THE PRINCIPLES OF Photo: Gunnar Kopperud NORWEGIAN TUNNELLING NORWEGIAN TUNNELLING SOCIETY PUBLICATION NO. 26 NORWEGIAN TUNNELLING SOCIETY REPRESENTS EXPERTISE IN • Hard Rock Tunneling techniques • Rock blasting technology • Rock mechanics and engineering geology USED IN THE DESIGN AND CONSTRUCTION OF • Hydroelectric power development, including: - water conveying tunnels - unlined pressure shafts - subsurface power stations - lake taps - earth and rock fill dams • Transportation tunnels • Underground storage facilities • Underground openings for for pub- lic use NORSK FORENING FOR FJELLSPRENGNINGSTEKNIKK Norwegian Tunnelling Sosiety
[email protected] - www.tunnel.no www.nff.no Photo: Hæhre Entreprenør AS THE PRINCIPLES OF NORWEGIAN TUNNELLING Publication No. 26 NORWEGIAN TUNNELLING SOCIETY 2017 DESIGN/PRINT BY HELLI - VISUELL KOMMUNIKASJON, OSLO, NORWAY NORWEGIAN TUNLLIN E NG SOCIETY PUBLICAO TI N NO. 26 PUBLICATION NO. 26 © Norsk Forening for Fjellsprengningsteknikk NFF ISBN 978-82-92641-39-2 Front page image: Gunnar Kopperud Layout/Print: HELLI - Visuell kommunikasjon AS
[email protected] www.helli.no DISCLAIMER “Readers are advised that the publications from the Norwegian Tunnelling Society NFF are issued solely for informational purpose. The opinions and statements included are based on reliable sources in good faith. In no event, however, shall NFF or the authors be liable for direct or indirect incidental or consequential damages resulting from the use of this information.” 2 NORWEGIAN TUNLLIN E NG SOCIETY PUBLICAO TI N NO. 26 FOREWORD The Norwegian Tunnelling Society NFF is publishing this issue No. 26 in the English Language series for the purpose of sharing with international colleagues, and friends, the experiences of tunnel and cavern construction along with examples of underground use.