29th February 2020
18 Safety Precautions in Tunnelling
18 Safety Precautions in Tunnelling Tunnelling is an underground construction and there are many types of risk during construction. Therefore,…
Category: Tunnels
26th February 2020
Maintenance of Railway Tunnels
Maintenance of Railway Tunnels Generally, P.W.I. inspects every tunnel in his section, and he is personally responsible to maintain the…
22nd February 2020
Classification of Tunnel Drainage System
Classification of Tunnel Drainage System Tunnel Drainage systems are classified as: (1) Drainage system provided at the time of construction…
4th September 2019
Methods of Ventilation in Tunnels
Methods of Ventilation in Tunnels Following methods are implemented for ventilation in tunnels: Natural Method Mechanical Method 1. Natural Ventilation…
19th August 2019
Requirements of Good Ventilation System in Tunnels
Requirements of Good Ventilation System in Tunnels A good tunnel ventilation system should meet the following requirements: 1. It should reduce…
18th August 2019
7 Shapes of Tunnels
Shapes of Tunnels Commonly used tunnel shapes are discussed below: Polycentric Circular Rectangular Egg-shaped Horseshoe type Elliptical Segmental 1. Polycentric…
17th August 2019
20 Types of Classification of Tunnels
20 Types of Classification of Tunnels Tunnels are generally classified on the basis of the purpose, types of material and…
