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Author(s):	Galler, Robert; Handke, Dieter; Nolden, Mario
Title:
Abstract:	The success of mechanised tunnelling is greatly influenced by the interactive behaviour of machine and ground. A multitude of published research and practice reports documents the problem of a targeted forecast based on tests and forecasting models [19]. The paper describes the currently used methods of estimating performance-relevant parameters, including current research into the subject of crack propagation in solid rock and developments in disc force measurement on the tunnel boring machine and its forecasting from laboratory tests. Der Erfolg eines maschinellen Tunnelvortriebs wird maßgeblich vom Interaktionsverhalten Maschine-Baugrund bestimmt. Die Vielzahl der veröffentlichten Forschungs- und Praxiserfahrungen dokumentiert die Problematik einer zielgerichteten Prognose auf der Basis von Versuchen und Prognosemodellen [19]. Im Beitrag werden die derzeit zur Anwendung kommenden Methoden zur Abschätzung leistungsrelevanter Parameter unter Einbeziehung der aktuell laufenden Forschungen zum Thema Rissausbreitung im Festgestein sowie der Entwicklungen zur Diskenkraftmessung an der Tunnelvortriebsmaschine und deren Prognose anhand von Laborversuchen dargelegt.
Source:	Geomechanics and Tunnelling 7 (2014), No. 5
Page/s:	511-519
Language of Publication:	English/German

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