Multi dimensional cracking analysis of brittle and heterogeneous composites using the modern circumferential-strain energy theory

机译：基于现代圆周应变能理论的脆性和非均质复合材料多维开裂分析

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Three dimensional cracks in mixed mode conditions are studied in three dimensions (mode Ⅰ, mode Ⅱ and mode Ⅲ). The study is presented in both plane strain and plane stress conditions. The applied theory is MN-r_p-σ_θ by El-Sheikhy and Naka (2005). The analytical study is carried out for each of single mode and mixed modes where mixed modes are mode Ⅰ plus mode Ⅱ, mode Ⅰ plus mode Ⅲ, mode Ⅱ plus mode Ⅲ and mode Ⅰ plus mode Ⅱ plus mode Ⅲ. Also, the fracture directions and critical loads through the propagation path are determined. The study is performed under both plane stress and plane strain conditions for remotely loaded cracks under both tension and compression. The effect of friction between the crack surfaces and negative stress intensity factors are considered. The obtained results are plotted and discussed. Some solved examples are included.

机译：研究了混合模式条件下三维裂纹的三个方面（模式Ⅰ，模式Ⅱ和模式Ⅲ）。这项研究是在平面应变和平面应力条件下提出的。应用的理论是El-Sheikhy和Naka（2005）的MN-r_p-σ_θ。对单模式和混合模式分别进行了分析研究，其中混合模式为模式Ⅰ加模式Ⅱ，模式Ⅰ加模式Ⅲ，模式Ⅱ加模式Ⅲ和模式Ⅰ加模式Ⅱ加模式Ⅲ。同样，确定断裂方向和通过传播路径的临界载荷。这项研究是在平面应力和平面应变条件下对处于拉伸和压缩状态下的远程加载裂纹进行的。考虑了裂纹表面之间的摩擦和负应力强度因子的影响。绘制并讨论了获得的结果。包括一些已解决的示例。

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来源
《International Structural Engineering and Construction Conference(ISEC-03); 20050920-23; Shunan(JP)》|2005年|P.333-339|共7页
会议地点 Shunan(JP)
作者
R. El-Sheikhy; M. NAKA;
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Osaka University, JAPAN;

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原文格式 PDF
正文语种 eng
中图分类混凝土结构、钢筋混凝土结构;
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Multi dimensional cracking analysis of brittle and heterogeneous composites using the modern circumferential-strain energy theory

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