Discussion :: Tunneling
-
Which one of the following methods is adopted for permanent drainage of tunnels :
A.
provision of longitudinal drains
|
B.
continuous open drains
|
C.
concrete lining
|
D.
grouting with cement or chemicals
|
E.
All the above.
|
Answer : Option E
Explanation :
No answer description available for this question.
Be The First To Comment