A wall of m height retains a backfill of dry granular soil that has a level surface and weighs 20 kN/m³. When there is no surcharge above the fill, the overturning moment caused by the total active pressure at a point at the base of the wall is 125 kN-m/m length of the wall. The specifications permit certain amount of uniformly distributed surcharge but state that surcharge must not increase the overturning moment by more than 50%. What surcharge can be allowed if the angle of wall friction is 20° ?
A wall of m height retains a backfill of dry granular soil that has a level surface and weighs 20 kN/m³. When there is no surcharge above the fill, the overturning moment caused by the total active pressure at a point at the base of the wall is 125 kN-m/m length of the wall. The specifications permit certain amount of uniformly distributed surcharge but state that surcharge must not increase the overturning moment by more than 50%. What surcharge can be allowed if the angle of wall friction is 20° ?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![A wall of 5 m height retains a backfill of dry granular soil that
has a level surface and weighs 20 kN/m³. When there is no surcharge above the fill,
the overturning moment caused by the total active pressure at a point at the base of the
wall is 125 kN-m/m length of the wall. The specifications permit certain amount of uniformly
distributed surcharge but state that surcharge must not increase the overturning moment
by more than 50%. What surcharge can be allowed if the angle of wall friction is
20° ?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcc7e89a8-81ae-4f17-9af6-c27998e22fef%2F990db702-99ca-4760-a22d-471f4e8be5e5%2Fxk0l5c_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A wall of 5 m height retains a backfill of dry granular soil that
has a level surface and weighs 20 kN/m³. When there is no surcharge above the fill,
the overturning moment caused by the total active pressure at a point at the base of the
wall is 125 kN-m/m length of the wall. The specifications permit certain amount of uniformly
distributed surcharge but state that surcharge must not increase the overturning moment
by more than 50%. What surcharge can be allowed if the angle of wall friction is
20° ?
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