考虑温度对混凝土性能影响的温度应力分析
岳耀真
摘要(Abstract)：
温度对混疑土的力学、变形性能有很大的影响,从而也就在很大程度上影响着混凝土的温度应力。本文在已有资料的基础上给出了混凝土的弹性模量、徐变等与温度的关系,提出了相应的计算公式,导出了计算徐变变形增量的公式,并引入了瞬态徐变这一重要因素。另外,建立了考虑温度对混凝土力学、变形性能影响的温度应力分析的有限元方法,并编制了一套可仿真混凝土施工过程及考虑各种复杂边界的通用电算程序。最后,通过算例对本文提出的分析方法作了验证。
关键词(KeyWords)： 混凝土;温度应力;混凝土性能;膨胀系数;弹性模量
基金项目(Foundation):
作者(Author): 岳耀真
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