| 施工期混凝土时间效应数值分析 |
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| 引用本文： | 田明革,易伟建.施工期混凝土时间效应数值分析[J].铁道科学与工程学报,2008,5(5). |
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| 作者姓名： | 田明革 易伟建 |
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| 作者单位： | [1]湖南大学土木工程学院,湖南长沙410082 [2]湖南省建设工程质量安全监督管理总站,湖南长沙410011 |
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| 基金项目： | 国家自然科学基金，湖南省建设厅科研项目 |
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| 摘 要： | 推导并且建立了混凝土徐变的应力-应变-时间耦合本构关系的全量型数值迭代模型及其算法.采用该方法对偏心柱和简支梁进行数值计算,计算结果与试验值吻合较好,表明该算法可以满足混凝土构件收缩徐变的分析要求.
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| 关 键 词： | 混凝土 时效 收缩 徐变 数值分析 |
An analysis method of concrete time-dependent behaviors during construction |
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| TIAN Ming-ge,YI Wei-jian.An analysis method of concrete time-dependent behaviors during construction[J].Journal of Railway Science and Engineering,2008,5(5). |
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| Authors: | TIAN Ming-ge YI Wei-jian |
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| Institution: | TIAN Ming-ge1,2,YI Wei-jian1(1.College of Civil Engineering,Hunan University,Changsha 410082,China,2.Quality Safety Supervision Management Head Station of Hunan Province Construction Engineering,Changsha 410011,China) |
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| Abstract: | Numerical computational formulas about the time-dependent stress-strain coupled mechanics of concrete were deduced,and the analysis method was made.Numical calculation was made with a reinforced concrete column and a beam.The numerical analysis results are in agreement with tested results. |
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| Keywords: | concrete time-dependant shrinkage creep numerical method |
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