Tunnel Engineering

The advantages of providing a pair of tunnels as compared to only one large highway tunnel is:

  • A. Economy in cost of construction
  • B. Avoidance of head on collisions
  • C. Provision of separate exit and entrance of two traffic streams
  • D. All the above
Answer: Option D.

IS 14665 gives details about elevators. It specifies the number, capacityof elevator and number of floors to be served.

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