ENH 324 Lecture Notes - Lecture 3: Silt
20 Dec 2016
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Perforated pipes (water gets treated here: ground water table: if water not treated, it could be contaminated. Method of which can observe the subsoil profile and groundwater conditions below ground. Effluent takes longer to pass if soil has clay and silt. Class of soil: you can predict the permeability of the effluent. T = time t= in minutes to move 1 cm in the soil. Ex. if t is 50, it takes 50 cm per minute to move 1 cm of soil. Water table is usually above the saturated zone. Unconfined: no confining layers between the zone of saturation and land surface. Confined: not readily recharged by direct recharge. Safe water, not as susceptible to contamination. Knowing the composition percentage % of sand, soil, and selt will help us to identify it. The higher amount of sand composition, the higher the percolation rate. Dependant on the weight of the soil that passes through the sleves.
