A flexible pavement of thickness 50 cm is laid over a subgrade. A circular load of radius 15 cm with a uniform contact pressure of 7 kg/cm2 is applied on the pavement. What would be the vertical stress on top of the subgrade?

A flexible pavement of thickness 50 cm is laid over a subgrade. A cir

1.	A flexible pavement of thickness 50 cm is laid over a subgrade. A circular load of radius 15 cm with a uniform contact pressure of 7 kg/cm2 is applied on the pavement. What would be the vertical stress on top of the subgrade?
A.	0.85 kg/cm2
B.	1.58 kg/cm2
C.	0.58 kg/cm2
D.	1.85 kg/cm2
Answer» B. 1.58 kg/cm2