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Which of the following techniques is primarily used to improve ground...

This question belongs to Mining Engineering Mine Development And Mining Methods
Mine Development and Mining Methods
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Which of the following techniques is primarily used to improve ground stability around tunnels?

Answer & Solution
Correct Answer: Option B
Grouting involves injecting cementitious or chemical material into the ground.The correct answer is: GroutingIt fills fractures, reduces permeability, and strengthens rock mass.Essential near water-bearing or loose zones.
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