1. Engineering Geology 91 (2007) 194 – 208 www.elsevier.com/locate/enggeoEmpirical and numerical analyses of support requirements for a diversion tunnel at the Boztepe…

1. Question: What do you understand by the term RMR? How it is used for designing a support plan for u/g mine workings. Draw a RMR based support plan for B&P development…

1. STRESS MAPPING FOR RE- ORIENTATION OF GALLERIES IN PVK-5 Incl. Dr.D.N.SHARMA Dy.General Manager(Geo) Exploration Division / RG1 • In PVK mine, King Seam workings reached…

International Journal of Rock Mechanics & Mining Sciences 39 (2002) 771â788 TBM performance estimation using rock mass classifications M. Sapignia, M. Bertib,*, E. Bethazc,…

A comparative review in regards to estimating bearing capacity in jointed rock masses in northeast Jordan Ali El-Naqa Abstract There are a number of different methods used…

Slide 1 Supports, lining and ventilation Slide 2 Support needs In soft ground tunnelling immediate support must be provided by a stiff lining. In such a case, the ground…

IS 13365(Part1):1998 QUANTITATIVE CLASSIFICATION SYSTEMS OF ROCK MASS - GUIDELINES PART 1 ROCK MASS RATING (R/W) FOR PREDICTING ENGINEERING PROPERTIES ICS 93.020 e-j 131s…

ORIGINAL PAPER Estimation of the Rock Deformation Modulus and RMR Based on Data Mining Techniques Francisco F. Martins • Tiago F. S. Miranda Received: 16 June 2011 / Accepted:…

Original Paper Application of Rock Mass Characterization for Determining the Mechanical Properties of Rock Mass: a Comparative Study Mahmoud Hashemi1 , Sh. Moghaddas2 and…

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