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This question belongs to Geological Engineering Engineering Geology For Construction

Engineering Geology for Construction

?

During tunnel blasting, which rock type may create gas pockets and sudden collapse?

A) Basalt B) Granite C) Limestone D) Shale

Answer & Solution

Correct Answer: Option A

Basalt may contain gas vesicles (voids), which weaken rock mass and can suddenly collapse during blasting.

Question posted by Examveda

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