Review of rock-mass rating and tunneling quality index systems for tunnel design: Development, refinement, application and limitation

H Rehman, W Ali, AM Naji, J Kim, RA Abdullah, H Yoo - Applied sciences, 2018 - mdpi.com
Although rock-mass rating (RMR) and tunneling quality index (Q) systems are used in
different rock engineering projects as empirical design tools, their application in tunnel …

Stability assessment of landslide-prone road cut rock slopes in Himalayan terrain: a finite element method based approach

SP Pradhan, T Siddique - Journal of Rock Mechanics and Geotechnical …, 2020 - Elsevier
Large-scale slope destabilization could be aggravated due to swift urbanization and ever-
rising demands of geoengineering projects such as dams, tunnels, bridges and widening …

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 …

Numerical determination of deformability and strength of 3D fractured rock mass

M Laghaei, A Baghbanan, H Hashemolhosseini… - International journal of …, 2018 - Elsevier
We used a systematic numerical method to determine deformability and strength parameters
of a fractured rock mass with irregular and stochastic fracture systems in 3D. In this case …

Estimation of the Poisson's Ratio of the Rock Mass

S Narimani, SM Davarpanah, B Vásárhelyi - Periodica Polytechnica Civil …, 2024 - pp.bme.hu
The value of Poisson's ratio is a crucial parameter in rock mechanics and engineering for
both intact rock and rock mass. Poisson's ratio has not gotten the attention it merits …

Influence of water content on the mechanical parameters of the intact rock and rock mass

B Vásárhelyi, M Davarpanah - Periodica Polytechnica Civil Engineering, 2018 - pp.bme.hu
The goal of this paper is to present the influence of the water saturation of the intact rock on
different mechanical parameters, such as internal friction angle, cohesion, Hoek-Brown …

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 …

Monte Carlo simulation (MCS)-based uncertainty analysis of rock mass quality Q in underground construction

H Lu, E Kim, M Gutierrez - Tunnelling and Underground Space Technology, 2019 - Elsevier
Uncertainties in a rock mass quality measure are due largely to the inherently
heterogeneous nature of the rock mass itself. Traditional deterministic methods for the …

Geotechnical assessment of cut slopes in the landslide-prone Himalayas: rock mass characterization and simulation approach

T Siddique, MEA Mondal, SP Pradhan, M Salman… - Natural Hazards, 2020 - Springer
The roadway networks serve as arteries for the ongoing socio-economic activities within the
Himalayan region. The perilous conditions of geologically active and fragile terrain are …

Acoustic emission investigation on scale effect and anisotropy of jointed rock mass by the discrete element method

Z Chong, Q Yao, X Li, K Shivakumar - Arabian Journal of Geosciences, 2020 - Springer
We investigate herein the scale effect and anisotropy of jointed rock mass (JRM) from the
perspective of acoustic emission (AE) characteristics and estimate the size of the …