Risk Analysis for Ground Failure by Liquefaction

by Mishac K. Yegian, (A.M.ASCE), Asst. Prof. of Civ. Engrg.; Northeastern Univ., Boston, Mass.,
Robert V. Whitman, (F.ASCE), Prof. of Civ. Engrg.; Massachusetts Inst. of Tech., Cambridge, Mass.,

Serial Information: Journal of the Geotechnical Engineering Division, 1978, Vol. 104, Issue 7, Pg. 921-938

Document Type: Journal Paper


A risk analysis has been developed for studying the likelihood of earthquake-induced ground failure by liquefaction. In this analysis, a new empirical method for evaluating the liquefaction potential at a site is employed. The method is based on interpretation of case histories in terms of earthquake magnitude and hypocentral distance. Employing this method, the probability of liquefaction at a site, as a function of earthquake magnitude and hypocentral distance, is first evaluated and then integrated over all magnitudes and distances of interest to obtain the total overall annual probability of liquefaction at the site. An example study is included in which the overall risk of liquefaction at a site is evaluated.

Subject Headings: Failure analysis | Risk management | Site investigation | Earthquakes | Earthquake magnitude scale | Soil liquefaction | Case studies | Probability

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