[1]高文乐①,李坤鹏①,段耀奎①,等.埋地输油管道对爆破振动的动力响应[J].爆破器材,2021,50(01):53-58.[doi:10.3969/j.issn.1001-8352.2021.01.010]
　GAO Wenle,LI Kunpeng,DUAN Yaokui,et al.Dynamic Response of Buried Oil Pipeline to Blasting Vibration[J].EXPLOSIVE MATERIALS,2021,50(01):53-58.[doi:10.3969/j.issn.1001-8352.2021.01.010]
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埋地输油管道对爆破振动的动力响应()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
50
期数:
2021年01
页码:
53-58
栏目:
爆破技术
出版日期:
2021-01-22

文章信息/Info

Title:
Dynamic Response of Buried Oil Pipeline to Blasting Vibration
文章编号:
5523
作者:
高文乐①; 李坤鹏①; 段耀奎①; 冯娜①; 张春玉②
①山东科技大学土木工程与建筑学院 （山东青岛,266590）
②济南鲁威科安振动检测有限公司 （山东济南,250000）
Author(s):
GAO Wenle①;  LI Kunpeng①;  DUAN Yaokui①;  FENG Na①;  ZHANG Chunyu②
① College of Civil Engineering and Architecture, Shandong University of Science and Technology (Shandong Qingdao, 266590)
② Ji＇nan Luwei Kean Vibration Testing Co., Ltd. (Shandong Ji＇nan, 250000)
关键词:
埋地输油管道; 爆破振动; 有效应力; ANSYS/LSDYNA; 流固耦合
Keywords:
buried oil pipeline;  blasting vibration;  effective stress;  ANSYS/LS-DYNA;  fluid-structure coupling
分类号:
TU746.5
DOI:
10.3969/j.issn.1001-8352.2021.01.010
文献标志码:
A
摘要:
为了控制爆破振动对油气管道的影响，利用ANSYS/LS-DYNA软件对埋地管道在爆破作用下不同方向的受力过程进行数值模拟，建立埋地管道三维有限元模型，采用多物质流固耦合算法模拟爆破过程。结果表明：基于流固耦合方法模拟得到的振速与现场实测结果基本一致，利用该模拟方法研究爆破振动对埋地输油管道的影响是可行的。经过爆破模拟分析,得到埋地管道上的有效应力变化规律。迎爆面和背爆面受到的应力远高于管顶、管底受到的应力，且迎爆面的有效应力大于背爆面，说明迎爆面是最容易发生变形的；管顶和管底位于管道的中轴面上，受到的应力较小，变形也较小。
Abstract:
In order to control the impact of blasting vibration on oil and gas pipelines, software ANSYS/LS-DYNA was used to numerically simulate the force process of buried pipelines under blasting action, establish a three-dimensional finite element model of buried pipelines, and use multi-material fluid-solid coupling algorithm to simulate the blasting process. Results show that the vibration velocity obtained based on the fluid-solid coupling method is basically consistent with the field measured results. It is feasible to use the simulation method to study the impact of blasting vibration on the buried oil pipeline. Change laws of effective stress on buried pipeline were obtained by blasting simulation analysis. The effective stress on the front explosion surface and the back explosion surface is much higher than that on the top and bottom of the tube, and the effective stress of the front explosion surface is greater than the back explosion surface, indicating that the front explosion surface is the most prone to deformation. The top and bottom of the pipe are located on the central axis of the pipe, so the stress is small and the deformation is also small.

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备注/Memo

备注/Memo:
收稿日期：2020-08-31
基金项目：国家自然科学基金(51874189)
第一作者：高文乐（1966－），男，硕士，教授，主要从事岩土力学和爆破安全技术的教学和科研工作。E-mail：wenlegao@163.com
通信作者：李坤鹏（1995－），男，硕士研究生，主要从事岩土力学和爆破安全技术的科研工作。E-mail：1263294166@qq.com
更新日期/Last Update: 2021-01-22