Study of Rock Mass Rating (RMR) and Geological Strength index (GSI) correlations in granite, siltstone, sandstone and quartzite rock masses

G Somodi, N Bar, L Kovács, M Arrieta, Á Török… - Applied Sciences, 2021 - mdpi.com
A comprehensive understanding of geological, structural geological, hydrogeological and
geotechnical features of the host rock are essential for the design and performance …

Comparison of different calculation methods of Geological Strength Index (GSI) in a specific underground construction site

G Somodi, Á Krupa, L Kovács, B Vásárhelyi - Engineering Geology, 2018 - Elsevier
Abstract The Hoek-Brown (HB) empirical failure envelope is widely used for calculating the
mechanical behavior of the rock mass. An important input parameter of the HB failure …

Variability of the GSI index estimated from different quantitative methods

GL Morelli - Geotechnical and Geological Engineering, 2015 - Springer
The main purpose of this paper is to present the results of a comparative analysis of the GSI
values predicted by different empirical equations currently available in literature which apply …

Quantifying the influence of variations in rock mass properties on stope stability

S Shnorhokian, H Mitri - Journal of Sustainable Mining, 2022 - jsm.gig.eu
Variations in rock mass properties are well-established in rock mechanics and underground
mining. The literature is replete with methods of assessing them and determining values that …

Determining the Geological Strength Index (GSI) using different methods

B Vásárhelyi, G Somodi, Á Krupa, L Kovács - ISRM EUROCK, 2016 - onepetro.org
During the design process in rock engineering Hoek-Brown failure envelope is used for the
determination of rock mass failure envelope mainly in brittle rocks. An important input …

Variability of intact rock mechanical properties for some metamorphic rock types and its implications on the number of test specimens

G Pepe, A Cevasco, L Gaggero, R Berardi - Bulletin of Engineering …, 2017 - Springer
Intact rock strength and stiffness properties are commonly used in rock mass mechanical
characterization, and their evaluation is usually based on laboratory tests. Due to the …

Excavation damage zone behaviour under static and dynamic loading: Case studies from Bátaapáti radwaste repository

F Deák - 2023 - search.proquest.com
As of 2022, there are 437 operable power reactors in the world, with a combined electrical
capacity of 393 GW. Additionally, there are 57 reactors under construction and 102 reactors …

Quantifying uncertainty in rock mass properties: Implications for GSI, RMi, and RMR assessments

N Abbas, KG Li, MZ Emad, A Khan - … of the Southern African Institute of …, 2024 - scielo.org.za
Probability-based empirical methods were employed as an alternative approach to
predicting uncertainties associated with rock mass properties. The focus was on develo** …

Estimating the Geological Strength Index (GSI) in Regional Seismic‐Landslide Zonation Using the Empirical Regression Model

ME Mirabedini, E Haghshenas… - Advances in Civil …, 2022 - Wiley Online Library
The assessment of the strength parameters of geological formations in regional scale which
encounters thousands of slopes is a complicated approach and time consuming and needs …

Modification of Hoek-Brown criterion and evaluation of rock mass quality in tunnel vibration damaged area

X **e, J Li, Y Zheng - … Dynamics: Progress and Prospect, Volume 1, 2023 - taylorfrancis.com
When blasting is used for excavation, blasting and stress relaxation will seriously affect the
mechanical properties of the rock mass around the tunnel and form an excavation damage …