A complete probabilistic analysis for pore pressure development in layered horizontal soil deposits based upon nonstationary random vibration theory is developed in this study. This analysis includes: modeling the earthquake ground motions; performing a response analysis; and application of a probabilistic pore pressure generation model. By means of this complete analysis, a set of seismic fragility curves can be constructed such that the probability of liquefaction at any depth within a given soil profile can be expressed as a function of the Root Mean Square (RMS) of acceleration and duration of the earthquake excitation. The random vibration method developed herein provides an alternative approach to conventional deterministic equivalent uniform cycle methods for evaluating liquefaction potential.
|Original language||English (US)|
|Title of host publication||Report - Stanford University, John A. Blume Earthquake Engineering Center|
|State||Published - Aug 1 1987|
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