43 results about "Permeable paving" patented technology

The invention discloses a sponge city seepage and drainage structure and a sponge city water circulation system, and relates to the technical field of sponge city construction. A capillary air flotation grading pretreatment unit, a rhizosphere electro-catalysis layer and a mineral conversion filler layer are sequentially arranged below the permeable pavement layer in the rainwater permeation direction, and the drainage layer is a piezoelectric drainage layer; according to the method, blockages are subjected to capillary air flotation classification, minerals are converted into purification carriers, solid waste outward transportation is avoided, and heavy metal pollution is prevented; the water circulation end depends on photovoltaics, an external power grid is not needed, and carbon is reduced; sensor linkage adapts to a purification mode of high / low-pollution rainwater, and a straw self-cleaning function at the seepage and drainage end is prevented from being interrupted; the magnetic sensitive medium is prepared by converting blockages, outsourcing is avoided, and the cost is reduced; the ultrafine particles in the by-products assist in purification, the uleucite is used for preparing the pervious concrete, and the zeolite is used for improving the soil, so that environmental protection and resource regeneration are realized.

The invention discloses a municipal sidewalk permeable paving structure based on a sponge city concept and a paving method, and relates to the field of sidewalk permeable paving structures.The municipal sidewalk permeable paving structure comprises a plurality of permeable plates and a drainage ditch frame, a plurality of first water through grooves are formed in the permeable plates, and a plurality of water inlet holes communicated with the first water through grooves are formed in the tops of the permeable plates; according to the municipal sidewalk permeable paving structure based on the sponge city concept and the paving method, rainwater enters the first water through groove through the water inlet hole in the top of the permeable plate and then flows into the drainage ditch frame through the second water through groove. The drainage ditch frame can collect rainwater in a centralized mode, in heavy rain, redundant rainwater is discharged through the drainage pipe on the water baffle, and water accumulation is avoided. The drainage mode can cope with rainfall of different intensities, ensures that urban roads are smooth in rainy days, and reduces the waterlogging risk. Meanwhile, rainwater is discharged through the water through grooves and cannot enter the laid foundation surface, the connecting position of the foundation surface and the permeable plate is prevented from loosening, and the mounting stability of the permeable plate is further improved.

The invention relates to the technical field of urban green land planning, in particular to a landscape configuration method and system for improving the thermal equivalent temperature of an urban green land in a hot-summer and cold-winter region, and the method comprises the steps: carrying out the simulation of various green land layouts through the fusion of historical weather and wind data, screening out a target layout with the lowest physiological equivalent temperature, and carrying out the simulation of the layout. The restriction of summer high temperature on leisure activities of citizens is effectively relieved, and the core function of the green land is guaranteed. Through element effect analysis and response surface modeling, synergistic interaction and antagonism among different landscape elements (vegetation, water and permeable pavement) are quantitatively identified, cooling benefit weakening caused by improper configuration is avoided, and a design decision is more scientific in basis. And finally, constructing an overall optimization model which takes the physiological equivalent temperature minimization as a target and takes the cost constraint and the element value constraint into consideration, and solving an optimal element configuration scheme which takes the cooling effect and the economical efficiency into consideration. And an operable technical path is provided for high-quality and refined design of the urban green land.

The invention discloses a preparation method of a water-permeable material for a water-permeable tree surrounding brick, belongs to the technical field of preparation of water-permeable brick materials, and aims to solve the technical problem that the mechanical property and durability of the water-permeable tree surrounding brick prepared from the water-permeable material in the prior art need to be further improved. The zwitterionic grafted porous silicon-aluminum dispersion, the magnesium-silicon gel composite magnesium carbonate dispersion and the ettringite composite hydroxyapatite whisker are introduced in the preparation process, and a continuous cementation structure, an interface transition structure and a space constraint support structure are cooperatively constructed on different structural scales; a stable and matched composite system is formed among the cementing phase, the aggregate and the pore structure, and the coordination and stability of the whole structure of the water-permeable tree surrounding brick are effectively maintained through the synergistic configuration of the multiple components in the system, so that the structure integrity and the use reliability are considered while the material meets the water-permeable requirement; the method is suitable for the field of garden and municipal permeable pavement.

The utility model discloses a permeable pavement structure for residential districts, which sequentially comprises a rammed earth layer, a broken stone hardcore, a fine aggregate concrete layer, a dry and hard cement mortar layer and a plurality of water permeable bricks which are arranged in a tiled manner from bottom to top, and every two adjacent water permeable bricks are spliced together by adopting a mortise and tenon joint structure. According to the water-permeable pavement structure for the residential district, the water-permeable bricks with tenon-and-mortise structures are adopted, so that the water-permeable pavement structure not only has a good water-permeable effect and relieves the pressure of a drainage system, but also can effectively avoid the looseness of the bricks, prevent the differential settlement of a road and prolong the service life of the road.

The invention discloses an ecological pavement system for a green road and a percolation drainage method, and relates to the technical field of ecological pavement systems of roads, the ecological pavement system comprises a permeable pavement layer, a salt-resistant percolation assembly and a roadbed, the ecological paving system for the greening road further comprises a snow-melting agent salt intercepting assembly, a salt-resistant percolation assembly and a salt buffering and collecting assembly. The metal connecting piece salt corrosion prevention assembly is arranged, a polytetrafluoroethylene corrosion prevention sleeve physically isolates direct contact between a salt-containing water body and the metal clamping piece, a fluororubber sealing ring strengthens sealing of the connecting position, and meanwhile a zinc alloy sacrificial anode protection block is corroded preferentially due to lower electrode potential; cathode protection is provided for the metal clamping piece through the conductive copper sheet; therefore, electrochemical corrosion of a salt-containing water body to the metal connecting piece can be prevented, the service life of the metal connecting piece is greatly prolonged, loosening and displacement of the paving module caused by rusting failure of the connecting piece are avoided, and the stability of a road structure and the traffic safety are guaranteed.

This utility model discloses a permeable arched brick surface layer, comprising a compacted soil base layer, an impermeable membrane on the upper surface of the compacted soil base layer, a first crushed stone layer on the upper surface of the impermeable membrane, a second crushed stone layer on the upper surface of the first crushed stone layer, a third crushed stone layer on the upper surface of the second crushed stone layer, and an arched brick structure on the upper surface of the third crushed stone layer. The arched brick structure is made of concrete, reducing costs while possessing high strength. Protrusions and grooves are provided on the sidewalls of the arched bricks, arranged in a staggered pattern, specifically horizontally spaced to form permeable brick joints that accelerate rainwater runoff. This design is suitable for permeable paving in sponge city construction, reducing project costs. The brick structure accelerates rainwater infiltration, and the inclusion of the crushed stone layer and impermeable membrane enhances the rainwater storage capacity of the sponge city. After installation, the surface is highly flat, aesthetically pleasing, and durable.

The utility model provides a base-layer-free permeable paving module which comprises floor tiles, a supporting net and supporting piles, the floor tiles are paved above the supporting net, a plurality of supporting piles are arranged and supported below the supporting net at intervals, the ends, away from the supporting net, of the supporting piles are used for being supported in a soil layer, and the supporting net is arranged in an overhead mode through the supporting piles. According to the floor tile, the mesh holes are formed in the supporting net, after falling onto the floor tiles, rainwater flows to the edges of the floor tiles and flows downwards from the gap between every two adjacent floor tiles, and due to the existence of the mesh holes in the supporting net, the rainwater can smoothly penetrate through the supporting net and flow to the ground. The supporting net is supported through the supporting piles, the supporting net is arranged on the ground in an overhead mode, the ground does not need to be tamped in the construction process, the cost for tamping a base layer is saved, the production cost is reduced, meanwhile, no tamped ground layer exists, good water permeability performance is kept, and therefore rainwater can be rapidly absorbed, and the water accumulation situation is not likely to occur.

The utility model discloses a municipal afforesting road with assembled water-permeable pavement structure relates to building structure technical field, and the utility model discloses a roadbed soil layer is equipped with water-permeable afforesting road on the upper portion of roadbed soil layer for the quick laying and the discharge of precipitation of quick road, and the water-permeable afforesting road includes: water-permeable main road includes the broken stone cushion layer of laying on the upper surface middle part of roadbed soil layer, and the water-permeable main road of the application is formed by the staggered insertion of water-permeable precast brick (spliced building block), and the water channel in the middle part of building block and the water storage tank in fixed building block are mutually penetrated, form efficient catchment system to greatly improve the drainage capacity of road surface, effectively prevent waterlogging, and through the vertical insertion from the top of fixed building block and with the locking of both side building blocks, form the powerful transverse limit, and the dispersed building block is connected into the whole, and the structural stability and the anti -displacement ability of road surface are enhanced significantly, and the service life is prolonged.

1. The name of the design product: shallow regulation and storage water-permeable pavement. 2. The use of the design product: used in sidewalk, pavement square, parking lot and other places to infiltrate, store, collect and store runoff rainwater, and reduce non-point source pollution. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The invention discloses a modular gradient rainwater purification garden system, a monitoring method and a construction method. The existing rainwater garden system generally has the problems of non-standard structure and inconvenience in assembly. The system sequentially comprises a permeable pavement layer, a bioretention layer, a capillary guide and drainage layer and a water storage and reuse layer from top to bottom, each functional layer structure adopts a standard module unit, and the standard module units are connected through stainless steel tenon-and-mortise connectors in an inserted manner; waterproof rubber sealing rings and bentonite sealing strips are arranged at splicing seams of the standard module units; an intelligent monitoring unit is arranged in each functional layer and comprises a turbidity sensor, a pH sensor, a water level sensor and a temperature sensor; all the sensors are connected to the wireless module, and sensor data are uploaded to the cloud prediction platform through a network for centralized processing. According to the rainwater garden system, the flexibility and convenience of the rainwater garden system in the construction, installation and later maintenance processes are improved.

This utility model relates to the field of paving brick technology and discloses a high-quality permeable paving brick made of natural sand, including a permeable skeleton layer, a bottom layer of high-quality natural sand permeable paving bricks at the bottom of the permeable skeleton layer, and a top layer of high-quality natural sand permeable paving bricks at the top of the permeable skeleton layer. In use, the corresponding conical drainage channels and through holes are coaxial and connected, achieving dual-effect permeability through siphoning and flushing. When water flows through the surface layer of the high-quality natural sand permeable paving bricks, the conical drainage channels increase the flow velocity and generate negative pressure suction. When the water flow is large, a high-speed jet forms in the channels to flush away sediment. The bricks are arranged in a honeycomb pattern during laying, and the corresponding arc-shaped male tenons and arc-shaped female tenons form an interlocking structure. The curved joints can automatically level the angle, and the interlocking structure increases the effective permeable joint width, thus improving permeability. The drainage channels in the interlocking area can form a dual drainage channel with the vertical infiltration holes.

The invention discloses a solar permeable paving system integrating a drip irrigation system and intelligent technology, which is provided with an integrated drip irrigation cooling system to realize maximum energy efficiency and system life. Water from the drip irrigation system may be filtered and stored for garden irrigation and other domestic use. In one embodiment, the paving material includes a wood laminate block having an interchangeable durable cap secured thereto. Various embodiments of the paver include intelligent functions, such as sensors housed within wooden pavers and / or durable caps, solar cells, and LED lighting. A plurality of wooden pavers are disposed in the mounting base with a regularly defined distance between each paver creating a paving area, such as a courtyard, sidewalk, parking surface, and the like, while allowing water to permeate the surface and potentially reducing unwanted solar heating.

The utility model relates to the technical field of urban road systems, and discloses a sponge urban road system with a water storage function, which comprises an urban road, a permeable pavement layer, a sewage intercepting groove, a well water storage component and a rainwater filtering component, the well water storage component is positioned on one side, far away from the urban road, of the pavement layer, and the rainwater filtering component is positioned at the bottom of the permeable pavement layer; surface layers are arranged on the two sides of the urban road, permeable pavement layers are arranged at the bottoms of the surface layers, gutter inlets are formed in the joints of the two sides of the urban road and the surface layers, and sewage intercepting grooves are formed in the bottoms of the gutter inlets. According to the sponge urban road system with the water storage function, rainwater on an urban road is collected through the rainwater inlet, treated through the sewage intercepting groove and then discharged to the permeable pavement layer, and the permeable pavement layer is used, so that the rainwater can rapidly permeate into the ground, surface runoff is reduced, and the service life of the urban road is prolonged. And through the design of permeable gaps, a sand layer and a gravel layer at the bottom of the permeable pavement layer, the permeation and storage energy of rainwater is further improved.

The invention relates to a shallow-layer regulation and storage permeable pavement structure and a shallow-layer regulation and storage permeable road. The permeable pavement structure comprises a permeable pavement surface layer and a permeable pavement layer, the regulation and storage space module is arranged below the water-permeable pavement surface layer and is detachably connected with the water-permeable pavement surface layer; supporting modules are arranged in the regulation and storage space module, and a regulation and storage cavity is formed between the supporting modules. And the drainage flow guide part is arranged on one side of the regulation and storage space module and communicates with the regulation and storage cavity. A regulation and storage space module is detachably arranged below a permeable pavement surface layer, a regulation and storage cavity is formed in the regulation and storage space module and communicates with a drainage flow guide component, integration of water permeation, regulation and storage and drainage functions is achieved, the rainwater regulation and storage capacity is improved, accumulated water is drained in time, and reliability is improved; meanwhile, the detachable structure facilitates later maintenance.

The invention discloses a low-carbon permeable paving material and a preparation method thereof, the upper surface of a permeable concrete base layer and the lower surface of a permeable concrete surface layer of the paving material are corrugated, and the corrugated peaks and the corrugated valleys of the permeable concrete base layer and the permeable concrete surface layer are mutually inlaid and paved. Crushing fly ash, adding the regenerated powder, vermiculite, diatomite, bentonite and zeolite, and carrying out ball milling to obtain composite mineral powder; crushing an original pavement building material to obtain recycled aggregate; stirring the 7-10mm recycled aggregate with deionized water, mineral powder and polymer emulsion to obtain a permeable concrete base layer paving material; 3-7 mm recycled aggregate, deionized water, composite mineral powder and polymer emulsion are stirred to obtain a permeable concrete surface layer paving material, and a base layer is paved on a sand and gravel grading layer and is compacted and cured by a corrugated road roller to form a permeable concrete base layer of a corrugated structure; and paving the surface layer on the base layer, and compacting and curing by a road roller to form the low-carbon permeable pavement. The water permeable path is changed, the water permeable area and the water permeable mode are increased, blockage is prevented, and the water permeable efficiency is improved.

The utility model discloses an urban road waterlogging prevention and rainwater regulation and storage system which comprises a permeable pavement belt, a grass planting ditch and a rainwater garden which are arranged on at least one side of an urban road, the permeable pavement belt is arranged on the side edges of the grass planting ditch and the rainwater garden, the grass planting ditch and the rainwater garden are arranged on the same path at intervals, turf is planted on the grass planting ditch, and the rainwater garden is arranged in the grass planting ditch. The middle part of the grass planting ditch is lower than two sides of the grass planting ditch, and the grass planting ditch is provided with a diversion slope leading to an adjacent rainwater garden on the same path. The combined design of the permeable paving belt, the grass planting ditch and the rainwater garden is utilized. The permeable pavement belt is used for rapid water permeation, the grass planting ditch is used for collecting and transferring rainwater, the rainwater garden is used for collecting, regulating, storing and purifying runoff rainwater of adjacent roadways, sidewalks, non-motorized vehicle lanes and green belts along the line, the effects of solving road catchment, controlling runoff and purifying water are achieved, and by means of the road green space, the regulation and storage efficiency is high; the maintenance cost is low, and rainwater can be effectively purified.

A permeable paving structure that includes a stabilizer, a base course layer, and a wearing course layer. The stabilizer is adapted to be engaged with a ground surface in at least two planes. The base course layer operably engages with the stabilizer, and the wearing course layer operably engages with the base course layer and with the stabilizer. The stabilizer is configured to stabilize the base course layer and the wearing course layer in the at least two planes.

The application discloses a cement-based water-permeable pavement strength recovery agent and a use method thereof. The strength recovery maintenance agent comprises components A, B and C, wherein the component A comprises the following raw materials in percentage by weight: calcium salt 15-25%, fluorine-containing surfactant 3-5% and the balance of water; the component B comprises the following raw materials in percentage by weight: water-soluble modified chitosan 18-22%, water glass 20-35%, sodium fluorosilicate 5-10% and the balance of water; and the component C comprises the following raw materials in percentage by weight: calcium salt 35-45%, fluorine-containing surfactant 3-5%, thickening agent 12-25% and the balance of water. The strength recovery agent is sprayed to the cement-based water-permeable pavement in sequence in the form of A, B and C. The strength recovery maintenance agent can effectively recover and improve the strength of damaged cement-based water-permeable pavement materials and improve the overall service life of the water-permeable pavement.

This invention relates to the field of permeable material testing technology, addressing the problem in existing technologies of lacking a comparative evaluation of the heat dissipation performance of permeable pavement materials based on multiple sets of environmental parameters and thus achieving precise matching of materials with target application scenarios. It provides a method, apparatus, equipment, and storage medium for determining the application scenarios of permeable materials, including: acquiring the heat dissipation performance evaluation results of a test sample under different preset environmental parameters; establishing a correspondence between the preset environmental parameters and the heat dissipation performance evaluation results; determining the target environmental parameters corresponding to the maximum heat dissipation performance evaluation results based on the correspondence between the preset environmental parameters and the heat dissipation performance evaluation results; acquiring multiple application scenarios of the permeable material and the environmental parameters of each application scenario; and determining the target application scenario of the test sample based on the target environmental parameters and the environmental parameters of each application scenario. This invention improves the targeting and reliability of selecting application scenarios for permeable materials.

A permeable paving structure that includes a stabilizer, a base course layer, and a wearing course layer. The stabilizer is adapted to be engaged with a ground surface in at least two planes. The base course layer operably engages with the stabilizer, and the wearing course layer operably engages with the base course layer and with the stabilizer. The stabilizer is configured to stabilize the base course layer and the wearing course layer in the at least two planes.

The utility model relates to ecological paving stone technical field, concretely is an ecological water -permeable paving stone, including first stone slab subassembly, one side of first stone slab subassembly is equipped with second stone slab subassembly, first stone slab subassembly, second stone slab subassembly respectively include base plate, the surface of base plate is equipped with a plurality of micropore, the bottom of micropore is equipped with a plurality of loudspeaker -like water -permeable channel, the bottom of base plate is equipped with mounting panel, the inside of mounting panel is equipped with grid -like water -evening groove, utilize the structure of fixed cylinder, grooving, sliding rod, limit rod, hinged seat, locating rod, locating plate, return spring, limit seat, limit cylinder, limit cavity, limit hole, solve the existing stone slab splicing structure complex, construction efficiency is low and the problem that maintenance is difficult, and the uneven diffusion of rainwater infiltration after.

The utility model discloses a water permeable pavement road structure, including car road structure, pedestrian pavement structure and pedestrian overflow structure, and the pedestrian overflow structure is located in the pedestrian pavement structure and one side is close to the curb, the curb side surface adjacent with the pedestrian overflow structure has the opening, and the water permeable board is installed in the opening, the pedestrian overflow structure includes grating type pavement, overflow pool, overflow pipe and rainwater pipe, and the overflow well is connected with the rainwater pipe through the side wall bottom opening parallel to the car road structure, and the side wall bottom opening vertical to the car road structure is connected with the overflow pipe, and the other end of overflow pipe passes through the longitudinal access adjacent overflow well of overflow pool, through the pedestrian overflow structure, can accept the rainwater from the pedestrian pavement and the car road on the basis of not influencing the road structure, and the rainwater is converged into the preset rainwater pool and is unified utilization, and effective utilization rainwater can save municipal water resources, and simultaneously, the component can be standardized, the modularization unified production, and improves production efficiency.

This utility model discloses a settlement-preventing permeable paving structure for gardens, including a drainage roadbed and permeable bricks. Multiple parallel supporting base plates are distributed on the drainage roadbed, and stress-dispersing bases are mounted on the supporting base plates. The stress-dispersing bases are arranged in an orderly manner along the length of the supporting base plates. Each stress-dispersing base has a stress-dispersing inclined surface at its bottom on both sides and a stress-dispersing vertical surface at its top on both sides. This settlement-preventing permeable paving structure for gardens, by setting vertical and inclined mounting surfaces on the surface of conventional permeable bricks, and in conjunction with the stress-dispersing bases, allows a single permeable brick subjected to vertical pressure to have some of the pressure dispersed horizontally through the contact between the inclined mounting surfaces and the stress-dispersing inclined surfaces. This pressure can then be simultaneously diffused onto other types of permeable bricks, thus reducing the pressure on individual permeable bricks in a localized area.

This application relates to a polymer permeable mortar for permeable paving bricks, belonging to the field of building materials technology. It comprises the following components in parts by weight: 80-100 parts silicate cement, 40-60 parts compatibilizing modified aggregate, 2-5 parts modified latex powder, 10-20 parts modified basalt fiber, 1-2 parts polycarboxylate superplasticizer, and 40-50 parts water. This application has the effect of improving the permeability, stability, and adhesion properties of the polymer permeable mortar.

The utility model discloses a rejuvenation and maintenance system for ancient and famous trees, which relates to the field of medical instruments, and comprises a lawn and a trunk positioned in the lawn, and further comprises a plurality of rejuvenation ventilation water purification ditches arranged in a surface crown projection range of the lawn in a surrounding manner; and the soil improvement fertilization holes are arranged in a projection range of a surface crown of the lawn in a surrounding manner. Through the rejuvenation ventilation water purification ditch and the soil improvement fertilization hole, the soil root system environment can be improved, the fertility is improved, and ancient trees are promoted to root; the drainage blind ditch can timely drain redundant accumulated water to prevent the root system from oxygen-deficient decay; the air-permeable and water-permeable pavement layer enhances the air-permeable and water-permeable performance of the soil, improves the absorption capacity of the root system and can beautify the landscape; the fences and the root blocking walls can prevent man-made damage and prevent invasion of root systems of other plants, the growth space of the ancient trees is protected, a clean, ventilated and light-transmitting environment is created for the ancient trees, and the ancient trees can grow vigorously and recover vigorously.

The invention relates to an urban road structure based on toughness design, the urban road structure comprises a sidewalk arranged on the outer side, a motor vehicle lane arranged on the inner side and an underground pipeline, the toughness design concept is adopted, the pavement structure is mainly made of flexible or semi-flexible materials, and the top of the underground pipeline adopts a composite geotechnical structure-double-layer toughness structure layer; a gravel pile flexible supporting structure is adopted on the two sides, a pipeline, roadbed and pavement integrated structure is provided, a sidewalk adopts a double-layer permeable layer, the use durability of permeable pavement of a sponge city is improved, a motor vehicle lane adopts a double-layer semi-flexible base layer, and the motor vehicle lane and a composite geotechnical structure-double-layer tough structure layer on the top of the pipeline are combined together. And rapid pavement collapse caused by possible sudden local underground subsidence or water and soil loss is effectively dealt with, so that associated hazards possibly caused by collapse are greatly reduced.

The utility model discloses a sponge road drainage system which comprises an assembly type drainage side stone and a drainage pipe, one side of the assembly type drainage side stone is located on the edge of a permeable pavement sidewalk, and the other side of the assembly type drainage side stone is located on the edge of a permeable asphalt concrete pavement base layer; the water-permeable pavement sidewalk and the water-permeable asphalt concrete pavement incline towards the assembled drainage curbstones; the fabricated drainage curbstone comprises a curbstone top cover and a curbstone main body, a plurality of drainage ports corresponding in position are formed in the opposite main body side walls of the curbstone main body, and a space formed in the curbstone top cover and the curbstone main body after the curbstone top cover and the curbstone main body are buckled serves as a drainage channel; during use, the multiple assembly type drainage curbstones are arranged side by side, the side walls of the multiple assembly type drainage curbstones are arranged in a sealed mode, and therefore through drainage channels are formed in the multiple assembly type drainage curbstones; the drainage pipe is laid on the lower layer of the permeable pavement sidewalk in parallel, one end of the drainage pipe extends into the drainage channel of one assembly type drainage curbstone, and the other end of the drainage pipe is communicated with a municipal drainage system.

The utility model discloses a steel support rainwater module which comprises a steel support frame unit, a plurality of steel support frame units and a plurality of steel support frame units, the steel support frame unit comprises a support bottom plate and a plurality of steel support net plates inserted on the support bottom plate, and water-permeable paving bricks are arranged above the steel support net plates; the supporting unit comprises a plurality of supporting columns fixedly installed on the upper side wall of the supporting bottom plate, a plurality of lock catch sleeves corresponding to the top ends of the supporting columns are fixedly arranged at the lower ends of the water-permeable paving bricks, the lock catch sleeves are fixedly connected through a plurality of sets of transverse reinforcing ribs and longitudinal reinforcing ribs which are evenly distributed, and each lock catch sleeve is inserted into the top end of the corresponding supporting column. According to the utility model, surface runoff is effectively reduced, off-peak drainage can be realized, urban drainage pressure is relieved, and the capability of resisting flood disasters in cities is improved.