Journal ArticleDOI
Stability, instability and design of pillar workings
TLDR
In this article, the stability of pillar workings is discussed by generalizing the simple mechanism of the laboratory test to the mining situation, and it is proved that the workings will remain stable, regardless of the magnitude of the convergence experienced by the pillars, if the minimum slope of the load-convergence relations is greater than the smallest eigenvalue of K taken with a negative sign.About:
This article is published in International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts.The article was published on 1970-11-01. It has received 227 citations till now. The article focuses on the topics: Stiffness matrix & Rock mass classification.read more
Citations
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Statistical evaluation and time series analysis of microseismicity, mining, and rock bursts in a hard-rock mine
TL;DR: In this paper, the authors present a survey of the state-of-the-art tools and techniques used in the development of the HOGA algorithm and its application in the field of artificial intelligence.
Journal ArticleDOI
Theoretical and experimental investigation of sliding instability in blocky rock system triggered by external disturbance
TL;DR: In this article, the triggering mechanism of sliding type rockbursts induced by external disturbance was investigated, and a non-dimensional impact energy parameter was derived to quantify the critical conditions of different types of sliding failure events along structural plane.
Journal ArticleDOI
Catastrophic Failure and Critical Scaling Laws of Fiber Bundle Material
TL;DR: A spring-fiber bundle model used to describe the failure process induced by energy release in heterogeneous materials is presented, revealing that the relative rates of deformation of, and damage to the fiber bundle with respect to the boundary controlling displacement ε0 exhibit universal power law behavior near the catastrophic point.
Journal ArticleDOI
Mechanism of Strain Burst by Laboratory and Numerical Analysis
TL;DR: In this article, a geomechanial model and a numerical model of strain burst due to excavation are built, respectively, and the failure phenomenon, deformation, and released energy from the roof and floor are analyzed.
References
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Journal Article
A study of the strength of coal pillars
A.H. Salamon,M.D.G. Munro +1 more
TL;DR: In this paper, the strength of coal pillars in South African collieries is derived based on data obtained from a survey of actual mining dimensions, which include information concerning both stable and collapsed areas of mining.
Journal ArticleDOI
The failure of rock
TL;DR: In this paper, an analysis of the energy changes associated with the extension of Griffith cracks in tension and compression is made, which shows that the non-elastic behaviour can be described by a curved Griffith locus in the strain-stress plane.