Engineering, 23.04.2021 20:10, demigod0701

A section of thruway is constructed through sandstone beds that dip at 41.5° directly toward the thruway. A section of the roadcut, 19.2 m high, is made at an angle of 70.0° to the horizontal. The angle of friction between the beds of the sandstone is 28.0°, and the unit weight of the rock is 22 kn/m3 . Tests show that the factor of safety of the slope thus created is 1.35. Find the cohesive strength (c) the sandstone.

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A section of thruway is constructed through sandstone beds that dip at 41.5° directly toward the thr...