The Genesis of Underground Engineering

Tunnel breakthrough at the Koralm Railway Tunnel between Carinthia and Styria (August 2018)

Harald Wagner, Chief Executive Office, DHW Pte.Ltd. Bangkok/Vienna

Regardless of the tunnelling technology used, tunnel designers decide the future success or failure at an early project stage. In fact, designers are the real managers of tunnel construction. The choice of design together with selected contract model is managing construction. Contract & Risk Management of Tunnels for any tunnelling technology should follow advanced contractual practices. Harald Wagner, Chief Executive Office, DHW Pte.Ltd. Bangkok/Vienna

The art of Tunnelling
Tunnelling is the art of dealing with “Geologic Uncertainties”. Different methods of tunnel construction are considered and their details deliberated upon as construction requires large excavations of soil, rock etc. However, modern equipment has made excavation and backfilling easier.

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