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32 results about "Stormwater management" patented technology

Water-deficient city rainwater runoff sewage disposal and diversion method and system

The invention relates to the technical field of urban rainwater management, in particular to a water-deficient urban rainwater runoff sewage disposal and diversion method and a water-deficient urban rainwater runoff sewage disposal and diversion system. Obtaining an easily-ponding road section distribution map and a rainwater pipe network distribution map, and determining a deposition risk pipeline section; determining an initial interception index according to the rainfall data; determining a starting shear stress according to the continuous rain-free duration; effective shear stress in the pipeline is calculated in the flow dividing stage; when the effective shear stress is not smaller than the starting shear stress, the pollution propagation speed is calculated; according to the pollution propagation speed, calculating the prediction time of the pollutants reaching the shunting node; and when the predicted time and the pollution propagation speed meet the requirements, guiding the rainwater runoff into a sewage treatment path. According to the method, the moving process of the lag pollution peak is dynamically tracked and predicted through the double monitoring points, and the rainwater resource utilization rate is increased.
Owner:SHENZHEN ACAD OF ENVIRONMENTAL SCI

Systems and methods for identifying suitability of stormwater management measures using spatial analysis

Methods and systems for identifying stormwater management opportunities in accordance with embodiments of the invention are disclosed. In one embodiment of the invention, a method for identifying stormwater management opportunities comprises gathering spatial data for a region; rasterizing the spatial data into a set of raster data layers; forming a plurality of benefit maps using subsets of the set of raster data layers, wherein the plurality of benefit maps corresponds to a plurality of benefit categories; generating an opportunity map by combining a subset of the plurality of benefit maps using weights corresponding to the plurality of benefit categories; and displaying the opportunity map on a user interface.
Owner:2NDNATURE SOFTWARE INC

Modular storage and drainage integrated intelligent regulation and control construction method based on sponge city concept

The invention relates to the technical field of rainwater management and intelligent construction, and discloses a modular storage and drainage integrated intelligent regulation and control construction method based on a sponge city concept. The method comprises the following steps: establishing a multi-layer association network for mapping environmental disturbance factors, inputting reference rainfall intensity, activating a seepage state transfer function layer by layer to generate an initial collaborative instruction sequence, issuing the initial collaborative instruction sequence to a physical unit, and collecting and feeding back the initial collaborative instruction sequence; constructing a state deviation topological graph based on feedback and target difference, and reversely adjusting network node parameters to update a function and generate a correction instruction; and the process is iterated until convergence conditions are met, final network parameters and instruction sequences are locked, and pre-configuration before construction is completed. According to the method, multi-environment-factor dynamic collaborative simulation and model closed-loop adaptive optimization based on physical feedback are realized, and the pre-configuration accuracy and the overall operation efficiency of the system are improved.
Owner:CHINA WATER CONSERVANCY & HYDROPOWER NO 9 ENG BUREAU CO LTD

Dynamic simulation method of rainwater runoff based on BIM-GIS coupling

The application relates to the technical field of rainwater runoff simulation, and discloses a rainwater runoff dynamic simulation method based on BIM-GIS coupling. The method plans a simulation process based on input parameters and environmental conditions, determines required BIM data (containing building geometric data) and GIS data (containing terrain elevation data), and determines different scene types. Then, a dynamic simulation process set is generated, the execution sequence is determined, the coupling parameter setting list and the data fusion scheme list of each scene are generated, and finally, the overall scheme is generated by associating each element. In addition, the method also relates to dynamic simulation boundary determination, data subset extraction, scene type subdivision, simulation process updating, data fusion rules, database establishment and maintenance and the like. The method combines the advantages of BIM and GIS technologies, can adapt to different scenes, realizes dynamic data updating and efficient processing, improves the accuracy and reliability of rainwater runoff dynamic simulation, and can be used in the field of urban rainwater management.
Owner:CHINA CONSTR FIFTH ENG DIV CORP LTD

Municipal road water-accumulation-preventing rainwater guiding, discharging, purifying and utilizing device

The invention relates to the technical field of urban rainwater management, in particular to a municipal road ponding-proof rainwater guiding, discharging, purifying and utilizing device which comprises a guiding and discharging channel mechanism, a guiding and discharging well pipe, an overflow guiding and discharging assembly, a purifying and water storing mechanism, a purifying and flow guiding mechanism and a water resource utilizing mechanism. Efficient collection of earth surface rainwater is achieved through the guiding and discharging channel mechanism, and the rainwater is guided into the guiding and discharging well pipe through the rainwater guiding and discharging module; part of rainwater is conveyed to a filtering cavity of the purification water storage mechanism through the middle-section filtering groove and the flow guide pipeline, and enters a water storage cavity to be stored after being subjected to multi-layer filtering; purified water is conveyed to a water resource utilization mechanism through the suction module and used for garden spraying and the like. The overflow guide and drainage assembly is automatically started when the rainfall is too large, and drainage safety is ensured. The urban road rainwater management system integrates guiding and draining, filtering, water storage, disinfection and recycling, solves the problem of urban road water accumulation and rainwater resource waste, has the advantages of being compact in structure, stable in operation, convenient to maintain, high in resource utilization rate and the like, and is suitable for urban road rainwater management systems.
Owner:东营市湿地城市建设推进中心

Low-impact development facility optimization layout system based on multi-objective optimization and uncertainty analysis

PendingCN121328289AEnsemble learningBiological modelsData acquisitionLow-impact development
The invention belongs to the technical field of urban rainwater management, and particularly relates to a low-impact development facility optimization layout system based on multi-objective optimization and uncertainty analysis. The system comprises a data acquisition and preprocessing layer, an uncertainty modeling and analysis layer, a multi-target collaborative optimization layer, an intelligent decision support layer and a dynamic adaptation and optimization layer. The data acquisition and preprocessing layer serves as a basic support layer of the system and is responsible for acquisition, cleaning, standardization and integration of multi-source heterogeneous data; the uncertainty modeling and analysis layer serves as a core theory layer of the system and establishes a ternary integrated uncertainty processing framework fusing fuzzy logic, the probability theory and machine learning; the multi-objective collaborative optimization layer serves as an algorithm engine layer of the system and integrates a hybrid optimization technology of an adaptive evolutionary algorithm, machine learning and heuristic search; the intelligent decision support layer serves as an interactive interface layer of the system and provides personalized decision support service based on user preference learning; and the dynamic adaptation and optimization layer is used as a self-learning layer of the system and realizes online optimization and adaptive adjustment based on real-time monitoring data. The invention provides a low-impact development facility optimization layout system based on multi-objective optimization and uncertainty analysis.
Owner:CHINA MCC5 GROUP CORP LTD

Sustainable solutions for urban flooding: introducing the tower-based solar-powered drainage system

This invention presents a modern rainwater drainage system designed to efficiently handle urban flooding. The system integrates KerbDrain (hollow kerbstones), water collection chambers, suction and lifting pumps, and a water tower. Powered by solar energy and controlled by automated sensors, the system activates during rainfall to collect and drain water quickly, eliminating the need for deep trenches, gravity-fed pipes, or water tankers. The tower, with a capacity of 1.2 million liters, temporarily holds and discharges water through pressurized pipes, offering an efficient, eco-friendly solution to rainwater management. The idea achieves the following objectives: 1. Elimination of flooding caused by rainwater. 2. Elimination of the need for water tankers. 3. Utilization of rainwater for various purposes such as agriculture or industrial use. 4. Operation of the project using solar energy. 5. Reduction of financial losses and minimization of risks.
Owner:ALI SABA

Urban-oriented composite water pollution simulation and evaluation method and system

The invention provides a simulation and evaluation method and system for urban composite water pollution, and the method comprises the steps: taking a rainstorm management model SWMM as a basic platform, dividing a sub-basin and a spatial patch, and building a spatial association relationship among the spatial patch, the sub-basin, a sewer network and an inspection well; a water power module, a runoff pollution module and a combined system overflow CSO pollution module are constructed respectively, coupling among the modules is established to obtain a coupling model, output of the water power module drives load calculation of the runoff pollution module and the CSO pollution module, pollution loads of the runoff pollution module and the CSO pollution module are summarized, and combined pollution total output is obtained; acquiring climate prediction data and urbanization prediction data of a future scene, performing downscaling and standardization processing on the climate prediction data and the urbanization prediction data respectively, generating input data matched with the scale of the coupling model, inputting the input data into the coupling model, and performing simulation to obtain pollution results under different future scenes; according to the method, the simulation precision, prediction reliability, prevention and control targeting and planning adaptability of urban combined pollution are improved.
Owner:YUNNAN UNIV

Vehicle rainwater management system and vehicle

PendingCN122300370AWindshieldStormwater management
The present disclosure relates to a vehicle rainwater management system and a vehicle. The vehicle rainwater management system includes a drainage system including a rainwater receiving component configured to receive rainwater at a front windshield (70) of the vehicle, wherein the rainwater receiving component includes at least one of a wiper arm (11) for supporting a wiper blade (10) and an A-pillar trim panel (20). A drain conduit (30) configured to direct the rainwater received by the rainwater receiving component away from the front windshield (70).
Owner:VOLVO CAR CORP

Building facade ecological interception system and building facade rainwater ecological interception method

The invention relates to the technical field of sponge city building rainwater management, and provides a building facade ecological interception system and a building facade rainwater ecological interception method, and the system comprises a source emission reduction layer which comprises a plurality of layers of greening hanging pot assemblies which are arranged along a building facade and have a density gradient of being sparse at the upper part and dense at the lower part and are used for planting plants; each greening hanging pot assembly is filled with a water-permeable substrate, and a capillary medium compounded by coco coir and vermiculite is embedded in each greening hanging pot assembly; the process control layer comprises a vertical flow guide groove correspondingly connected with percolation holes in the bottom of the greening hanging pot assembly, a transverse bent flow channel connected with the vertical flow guide groove, and tail end flow dividing branches connected with the two ends of the transverse bent flow channel; the tail end utilization layer comprises a water storage and recycling unit for collecting and purifying rainwater and an underground capillary percolation well for permeating the rainwater into deep soil, and the water storage and recycling unit and the underground capillary percolation well are respectively connected with one tail end shunting branch. Through cooperation of ecological interception and engineering diversion, rainwater slow flow permeation and resource recycling of the building facade are achieved, and climate regulation and carbon sink improvement are both considered.
Owner:CHINA RAILWAY CONSTR GROUP CO LTD +1

Sludge self-discharging type rainwater regulation and storage system and working method

The invention discloses a silt self-discharging type rainwater regulation and storage system and a working method, and relates to the technical field of rainwater management. The silt self-discharging type rainwater regulation and storage system comprises a slope silt sinking groove, a self-flushing flow channel, an anti-blocking filtering system and a concrete foundation, the slope silt sinking groove is formed in the bottom side of a rainwater regulation and storage module, the self-flushing flow channel is formed in the rainwater regulation and storage module, and the anti-blocking filtering system is installed between the bottom of the rainwater regulation and storage module and the top of a silt collecting ditch. The problem that a traditional storage pond depends on electric flushing and manual dredging is solved; the design of a siphon flow channel is combined, so that silt is automatically collected during rainstorm; the eccentric rotary filter screen realizes centrifugal self-cleaning by utilizing water flow energy, so that the blocking rate is reduced; on one hand, zero-energy-consumption operation and maintenance are achieved, and the method is suitable for suburb facilities without power sources; secondly, the maintenance cost is reduced; according to the design, self-cleaning in rainstorm and maintenance-free all the year round serve as a core breakthrough, and a fundamental solution is provided for capital construction of a sponge city.
Owner:CHINA CONSTR THIRD ENG BUREAU GRP CO LTD

Modularized integrated storage and drainage intelligent regulation and control construction method based on sponge city concept

The application relates to the technical field of rainwater management and intelligent construction, and discloses a modularized storage and drainage integrated intelligent regulation and control construction method based on a sponge city concept. The method generates an initial cooperative instruction sequence by establishing a multilayer correlation network of mapping environmental disturbance factors, inputting a reference rainfall intensity, and activating a seepage state transition function layer by layer, and the generated initial cooperative instruction sequence is fed to physical units and feedback is collected; a state deviation topology graph is constructed based on the feedback and target differences, network node parameters are reversely adjusted to update the function and generate correction instructions; the process is iterated until the convergence condition is met, the final network parameters and instruction sequence are locked, and pre-configuration before construction is completed. The method realizes dynamic cooperative simulation of multiple environmental factors and closed-loop adaptive optimization of the model based on physical feedback, and improves the accuracy of system pre-configuration and the overall operation efficiency.
Owner:CHINA WATER CONSERVANCY & HYDROPOWER NO 9 ENG BUREAU CO LTD

Rainwater drainage system with overflow function and construction method

The invention relates to the technical field of rainwater drainage, in particular to a rainwater drainage system with an overflow function, which comprises a rainwater drainage foundation, a water collecting pipe, a perforated collecting pipe and a water outlet pipe, the rainwater drainage foundation is sequentially provided with a rammed earth layer, an anti-seepage geomembrane, a gravel drainage layer, a gravel layer, a soil replacing and filling layer, a covering layer and a deep stagnant water layer from bottom to top; a water collecting pipe vertically penetrates through the rainwater drainage foundation, a water grating barrel is arranged on the top of the water collecting pipe, and an overflow opening is formed in the top of the water grating barrel. A plurality of perforated collecting pipes are arranged in the gravel drainage layer at the waist part of the water collecting pipe, the perforated collecting pipes are vertically connected with upward blind pipes, and backwashing openings are formed in the pipe ends, extending out of the top surface of the rainwater drainage foundation, of the blind pipes. The system has the beneficial effects that the system is suitable for the fields of urban rainwater management, ecological wetland construction, rainwater gardens, green roofs and the like, and the functions of efficient collection, purification, discharge utilization and overflow prevention of rainwater are achieved.
Owner:MCC NORTH (DALIAN) ENG TECH CO LTD

Stormwater management crate assembly with tapered columns

Stormwater management systems, methods, and apparatus for containing and filtering runoff may be provided. In one implementation, a stormwater management crate for managing stormwater runoff may be provided. The stormwater management crate may include a top plate having a first plurality of support column attachments and one or more support column assemblies located below the top plate; the one or more support column assemblies being affixed to the top plate at the support column attachments. The stormwater management crate may further include an intermediate plate may be located below the top plate and above the bottom plate. The intermediate plate may have a third plurality of support column attachments. The intermediate plate may be lightweight and may weigh less than one or both of the top plate and the bottom plate.
Owner:ADVANCED DRAINAGE SYSTEMS INC

Urban storm flood simulation method and device

The application discloses a kind of urban rain flood simulation method and device, method includes: obtaining the historical flood event data set of research area, historical flood event data set is divided into rating set and verification set;Flood event data set includes: flood event associated land use data, drainage pipe network topological structure data, weather data and flood data;Based on rating set and verification set, respectively with time-varying gain nonlinear city model, water and soil conservation runoff model and stormwater management model as physical constraint, with pre-constructed LSTM coupling, obtain three depth coupling models;Based on rating set and verification set, for each discharge port, the simulation result of the integrated three depth coupling models, determine integrated weight by optimization algorithm, utilize integrated three depth coupling models, obtain integrated model for executing urban rain flood simulation calculation.The application can capture the diversification characteristics of hydrological sequence, realize high-precision interpretable urban rain flood simulation.
Owner:WUHAN UNIV

Systems, apparatus, and methods for isolating flow in a stormwater management crate array

Weir systems, methods, and apparatuses for containing and filtering runoff may be provided. In one implementation, a modular weir may be used to isolate suspended solids from a flow of water in a stormwater management crate array. The modular weir may include a plurality of weirs configured to isolate the flow of water from the stormwater management crate, a plurality of column grooves along the one or more weirs configured to extend around a plurality of columns in the stormwater management crate, an inlet located at a first end of the plurality of weirs configured to receive the flow of water within the stormwater management crate, and a cap located at a second end of the plurality of weirs configured to contain the flow of water within the modular weir.
Owner:ADVANCED DRAINAGE SYSTEMS INC

Intelligent forecasting methods and systems for stormwater runoff for green infrastructure

This invention discloses an intelligent stormwater runoff prediction method and system for green infrastructure, relating to the field of urban stormwater management. The method includes: constructing a runoff reduction effect assessment model and a stormwater runoff dynamic simulation model, and deploying the runoff reduction effect assessment model to edge computing nodes; collecting real-time environmental data sequences through an IoT sensor network, fusing meteorological forecast data to obtain predicted rainfall sequences, inputting these sequences into the runoff reduction effect assessment model, and outputting a runoff reduction potential coefficient; if the runoff reduction potential coefficient is lower than a dynamic adaptive threshold, triggering a stormwater runoff prediction process, uploading the data to the cloud, simulating stormwater runoff evolution, and outputting predicted runoff direction, distribution, and scale; conducting a stormwater risk level assessment, and generating a visualized early warning map integrating risk zoning, warning levels, and decision support strategies. This invention solves the problems of untimely and inaccurate stormwater runoff prediction and poor model adaptability in existing technologies.
Owner:HANGZHOU NORMAL UNIVERSITY

Garden rainwater collecting, draining and purifying mechanism

This utility model discloses a garden rainwater collection, drainage, and purification mechanism, including a water tank, a cover plate, a cylinder, a connecting pipe, a movable ring, and a movable shaft. The cover plate is installed on top of the water tank, the connecting pipe is installed on top of the cover plate, and the cylinder is installed on the outside of the connecting pipe on top of the cover plate. This utility model, by setting up a water tank to store rainwater, a cover plate to seal the top of the water tank, and a connecting pipe to transport the collected rainwater into the water tank for storage, solves the problem of traditional garden rainwater management models that often employ a "rapid discharge" strategy, directly discharging rainwater into the municipal system through surface runoff or pipe networks. This method not only leads to a large waste of water resources but may also exacerbate urban non-point source pollution due to pollutants such as silt, fallen leaves, and oil carried by rainwater, potentially causing blockages and preventing rainwater collection.
Owner:SHANGHAI FUDAN PLANNING & ARCHITECTURE DESIGN INSTITUTION CO LTD

Water shortage city rainwater runoff sewage separation method and system

The present application relates to the technical field of urban rainwater management, and in particular to a water-deficient city rainwater runoff pollution separation method and system. An easy water accumulation section distribution map and a rainwater pipe network distribution map are obtained to determine a sedimentation risk pipe section; an initial interception index is determined according to rainfall data; a starting shear stress is determined according to a continuous rain-free duration; an effective shear stress in the pipe is calculated in the separation stage; when the effective shear stress is not less than the starting shear stress, a pollution propagation speed is calculated; a predicted time for pollutants to reach a separation node is calculated according to the pollution propagation speed; and when the predicted time and the pollution propagation speed meet the requirements, rainwater runoff is guided into a sewage treatment path. The present application dynamically tracks and predicts the movement process of a lagging pollution peak through double monitoring points, thereby improving rainwater resource utilization.
Owner:SHENZHEN ACAD OF ENVIRONMENTAL SCI

Rainwater purification treatment system for constructed wetland

The invention discloses a constructed wetland rainwater purification treatment system, which comprises the following modules: an event identification module, which is used for obtaining rainfall flood multi-source data and generating an event scene label; the path scheduling module is used for dynamically configuring a rainwater inflow path according to the event scene and generating hydraulic path data; the matrix configuration module is used for controlling activation, bypass or combination of the functional matrix units and generating matrix configuration data; the environment regulation and control module is used for regulating dissolved oxygen, an oxidation-reduction state and degradable substance distribution; the intelligent prediction module is used for outputting a water quality prediction result by using the improved RWKV model and updating an operation strategy; and the knowledge management module is used for aggregating multi-site data to construct a regional knowledge base and providing a strategy initialization service. The system realizes self-adaptive regulation and control driven by dynamic response and water quality prediction, improves the purification efficiency and the operation intelligence level of the constructed wetland in a complex rainfall flood scene, and is suitable for distributed rainwater management and ecological treatment scenes.
Owner:GUANGZHOU YUANHUI TECH DEV CO LTD

Plot scale low-impact development planning verification method, system and device and medium

PendingCN121684713AData processing applicationsHydrometryBuilding density
The invention relates to the technical field of urban planning and rainwater management, and discloses a land parcel scale low-impact development planning verification method, system and device and a medium, and the method comprises the steps: determining a comprehensive runoff coefficient threshold value which needs to be reached by a land parcel based on a given land parcel low-impact development management and control target; obtaining planning layout parameters of the land parcel and hydrological parameters corresponding to various underlying surfaces in the land parcel; according to the planning layout parameters and the hydrological parameters, calculating through a runoff coefficient synthesis model to obtain an expected comprehensive runoff coefficient of the land parcel; and comparing the expected comprehensive runoff coefficient with the comprehensive runoff coefficient threshold value, and judging whether the planning scheme of the land parcel meets the low-impact development management and control target or not according to a comparison result. According to the method, existing indexes (such as green land rate and building density) which must be declared in a planning scheme are directly used as input, extracorporeal circulation of examination is avoided, and the management efficiency is greatly improved.
Owner:CHENGDU PLANING & DESIGNING INST

Stormwater system for managing and controlling sediment capture

Disclosed embodiments relate to a stormwater management system. In some embodiments, the stormwater management system may comprise a plurality of stormwater crates connected in one or more rows and a sediment capture row located within the plurality of stormwater crates. In some embodiments, the sediment capture row may comprise one or more stormwater crates connected in a row, a geotextile wrap surrounding the one or more stormwater crates, a plurality of side panels located on an outer side of the geotextile wrap, and a front panel connected to a front end of the sediment capture row.
Owner:ADVANCED DRAINAGE SYSTEMS INC

Aggregate reduction in stormwater management system

The disclosed embodiments describe systems, methods, and devices for a fluid run-off system. These systems, methods, and devices may include a fluid run-off system which may comprise a layer of foundation stone, at least one stormwater management system located above the layer of foundation stone, a layer of embedment stone located around the at least one stormwater chamber, a layer of initial fill located above the layer of embedment stone, a layer of final fill located above the layer of initial fill, a filtration fabric located around a perimeter of the layer of foundation stone and the layer of embedment stone, and a geogrid system located around a perimeter of the filtration fabric.
Owner:ADVANCED DRAINAGE SYSTEMS INC

Drainage assembly having an end cap and ramp

Stormwater management systems, apparatus, and methods for containing and filtering runoff may be provided. In one implementation, a stormwater chamber may be provided. The stormwater chamber may be configured for use with an endcap for connecting a pipe to the stormwater chamber, and the stormwater chamber may include a first end with a scalloped edge portion. The end cap may include a sleeve with an interior projecting edge, an outward projecting edge, a bore shaped to receive a pipe, a first cutout portion at the upper half of the outward projecting edge of the sleeve, and a second cutout at the bottom half of the interior projecting edge of the sleeve. The stormwater chamber may also include a flared end ramp with an inlet end, an outlet end, and a protrusion on the outside of the inlet end that abuts the flared end ramp with the end cap.
Owner:ADVANCED DRAINAGE SYSTEMS INC

Stormwater system for managing and controlling sediment capture

PCT designated stageWO2026015712A1Sewerage structuresSewage drainingRainwater tankEnvironmental engineering
Disclosed embodiments relate to a stormwater management system. In some embodiments, the stormwater management system may comprise a plurality of stormwater crates connected in one or more rows and a sediment capture row located within the plurality of stormwater crates. In some embodiments, the sediment capture row may comprise one or more stormwater crates connected in a row, a geotextile wrap surrounding the one or more stormwater crates, a plurality of side panels located on an outer side of the geotextile wrap, and a front panel connected to a front end of the sediment capture row.
Owner:ADVANCED DRAINAGE SYSTEMS INC

An irrigation and rainwater management integrated device

The utility model belongs to building field provides an irrigation and rainwater management integrated device, including rainwater collection subassembly, water collecting tank, AI control hub, sensor group, rainwater collection subassembly includes sun shield, two sun shield are provided with, two sun shield side edge all are provided with inclined plate, the below of sun shield is provided with support column, the side of support column is provided with connecting rod, support column is fixedly connected with sun shield through connecting rod. The utility model can collect rainwater, and compare meteorological forecast, plant water demand curve and real -time soil moisture content through embedding AI chip in edge calculation unit, generate irrigation decision, if enable rainwater, frequency conversion water pump extracts water storage in water collecting tank, executes irrigation according to zoning electromagnetic valve opening and closing sequence, updates system log after irrigation, automatically generates water saving report.
Owner:SOUTHWEST JIAOTONG UNIV

Long-life low-carbon permeable road structure and construction method thereof

The invention discloses a long-life low-carbon permeable road structure and a construction method thereof, belongs to the technical field of road engineering, and aims to solve the problems of insufficient durability, high carbon emission, poor rainwater management efficiency and the like caused by structural and material defects of a traditional road. The structure sequentially comprises a water permeable surface layer, a water permeable base layer and a subbase layer from top to bottom. The recycled aggregate permeable asphalt, the macroporous ecological concrete, the in-situ solidified soil and other low-carbon materials are adopted, the cement consumption and earth excavation transportation are remarkably reduced, and carbon emission reduction is achieved. Meanwhile, due to the innovative design of the composite water-permeable base layer, especially the three-dimensional reinforced transition layer, lasting and stable combination of all structural layers is ensured, the overall bearing capacity and damage resistance of the road are effectively improved, and therefore the long service life of the structure is achieved. The road structure provided by the invention is suitable for sponge city construction and ecological road reconstruction, and can efficiently permeate rainwater and reduce urban inland inundation.
Owner:XINGTAI ROAD & BRIDGE CONSTR GENERAL +1

A retractable rainwater harvesting device for landscape green spaces

This utility model relates to the field of urban rainwater management technology, and in particular to a retractable rainwater collection device for landscape green spaces. It includes a water storage tank, with a drain pipe connected and communicating with the side of the tank. A guide plate is fixed to the top of the water storage tank, and a first drainage plate is fixed to the top of the guide plate. The surface of the first drainage plate has several strip-shaped through holes. This device, through a moving mechanism driven by a rodless cylinder, combined with a linkage structure of an inclined block and a guide groove, enables the second drainage plate to achieve lifting and adjustment functions. This allows it to automatically rise to be level with the ground surface according to changes in terrain, effectively avoiding the traffic obstruction caused by traditional fixed drainage outlets and ensuring the normal passage of pedestrians and vehicles.
Owner:SHENZHEN BOLISEN LANDSCAPE PLANNING & DESIGN CO LTD

Aggregate reduction in stormwater management system

The disclosed embodiments describe systems, methods, and devices for a fluid run-off system. These systems, methods, and devices may include a fluid run-off system which may comprise a layer of foundation stone, at least one stormwater management system located above the layer of foundation stone, a layer of embedment stone located around the at least one stormwater chamber, a layer of initial fill located above the layer of embedment stone, a layer of final fill located above the layer of initial fill, a filtration fabric located around a perimeter of the layer of foundation stone and the layer of embedment stone, and a geogrid system located around a perimeter of the filtration fabric.
Owner:ADVANCED DRAINAGE SYSTEMS INC