NPP planning based on analysis of ground vibration caused by collapse of large-scale cooling towers
作者： Feng Lin , Hongkui Ji , Xianglin Gu , Yi Li , Mingreng Wang
DOI: 10.1016/J.NUCENGDES.2015.08.025
关键词:
摘要: Abstract Ground vibration induced by collapse of large-scale cooling towers can detrimentally influence the safe operation adjacent nuclear-related facilities. To prevent and mitigate these hazards, new planning methods for nuclear power plants (NPPs) were studied considering hazards. First, a “cooling tower-soil” model was developed, verified, used as numerical means to investigate ground vibration. Afterwards, five critical factors influencing collapse-induced analyzed in-depth. These included height weight towers, accidental loads, soil properties, overlying soil, isolation trench. Finally, recommendations relating control mitigation in NPP proposed, which addressed issues, i.e., appropriate spacing between tower island, modes, sitting application reduction techniques, on surroundings.
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