Abstract
A seawall in a nuclear power station is one of the important structures to protect from tsunami. Estimation of tsunami loadings on structures is an important part of the proper design of seawalls. In this study, hydraulic flume tests was conducted to investigate the characteristics of tsunami loadings. Correlations between the loading on a seawall and the Froude number as characteristics of the tsunami flow were investigated. Finally, we proposed a new evaluation method to evaluate the design wave pressure on a seawall. A new evaluation method can predict the design wave pressure on a seawall with taking the characteristics of the tsunami flow into consideration.
Highlights
A seawall in a nuclear power station is one of the important structures to protect facilities from tsunami inundation and tsunami damage
This paper focused on the effect of the continuous wave pressure by summarizing "Water Depth Coefficients for Evaluating Tsunami Pressure on Seawall" (NTEC-2016-4001, NRA)
This paper confirmed the applicable condition of the MLIT method which was used as the design wave pressure evaluation method acting on the seawall
Summary
A seawall in a nuclear power station is one of the important structures to protect from tsunami. Estimation of tsunami loadings on structures is an important part of the proper design of seawalls. Hydraulic flume tests was conducted to investigate the characteristics of tsunami loadings. Correlations between the loading on a seawall and the Froude number as characteristics of the tsunami flow were investigated. We proposed a new evaluation method to evaluate the design wave pressure on a seawall. A new evaluation method can predict the design wave pressure on a seawall with taking the characteristics of the tsunami flow into consideration
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