Liquefaction-induced lateral spreading in Lo Rojas, Coronel, field study and numerical modelling
DOI:
https://doi.org/10.4067/S0718-28132015000100013Keywords:
Lateral-spreading, SPT, CPT, Surface-wave based methods, Empirical prediction equations, Finite element modelingAbstract
The paper describes a detailed field survey conducted at Lo Rojas fishermen port in Coronel, where extensive liquefaction induced lateral-spreading was reported for the 2010, Maule earthquake. The survey includes SPT and CPT soundings, as well as the use of some surface-based geophysical techniques. The data was used to evaluate empirical prediction lateral-spread expressions and to develop a detailed hydro-mechanical finite element model. Results of both empirical expressions and numerical models agree reasonably well with post-event field observations.
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