Sinking
Drifting
Collision Aircraft Falling
Fire
Tsunami

Tsunami
At first the magnitude of the tsunami at the site should be estimated by the simulation analysis and the adequate countermeasure to the tsunami is taken into consideration of the design of Mega-Float in advance, mainly on the mooring system.
It is rather small at the deep water site, inside Tokyo Bay, Seto Inland Sea etc. and if it is too large from the practical point of view for the floating structure to be moored, such site should be avoided for the installation.
For example, the design condition of the tsunami at the inlet of Tokyo Bay is as follows:
Height ---- 2.5 m
Period ---- 70 min
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Numerical Simulation in Tokyo Bay
Sinking
Drifting
Collision Aircraft Falling
Fire
Tsunami
Fire
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Tsunami