Settlement Calculation and Analysis of a Nuclear Island Foundation
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Abstract
A typical foundation settlement case of nuclear island in a certain nuclear power plant under construction is analyzed. The nuclear power standards, numerical model, mechanical parameters, calculation method and evaluation criteria are detailedly introduced. The calculation results show that: nonlinearity under unloading and reloading, spatial variability of mechanics characteristics, ground water level variation, disturbed zones by the excavation, drainage and backfill, creep effect are foundation settlement factors of nuclear island. The calculation results are in accordance with monitoring data, which can be used as a reference for the similar projects
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