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Liquefaction mapping in finite element simulations Kirk C. Ellison i
 

Summary: Accepted
M
anuscript
N
otC
opyedited
Liquefaction mapping in finite element simulations
Kirk C. Ellison i
, S.M. ASCE and Jos´e E. Andradeii
, A.M. ASCE
Abstract
Recent criteria have been developed to describe the onset of static liquefaction in constitutive
models. This paper expands the theory to a finite element framework in order to predict
potentially unstable regions in granular soils at the engineering scale. Example simulations
are presented for two plane strain tests and a submarine slope to demonstrate the applicability
of a proposed liquefaction criterion to boundary value problems. In addition, loading rate and
mesh size effects on the liquefaction prediction are examined. The methodology presented
herein shows promise as a means of predicting soil liquefaction based on solid mechanical
theory rather than empiricism.
i

  

Source: Andrade, Jose - Department of Civil and Environmental Engineering, Northwestern University

 

Collections: Engineering