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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 9/10
PROCEEDINGS OF THE FOURTH INTERNATIONAL CONFERENCE ON CIVIL AND STRUCTURAL ENGINEERING COMPUTING
Edited by: B.H.V. Topping
Paper XVIII.6

Microcomputer based Reliability Analysis in Geotechnics

G. Singh and C.M. Chung

Department of Civil Engineering, University of Leeds, Leeds

Full Bibliographic Reference for this paper
G. Singh, C.M. Chung, "Microcomputer based Reliability Analysis in Geotechnics", in B.H.V. Topping, (Editor), "Proceedings of the Fourth International Conference on Civil and Structural Engineering Computing", Civil-Comp Press, Edinburgh, UK, pp 241-247, 1989. doi:10.4203/ccp.9.18.6
Abstract
Probabilistic approaches encourage a healthy scepticism towards assumptions in modelling and design as well as towards the test data. This paper reflects on the various probabilistic approaches and recommends Monte Carlo Simulation as the one with the most promise of success in system reliability studies. This technique implemented in the form of interactive and tolerant educational and applications programs overcomes effectively and efficiently the limitations of the analytical approaches. An example of a retaining wall is used to illustrate the relative merits of the methods and to validate the conclusions drawn. It is argued that even an approximate answer to a right question is far more reliable than a notionally "exact" one to a wrong question; the latter being the result of gross simplification made to make the problem analytically tractable.

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