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<p>Rock Mass Classification is the process of placing a rock mass into groups or classes on defined relationships (Bieniawski, 1989) and assigning a unique description (or number) to it on the basis of similar properties/characteristics such that the behavior ...
Reference: TU Bergakademie Freiberg, Institut für Geotechnik, Gustav-Zeuner-Straße 1
<p>In the construction of a tunnel, the characterization of the rock mass is performed in three different steps, in the pre-investigations, in the engineering geological forecast and in the tunnel mapping during construction. There has in previous work been ...
Reference: DEGREE PROJECT IN CIVIL ENGINEERING AND URBAN MANAGEMENT, SECOND CYCLE, 30 CREDITS STOCKHOLM, SWEDEN 2016
In this work Data Mining tools are used to develop new and innovative models for the estimation of the rock deformation modulus and the Rock Mass Rating (RMR). A database published by Chun et al. (2008) was used to develop these models. The parameters of ...
Reference: Geotechnical and Geological Engineering August 2012, Volume 30, Issue 4, pp 787-801
In this study, applicability of the excavatability classification systems in underground excavations is investigated. For this purpose, the entrance portal of the Konakönü (Araklı-Trabzon) tunnel, excavated in volcanic rocks within the scope of Black Sea coastal ...
Reference: Scientific Research and Essays Vol. 6(25), pp. 5331-5341, 30 October, 2011
This paper aims to provide a correlation between the two quality indexes, with the intention of supplying a tool to aid in both the design phase and the daily control of work execution. The formulas were obtained from the on-site observation of rocky masses ...
Reference: Revista de la Construcci? Volumen 9 No 1 - 2010
<p>This paper is about the rock quality designation RQD and the review of its limitations.</p> <p>The rock quality designation, RQD, is a commonly used index for the description of rock mass fractured state. The RQD was initially introduced for civil engineering ...
Reference: ROCKENG09: Proceedings of the 3rd CANUS Rock Mechanics Symposium, Toronto, May 2009
The main rockmass classification systems make use of similar rockmass parameters. It is therefore shown how the input parameters of the RMR, Q and RMi systems can be combined into one set of tables. These enable the ground quality to be found directly and ...
Reference: Palmstrom, A., 2009: Combining the RMR, Q, and RMi classification systems. www.rockmass.net, 25p
The paper presents geological and engineering geological characteristics of the flysch in outlined area which is expected to have a lot of similarities with very well defined and investigated flysch deposits in Split.The investigated area belongs to the ...
Reference: II European Conference of International Association for Engineering Geology Madrid, Španjolska, 15.-19.09.2008.
<p>The focus of this study is on potential damages to buildings resulting from expansive soils in Tanzania, particularly clay soils in Kibaha. For the fact that most of the affected structures are founded on expansive soils, a clear understanding of the behaviour ...
Reference: Doctoral Thesis, Division of Soil and Rock Mechanics, Department of Civil and Architectural Engineering, Royal Institute of Technology, Stockholm, Sweden 2008
After 35 years of use throughout the tunnelling world, the RMR and Qclassifications have proved themselves on numerous projects. They stillface misconceptions however, as reflected in recent articles in T&amp;TInternational. Here, Nick Barton, of Nick Barton ...
Reference: Tunnels & Tunnelling International FEBRUARY 2008