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工程力学  2014 

考虑FGM特性的双排管竖井冻结壁应力场分析

DOI: 10.6052/j.issn.1000-4750.2012.09.0651, PP. 145-153

Keywords: 功能梯度材料(FGM),梯形分布,厚壁圆筒,弹塑性解析解,摩尔-库伦准则,双排管冻结,竖井冻结壁

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Abstract:

对双排管竖井冻结所形成的冻结壁等效成材料性质沿厚度呈梯形分布的功能梯度材料(FGM)无限长厚壁圆筒,通过求解均布荷载下该类厚壁圆筒的弹性解析解,并利用摩尔-库伦屈服准则求解其弹塑性解析解。根据解析解,进行双排管竖井冻结壁的应力场分析,将分析结果与均质冻结壁模型进行对比,提出对设计施工具有参考价值的建议。

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