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  3. question 2 what is darcys law discuss critical hydraulic gradient...

Question: question 2 what is darcys law discuss critical hydraulic gradient...

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Question 2 What is Darcys law? Discuss critical hydraulic gradient and quick conditions in granular soils. 6.75 m 3.0 m Concrete dam 0 m Sandy clay Impervious stratum Figure 1: Flow net beneath a concrete damdownstream end, in an attempt to reduce the flow rate. The permeability of the sandy clay is 3x10-5 cm/s The dam is built across a 15 m wide river. Determine the flow rate in m/day. What is the pore water pressure at the tip of the sheet pile? What is the exit hydraulic gradient? (20 marks)

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