Computer Applications in Liquefaction Analysis

by Sivanuja S. Sundaram, (M.ASCE), MAA Engineering Consultants, Inc, Los Angeles, United States,
K. K. Muraleetharan, (M.ASCE), MAA Engineering Consultants, Inc, Los Angeles, United States,

Document Type: Proceeding Paper

Part of: Computing in Civil Engineering


This paper discusses the applications of total and effective stress based computer programs for liquefaction analysis. A total stress based computer program, SHAKE in conjunction with Seed's simplified method for liquefaction analysis and an effective stress based computer program, DYSAC2 are used to evaluate the liquefaction potential of a typical soil profile. The response spectra and acceleration-time history obtained from the two programs under liquefaction conditions are compared. The pros and cons of using the two methods are discussed.

Subject Headings: Soil liquefaction | Stress analysis | Computer analysis | Finite element method | Soil analysis | Effective stress | Computer models

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