edmundg3790 edmundg3790 27-12-2023 Engineering contestada How long (in days) will it take for a 3 ft clay layer in the field (double drained) to reach 60 consolidation? Coefficient of consolidation for clay is 2.6 x 10^-6 ft^2/min. a) 18.3 days b) 21.7 days c) 23.1 days d) 26.5 days