Evolving Methods
Tunnel construction techniques in use

June 2017

Mechanised techniques are gradually replacing traditional or non-mechanised methods of tunnel construction in the country. Advanced, technology-driven, efficient and cost-effective methods of tunnelling are being deployed in almost all infrastructure sectors. However, despite the advances […]

Looking West

June 2017

In a country like India, the level of infrastructure development varies significantly across states. On one end of the spectrum there are states such as the seven sisters in the Northeast that are less developed, […]

Material Selection
Improved inputs for tunnel construction

June 2017

Materials used in tunnel construction vary significantly with the type of tunnelling method or technique deployed. Generally, non-mechanised techniques such as drill-and-blast entail a higher material cost as compared to mechanised techniques. The different types […]

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