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Title:	Digital rock mass characterization 2017 - Where are we now? What comes next?
Abstract:	3GSM rolled out its first rock mass characterization system for conventional tunnelling in 2005. It consisted of a digital camera, as well as software components for 3D image generation and geologic mapping. It took several years before such a system became standard procedure on tunnelling sites. The same principles were applied later to mechanised tunnelling in hard rock using a TBM leading to its first regular application starting in 2016. This contribution provides a description of the state of the art in digital rock mass characterization, as well as possible extensions that are currently available such as the use of tablet computers for on site rock mass characterization or analytic (automatic) rock mass characterization. It ends with an outlook of what may come next in the near future, e.g. the use of mixed reality devices in the tunnel. Digitale Gebirgscharakterisierung 2017 - Wo stehen wir jetzt? Was kommt als nächstes? Die 3GSM brachte ihr erstes System für die Gebirgscharakterisierung im Jahr 2005 auf den Markt. Es bestand aus einer Digitalkamera sowie Softwarekomponenten zur Erstellung von 3D-Bildern und geologischer Kartierung. Es dauerte einige Jahre, bis solche Systeme zu einem Standard auf Tunnelbaustellen wurden. Dieselben Prinzipien wurden später auch bei mechanischen Vortrieben mit TBM im Hartgestein angewendet, was 2016 zu einer ersten regelmäßigen Anwendung führte. Dieser Beitrag bietet eine Beschreibung des gegenwärtigen Stands der Technik in der digitalen Gebirgscharakterisierung sowie mögliche Erweiterungen, die derzeit bereits verfügbar sind, z. B. die Verwendung von Tablet-Computern für die Gebirgscharakterisierung vor Ort oder analytische (automatische) Gebirgscharakterisierung. Es endet mit einem Ausblick, was als nächstes in der näheren Zukunft kommen kann, z. B. die Verwendung von “Mixed-Reality-Brillen” im Tunnel.
Source:	Geomechanics and Tunnelling 10 (2017), No. 5
Page/s:	561-566
Language of Publication:	English/German

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