Figure Ö2:1 0 0 gvy -5.0 q=10 kPa XXXV \ \ \ / // \ \ Clay Ym = 17 kN/m³ C₁₁ = 27 kPa gvy -5.0 Ym = 18 kN/m³ C = 22 kPa 0 = 24° -7.0 Silt -10.0
Calculate the active earth pressure (exerted by the supported soil mass on the right) against the 10-meter-long, dense and smooth sheet pile wall shown in Figure E2:1. The ground surface is loaded with heavy construction machinery applying a pressure of q = 10.0 kPa. Other data is according to the figure.
Assume the sheet pile moves sufficiently to the left to reach active failure conditions behind it, and passive failure conditions develop in the soil mass below the excavation bottom.
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Will the sheet pile wall hold without rain? (Calculate the forces.)
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Will the sheet pile wall hold if it rains? (Assume water-filled cracks.)
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If the sheet pile does not hold in any of the above cases – how deep would it need to be embedded in order to hold?
Draw diagrams for active and passive earth pressure as well as the resultant earth pressure.
gvy=grownd water level
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