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Study on temperature distribution due to freezing and thawing at the Fengman concrete gravity dam

机译:丰满混凝土重力坝冻融温度分布研究

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摘要

Freezing and thawing damage is one of the major problems of the Fengman concrete dam. Based on the temperature records of the dam, appropriate heat transfer boundary conditions in the dam body are suggested. A three-dimensional finite element model is used to determine annual variation of temperature field of the dam as a case study. The deterioration problem of concrete dam owing to freezing and thawing effect is investigated.
机译:冻融破坏是丰满混凝土坝的主要问题之一。根据大坝的温度记录,建议在大坝主体中适当的传热边界条件。作为案例研究,使用三维有限元模型确定大坝温度场的年变化。研究了由于冻结和解冻作用导致的混凝土大坝的劣化问题。

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