Engineering, 12.02.2021 14:00 rockyroad19
A granular soil specimen is initially under an isotropic stress state where the all aroundconfining pressure is 50 kPa. The specimen is subjected to additional vertical stress thatis gradually increased from zero. The specimen failed when the additional vertical stresswas 96 kPa. What is the friction angle of the soil? (note c= 0 for sand, use Mohr-Coulomb failure criterion with Mohr Circle)
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