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Tag Archives: ventilation


Drill and Blast Method

Drill and blast method is mostly used method for the excavation throughout the world. The method can be used in all types of rocks and the initial cost is lower … Continue reading

Critical Velocity for Smoke Control

The ventilation system would be operated to force the  smoke and hot gases in the direction of the empty tunnel to provide a clear and safe environment behind the fire … Continue reading

Simulation Software Categories for Tunnel Ventilation Systems

Software applications used for the design of tunnel ventilation systems fall into two general categories: onedimensional onedimensional, also known as network analysis, and two or three-dimensional CFD. In network analysis, … Continue reading

Baku Metro Fire (1995)

In October 28, 1995, an electrical failure led to a fire on one of the trains in Baku’s Metro. The electrical failure caused a fire in the fourth of five … Continue reading