Civil Engineering Reference
In-Depth Information
Fig. 9.7
Nuclear power plants operated in Japan (Honshu Island) when the earthquake and
tsunami hit the coast [
12
,
13
]
Actual Tsunami
Level Height
Actual Tsunami
Level Height
Emergency Power Diesel Generator
Emergency Power Diesel Generator
Fig. 9.8
Fukushima-Daiichi reactor plant with countermeasures installed against tsunami waves
[
12
,
13
]
However, when the tsunami wave flooded the plants 56 min later, the two diesel
generators per reactor of the Fukushima-Daiichi plant units 1-3, installed in the
lowest part of the turbine building (Fig.
9.8
), were submerged and failed. Also the
fuel supply to the diesel generators was partly torn off by the wave. All external grid
