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Abstract: In the framework of the FIDIC Emerald Book, the Geotechnical Baseline Report (GBR) plays a pivotal role in the management and contractual allocation of geotechnical risks between the Parties. A major distinction of the GBR concept proposed in the Emerald Book with respect to traditional GBR formats consists in the incorporation of a baseline of excavation, support and lining works, which are...
Abstract: The paper summarizes the methodological approach considered for the geotechnical design of large underground openings, with particular reference to the authors´ experiences on a number of projects developed for mining operations in Chile. The stepwise design approach includes the geotechnical model, the assessments of the stress field, relevant boundary conditions, the analysis of the rock mass...