Rankine's Active & Passive Earth Pressure - Failure Plane Inclinations with Major Principal Plane (GATE Civil Engg)

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Civil Engineering > GATE 2024 SET-1 > Earth Pressure

A vertical smooth rigid retaining wall is supporting horizontal ground with dry cohesionless backfill having a friction angle of 30^o. The inclinations of failure planes with respect to the major principal plane for Rankine's active and passive earth pressure conditions, respectively, are _______.

A

30^o and 30^o

B

60^o and 60^o

C

30^o and 60^o

D

60^o and 30^o

Correct : c

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