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This question belongs to Geological Engineering Engineering Geology For Construction

Engineering Geology for Construction

?

What is the effect of groundwater on excavation stability?

A) Increases shear strength B) Reduces weight C) Decreases stability due to pore pressure D) No effect

Answer & Solution

Correct Answer: Option C

Groundwater reduces effective stress and increases pore pressure, making slopes and excavations less stable and more prone to failure.

Question posted by Examveda

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