How can we find angle between failure plane and major principal plane?
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The angle between the directions of the failure and the major principal plane, is equal to
[A].90° + effective angle of shearing resistance[B].90° + half of the angle of shearing resistance[C].45° - half of the angle of shearing resistance[D].45° + half of the angle of shearing resistance.
[A].90° + effective angle of shearing resistance[B].90° + half of the angle of shearing resistance[C].45° - half of the angle of shearing resistance[D].45° + half of the angle of shearing resistance.
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Planes of maximum shear stress occur at 45° to the principal planes.
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