Abstract
Hydraulic experiments were conducted to estimate tsunami wave pressure acting on an onshore structure, namely a vertical wall. Wave pressures were measured at some points on the wall. The existing hydrostatic formula tended to overestimate tsunami wave pressure in the experiment. The experimental results revealed that there is time lag in the occurrence between the maximum wave pressure near the ground and the maximum inundation depth caused by splash.
Estimation method of tsunami pressure using inundation depth and horizontal velocity in front of a structure was proposed based on the laboratory experiment. It was confirmed from the comparison with the experiment that the vertical distribution of the maximum tsunami wave pressure can be reproduced by employing the proposed method in this study.
