[1]田江平,董飞飞,徐晋东,等.压电陶瓷传感器的埋地长输管道动力响应监测[J].地震工程与工程振动,2019,39(02):159-168.[doi:10.13197/j.eeev.2019.02.159.tianjp.017]
 TIAN Jiangping,DONG Feifei,XU Jindong,et al.Dynamic response monitoring of buried long-distance pipeline based on piezoelectric ceramic sensor[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2019,39(02):159-168.[doi:10.13197/j.eeev.2019.02.159.tianjp.017]
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压电陶瓷传感器的埋地长输管道动力响应监测
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《地震工程与工程振动》[ISSN:/CN:]

卷:
39
期数:
2019年02
页码:
159-168
栏目:
论文
出版日期:
2019-04-30

文章信息/Info

Title:
Dynamic response monitoring of buried long-distance pipeline based on piezoelectric ceramic sensor
作者:
田江平 董飞飞 徐晋东 廖恒 杜国锋
长江大学 城市建设学院, 湖北 荆州 434023
Author(s):
TIAN Jiangping DONG Feifei XU Jindong LIAO Heng DU Guofeng
School of Civil Engineering, Yangtze University, Jingzhou 434023, China
关键词:
压电陶瓷传感器冲击荷载长输管道动力响应加速度
Keywords:
piezoelectric ceramic sensorimpact loadlong distance pipelinedynamic responseacceleration
分类号:
TE973
DOI:
10.13197/j.eeev.2019.02.159.tianjp.017
摘要:
为监测埋地长输管道在冲击荷载作用下的动力响应,制作土箱-管道缩尺模型,将标定好的压电陶瓷传感器粘贴在管道上进行冲击试验。根据压电陶瓷传感器输出的加速度值,得到埋地管道在冲击荷载作用下的动力响应规律,并分析管道壁厚、管径、埋深、冲击高度等参数对管道动力响应的影响。利用有限元分析软件ABAQUS对该过程进行非线性有限元模拟,将有限元分析结果与试验结果进行对比,二者吻合程度较好。结果表明:在冲击荷载作用下,冲击高度增加,管道振动加速度峰值增大;相同工况下,大管径和薄壁管道振动加速度峰值较大,管道覆土越深,管道振动加速度峰值越小;压电陶瓷能够有效监测埋地管道的动力响应,为管道工程抗震设计和安全性评估提供参考依据。
Abstract:
To monitor the dynamic response of buried long-distance pipeline under impact load, a soil box-pipe scale model is made, and the calibrated piezoelectric ceramic sensor is pasted on the pipeline for impact test. According to the acceleration value of piezoelectric ceramic sensor, the dynamic response law of buried pipeline under impact load is obtained, and the influence of pipe wall thickness, pipe diameter, buried depth and impact height on the dynamic response of pipeline is analyzed. The nonlinear finite element simulation of the process is carried out by using the finite element analysis software ABAQUS. The results of the finite element analysis are compared with the experimental results and the results are in good agreement with each other. The results show that the impact load Under the action of load, the peak value of vibration acceleration of pipeline increases with the increase of impact height, and the peak value of vibration acceleration of large diameter and thin-walled pipeline is larger under the same working condition, and the deeper the soil is, the smaller the peak value of vibration acceleration of pipeline is. Piezoelectric ceramics can effectively monitor the dynamic response of buried pipelines and provide a reference for seismic design and safety assessment of pipeline engineering.

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备注/Memo

备注/Memo:
收稿日期:2018-10-27;改回日期:2018-12-28。
基金项目:国家自然科学基金项目(51778064);湖北省自然科学基金项目(创新群体)(2016CFA022);中国石油科技创新基金项目(2016D-5007-0605)
作者简介:田江平(1993-),男,硕士研究生,主要从事油气管道抗震研究.E-mail:772381105@qq.com
通讯作者:杜国锋(1975-),男,教授,博士,主要从事智能材料与结构、工程结构抗震方面的研究.E-mail:gfd_1125@126.com
更新日期/Last Update: 1900-01-01