+1 vote
in Geotechnical Engineering II by (93.8k points)
For a saturated clay cu=18KN/m^2, find the height of tension cracks is 7m. Find the saturated unit weight.

(a) 43 KN/m^3

(b) 98 KN/m^3

(c) 18 KN/m^3

(d) 86 KN/m^3

The question was asked in semester exam.

Query is from Earth Pressure Problems in section Failure Envelopes & Earth Pressure of Geotechnical Engineering II

1 Answer

0 votes
by (243k points)
The correct choice is (c) 18 KN/m^3

Best explanation: Given,

cu=18 KN/m^2

zo= 2m

we know that, \(Z_0=\frac{2c_u}{γ_{sat}} \)

\(γ_{sat}=\frac{2c_u}{Z_0}=\frac{2×18}{2}=18\)KN/m^3.

Related questions

We welcome you to Carrieradda QnA with open heart. Our small community of enthusiastic learners are very helpful and supportive. Here on this platform you can ask questions and receive answers from other members of the community. We also monitor posted questions and answers periodically to maintain the quality and integrity of the platform. Hope you will join our beautiful community
...