dear (moe333) i think i can also go for a UU/CU test for a fully saturated sample, as i am worried about rapid drawdown so i think undrained test & total stress approach will best stimulate the field condition. Theoretically in UU test for fully saturated sample failure envelop of Mohr's circle...
thanks (moe333) for your reply but with all these inputs i still do not have any corelations for predicting reduction in value of cohesion in long term when the present soil will be in submerged condition for long time since the value of cohesion i am having at present is for dry soil because...
I want to the check slope stability of canal section which is excavated in expansive clay. At present soil profile shows stiff to hard clay but after excavation soil will be loosened up and shear strength will be reduced when water will flow throught it, as water will enter in pores and develops...
