![]() In order to accomplish this task, literature survey was carried out, followed by a comprehensive field study and laboratory testing. The main objective of rock mass classifications carried out in this study was to obtain adequate data that could be used in future excavation and support-design studies. During studies, the geological and geotechnical characteristics of the rock mass along the Dim Tunnel route were investigated. Dim Tunnel has a horse-shoe shape, with a diameter of 10 meters and maximum overburden thickness of 70 meters. The tunnel ground was classified according to Rock Mass Rating (RMR), Modified Rock Mass Rating (M-RMR), Rock Mass Quality (Q,) Geological Strength Index (GSI), and New Austrian Tunneling Method (NATM). In this thesis, the results of a number of rock mass classification systems applied to Dim-highway tunnel study area are presented. ![]()
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