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[1]蒋宏业,陈霈夫,宋静晗,等.车辆载荷下输油管道力学响应及影响因素分析[J].中国安全生产科学技术,2024,20(10):160-167.[doi:10.11731/j.issn.1673-193x.2024.10.022]
　JIANG Hongye,CHEN Peifu,SONG Jinghan,et al.Analysis on mechanical response and influencing factors of oil pipeline under vehicle load[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2024,20(10):160-167.[doi:10.11731/j.issn.1673-193x.2024.10.022]
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车辆载荷下输油管道力学响应及影响因素分析
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
20
期数:
2024年10期
页码:
160-167
栏目:
职业安全卫生管理与技术
出版日期:
2024-10-30

文章信息/Info

Title:
Analysis on mechanical response and influencing factors of oil pipeline under vehicle load
文章编号:
1673-193X(2024)-10-0160-08
作者:
蒋宏业; 陈霈夫; 宋静晗; 李又绿; 徐涛龙
（1.西南石油大学 石油与天然气工程学院，四川 成都 100012;
2.国家管网集团储运技术发展有限公司,天津 300457)
Author(s):
JIANG Hongye;  CHEN Peifu;  SONG Jinghan;  LI Youlyu;  XU Taolong
(1.Petroleum Engineering School,Southwest Petroleum University,Chengdu Sichuan 100012,China;
2.National Pipe Network Group Storage and Transportation Technology Development Co.,Ltd.,Tianjin 300457,China)
关键词:
车辆载荷; 全尺寸试验; 力学响应; 有限元模型; 影响因素
Keywords:
vehicle load;  full-scale test;  mechanical response;  finite element model;  influencing factor
分类号:
X937
DOI:
10.11731/j.issn.1673-193x.2024.10.022
文献标志码:
A
摘要:
为了研究车辆载荷下输油管道的力学响应以及影响因素，提出建立考虑管土关系的有限元模型，使用Abaqus模拟不同车重、车速工况下管道应变应力情况，得到不同工况下管道应力应变规律，并以L360钢管作为试验对象，开展车辆碾压埋地钢管的现场全尺寸试验，得到的实测值和模拟值之间的大小偏差范围小于10.30％，处于工程可接受误差范围内，以此验证模拟结果的准确性。研究结果表明：车辆车轮碾压处相比其他位置的管道应力更大，且此处管道横截面上的迎车面至管顶区域出现应力集中现象，是车辆碾压下埋地钢管的易损区域。同时，管道应力随车速的增大而减小，随车重的增大而增大，管道轴向方向上，车辆车轮碾压位置的管道应力相比其他位置应力更大。研究结果可为工程现场输油管道设计和施工提供参考，对保障输油管道的安全平稳运行具有重要的指导价值。
Abstract:
In order to study the mechanical response of oil pipeline under the vehicle load and the influencing factors,a finite element model considering the pipe-soil relationship was established.The Abquas was used to simulate the strain and stress status of pipeline under different vehicle weights,vehicle speeds,and pipeline internal pressures,and the strain and stress laws of pipeline under different conditions were obtained.Taking the L360 steel pipeline as the test object,the full-size on-site test of the buried steel pipeline with the crushing of vehicle was carried out,and the deviation between the measured value and the simulated value is less than 10.30%,which is within the acceptable error range of the project,so as to verify the accuracy of the simulation results.The results show that the stress of pipeline at the place where the wheels of vehicle are crushed is greater than those at other positions,and the stress concentration phenomenon occurs in the area from the vehicle-facing surface to the top of pipe in the cross-section of pipeline,which is the vulnerable area of the buried steel pipe under the crushing of vehicle.At the same time,the pipe stress decreases with the increase of vehicle speed,increases with the increase of vehicle weight,and in the axial direction of pipe,the pipe stress at the position where the wheels of vehicle are crushed is greater than those at other positions.The research results can provide reference for the design and construction of oil pipeline in engineering field,and have important guiding value for ensuring the safe and stable operation of oil pipeline.

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备注/Memo

备注/Memo:
收稿日期： 2024-04-23
作者简介： 蒋宏业，硕士，副教授，主要研究方向为储运系统安全与完整性管理。
通信作者： 陈霈夫，硕士研究生，主要研究方向为储运系统安全与完整性管理。
更新日期/Last Update: 2024-10-31