The cohesion (x), angle of internal friction (ϕ) and unit weight (γ) of a soil are 15 kPa, 20° and 17.5 kN/m 3 , respectively. The maximum depth of unsupported excavation in the soil (in m, round off of two decimal places) is ______.

GATE Civil Engineering (CE) 2021 Shift 1 Solved Paper

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The cohesion (x), angle of internal friction (ϕ) and unit weight (γ) of a soil are 15 kPa, 20° and 17.5 kN/m³, respectively. The maximum depth of unsupported excavation in the soil (in m, round off of two decimal places) is ______.

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