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Keywords: classification
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Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-042
...Mechanics and Rock Engineering, from Theory to Practice IOP Publishing IOP Conf. Series: Earth and Environmental Science 833 (2021) 012046 doi:10.1088/1755-1315/833/1/012046 Classification of natural and engineered rock slopes using UAV photogrammetry for assessing stability N Bar1, L Borgatti2, D...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-058
... andesite 0 100 112 4.86 Slightly altered andesite 87 0.28 77,6 3.78 BIM Rock in weathered zones 42 0.79 37.5 1.82 BIM Rocks In Fault zone 23 1 20.5 1.34 In Zolotarev s original classification [12], the values Vr = 0.9 1 are for highly weathered (altered) rocks, Vr=0.7-0.9 for weathered rock, Vr = 0.3...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-037
... hydromechanical models. The approach allows to populate these models with more realistic parameters which incorporate also the effect of fractures on the rock mass behaviour. Obtained results are subsequently compared with conventional engineering rock mass classifications. The applied workflow allows...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-064
... of the rocks is one of the crucial factors that drastically reduces the engineering properties of the rocks. geologist india government classification rock engineering asia government geological subdiscipline environmental science 833 upstream oil & gas reservoir geomechanics practice iop...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-137
..., both in mining as well as in civil engineering projects. The quality of the excavation depends on many factors, some of which are out of the control of the project designers (i.e. the natural conditions of the rock mass, summarized in rock mass classifications), whereas others are directly related...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2020, June 14–19, 2020
Paper Number: ISRM-EUROCK-2020-011
... at the European Organization for Nuclear Research (CERN). One of the study's main challenge is the handling of more than 9.1 million m3 of tunnel excavation material. As a matter of fact, this requires a sophisticated geo-scientific and technical classification of FCC's proposed excavated geological units...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2020, June 14–19, 2020
Paper Number: ISRM-EUROCK-2020-027
.... The tunnelling status of TBM are classified into four classes, and in certain class of rock mass (BQ classification), the tunnelling status of TBM varies from good to bad, which means operational parameters may not be set properly, to obtain better TBM performance, operational parameters should be adjusted...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-145
... Upstream Oil & Gas Reservoir Characterization Siltstone classification reservoir geomechanics shale slake durability test grain size curve slake durability index natural climatic condition rock mass disintegration permian-age siltstone characteristic procedia engineering 191...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-170
... Multilayer Neuro Network and Radial Basis Function Network, SVMs is used for pattern classification and nonlinear regres- sion. SVMs can provide very good generalization performance in the aspect of pattern classification. 1055 Figure 1. Support Vector Machines (SVMs) system structure. SVMs system structure...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-160
...-sectional shape for cavern, arched ceil- ing and a cross-sectional vertical side walls. But in weaker rocks and high tensions often oval cross- section (horseshoe) can be used. In designing tunnel supports, the RMR rock mass classification system have been employed by many researchers and have gained...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-177
... of the slake durability test (changes in size and shape) has allowed to propose a classification of the slake behavior of these lithologies. Additionally, the new proposed slake behavior classes were compared with the weathering patterns and weathering profiles observed in the same lithologies in the field...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-154
... & Gas experimentation diameter different location classification material property lining rock mass deformation soft rock unlined tunnel tunnel Rock Mechanics and Rock Engineering: From the Past to the Future Ulusay et al. (Eds) © 2016 Taylor & Francis Group, London, ISBN 978-1-138-03265...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-199
... detected during the monitored period. Classification and location of microseismic events had also been attempted but resulted challenging due to the complex structural and morphological setting of the cliff. 1 INTRODUCTION An appropriate monitoring of unstable rock masses may provide a better knowledge...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-010
... for implementing rock mass classifications in tunnels and caverns. 1 INTRODUCTION CONSTRAINTS IN UNDERGROUND WORKS The characterization of faults and fractures is a key point in rock mechanics, discontinuities being one of the most important aspects when describing a rock mass or when modelling...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-049
... Ecevit University, Turkey G. Bacak Geological Engineering Department, Bülent Ecevit University, Turkey ABSTRACT: Weathering has several effects on the physical, strength and material behaviour characteristics of rocks. Various researchers have attempted to obtain weathering classifications using...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-096
..., its applicability is not discussed in previous studies (Tokashiki & Aydan 2010). Reservoir Characterization strength cantilever beam classification stability compressive strength reservoir geomechanics Island evaluation Artificial Intelligence Aydan geology RMQR rock cliff...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-103
... proposed different formu- las of SMR, therefore to get optimum value of SMR, an approach was carried out through modification (Zakaria et al. 2015). Geomechanics classification is based on Rock Mass Rating (Bieniawski, 1989). The study is conducted in a coal mining which elongated at South Kalimantan...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-090
..., 33 of which belonged to the W1 weathering degree, 28 to the W2 and 24 to the W3. As the weathering degree increased, the ultrasonic velocity of propagation decreased. In line with the IAEG (1979) classification, the Vp was classified as medium for the W1 and W2 samples and low for the W3 samples...

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