A strip footing 3.5 m wide is to be placed 3 m below ground surface on sandy clay soil having y = 20.5 kN/m³. Undrained shear box tests give shear strengths of 35, 47 and 59 kN/m² for normal stresses of 70, 140 and 210kN/m?, respectively. Find the apparent cohesion c and angle of shearing resistance Ø, and then calculate the gross ultimate load per metre run of foundation immediately after construction. Consider bearing capacity failure only. Use Terzaghi bearing capacity equation.
A strip footing 3.5 m wide is to be placed 3 m below ground surface on sandy clay soil having y = 20.5 kN/m³. Undrained shear box tests give shear strengths of 35, 47 and 59 kN/m² for normal stresses of 70, 140 and 210kN/m?, respectively. Find the apparent cohesion c and angle of shearing resistance Ø, and then calculate the gross ultimate load per metre run of foundation immediately after construction. Consider bearing capacity failure only. Use Terzaghi bearing capacity equation.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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