Civil Engineering - Tunnelling - Discussion
Discussion Forum : Tunnelling - Section 1 (Q.No. 15)
15.
The following operations are generally employed for tunnelling in hard rock.
1. Removing ground water,
2. Loading holes and firing the explosive
3. Setting up and drilling
4. Grouting and lining
5. Removing muck
6. Ventilation and removing explosion dust
The correct sequence is :
1. Removing ground water,
2. Loading holes and firing the explosive
3. Setting up and drilling
4. Grouting and lining
5. Removing muck
6. Ventilation and removing explosion dust
The correct sequence is :
Discussion:
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