A retaining wall is 4 meters tall and retains granular soil having a drained friction angle of 32 degrees and a total unit weight of 18.5 kN/m³. The groundwater table is located at mid-height of the wall. Prepare a simplified scaled drawing showing the wall, ground surface, groundwater table and all active earth and water pressure diagrams. State your assumption of wall friction. Label all heights and depths and provide calculated values for the pressures at the top and bottom of each pressure polygon. Calculate the total force acting on the back of the wall in pounds per foot of wall, and the location of the resultant force above the toe of wall. Include all units.
A retaining wall is 4 meters tall and retains granular soil having a drained friction angle of 32 degrees and a total unit weight of 18.5 kN/m³. The groundwater table is located at mid-height of the wall. Prepare a simplified scaled drawing showing the wall, ground surface, groundwater table and all active earth and water pressure diagrams. State your assumption of wall friction. Label all heights and depths and provide calculated values for the pressures at the top and bottom of each pressure polygon. Calculate the total force acting on the back of the wall in pounds per foot of wall, and the location of the resultant force above the toe of wall. Include all units.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A retaining wall is 4 meters tall and retains granular soil having a drained friction angle of 32 degrees
and a total unit weight of 18.5 kN/m³. The groundwater table is located at mid-height of the wall.
Prepare a simplified scaled drawing showing the wall, ground surface, groundwater table and all active
earth and water pressure diagrams. State your assumption of wall friction. Label all heights and depths
and provide calculated values for the pressures at the top and bottom of each pressure polygon.
Calculate the total force acting on the back of the wall in pounds per foot of wall, and the location of the
resultant force above the toe of wall.
Include all units.
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