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This question belongs to Geological Engineering Rock Mechanics And Rock Engineering

Rock Mechanics and Rock Engineering

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What is the main failure mode in columnar basalt rock slopes?

A) Planar failure B) Wedge failure C) Toppling failure D) Flow failure

Answer & Solution

Correct Answer: Option C

Toppling failure is common in vertical or steeply inclined columnar basalt formations where blocks rotate forward due to gravity and insufficient lateral support.

Question posted by Examveda

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