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凹陷管道建模方法及其力学性能影响参数研究
胡正兴1(), 包瑞新1(), 边小丹2, 彭启强1, 郭宇1
Research on Modeling Method and Mechanical Influence Parameters of Depressed Pipeline
Zhengxing Hu1(), Ruixin Bao1(), Xiaodan Bian2, Qiqiang Peng1, Yu Guo1

图9. 管道凹陷区域的形成及极限承载能力有限元模拟过程
(a) 施加内压 (b) 压头加载 (c) 卸载压头

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