A structure is erected on an impervious clay whose thickness is 12 m. Drainage is possible both at
upper and lower surfaces. Coefficient of consolidation is 0.015 cm2
per minute. For attaining 50%
consolidation with a time factor 0.20, the number of days required
(A) 3233
(B) 3123
(C) 33331
(D) 3313
upper and lower surfaces. Coefficient of consolidation is 0.015 cm2
per minute. For attaining 50%
consolidation with a time factor 0.20, the number of days required
(A) 3233
(B) 3123
(C) 33331
(D) 3313