13. Reliability index versus safety factor for coal mine spoil pile stability
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Published:1991
D. J. Williams, J. Z. Zou, J. Graham, 1991. "13. Reliability index versus safety factor for coal mine spoil pile stability", Slope stability engineering developments and applications: Proceedings of the international conference on slope stability organized by the Institution of Civil Engineers and held on the Isle of Wight on 15–18 April 1991, The Institution of Civil Engineers
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The paper presents the results of statistical analyses of data collected on the geotechnical properties of typical spoil materials in the Bowen Basin Coalfields of Queensland, Australia. These data have been used in an improved first order, second moment analysis of the reliability of spoil pile slopes, developed from an available two-wedge, limit equilibrium solution. Comparisons have been made between the traditional safety factor and the more appropriate reliability index for a particular (worst case) spoil pile geometry.
INTRODUCTION
SPOIL PILE GEOMETRY
STATISTICAL ANALYSIS OF SPOIL PILE PROPERTY DATA
TWO-WEDGE FAILURE ANALYSIS
RELIABILITY ANALYSIS
COMPARISON OF SAFETY FACTOR AND RELIABILITY INDEX VALUES
CONCLUSIONS
ACKNOWLEDGEMENTS
REFERENCES
