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Abstract: The basic purpose of this study supported by the Scientific and Technological Research Council of Turkey (TUBITAK, Project No: 213M487) is to analyze the effects of soil conditioning on the field performance of an EPB TBM used for excavation of the Mahmutbey-Mecidiyekoy metro tunnels having a total length of around 18.5 km (double tube) in Istanbul. Soil samples were obtained during the...
Abstract: Performance of a Raise Boring Machine (RBM) used in Yusufeli HEPP project in Turkey is evaluated in this study. The depth and diameter of the energy shaft are 130 m and 2.44 m, respectively. The drill core samples were obtained from the site (diabase and granodiorite) and compressive strength, tensile strength, static elasticity modulus and Poisson’s ratio, dynamic elasticity modulus and...