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2 results about "Rain intensity" patented technology

The intensity of rainfall is a measure of the amount of rain that falls over time. The intensity of rain is measured in the height of the water layer covering the ground in a period of time.

Test device for simulating ecological rock mechanical slope protection under rainfall precipitation condition

InactiveCN101216479ASimple structureAdjustable rainfall intensityFoundation testingEarth material testingFixed bearingSoil science
The invention relates to a device for testing ecological slope protection of ecologic rock and soil mechanics under simulated rainfall condition, which is mainly used for studying scouring (or erosion) characteristics test of rock and soil slope by artificial rainfall and belongs to the field of geotechnical engineering and environmental engineering. The test device comprises an automatic variable slope test rack, a test soil bin and a rainfall simulator with adjustable rain intensity, wherein a rotary support is composed of a guide rail, a crank, a crank brake, an upper shaft and a device for preventing backward sliding; a fixed bearing support is composed of a lower shaft, a bearing seat, a bending guide groove, a capstan and a lower shaft caging device; the rainfall simulator with adjustable rain intensity is disposed on the variable slope test race through a support and includes a rainfall simulator, a pressure sensor, a vibrator, a barometer, a relief valve, etc. The inventive test device has the advantages of simple structure, adjustable rain intensity, uniform rainfall, automatic online collection of air pressure, water pressure and rainfall amount of the rainfall simulator and reduced time and labor force for loading the test soil bin.
Owner:INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI

Laboratory drainpipe network simulation system and simulation method

ActiveCN105841922AReal-time observation of confluence nodesHydrodynamic testingWater storageWater flow
The invention relates to the technical field of experiment equipment for an environment engineering laboratory and particularly relates to a laboratory drainpipe network simulation system and a simulation method. A water storage device of the system is connected with a spraying device and supplies quantitative water for the spraying device, the spraying device sprays water to an experiment table arranged below the spraying device, the experiment table is used for simulating a distribution structure of a road drainpipe network and comprises at least two experiment zones, adjustable height difference exists among the experiment zones, the experiment zones are communicated with the water storage device through a water drainage device to return rainwater dropping onto the experiment table to the water storage device through the water drainage device, and a controller is respectively connected with the water storage device, the spraying device, the experiment table and the water drainage device, is used for controlling opening/closing, position adjustment and water flows of the water storage device, the spraying device, the experiment table and the water drainage device and can simulate operation states of underground drainpipe networks with different rain intensities and different surface differences.
Owner:BEIJING RES CENT OF URBAN SYST ENG
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