CN115287968B - Water-permeable pavement system and construction method thereof - Google Patents
Water-permeable pavement system and construction method thereof Download PDFInfo
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- CN115287968B CN115287968B CN202210848302.9A CN202210848302A CN115287968B CN 115287968 B CN115287968 B CN 115287968B CN 202210848302 A CN202210848302 A CN 202210848302A CN 115287968 B CN115287968 B CN 115287968B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
- E01C11/226—Coherent pavings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
- E01C19/4806—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with solely rollers for consolidating or finishing
- E01C19/482—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with solely rollers for consolidating or finishing the materials being uncoated stone or similar granular materials, e.g. sand
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C21/00—Apparatus or processes for surface soil stabilisation for road building or like purposes, e.g. mixing local aggregate with binder
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Abstract
A permeable pavement system and a construction method thereof relate to the field of road construction. The permeable pavement system comprises a pavement structure and a permeable pavement structure, wherein road curbs are respectively arranged on two sides of the pavement structure, the permeable pavement structure comprises a broken stone cushion layer, a permeable concrete layer, a middle sand cushion layer and a permeable brick layer which are sequentially arranged from bottom to top, the permeable pavement structure further comprises a permeable pipe buried in the permeable concrete layer and a plurality of rainwater collection modules, the bottoms of the rainwater collection modules extend into the permeable concrete layer, and at least one water collecting well communicated with the permeable pipe is further arranged on the top surface of the pavement structure; the rainwater collection module comprises a pair of partition plates which are oppositely arranged and detachably connected, and a plurality of water seepage cylinders which are fixed between the two partition plates, wherein a biochar filter layer, a sand cushion layer and a planting soil layer which are sequentially arranged from bottom to top are filled between the two partition plates. The permeable pavement system and the construction method thereof can realize stagnation, permeation, purification and storage of rainwater and strengthen prevention of flood disasters in rare heavy rainfall weather.
Description
Technical Field
The application relates to the field of road construction, in particular to a water-permeable pavement system and a construction method thereof.
Background
The water permeable pavement system is one of facilities widely applied in road sponge city construction, and can effectively reduce negative effects of urbanization on the water circulation process. However, the conventional permeable pavement system generally comprises a broken stone cushion layer, a permeable concrete layer, a middle sand cushion layer and a permeable brick layer which are paved in sequence from bottom to top, and the permeable pavement system only aims at the water seepage problem of the pavement on one side, cannot remove pollutants such as greasy dirt, nitrogen and phosphorus in the rainfall runoff, easily causes serious environmental pollution problem, and reduces the bearing capacity of the permeable pavement system while pursuing permeability.
Disclosure of Invention
The application aims to provide a permeable pavement system and a construction method thereof, which can realize stagnation, permeation, purification and accumulation of rainwater and strengthen the prevention of flood disasters in rare heavy rainfall weather.
Embodiments of the present application are implemented as follows:
the embodiment of the application provides a permeable pavement system, which comprises pavement structures, wherein road curbstone structures are respectively arranged on two sides of the top surface, the top surface of each pavement structure is also provided with a permeable pavement structure positioned between the road curbstone structures on two sides, each permeable pavement structure comprises a broken stone cushion layer, a permeable concrete layer, a middle sand cushion layer and a permeable brick layer which are sequentially arranged from bottom to top, each permeable pavement structure further comprises a permeable pipe embedded in the permeable concrete layer, a plurality of rainwater collection modules, the bottoms of the rainwater collection modules penetrate through the permeable brick layer and the middle sand cushion layer and extend into the permeable concrete layer, at least one water collecting well communicated with the permeable pipe is further arranged on the top surface of the pavement structure, and the water collecting well is arranged on one side, far away from the permeable pavement structure, of the road curbstone structures; the rainwater collection module comprises a pair of partition plates which are oppositely arranged and detachably connected, and a plurality of water seepage cylinders which are fixed between the two partition plates, wherein a biochar filter layer, a sand cushion layer and a planting soil layer which are sequentially arranged from bottom to top are filled between the two partition plates.
In some alternative embodiments, the top surface of one side of the pavement structure is also provided with a green planting soil layer and a water collecting tank buried in the green planting soil layer, and the water penetrating pipe is communicated with the water collecting tank.
In some alternative embodiments, two separation plates of the rainwater collection module are clamped by a plurality of groups of corresponding sleeves and clamping rods.
In some alternative embodiments, the bottoms of the two separator plates of the rainwater collection module are clamped by corresponding connecting plates and connecting plate clamping grooves.
In some alternative embodiments, the bottom of the two partition plates of the rainwater collection module is provided with a base reinforcing rib with a U-shaped cross section, and the bottom and two ends of the base reinforcing rib are respectively connected with the connecting plate and the two partition plates.
In some alternative embodiments, the partition plate side walls are provided with medium sand bedding layer marking lines and gravel bedding layer marking lines corresponding to the heights of the gravel bedding layers and the medium sand bedding layers.
In some alternative embodiments, the top of the water seepage cylinder is provided with a positioning plate, the positioning plate is connected with the inner wall of the water seepage cylinder through a plurality of reinforcing ribs, and the positioning plate is provided with a positioning hole positioned on the axis of the water seepage cylinder.
The application also provides a construction method of the water permeable pavement system, which comprises the following steps:
constructing to obtain a pavement structure, road curbstone and a water collecting well;
paving a broken stone cushion layer between road curbstones on two sides of the top surface of the pavement structure;
the construction of the lower part of the permeable concrete layer is carried out, then the positioning pay-off of the rainwater collecting module is carried out, the permeable pipes, the partition plates of each rainwater collecting module and the permeable cylinders are installed, the construction of the upper part of the permeable concrete layer is carried out, the biological carbon filter layer, the middle sand cushion layer and the planting soil layer are respectively filled between the two partition plates of each rainwater collecting module from bottom to top in sequence, and the construction of the middle sand cushion layer and the permeable brick layer is carried out.
In some alternative embodiments, when installing the rainwater collection module, the positioning rule is used for positioning and installing the adjacent seepage cylinders, the positioning rule comprises a positioning channel, at least two sliding blocks which are slidably arranged in the positioning channel and positioning needles which are connected with the sliding blocks in a one-to-one correspondence manner, the sliding blocks are configured to move along the length direction of the positioning channel, the outer wall of the positioning channel is provided with a distance dimension line extending along the length direction of the positioning channel, and the positioning needles are configured to extend out of the positioning channel and detachably connected with the tops of the seepage cylinders.
The beneficial effects of the application are as follows: the water-permeable pavement system comprises pavement structures, wherein road curbstone layers are respectively arranged on two sides of the top surface of the pavement structure, the pavement structures are arranged between the road curbstone layers on two sides, each pavement structure comprises a broken stone cushion layer, a water-permeable concrete layer, a middle sand cushion layer and a water-permeable brick layer which are sequentially arranged from bottom to top, each pavement structure further comprises a water-permeable pipe buried in the water-permeable concrete layer, a plurality of rainwater collecting modules, the bottoms of the rainwater collecting modules penetrate through the water-permeable brick layer and the middle sand cushion layer and extend into the water-permeable concrete layer, at least one water collecting well communicated with the water-permeable pipe is further arranged on the top surface of the pavement structure, and the water collecting well is arranged on one side, far away from the water-permeable pavement structure, of the road curbstone layers; the rainwater collection module comprises a pair of partition plates which are oppositely arranged and detachably connected, and a plurality of water seepage cylinders which are fixed between the two partition plates, wherein a biochar filter layer, a sand cushion layer and a planting soil layer which are sequentially arranged from bottom to top are filled between the two partition plates. According to the permeable pavement system and the construction method thereof, through the arrangement of the rainwater collection module matched with the permeable pavement structure, stagnation, permeation, purification and storage of rainwater can be realized, and flood disaster prevention in rare heavy rainfall weather is enhanced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of a water permeable pavement system according to an embodiment of the present application;
fig. 2 is a schematic cross-sectional structural view of a broken stone cushion layer, a permeable concrete layer, a middle sand cushion layer, a permeable brick layer and a rainwater collection module in the permeable pavement system according to the embodiment of the application;
FIG. 3 is a schematic cross-sectional view of a water permeable pavement system according to an embodiment of the present application;
fig. 4 is a schematic partial structural view of a filling structure between two partition plates of a rainwater collecting module in a water permeable pavement system according to an embodiment of the present application;
fig. 5 is a schematic view of a partial structure of a first view angle of a rainwater collecting module in a water permeable pavement system according to an embodiment of the present application;
FIG. 6 is a schematic view of a partial cross-sectional structure of a second view of a rainwater collection module in a water permeable pavement system according to an embodiment of the present application;
FIG. 7 is a schematic view of a partial structure of a pair of partition plates of a rainwater collecting module in a water permeable pavement system according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a seepage cylinder of a rainwater collection module in a water seepage paving system according to an embodiment of the present application;
FIG. 9 is a schematic view of a partial structure of a positioning rule at a first view angle in a construction method of a water permeable pavement system according to an embodiment of the present application;
fig. 10 is a schematic view of a partial structure of a second view angle of a positioning rule in a construction method of a water permeable pavement system according to an embodiment of the present application.
In the figure: 100. a pavement structure; 101. a plain soil layer; 110. road curbstone; 120. a gravel cushion layer; 130. a water permeable concrete layer; 140. a middle sand cushion layer; 150. a water permeable brick layer; 160. a water permeable pipe; 170. a water collecting well; 180. a green planting soil layer; 181. a pebble layer; 190. a water collection tank; 200. a rainwater collection module; 210. a partition plate; 211. a middle sand cushion mark line; 212. a broken stone cushion layer mark line; 220. a water seepage cylinder; 221. a positioning plate; 222. reinforcing ribs; 223. positioning holes; 230. a biochar filter layer; 240. sand cushion in the module; 250. planting a soil layer; 260. a sleeve; 270. a clamping rod; 280. a connecting plate; 290. a connecting plate clamping groove; 300. a base reinforcing rib; 310. positioning the channel; 320. a slide block; 330. a positioning needle; 340. a distance dimension line; 350. positioning a marking block; 360. a polytetrafluoroethylene plate; 370. a rubber patch; 400. and (5) connecting pipes.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the product of the application, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The characteristics and performances of the water permeable pavement system and the construction method thereof according to the present application are described in further detail below with reference to examples.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8, the embodiment of the application provides a water permeable pavement system, which comprises a pavement structure 100, wherein road curbs 110 are respectively arranged at two sides of the top surface, a water permeable pavement structure is further arranged at the top surface of the pavement structure 100 and is positioned between the road curbs 110 at two sides, the water permeable pavement structure comprises a plain soil layer 101, a macadam cushion layer 120, a water permeable concrete layer 130, a middle sand cushion layer 140 and a water permeable brick layer 150 which are sequentially arranged from bottom to top, the water permeable brick layer 150 is formed by splicing and paving water permeable bricks, the water permeable pavement structure further comprises a folded water permeable pipe 160 buried in the water permeable concrete layer 130, a rainwater collecting module 200, the bottom of which penetrates through the water permeable brick layer 150 and extends to the water permeable concrete layer 130, a water collecting well 170, the bottom of which is communicated with the water permeable pipe 160 is further arranged at the top surface of the pavement structure 100, the water collecting well 170 is arranged at one side of the road curbs 110, the water permeable pipe 160 is a pipeline, the water permeable pipe 160 is provided with water permeable holes, and the water permeable pipe 160 is a water permeable brick layer is provided with water permeable layer and water permeable layer 140, which is a water permeable layer and a water permeable filler is used to prevent the water permeable holes from blocking; the rainwater collecting module 200 comprises a pair of oppositely arranged and detachably connected partition plates 210 and water permeable cylinders 220 which are arranged at intervals and fixed between the two partition plates 210, a biochar filter layer 230, a sand cushion layer 240 and a planting soil layer 250 which are sequentially arranged from bottom to top are filled between the two partition plates 210, wherein four folded-line-shaped rainwater collecting modules 200, four folded-line-shaped water permeable brick strips and triangular water permeable brick strips are respectively arranged in an area formed by surrounding between the folded-line-shaped water permeable pipes 160 and the road curbstones 110 on two sides, the rainwater collecting modules 200 and the water permeable brick strips are alternately arranged, and the four rainwater collecting modules 200 comprise three, five, seven and nine water permeable cylinders 220. The two separation plates 210 of the rainwater collection modules 200 are clamped by forty-eight groups of corresponding sleeves 260 and clamping rods 270, wherein twenty-four sleeves 260 and clamping rods 270 are connected to the side part of one separation plate 210 in each rainwater collection module 200, and twenty-four clamping rods 270 and sleeves 260 which are correspondingly clamped are connected to the side part of the other separation plate 210; a connection plate 280 is connected to the bottom of one partition plate 210 in each rainwater collection module 200, and a connection plate clamping groove 290 for clamping the connection plate 280 is connected to the bottom of the other partition plate 210. The bottom of the two separation plates 210 in the rainwater collecting module 200 is provided with a base reinforcing rib 300 having a U-shaped cross section, and the bottom and both ends of the base reinforcing rib 300 are respectively connected with the connection plate 280 and the two separation plates 210. Each partition plate 210 is provided with a middle sand bedding course marking line 211 and a stone bedding course marking line 212 corresponding to the heights of the stone bedding course 120 and the middle sand bedding course 140 at the side wall. The top of the seepage cylinder 220 is provided with a positioning plate 221, the positioning plate 221 is connected with the inner wall of the seepage cylinder 220 through eight reinforcing ribs 222, and the positioning plate 221 is provided with a positioning hole 223 positioned on the axis of the seepage cylinder 220; the top surface of one side of the pavement structure 100 is also provided with a green planting soil layer 180 and a pebble layer 181 arranged on the top surface of the green planting soil layer 180, a water collecting tank 190 is arranged in the green planting soil layer 180 below the pebble layer 181, and the water permeable pipe 160 is communicated with the water collecting tank 190 through a connecting pipe 400.
The application also provides a construction method of the water permeable pavement system, which comprises the following steps:
performing road subgrade construction, removing bad soil under the subgrade, filling subgrade materials, compacting the subgrade materials to a pavement structure layer in layers to obtain a pavement structure 100, performing road curbstone 110 construction, constructing one side of the road curbstone 110 to obtain a water receiving well 170, and forming an opening communicated with the water receiving well 170 on the road curbstone 110;
paving a broken stone cushion layer 120 between road curbs 110 on two sides of the top surface of the pavement structure 100, paving the broken stone cushion layer 120 uniformly for one time according to the virtual paving thickness, compacting the broken stone cushion layer by layers by using a vibratory roller with the thickness of more than 20t, spreading coarse sand in broken stone gaps, and carrying out survival maintenance;
the permeable concrete layer 130 is constructed twice, the base layer is flattened, water is sprayed and wet, the permeable concrete is mixed, evenly spread, a rolling tool or a low-frequency vibrator is leveled and a finishing machine is used for finishing the surface, after the construction is finished, the membrane is covered and maintained, concrete blocking and joint treatment are carried out until the design requirement is met, after the lower permeable concrete reaches a certain strength, positioning and paying-off of the rainwater collecting modules 200 are carried out, the permeable pipes 160, the partition plates 210 and the water seepage cylinders 220 of the rainwater collecting modules 200 are installed, the pair of partition plates 210 of the rainwater collecting modules 200 are clamped through the corresponding sleeves 260 and the clamping rods 270, and are clamped through the corresponding connecting plates 280 and the connecting plate clamping grooves 290, the corresponding water seepage cylinders 220 are fixed in the pair of partition plates 210 at intervals, then the upper part of the permeable concrete layer 130 is constructed and is fixed with the partition plates 210 of the rainwater collecting modules 200, the biological carbon filter layer 230, the module middle sand cushion layer 240 and the planting soil layer 250 are sequentially filled from bottom to top between the two partition plates 210 of the rainwater collecting modules 200, and the middle sand cushion layer 140 and the permeable brick layer 150 are constructed. As shown in fig. 9 and 10, when the rainwater collecting module 200 is installed, the positioning rule is used for positioning and installing the adjacent water seepage cylinders 220, the positioning rule comprises a positioning channel 310, at least two sliding blocks 320 which are slidably arranged in the positioning channel 310, and positioning pins 330 which are in one-to-one correspondence connection with the sliding blocks 320, the sliding blocks 320 can move along the length direction of the positioning channel 310, distance dimension lines 340 which extend along the length direction of the sliding blocks are arranged on the outer walls of the positioning channel 310, the positioning pins 330 are used for extending out of the positioning channel 310 and are inserted into positioning holes 223 on a positioning plate 221 on the top of the water seepage cylinders 220, positioning pins 330 are connected with positioning mark blocks 350 which extend to the position of the outer walls of the positioning channel 310 and are located at the distance dimension lines 340, polytetrafluoroethylene plates 360 are arranged on the outer walls of the positioning channel 310, when the sliding blocks 320 move along the length direction of the positioning channel 310, the positioning mark blocks 350 which are connected with the positioning pins 330 are driven to move along the polytetrafluoroethylene plates 360, and rubber patches 370 are respectively arranged between the bottoms of the sliding blocks 320 and the inner walls of the positioning channel 310.
The method comprises the steps of paving a green planting soil layer 180 and a water collecting tank 190 buried in the green planting soil layer 180 on the top surface of one side of a pavement structure 100, enabling the water collecting tank 190 to be communicated with a permeable pipe 160 through a connecting pipe 400 buried in the green planting soil layer 180, paving a pebble layer 181 on the top surface of the green planting soil layer 180, planting ryegrass for greening in a planting soil layer 250 between two partition plates 210 of a rainwater collecting module 200, and planting waterlogging-resistant green plants in the green planting soil layer 180.
The permeable pavement system provided by the embodiment of the application collects road rainwater by arranging the water collecting well 170 at the road curbstone 110 of the pavement structure 100, and introduces the rainwater collected by the water collecting well 170 into the permeable concrete layer 130 of the pavement structure 100 to the water collecting tank 190 in the green planting soil layer 180 for storage and irrigation, meanwhile, the permeable pavement structure arranged between the road curbstone 110 of the pavement structure 100 is used for carrying out stagnation, permeation, purification and storage on the rainwater, and the prevention of flood disasters in rare heavy rainfall weather is enhanced.
The permeable pavement structure comprises a plain soil layer 101, a broken stone cushion layer 120, a permeable concrete layer 130, a middle sand cushion layer 140, a permeable brick layer 150 and a plurality of rainwater collection modules 200, wherein the lower parts of the plain soil layer 101, the broken stone cushion layer 120, the permeable concrete layer 130, the middle sand cushion layer 140 and the permeable brick layer 150 are sequentially paved from bottom to top, the bottoms of the rainwater collection modules 200 penetrate into the permeable concrete layer 130, the rainwater collection modules 200 comprise a pair of split partition plates 210 which are arranged in a folding way and water seepage cylinders 220 which are arranged at intervals and are fixed between the two partition plates 210, a biochar filter layer 230, a middle sand cushion layer 240 and a planting soil layer 250 which are sequentially arranged from bottom to top are filled between the two partition plates 210, so that rainwater can be stagnant, permeated, purified and reserved, thereby not only improving the pavement rainwater filtering function, but also improving the pavement natural landscape effect; meanwhile, the water seepage barrel 220 can collect rainwater and slowly permeate to the water seepage pipe 160 below to collect the rainwater, so that the rainwater collection and detention effect is effectively improved, the rainwater collection module 200 formed by the water seepage barrel 220 and the pair of detachably connected partition plates 210 has the advantages of positioning, water seepage and structural functions, road structure integrity and bearing capacity improvement, repeated disassembly and recycling, and environmental protection.
When the rainwater collecting module 200 is constructed, two adjacent water seepage cylinders 220 are positioned and installed by using the positioning ruler, positioning pins 330 which are respectively connected with two sliding blocks 320 which are arranged in the positioning channels 310 of the positioning ruler are respectively clamped in positioning holes 223 on the positioning plates 221 at the tops of the two water seepage cylinders 220, and the distance between the two sliding blocks 320 can be checked by using positioning mark blocks 350 which are connected with the two positioning pins 330 and extend to the positions of the outer walls of the positioning channels 310 and the dimension lines 340, so that constructors can conveniently confirm the distance between the two water seepage cylinders 220, and the construction efficiency is improved. The positioning channel 310 outer wall is equipped with polytetrafluoroethylene board 360, slider 320 drives the location mark piece 350 that the pilot pin 330 is connected when moving along positioning channel 310 length direction and removes along polytetrafluoroethylene board 360, be equipped with rubber paster 370 respectively between slider 320 bottom and the positioning channel 310 inner wall, can improve the smoothness that slider 320 drove location mark piece 350 along positioning channel 310 removal, improve the operating efficiency, through using the location chi location and installing two adjacent infiltration barrels 220, can improve the overall stability of unwrapping wire efficiency and rainwater collection module 200 installation, and be convenient for the row brick construction of water brick layer 150, improve water brick layer 150 and lay quality and efficiency.
The embodiments described above are some, but not all embodiments of the application. The detailed description of the embodiments of the application is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Claims (7)
1. The permeable pavement system comprises pavement structures, wherein road curbstones are respectively arranged on two sides of the top surface, the top surface of the pavement structure is also provided with permeable pavement structures positioned on two sides and between the road curbstones, the permeable pavement structures comprise gravel cushion layers, permeable concrete layers, middle sand cushion layers and permeable brick layers which are sequentially arranged from bottom to top, the permeable pavement structures also comprise permeable pipes buried in the permeable concrete layers and rainwater collection modules, the bottoms of the permeable pipe and the plurality of bottoms penetrate through the permeable brick layers, the middle sand cushion layers extend into the permeable concrete layers, the top surface of the pavement structure is also provided with at least one water collecting well communicated with the permeable pipes, and the water collecting well is arranged on one side, far away from the permeable pavement structures, of the road curbstones; the rainwater collection module comprises a pair of oppositely arranged and detachably connected partition plates and a plurality of water seepage cylinders fixed between the two partition plates, and a biochar filter layer, a sand cushion layer in the module and a planting soil layer which are sequentially arranged from bottom to top are filled between the two partition plates; the two separation plates of the rainwater collection module are clamped and connected through a plurality of groups of corresponding sleeves and clamping rods.
2. The permeable pavement system according to claim 1, wherein the top surface of one side of the pavement structure is further provided with a green planting soil layer and a water collecting tank buried in the green planting soil layer, and the permeable pipe is communicated with the water collecting tank.
3. The water permeable pavement system of claim 1, wherein bottoms of two of the separator plates of the rainwater collection module are clamped by corresponding connecting plates and connecting plate clamping grooves.
4. A water permeable pavement system according to claim 3, wherein the bottoms of the two partition plates of the rainwater collecting module are provided with base reinforcing ribs with U-shaped cross sections, and the bottoms and the two ends of the base reinforcing ribs are respectively connected with the connecting plate and the two partition plates.
5. The water permeable pavement system of claim 1, wherein the partition plate side walls are provided with a medium sand bedding layer marking line and a medium sand bedding layer marking line corresponding to the heights of the crushed stone bedding layer and the medium sand bedding layer.
6. The permeable pavement system according to claim 1, wherein the top of the water seepage cylinder is provided with a positioning plate, the positioning plate is connected with the inner wall of the water seepage cylinder through a plurality of reinforcing ribs, and the positioning plate is provided with positioning holes positioned on the axis of the water seepage cylinder.
7. The construction method of the water permeable pavement system according to claim 1, comprising the steps of:
constructing to obtain the pavement structure, the road curbstone and the water collecting well;
paving a broken stone cushion layer between the road curbstone on two sides of the top surface of the pavement structure;
performing construction of the lower part of the permeable concrete layer, then performing positioning paying-off of the rainwater collecting modules, mounting the permeable pipes, the partition plates of each rainwater collecting module and the permeable cylinders, performing construction of the upper part of the permeable concrete layer, and sequentially filling a biochar filter layer, a module middle sand cushion layer and a planting soil layer between the two partition plates of each rainwater collecting module from bottom to top, and performing construction of the middle sand cushion layer and the permeable brick layer;
when the rainwater collecting module is installed, the positioning rule is used for positioning and installing adjacent seepage cylinders, the positioning rule comprises a positioning channel, at least two sliding blocks arranged in the positioning channel in a sliding mode and positioning needles connected with the sliding blocks in a one-to-one correspondence mode, the sliding blocks are configured to move along the length direction of the positioning channel, distance dimension lines extending along the length direction of the positioning channel are arranged on the outer wall of the positioning channel, and the positioning needles are configured to extend out of the positioning channel and detachably connected with the tops of the seepage cylinders.
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