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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 Hu
1
(
), Ruixin Bao
1
(
), Xiaodan Bian
2
, Qiqiang Peng
1
, Yu Guo
1
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
.