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1. |
How much increase in pressure will be, if a uniform surcharge of 120 kN/m2 is placed on the back fill with Φ = 30° |
A. | 12 kN/m2 |
B. | 120 kN/m2 |
C. | 30 kN/m2 |
D. | 40 kN/m2 |
Answer» E. | |