A Consideration Aimed at Improving the Resiliency of Protective Structures Against Tsunami - Post-Tsunami Hazard: Reconstruction and Restoration - page 209

a
b
Fig. 14.7 CrosssectionofthestateofbreakwatersshowingthedifferentCaseScenarios( a ) Case 1 :
Bottom topography; Case 2 : Breakwaters of complete shape; Case 4 : Breakwaters with all
damage due to the 2011 tsunamis, and ( b ) Case 5 : damages of submerged breakwaters; Case 6 :
damages of breakwaters in the shallow region and Case 7 : damages of both submerged break-
waters and breakwaters in the shallow region
breakwaters. The calculation also considered that the breakwaters in the shallow
region and that part of the south side breakwaters may be ineffective against the
2011tsunami.Ontheotherhand,thebreakwatersinthedeepregionhadtheprotec-
tive effect against the tsunami, even if half of the breakwaters were finally washed
away or tilted.