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CAT NO: DIDACTICHydraulic0009
Rainfall Hydrograph
Hydrograph are an important tool for the representation of hydrological data such as precipitation, groundwater levels or discharges. Precipitation of varying duration and intensity..
The storage capacity of soils with different saturation is also
examined. Using various dewatering is examined it is possible to
demonstrate the relationships between precipitation and seepage. The
trainer includes a tank with a sand filling, which is flowed through by
water. The water is supplied to the tank via a precipitation device with
two nozzles that can be adjusted separately via valves. To study
different drainages, the water is drained either via a drainage pipe or a
drain chamber, which is separated from the experimental section by a
screen. The draining water is distributed over 17 transparent chambers.
This creates a profile over time of the water drain. The water levels
are measured and plotted in a hydrograph. Drip pans can be used to
demonstrate the lag of the drainage through rainwater retention basins.
The water supply is controlled by a valve and read on a flow meter. The
timed discharges are adjusted via electronic timers. The well-structured
instructional material sets out the fundamentals and provides a
step-by-step guide through the experiments
Effect of precipitation of varying duration or intensity on soils with
different saturation
Record hydrographs after precipitation
Storage capacity of soils with different saturation
Compare natural dewatering with dewatering via and nbsp; drainage pipe
Influence of rainwater retention basin on the hydrograph
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