In drained triaxial compression test, a saturated specimen of cohesionless sand fails under a deviator stress of 535 kPa when the cell pressure is 150 kPa. What will be The effective angle of shearing resistance?
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- A saturated specimen of cohesionless sand was tested under drained conditions in a triaxial compression test apparatus and the sample failed at a deviator stress of 482 kN/m2 and the plane of failure made an angle of 60° with the horizontal. What would be the magnitude of the deviator stress in kPa at failure for identical specimen of sand if it is tested under a cell pressure of 200 kPa? a. 200 b. 241 c. 400 d. 600In an undrained triaxial test on a sample of saturated clay the all-around pressure is maintained at 1.0 ton/sq.ft. The unconfined compressive strength is 3.62 tons/sq.ft. At what vertical load in addition to the all-around pressure should the sample fail?A saturated specimen of cohesionless sand was tested under drained conditions in a triaxial compression test apparatus and the sample failed at a deviator stress of 482 kN/m2 and the plane of failure made an angle of 60° with the horizontal. Find the magnitude of the principal minor stress in kPa at failure for identical specimen of sand if it is tested under a cell pressure of 200 kPa. a.600 b.241 c.723 d.200
- A saturated specimen of cohesionless sand was tested under drained conditions in a triaxial compression test apparatus and the sample failed at a deviator stress of 482 kN/m2 and the plane of failure made an angle of 60° with the horizontal. What would be the magnitude of the deviator stress in kPa at failure for identical specimen of sand if it is tested under a cell pressure of 200 kPa? a.241 b.200 c.600 d.400 With Free Body DiagramA structure is to be supported on a 15-m square mat foundation. The average contact pressure is 100 kPa.A settlement analysis conducted by the geotechnical engineer gave an average settlement S = 25 mm.Recommend design values for the modulus of subgrade reaction KS which may be used in a pseudo-coupledanalysis.A vane shear test was conducted in a saturated clay. Theheight and diameter of the rectangular vane were 4 in.and 2 in., respectively. During the test, the maximumtorque applied was 230 lb ? in. Determine the undrainedshear strength of the clay.
- A DMT was performed in a normally consolidated clay at a depth of 10 m, giving a KD of 2.1.The clay has a unit weight of 118 lb/ft3 , and the groundwater table is at the ground surface. Estimate the undrained shear strength of the clay at a depth of 10 m.The soil profile at a site consists of 10 m of gravelly sandunderlain by a soft clay layer. The water table lies 1 m belowthe ground level. The moist and saturated unit weights of thegravelly sand are 17.0 kN/m3 and 20.0 kN/m3, respectively.Due to some ongoing construction work, it is proposed tolower the water table to 3 m below the ground level. Whatwill be the change in the effective stress on top of the softclay layer?The results of 4 drained direct shear tests of an over-consolidated clay are as followsDetermine the cohesion and angle of internal friction of the clay. Please answer this asap. For upvote. Thank you very much.
- Amixed soil is found to possess a unit cohesion of 500 psf and an angle of internal friction of 30° (results of CU tests). What shear strength is expected at a point in the soil deposit where the normal stress is 1,500 psf?The proposed building will exert a net stress of 12 Newtons per square centimeter. a) Determine the buoyant unit weight of the clay b) Determine the effective vertical stress at the mid-height of the clay layer c) Determine the average settlement of the normally consolidated clay layer. Use compression index C = 0.009(LL - 10)Assume a consolidated drained triaxial compression test is to be performed on a medium stiff clay sampleextracted from 100 ft below surface and consolidated to its in-situ effective stress state.Assume the GWT is 20 ftbelow ground surface level. Assume the moist unit weight above the GWT is 100 pc and the saturated unitweight below the GWT is 130 pc. Assume the Ko for the clay is 0.7. Assume that the effective cohesion is zeroand the angle of internal friction is 35 degrees. Estimate the following: (a) deviator stress at failure: (b) shearstrength (on the failure plane). (c) angle of failure of the shear plane