For general c-o soil, cohesion c is 50 kPa, the total unit weight y, is 20 kN/m3 and the bearing capacity factors are N= 8 and N. = 3 and N, = 2. Using Terzaghi's formula. Calculate the net ultimate bearing capacity for a strip footing of width B=2m at depthz = 1 m. Considering shear failure only, estimate the safe total load on a footing 10m long by 2m %3D %3D b. wide strip footing using a factor of safety of 3.

The following results were obtained from CU tests on a clay soil that is the foundation material for an embankment. 03 (kPa) 300 400 600 0₁-03 (kPa) 331 420 487 Au (kPa) 111 160 322 (a) Determine the total and effective principal stresses for all three tests (You may summarize them in a table). (b) Recommend the shear strength parameters to be used for short-term and long-term analyses. The maximum confining pressure (cell pressure) at the depth of interest is 300 kPa. (Note: the clay is a normally consolidated one).

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ASSIGNMENT 2 Obtain the stress distribution of the following spread footing when: A) N =" kN) 70 B) N = RN) N Being: B=10 L-3 m 10 kN m min max B