2007 Volume 54 Pages 841-845
This report investigates the relationship between the destruction of structures and surge front tsunami force. Many houses were destroyed by large tsunamis, so it is necessary to investigate what kind of power acted and how houses broke. For this purpose, large model tests with concrete boards and a framework structure were conducted. A concrete board with 100mm thickness was not damaged, but a concrete board with 60mm thickness was destroyed due to impulsive bore load of the surge front tsunami with 1. 8m inundated depth. A framework structure made of steel was deformed due to the impulsive bore load. Therefore, it is necessary to consider not only the sustainable load but also the impulsive load of the tsunami according to the structure.
