[HTML][HTML] Determination of the constant mi in the Hoek-Brown criterion of rock based on drilling parameters

H Wang, M He, Z Zhang, J Zhu - … Journal of Mining Science and Technology, 2022 - Elsevier
The constant mi in the Hoek-Brown (HB) criterion is a fundamental parameter required for
determining the compressive strength of rock. In this paper, drilling parameters provide a …

Mechanical behaviour of Australian Strathbogie granite under in-situ stress and temperature conditions: An application to geothermal energy extraction

WGP Kumari, PG Ranjith, MSA Perera, S Shao… - Geothermics, 2017 - Elsevier
Geothermal heat has now been identified as an effective renewable energy source due to
severe environmental impacts created by conventional fossil usage on global climatic …

Correlation Between the Constant mi of Hoek–Brown Criterion and Porosity of Intact Rock

M He, Z Zhang, J Zhu, N Li - Rock Mechanics and Rock Engineering, 2022 - Springer
Rock strength parameters are substantially impacted by porosity. This paper proposes a
new model for presenting the relationship between porosity and the ratio of the unconfined …

The effects of blast damage zone thickness on rock slope stability

H Zheng, T Li, J Shen, C Xu, H Sun, Q Lü - Engineering Geology, 2018 - Elsevier
The selection of the blast damage zone thickness T for the Hoek-Brown (HB) criterion is
significant in open pit slope design and stability analysis. Traditional slope stability analysis …

Empirical methods of calculating the mechanical parameters of the rock mass

B Vásárhelyi, D Kovács - Periodica Polytechnica Civil Engineering, 2017 - pp.bme.hu
The knowledge of the main mechanical constants of a rock mass (such as strength,
deformability and the Poisson's ratio) is one of the most important for rock engineering …

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 …

Relation between the sliding friction angle of rock joints and the friction angle of intact cores at the brittle-ductile transition: An experimental study

A Tsikrikis, V Marinos, T Papaliangas - Bulletin of Engineering Geology …, 2024 - Springer
The sliding friction angle is a fundamental mechanical property both for intact and jointed
rocks. The aim of this paper is to compare the value of sliding friction angle obtained from …

An empirical UCS model for anisotropic blocky rock masses

F Huang, J Shen, M Cai, C Xu - Rock Mechanics and Rock Engineering, 2019 - Springer
Abstract The Hoek–Brown (HB) failure criterion is one of the most widely used failure criteria
in rock engineering. Based on the Geological Strength Index (GSI) system, a number of …

Probabilistic Characterization of Hoek–Brown Constant mi of Rock Using Hoek's Guideline Chart, Regression Model and Uniaxial Compression Test

AE Aladejare, Y Wang - Geotechnical and Geological Engineering, 2019 - Springer
Abstract The Hoek–Brown constant mi is a key input parameter in the Hoek–Brown failure
criterion developed for estimating rock mass properties. The Hoek–Brown constant mi …

Improved empirical hard rock pillar strength predictions using unconfined compressive strength as a proxy for brittleness

G Walton, S Sinha - International Journal of Rock Mechanics and Mining …, 2021 - Elsevier
Pillars are a critical component of underground mining systems, and for this reason, pillar
mechanics has historically been a major topic of rock mechanics research. In the late 20th …