Mumbai University > Civil Engineering > Sem 8 > Construction Engineering

Marks: 10Marks

Describe the various types of tunnelling machines which have been developed in recent years. Describe the operation of one of these machines. Compare the use of moles with conventional tunnelling method.

Various types of tunnelling machines are:

a) Road headers

b) Reaming Machines

c) Partial face/mini tunnelling machines

d) Shield tunnelling machines.

e) Full face Tunnel Boring Machines(TBMs)

Road Headers:

A road header, also called a boom-type road header, road header machine, road header or just header machine, is a piece …