer 703 in the concrete channel 7.
Wherein, the thickness of paving of the brick road surface 2 that permeates water of people's road is 6CM, and 2 below of the brick road surface of people's road permeates water and has laid 3CM middlings screed-coat 201, 10CM cement concrete basic unit 202 and 10 CM's road bed in proper order and join in marriage rubble 106 to make the pavement can reach the rate of permeating water more than 70%, and can build the natural living environment of low carbon environmental protection, keep the ecological balance in city, keep good water permeability, the moisture retention on ground.
Wherein, concrete channel 7 is whole to be V type structure, and the even interval is provided with the baffle 701 of the cuboid form that is parallel to each other on concrete channel 7's the both sides wall to must be carried out the water conservancy diversion by the overhead rainwater that comes of on the roadway drainage bituminous paving 1 and the top, can filter the impurity such as leaf in the rainwater at the in-process of water conservancy diversion, prevent to block up interior drain pipe 702 of canal.
Wherein, two fixedly connected with protection grid 5 between the opposite face bottom of well guard plate 4, and even interval is provided with the backup pad 501 of semiellipse shape between the protection grid 5 to the opening of rectangle is seted up with planting technique dish 10 corresponding position on the protection grid 5, thereby makes protection grid 5 enough form the protection to concrete channel 7, can provide growing space again for planting technique dish 10 median vegetation, can prevent again that passerby from turning over, has increased driving safety.
Wherein, way dental calculus 6 is whole to be the L column structure that falls, and 9 positions of swirl outlet are just shielded by the part that way dental calculus 6 stretches out inwards to make swirl outlet 9 be in half hidden state, and then make the dust that produces on the way dental calculus 6 be difficult to enter into swirl outlet 9, reduced the jam probability of swirl outlet 9.
Twelve arc-shaped drainage bridges 901 are arranged on the vortex drainage port 9, four layers of filter columns 902 which are staggered with each other are filled in the arc-shaped drainage bridges 901, the vortex drainage port 9 adopts a vortex-shaped structure, so that the water flow generates vortex flow to accelerate the flow speed, different impurities in the water flow can be effectively separated, and the problem of blockage of the filter columns 902 is solved while the drainage quantity is ensured by adopting the combination of the arc-shaped drainage bridges 901 and the filter columns 902.
Wherein, the crossing department of people's road brick surface 2 that permeates water and 3 of pavement road surface drainage layers is fixed to be seted up recessed buffering aqua storage tank 303 to make the rainwater of following on the brick surface 2 that permeates water by people's road, when buffering aqua storage tank 303, can obtain short dwell time, with the gravel deposit of rainwater, avoid blockking up.
The specific use mode and function of the embodiment are as follows:
in the invention, the pavement thickness of the roadway drainage asphalt pavement 1 is 4CM, a slurry seal 101 with 0.5CM, a coarse-grained asphalt mixture 102 with 8CM, an emulsified asphalt slurry seal 103 with 0.6CM, and roadbed matched crushed stones 106 with symmetrical wedges such as the permeable cushion 104, the 36CM cement stabilized crushed stones 105 and the 15CM are sequentially paved below the roadway drainage asphalt pavement 1, the permeable cushion 104 can maintain the permeable effect of the pavement and disperse the pressure of each top surface layer, the cement crushed stones 105 provide bearing capacity and connect the roadbed matched crushed stones 106 with the permeable cushion 104, the slurry seal 101 and the emulsified asphalt slurry seal 103 can prevent reverse seepage, and the roadway has high porosity, is resistant to water drift, reduces water mist and glare, reduces splashed water, improves the driving safety in rain, reduces noise, can provide and maintain good surface characteristics, and the like, The pavement structure has the advantages that the visibility of pavement markings in wet weather and at night is improved, the driving safety of the pavement is improved, the skid resistance of the wet pavement is improved, and the like, and the pavement structure conforms to the concept of sponge city design, the thickness of the pavement structure 2 of the pedestrian road water permeable brick is 6CM, a 3CM middle sand leveling layer 201, a 10CM water permeable cement concrete base layer 202 and 10CM roadbed matching broken stones 106 are sequentially paved below the pavement structure 2 of the pedestrian road water permeable brick, so that the water permeability of a sidewalk can reach more than 70%, a low-carbon environment-friendly natural living environment can be built, the ecological balance of a city is kept, good water permeability and moisture retention of the ground are kept, the concrete channel 7 is integrally of a V-shaped structure, and the parallel cuboid-shaped flow deflectors 701 are uniformly arranged on the two side walls of the concrete channel 7 at intervals, so that rainwater on the pavement structure 1 and above the pavement structure can be guided along the flow deflectors 701, in the diversion process, impurities such as leaves in rainwater can be filtered to prevent blocking of the drainage pipe 702 in the canal, the protection grids 5 are fixedly connected between the bottom ends of the opposite surfaces of the two middle protection plates 4, semi-elliptical support plates 501 are uniformly arranged between the protection grids 5 at intervals, rectangular openings are formed in the positions, corresponding to the greening planting discs 10, on the protection grids 5, so that the protection grids 5 can protect concrete channels 7, provide growing spaces for plant growth in the greening planting discs 10 and prevent passersby from crossing, the traffic safety is improved, twelve arc drainage bridges 901 are formed in the vortex drainage port 9, four layers of filter columns 902 which are staggered with each other are filled in the arc drainage bridges 901, the vortex drainage port 9 adopts a wheel-shaped structure, and the flow speed is accelerated when vortex is generated by water flow, can effectively separate different debris in the rivers to adopt arc drainage bridge 901 and filter column 902's combination to set up and to have solved the problem of filtering column 902 jam again when guaranteeing the displacement.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (2)

1. Avoid road surface rainwater deposit's sponge urban road structure, its characterized in that: the sponge urban road structure capable of avoiding rainwater deposition on the road surface comprises a roadway drainage asphalt road surface, a slurry seal, a coarse-grained asphalt mixture, an emulsified asphalt slurry seal, a permeable cushion layer, cement-stabilized macadam, roadbed-matched macadam, a pedestrian road permeable brick road surface, a medium sand leveling layer, a permeable cement concrete base layer, a sidewalk pavement drainage layer, a sidewalk sewer pipe, a separation green belt, a buffer water storage tank, a middle protection plate, a protection grid, a support plate, curbstone, a concrete channel, a flow guide body, an in-channel drainage pipe, a butt-joint permeable cushion layer, an in-channel drainage port, a vortex drainage port, an arc drainage bridge, a filter column, a greening planting disc and an outer drainage pipe; two symmetrical middle protection plates are fixedly embedded at the side edge of the inner end of the roadway drainage asphalt pavement through concrete, and a concrete channel is arranged between the two middle protection plates; the bottom plane of the concrete channel is embedded and sealed with an in-channel water outlet which is separated from the greening planting disc through concrete; the bottom of the water outlet in the canal is communicated with a water drainage pipe in the canal; the intersection of the two sides of the roadway drainage asphalt pavement and the pedestrian road permeable brick pavement is fixedly connected with curbstones through concrete, vortex water outlets are embedded in the roadway drainage asphalt pavement below the curbstones, and the lower ends of the vortex water outlets are communicated with outer drainage pipes embedded in the roadway drainage asphalt pavement; the outer side of the permeable brick pavement of the pedestrian road is a pavement drainage belt, and the pavement drainage belt is in a structure that a water outlet of the pedestrian road and a separation green belt are arranged at intervals; the lower end of the sidewalk drainage port is communicated with a drainage pipe buried in a soil layer of a pavement drainage zone of the sidewalk; the lower end of the sewer pipe is connected on an external drainage pipe, the pavement thickness of the roadway drainage asphalt pavement is 4CM, a slurry seal layer of 0.5CM, a coarse grain asphalt mixture of 8CM, an emulsified asphalt slurry seal layer of 0.6CM, symmetrical wedges are sequentially paved below the roadway drainage asphalt pavement, the permeable cushion layer, 36CM cement stabilized macadam and 15CM roadbed matched macadam, the pavement thickness of the pedestrian road permeable brick pavement is 6CM, a 3CM middle sand leveling layer, a 10CM permeable cement concrete base layer and 10CM roadbed matched macadam are sequentially paved below the pedestrian road permeable brick pavement, the concrete channel is integrally of a V-shaped structure, and cuboid-shaped flow deflectors which are parallel to each other are uniformly arranged on two side walls of the concrete channel at intervals, a protective grid is fixedly connected between the bottom ends of opposite surfaces of two middle protective plates, and semi-elliptical supporting plates are uniformly arranged among the protective grids at intervals, rectangular openings are formed in positions, corresponding to the greening planting discs, on the protective grids, the curbstones are integrally of inverted-L-shaped structures, vortex water outlets are just shielded by inward extending parts of the curbstones, twelve arc-shaped water discharging bridges are formed in the vortex water outlets, four layers of filter columns which are staggered mutually are filled in the arc-shaped water discharging bridges, and concave buffering water storage tanks are fixedly formed in the intersection positions of the permeable brick pavements of the pedestrian roads and the pavement water discharging layers.
2. The sponge urban road structure for avoiding rainwater deposition on the road surface according to claim 1, characterized in that: the top of the cement stabilized macadam is of a triangular convex structure towards two sides by taking the middle of the roadway drainage bituminous pavement as a center, and a permeable cushion layer is filled along the inclined surface of the cement stabilized macadam.
CN201811079192.4A 2018-09-17 2018-09-17 Sponge urban road structure capable of avoiding rainwater deposition on road surface Active CN109098064B (en)

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JP2005307706A (en) * 2004-04-16 2005-11-04 Usui Chiyoriyuu Shinto Gijutsu Kyokai Construction method for wet road
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KR100953421B1 (en) * 2009-07-03 2010-04-19 의왕개발 주식회사 Method of construction to overcanopy asphlat concrete for concrete pavement road repair more and that outlet is installation bridge decks surfacing and scattered dust colander
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CN207259888U (en) * 2017-07-03 2018-04-20 威海市公路勘察设计院 A kind of sponge urban road sinking greenbelt
CN207512532U (en) * 2017-11-30 2018-06-19 安徽省高迪科技有限公司 A kind of sponge-type road drainage structure
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