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WORKING
ADDRESS:
Dept. of Civil Engineering
California State Polytechnic University,
3801 West Temple Avenue,
Pomona, CA 91768
Phone: (909)-869 2488
Fax: (909)-869 4342
I am a lecturer at the Department of Civil Engineering,
California State Polytechnic University, Pomona, California. I am an old boy of
J/Hartley College, Sri Lanka. I am
from Jaffna(Vathiry), Sri Lanka. I earned my Bachelor
of Science degree in Engineering from the University
of Peradeniya, Sri Lanka in Civil Engineering. I got my Master of Science
(MSc.) and Doctor of Philosophy(Ph.D.) degree in Engineering from the University of California, Davis in
Geotechnical Earthquake Engineering. My advisor was Professor K. Arulanandan
(MS Cambridge(UK), PhD Berkeley(USA)). My area of research is mainly focused on
the evaluation of liquefaction potential of sites using effective stress based,
non-linear, fully-coupled, finite element method based numerical procedures
with elastoplastic constitutive models and non-destructive in-situ testing.
Before-the-event evaluation of the response of infrastructure systems and
facilities such as buildings, bridges, port facilities, etc. to natural hazard
(earthquake) require in-situ site characterization and validated numerical
procedure. These procedures will also help to determine appropriate mitigation
measures in addition to the design of safe and economical facilities. I have
been using DYSAC2 and SUMDES computer programs to do the numerical analyses. I
developed an effective stress based, non-linear, fully-coupled, finite element
method based numerical procedure (u-p formulation) with elastoplastic
constitutive models to simulate the stress-strain response of soils, to
evaluate the liquefaction potential of the soil deposits as a part of my
doctoral research applied to several centrifuge model tests prediction, after
the event evaluation and before the event evaluation of the existing
facilities.
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