Liquefaction Study — A Decision Analysis Framework

by Achintya Haldar, (M.ASCE), Asst. Prof.; School of Civ. Engrg., Georgia Inst. of Tech., Atlanta, Ga.,

Serial Information: Journal of the Geotechnical Engineering Division, 1980, Vol. 106, Issue 12, Pg. 1297-1312

Document Type: Journal Paper


A decision analysis framework is developed here to study the liquefaction problem. When the liquefaction risk of a site is found to be unacceptable, several alternatives could be attempted. However, economic as well as technical aspects need to be considerd in selecting the best solution. This type of study would be particularly helpful if the limitation or elimination of damage associated with liquefaction is a design criterion. In this paper, several design alternatives for a liquefaction study have been identified and a decision tree is used to organize essential information. A decision can be made with available information or with additional information if additional time and money are available. Collection of additional information may not be always desirable for all projects. It depends on many factors and they are identified here. If the additional information is disirable, the maximum amount of money that should be spent can also be estimated from this study.

Subject Headings: Soil liquefaction | Frames | Risk management | Economic factors | Trees | Data collection

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