Problem 11 A 3.2 m thick siltv sand strata intersects one side of a reservoir as shown in Figure 4. This stratum has a hydraulic conductivity of 4.2 *; 10 ^ - 2 * cm / s and extends along the entire 1000 m length of the reservoir. An observation well has been installed in this strata as shown. 23. Compute the seepage loss from the reservoir through this stratum. Beervoir delta_{m} 256 29. Assume a chemical solvent, which is denser than water is spilled into the reservoir. How long will it take for the contaminant to reach the observation well assuming only advection occurs in the aquifer? The silty sand in the aquifer has a void ratio of 0.75. Problem 14 The cross section shown in the Figure 1 consists of alternating layers of sand and silty sand. Assume the scils have subangular grain shapes and the grain size distributions shown below. The void ratio for the silty sand is 055 and sand is 0.73.

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