Results 11 to 20 of about 273,199 (309)

Geotechnical and Geophysical Investigations of Estimating Rock Mass Properties

Iraqi Geological Journal, 2023
Accurate assessments of the deformation and strength properties of rock masses are essential for analysing the foundations, subsurface excavation, and construction of slopes, however, identifying geotechnical properties, particularly weak rock ...
Krikar Noori, Younis Alshkane, Kamal Rashed   +2 more
doaj   +1 more source

Assessment of rock slope stability using slope stability probability classification (SSPC) system, around AlemKetema, North Shoa, Ethiopia

Scientific African, 2021
This research was conducted in an area around AlemKetema, North Showa, central Ethiopia; with a general objective of conducting a rock slope stability assessment on the selected natural rock slope sections.
Dawit Asmare, Trufa Hailemariam
doaj   +1 more source

Analysis of Support Systems and Excavation Methods Based on Rock Mass Quality in the Intake Tunnel of the Jlantah Dam [PDF]

E3S Web of Conferences, 2021
Research on the classification of rock mass quality in the intake tunnel Jlantah dam has not been carried out in detail because the research focuses on the location of the main dam so that empirical excavation methods and support systems have not been ...
Putera Doni Apriadi, Hendrayana Heru, Setiawan Hendy   +2 more
doaj   +1 more source

Rock Mass Classification for Columnar Jointed Basalt: A Case Study of Baihetan Hydropower Station

Geofluids, 2020
Rock mass classification is important in preliminary design of geotechnical engineering projects. Using the columnar jointed basalt at the foundation of Baihetan Hydropower Station as an example, this paper presents a classification scheme of the ...
Shiyue Zhang, Mingjie He, Jinjian Gu, Zhihao Cui, Jian Wang, Lin Zhong, Qingxiang Meng, Huanling Wang   +7 more
doaj   +1 more source

A probability prediction method for the classification of surrounding rock quality of tunnels with incomplete data using Bayesian networks

Scientific Reports, 2022
The classification of surrounding rock quality is critical for the dynamic construction and design of tunnels. However, obtaining complete parameters for predicting the surrounding rock grades is always challenging in complex tunnel geological ...
Junjie Ma, Tianbin Li, Xiang Li, Shuanglong Zhou, Chunchi Ma, Daqiang Wei, Kunkun Dai   +6 more
doaj   +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

Updating of the Hierarchical Rock Mass Rating (HRMR) system and a new subsystem developed for weathered granite formations [PDF]

, 2014
The RMR system is still very much applied in rock mechanics engineering context. It is based on the evaluation of six weights to obtain a final rating.
Berry, Bieniawski, Cortez, Hastie, Lima, Miranda, Miranda, Sousa   +7 more
core   +2 more sources

Tensile Strength of Geological Discontinuities Including Incipient Bedding, Rock Joints and Mineral Veins [PDF]

, 2016
Geological discontinuities have a controlling influence for many rock-engineering projects in terms of strength, deformability and permeability, but their characterisation is often very difficult.
A Brzovic, A Turichshev, AS Khan, AV Turkington, CN Waters, D Saiang, DQ Dan, DU Deere, F Tating, G Barla, HB Li, I Hawkes, ISRM, ISRM, J. Shang, JF Liu, JGM Mier, JJ Liao, K Hashiba, L. J. West, M Cravero, MA Perras, N Aitkenhead, N Erarslan, NJ Soper, P Paronuzzi, S Okubo, S. R. Hencher, SR Hencher, SR Hencher, SR Hencher, SR Hencher, W Wang, WBR King   +33 more
core   +3 more sources

Revisiting rock classification to estimate rock mass properties

Journal of Rock Mechanics and Geotechnical Engineering, 2019
This paper presents the results of ongoing research carried out by the author exploring methods to provide a more robust estimate of rock mass properties specifically for use in tunnel design.
Robert Bertuzzi
doaj   +1 more source

Mechanical Parameters of Deep-Buried Coal Goaf Rock Mass Based on Optimized GSI Quantitative Analysis

Advances in Civil Engineering, 2021
In order to obtain the accurate mechanical parameters of deep-buried coal goaf rock mass, the limitation of geological strength index (GSI) in concealed rock mass is analyzed.
Qingqiu Wang, Mo Xu, Yunhui Zhang, Xinyu Cen, Xingwang Chang   +4 more
doaj   +1 more source