Question: Why is the 'New Austrian Tunneling Method' ( NATM ) significant in tunnel engineering? A ) It emphasizes rapid excavation and minimal support, regardless of
Why is the 'New Austrian Tunneling Method' NATM significant in tunnel engineering?
A It emphasizes rapid excavation and minimal support, regardless of geological conditions
B It is an environmentally friendly method that uses no machinery
C It adapts to the geological conditions, using the surrounding rock mass to stabilize the tunnel
D It requires tunnels to be lined with gold for improved durability
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