The minimum depth of foundation in clayey soils is_______________?
A. 0.5 m
B. 0.7 m
C. 0.9 m
D. 1.2 m
The minimum depth of foundation in clayey soils is_______________?
A. 0.5 m
B. 0.7 m
C. 0.9 m
D. 1.2 m