engineering recuitment TNPSC AE Civil 2024 Test series Soil Mechanics and Foundation Engineering Earth Pressure
A vertical cut is made in saturated clay with c =30 kN/m2, phi = 0° and γ = 20 kN/m3 . What is the theoretical depth to which clay can be excavated without side collapse?
1
1.4 m
2
6 m
3
2.8 m
4
12 m