| 混凝土面板干缩应力计算的接触面模型研究 |
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| 引用本文： | 王瑞骏,李章浩,陈尧隆.混凝土面板干缩应力计算的接触面模型研究[J].西北农林科技大学学报(社会科学版),2005,33(9):141-145. |
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| 作者姓名： | 王瑞骏 李章浩 陈尧隆 |
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| 作者单位： | 西安理工大学,水利水电学院,陕西,西安,710048 |
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| 摘 要： | 基于湿度传导理论及一般外荷载作用下的接触摩擦单元理论,经过系统分析,建立了面板与垫层之间接触面的湿度场及干缩应力有限元计算模型。算例结果表明,应用该模型可以获得较为准确合理的接触面湿度场及干缩应力计算结果。
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| 关 键 词： | 水工结构 混凝土面板 干缩应力 接触面模型 有限元法 |
| 文章编号： | 1671-9387（2005）09-0140-05 |
| 收稿时间： | 2004-12-27 |
| 修稿时间： | 2004年12月27 |
Research on model of interface in the calculation of Shrinkage stress of concrete slabs |
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| WANG Rui-jun,LI Zhang-hao,CHEN Yao-long.Research on model of interface in the calculation of Shrinkage stress of concrete slabs[J].Journal of Northwest Sci-Tech Univ of Agr and,2005,33(9):141-145. |
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| Authors: | WANG Rui-jun LI Zhang-hao CHEN Yao-long |
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| Institution: | (Institute of Water Resources and Hydro-electric Engineering,Xi’an University of Technoligy,Xi’an,Shaanxi 710048,China) |
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| Abstract: | Based on the theory of humidity conduction and the theory of contact-friction interface element of normal outer loads,the FEM calculation model of humidity field and shrinkage stress of interface between slabs and cushion layer is established by analyzing systematically. The example shows that quite reasonable calculation results of humidity field and shrinkage stress of interface can be obtained by the model. |
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| Keywords: | hydro-structure concrete slabs shrinkage stress interface model FEM |
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