Figure below shows the cross-section of an excavation which is to be made alongside a river. Write down an expression for the effective stress at level A-A and use this to establish the depth H to which the water in the trench can be reduced before instability occurs (when ơ'z is zero). The shear resistance at the clay and sheet pile interface can be considered negligible. sheet piling River peaty silt 3.5 m dredge level 8m alluvial silty clay 6.0 m (y 18 kN/m³) A %3D 3 m A
Figure below shows the cross-section of an excavation which is to be made alongside a river. Write down an expression for the effective stress at level A-A and use this to establish the depth H to which the water in the trench can be reduced before instability occurs (when ơ'z is zero). The shear resistance at the clay and sheet pile interface can be considered negligible. sheet piling River peaty silt 3.5 m dredge level 8m alluvial silty clay 6.0 m (y 18 kN/m³) A %3D 3 m A
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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