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