Affiliation(s)
1. Centers for Civil Engineering and Architectures, Kansai Electric Power Co., Inc., Fukushima Ward, Osaka, Osaka 553-0003, Japan
2. Port and Coastal Engineering Group, Newjec Inc., Kita Ward, Osaka, Osaka 531-0074, Japan
ABSTRACT
Under
the new regulatory requirements for nuclear power plants in Japan, which were enacted
in response to the nuclear accident associated
with the Great East Japan Earthquake Tsunami that occurred on 11 March 2011, it
is a requirement to establish a site-specific “standard tsunami” based on numerical
analysis considering non-seismic factors in addition to general seismic faults.
It is necessary to establish a consistent evaluation scheme for estimation of tsunami
height induced by submarine landslide, since a standard framework for evaluation
has not yet been established even though several models for calculation have been
proposed and applied in practice. In this study, we estimated the scale of submarine
landslide from a literature survey and showed examples of tsunami height evaluation
using multiple schemes. As a result of evaluation of tsunami height using three
schemes, the Watts model, the KLS model, and the modified-KLS model, the result
obtained by the KLS model was comparatively large for every case.
KEYWORDS
Submarine
landslide, landslide-induced tsunami, tsunami height evaluation, new regulatory
requirements for nuclear power plants in Japan, standard tsunami.
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References