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What are the popular methods of tunnelling in hard rock? Describe with net sketch drift method?
written 8.0 years ago by gravatar for teamques10 teamques10 ★ 70k •   modified 3.9 years ago

Mumbai University > Civil Engineering > Sem 8 > Construction Engineering

Marks: 10Marks
construction engineering
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written 8.0 years ago by gravatar for teamques10 teamques10 ★ 70k

The Popular methods are:

a) Full face method

b) Heading and bench method

c) Drift method

d) Cantilever car dump method

DRIFT METHOD:

Rock tunnelling is carried out first in smaller section of the proposed tunnel and then widened. This method is called as drift method. Drifts may be classified …

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