Research Article
Jun 1976
Earth Slope Reliability by a Level-Crossing Method
Publication: Journal of the Geotechnical Engineering Division
Volume 102, Issue 6
Abstract
An approximate formulation for the reliability analysis of earth slopes was derived by transforming the slope reliability analysis problem into a level-crossing problem, solved approximately by finding the expected number of minima of the safety margin (process) that lie below zero. The main feature of the solution is that, in effect, it considers the slope as a series system with an infinite number of (correlated) failure modes. The formulation was used to estimate the probability of failure of specific earth slopes. The results obtained imply that the use of the failure mode of least reliability to approximate the probability of failure of the slope may be highly unconservative and may predict incorrectly even the signs of changes in the slope reliability with changes in parameter values.
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Published In
Journal of the Geotechnical Engineering Division
Volume 102 • Issue 6 • June 1976
Pages: 591 - 604
Copyright
© 1976 American Society of Civil Engineers.
History
Published in print: Jun 1976
Published online: Feb 11, 2021
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J. Morlá Catalán
Struct. Engr., Iglesias, Vazquez, Del Nido, and Bonnet, Puerto Rico; formerly, Grad. Student, Massachusetts Inst. of Tech., Cambridge, Mass
C. Allin Cornell, M.ASCE
Prof. of Civ. Engrg., Massachusetts Inst. of Tech., Cambridge, Mass
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.