Results 31 to 40 of about 4,379 (222)

Study of Rock Mass Rating (RMR) and Geological Strength Index (GSI) Correlations in Granite, Siltstone, Sandstone and Quartzite Rock Masses [PDF]

Applied Sciences, 2021
A comprehensive understanding of geological, structural geological, hydrogeological and geotechnical features of the host rock are essential for the design and performance evaluation of surface and underground excavations. The Hungarian National Radioactive Waste Repository (NRWR) at Bátaapáti is constructed in a fractured granitic formation, and ...
Gabor Somodi, Neil Bar, László Kovács, Marco Arrieta, Ákos Török, Balázs Vásárhelyi   +5 more
openaire   +2 more sources

The Hoek–Brown failure criterion and GSI – 2018 edition

Journal of Rock Mechanics and Geotechnical Engineering, 2019
The Hoek–Brown criterion was introduced in 1980 to provide input for the design of underground excavations in rock. The criterion now incorporates both intact rock and discontinuities, such as joints, characterized by the geological strength index (GSI),
E. Hoek, E.T. Brown
doaj   +1 more source

Determination of Segari Rock Slope Excavation Technique using Geological Strength Index (GSI)

International Journal of Engineering & Technology, 2018
Segari - Ayer Tawar rock materials were generally characterized as slightly weathered (Grade II) to moderately weathered (Grade III).  Laboratory tests such as Brazilian tensile strength and point load strength index including direct shear strength were carried out using collected weathering sample from borehole to assess the rock strength.
R Roslan, RC Omar, I.N.Z. Baharuddin, Hairin Taha, M.M. Fared, W.N.S.W. Hashim   +5 more
openaire   +2 more sources

Multi-Rock Mass Classification Systems for the Assessment of Excavation Method and Support Design of Spillway Tunnel, Sidan Dam, Bali, Indonesia [PDF]

E3S Web of Conferences, 2023
This paper presents the implementation of rock mass classification systems to determine the excavation method and the support design of the Spillway Tunnel, Sidan Dam, Bali, Indonesia.
Arianto Benny, Indrawan I. Gde Budi, Warmada I. Wayan   +2 more
doaj   +1 more source

The risk of collapse in abandoned mine sites: the issue of data uncertainty [PDF]

, 2016
Ground collapses over abandoned underground mines constitute a new environmental risk in the world. The high risk associated with subsurface voids, together with lack of knowledge of the geometric and geomechanical features of mining areas, makes ...
Arosio, Diego, BRAMBILLA, DAVIDE, LONGONI, LAURA, PAPINI, MONICA, ZANZI, LUIGI   +4 more
core   +3 more sources

Hereditary model of loose mined rock layer deformation in disintegrators [PDF]

, 2018
The objective of this work is to substantiate the hereditary character of the stresses and deformations accumulation in loose mined rock during the disintegrators working surfaces convergence.
Cheberiachko, Ivan, Nadutyi, Volodymyr, Tytov, Oleksandr   +2 more
core   +1 more source

Geotechnical rock mass documentation in the Bátaapáti radioactive waste repository [PDF]

, 2014
The geologic, geotechnical and rock mechanical background of the area, which includes an underground cavern system, is very complex. Initially, to describe the rock mass properties, the RMR and Q systems were used, while the rock support system was based
Deák, Ferenc, Kovács, László, Vásárhelyi, Balázs   +2 more
core   +1 more source

ROCK MASS CLASSIFICATION SYSTEMS AND KINEMATIC ANALYSIS OF SLATES FROM DIR GROUP, NW, HIMALAYA, PAKISTAN; IMPLICATION FOR SLOPE STABILITY [PDF]

Geological Behavior, 2022
Slope stability is an important issue for the construction of roads on hill slopes. 24 slopes cuts have been investigated to determine the slope instability issues and mode of failure along the newly constructed road of Dir-Sheringal Khyber-Pakhtunkhwa ...
Aftab Ur Rahman, Zhang Guangcheng, Asghar Khan, Mohit Kumar Puniya, Sami Ur Rahman, Zeng Xin   +5 more
doaj   +1 more source

Analisis Kekuatan Massa Batugamping Dengan Menggunakan Kaidah Hoek-Brown Failure Criterion-Roclab Di Daerah Gunung Sudo Kabupaten Gunung Kidul YOGYAKARTA [PDF]

, 2015
The research area is a limestone quarry region prospect, located in Gunung Sudo, Gunung Kidul Regency, Special Region of Yogyakarta Province. Safety factor of bench in limestone quarry is extremely determined by rock mass quality.
A Kumar, AC Cheng, AC Cheng, AC Cheng, AD Thomas, B Maharjan, Bart J. Currie, BJ Currie, BJ Currie, BJ Currie, BJ Currie, C McLeod, D Limmathurotsakul, D Limmathurotsakul, DA Dance, DP Stephens, DS Sarovich, Enzo Binotto, HS Hin, James D. Stewart, JC Marshall, Joseph M. Vinetz, Josh Hanson, K Kaukonen, LR Ashdown, M Kaestli, M Kaestli, M SA Wilson, M. C. Peel, MC Pitman, P Lumbiganon, S Palasatien, Simon Smith, TJ Inglis, TJ Lo, U Parameswaran, William J. McBride, WJ Wiersinga, Y Pagnarith, Y Suputtamongkol, Y Suputtamongkol   +40 more
core   +4 more sources

Influence of data analysis when exploiting DFN model representation in the application of rock mass classification systems

Journal of Rock Mechanics and Geotechnical Engineering, 2018
Discrete fracture network (DFN) models have been proved to be effective tools for the characterisation of rock masses by using statistical distributions to generate realistic three-dimensional (3D) representations of a natural fracture network.
Takako Miyoshi, Davide Elmo, Steve Rogers   +2 more
doaj   +1 more source