Tunnel Engineering

In “full face” method of constructing tunnels, the first operation relates to_____.

  • A. Removal of bottom portion
  • B. Excavation of one drift in the centre
  • C. Removal of top portion
  • D. Excavation being done along the periphery
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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