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GATE Civil Engineering (CE) 2014 Shift 1 Solved Paper

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Question : 26

Total: 65

A long slope is formed in a soil with shear strength parameters: c' = 0 and φ' = 34°. A firm stratum lies below the slope and it is assumed that the water table may occasionally rise to the surface, with seepage taking place parallel to the slope. Use γ_sat = 18 kN/m³ and γw = 10 kN/m³. The maximum slope angle (in degrees) to ensure a factor of safety of 1.5, assuming a potential failure surface parallel to the slope, would be

45.3
44.7
12.3
11.3

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