Which of these methods of tunnel construction is not suitable in rocks?
Compressed air method
This method involves excavating a smaller pilot tunnel, often along the intended path of the main tunnel or as a means of exploration and ventilation. Based on the analysis, the Compressed air method is the one that is not suitable for tunneling in rock formations.
Important Questions from Highway Development and Planning
Highway lighting serves which of the following purposes?
i. Prevent accidents
ii. Increase in traffic capacity
iii. Increase in safety against crime
iv. Increase green cycle time
The proposed design speed (km/h) for urban expressways as recommended by IRC is:
Which of the following is unfavourable for economic bridge construction?
The rock reinforcement systems are used:
For transportation purposes in India, the first preference is given to:
