The coefficient of active earth pressure for a loose sand having an angle of internal friction of 30° is
A. $$\frac{1}{3}$$
B. 3
C. 1
D. $$\frac{1}{2}$$
Answer: Option A
A. $$\frac{1}{3}$$
B. 3
C. 1
D. $$\frac{1}{2}$$
Answer: Option A
A. 3 months
B. 6 months
C. 12 months
D. 24 months
A. directly proportional to time and inversely proportional to drainage path
B. directly proportional to time and inversely proportional to square of drainage path
C. directly proportional to drainage path and inversely proportional to time
D. directly proportional to square of drainage path and inversely proportional to time
A
Ka= 1-sin30 / 1+sin30
= 1/3