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Thermo-mechanical analysis of Roller Compacted Concrete dams

机译:碾压混凝土坝的热力学分析

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In this paper a procedure for two-dimensional unsteady thermo-mechanical analysis of layered structures is presented, allowing the determination of the temperature and stress fields at each step of the construction period. The finite element method commercial software ANSYS~(~R) is employed in the methodology. The software has several features for pre- and post-processing and a built-in design language APDL, which is used to implement the proposed methodology. The developed technique is general and can be applied to a variety of layered structures. Numerical simulations are focused on concrete structures, particularly roller compacted concrete (RCC) dams. A time-varying elasticity modulus is introduced in the model. One case study is presented and analyzed under different design approaches.
机译:本文提出了一种对层状结构进行二维非稳态热力学分析的程序,从而可以确定施工期间每个步骤的温度场和应力场。该方法采用有限元方法商业软件ANSYS〜(〜R)。该软件具有一些用于预处理和后处理的功能,以及一个内置的设计语言APDL,用于实现所提出的方法。所开发的技术是通用的,并且可以应用于各种分层结构。数值模拟的重点是混凝土结构,特别是碾压混凝土(RCC)大坝。该模型引入了随时间变化的弹性模量。在不同的设计方法下提出并分析了一个案例研究。

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