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Tunnel Ventilation Systems
Tunnel Ventilation Systems
Ventilation during construction and after completion of tunnel
construction is an essential feature that a tunnel should own to
facilitate functional, comfortable and a safe tunnel environment
for both the road and railway tunnels.
There are various types of ventilation systems in tunnel construction
provided to remove dust and poisonous gas during its construction
and operation. These ventilation systems in tunnel construction are
discussed in this article. The tunnel construction works are mainly
carried out by drill and blast method, which have many safety and
health issues due to the emission of dust and many poisonous
gasses. Hence it is essential to provide ventilation systems in
in tunnel during construction.
The main objectives of providing ventilation systems in tunnel are:
- To provide the working crew an environment of fresh air.
- To exhaust out fumes and gasses, that is injurious to health and explosive in nature.
- To remove the drilling, mucking and blasting gasses emitted.