Journal ArticleDOI
Pillar strength in underground stone mines in the United States
TLDR
In this paper, a survey of pillar performance was carried out to identify potential modes of instability, such as spalling of the hard brittle rocks, shearing along pre-existing angular discontinuities or progressive extrusion of soft infill materials on bedding planes.About:
This article is published in International Journal of Rock Mechanics and Mining Sciences.The article was published on 2011-01-01. It has received 165 citations till now.read more
Citations
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Journal ArticleDOI
Comparative performance of six supervised learning methods for the development of models of hard rock pillar stability prediction
TL;DR: Six supervised learning algorithms, including linear discriminant analysis, multinomial logistic regression, multilayer perceptron neural networks, support vector machine (SVM), random forest (RF), and gradient boosting machine are evaluated for their ability to learn for PS based on different input parameter combinations.
Journal ArticleDOI
Predicting Hard Rock Pillar Stability Using GBDT, XGBoost, and LightGBM Algorithms
TL;DR: The proposed methodology can provide a reliable reference for pillar design and stability risk management and achieve a better comprehensive performance than other ML algorithms.
Journal ArticleDOI
An Experimental and Numerical Study on Cracking Behavior of Brittle Sandstone Containing Two Non-coplanar Fissures Under Uniaxial Compression
TL;DR: In this paper, the authors conducted uniaxial compression experiments to evaluate the influence of ligament angle on the strength, deformability, and fracture coalescence behavior of rectangular prismatic specimens of brittle sandstone containing two non-coplanar fissures.
Journal ArticleDOI
AE event rate characteristics of flawed granite: from damage stress to ultimate failure
Jian-Zhi Zhang,Xiao-Ping Zhou +1 more
TL;DR: In this paper, the authors conducted uniaxial compression tests with combined acousto-optical monitoring techniques on flawed granite specimens, with the aim of investigating the fracture-related acoustic emission (AE) event rate characteristics at the unstable cracking phase in flawed rocks.
Journal ArticleDOI
Analysis of Gateroad Stability in Relation to Yield Pillar Size: A Case Study
TL;DR: In this paper, the authors present an integrated approach for field test and numerical modeling to investigate the relationship between gateroad stability and yield pillar size. But, the proposed numerical simulation procedure and calibrated method could be a viable alternative approach to yield pillar design.
References
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Book
Engineering rock mass classifications
TL;DR: The Caracterisation Reference Record (CR) was created on 2004-09-07, modified on 2016-08-08 as discussed by the authors, and was used for classification of classification labels.
Book
Rock Mechanics: For Underground Mining
B. H. G. Brady,Edwin T. Brown +1 more
TL;DR: In this article, the authors discuss the effects of pre-mining state of stress and infinitesimal strain on rock mass structure and characterisation, as well as mine stability, mine seismicity and rockbursts.
Book
Reliability-Based Design in Civil Engineering
TL;DR: The Genie civil reference record was created on 2004-09-07, modified on 2016-08-08 as mentioned in this paper, and was used for the verification of Fiabilite Dimensionnement.
Journal ArticleDOI
Modelling brittle failure of rock
TL;DR: In this article, the authors present a continuum modeling approach that captures an essential component of brittle rock mass failure, that is, cohesion weakening and frictional strengthening (CWFS) as function of rock damage or plastic strain.
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An experimental and numerical study of fracture coalescence in pre-cracked specimens under uniaxial compression
Heekwang Lee,Seokwon Jeon +1 more