Abstract
A methodology is proposed for static safety evaluation of concrete arch dams during their construction and operation phases. It includes foundation modeling, stage-construction process, thermal post-cooling analysis, realistic behavior of contraction and peripheral joints, reservoir filling, and operational thermal loading. The structural stability and safety is assessed using safety indices. The proposed methodology is applied to a typical concrete arch dam. The dam is three-dimensionally modeled along with its foundation using finite element method. Different foundation properties are investigated in homogeneous and inhomogeneous conditions including distinct soft rock layers. The stability and safety of the dam-foundation system is evaluated through some analysis cases, which show the importance of various features presented in the model.
Published Version
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