- 1 5 Direct Shear Test Was Performed On A Drained Soil Sample Of 45mm L X Xymm W 20mm D The Sample Width Xy Was Equal 1 (43.55 KiB) Viewed 18 times
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1. 5 direct shear test was performed on a drained soil sample of 45mm(L)x XYmm(W) 20mm(D). The sample width XY was equal to the summation of the numbers within your student ID. The test result is provided below, Test no Normal Force (N) Shear Force (N) 1 77 140 2 120.5 171 3 144 188 4 281 287 5 416 385 a) Plot the graph using Coulomb's failure criteria. b) Find out the cohesion parameter in kPa and friction angle for the soil. c) Comment on the type of the soil (50)