[1]柳春光,夏春旭,柳英洲.承插式复合材料埋地管道抗震性能分析[J].地震工程与工程振动,2018,(01):034-43.[doi:10.13197/j.eeev.2018.01.34.liucg.005]
 LIU Chunguang,XIA Chunxu,LIU Yingzhou.Seismic behavior of the composite buried pipe connected with socket and spigot joint[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2018,(01):034-43.[doi:10.13197/j.eeev.2018.01.34.liucg.005]
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承插式复合材料埋地管道抗震性能分析
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《地震工程与工程振动》[ISSN:/CN:]

卷:
期数:
2018年01期
页码:
034-43
栏目:
论文
出版日期:
2018-06-30

文章信息/Info

Title:
Seismic behavior of the composite buried pipe connected with socket and spigot joint
作者:
柳春光12 夏春旭1 柳英洲1
1. 大连理工大学 工程抗震研究所, 辽宁 大连 116024;
2. 大连理工大学 海岸与近海工程国家重点实验室, 辽宁 大连 116024
Author(s):
LIU Chunguang12 XIA Chunxu1 LIU Yingzhou1
1. Institute of Earthquake Engineering, Dalian University of Technology, Dalian 116024, China;
2. State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China
关键词:
埋地管道承插接口复合材料抗震性能
Keywords:
buried pipelinesocket and spigot jointcompositeseismic capability
分类号:
TU990.3
DOI:
10.13197/j.eeev.2018.01.34.liucg.005
摘要:
为研究承插式复合材料埋地管道抗震性能,建立了由四个玻璃纤维/热固性材料铺层(0/90/0/90)组成的管体有限元模型。对承插式接口的力学性能进行了计算,并给出了接口在三个方向上的等效弹簧参数。对埋地管道在不同强度地震作用下的整体位移分布、各铺层的应力分布以及承插式接口的抗震性能进行了分析。结果表明,两个0°铺层的应力比两个90°铺层的轴向应力均增大75%左右;随着地震强度的增大,接口E轴向等效弹簧的相对位移与抗力随之提高;在0.2 g,0.4 g,0.6 g地震强度作用下下,管道中部接口E的相对位移均未超过界限位移值,均保持正常工作状态。
Abstract:
The finite element model for the buried pipe made with four composite layers (0/90/0/90) connected bysocket and spigot joint is established to study its seismic behavior. The mechanic property of the joint is calculated and the corresponding parameters for the equivalent springs in three directions are obtained. Under varied earthquake intensity, the distribution of the pipe displacement, the effective stress in four composite layers and the seismic behavior of the joint are studied. Results indicate that:the axial stress in 0 degree layers is 75% larger than that in 90 degree layers; the relative displacement and resisting force in the equivalent springs located at joint E increase with the increasing earthquake intensity; the axial relative displacement at joint E is kept within the allowable value under the action of 0.2 g,0.4 g,0.6 g seismic excitation and works in normal state under all three seismic intensities.

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备注/Memo

备注/Memo:
收稿日期:2017-03-11;改回日期:2017-05-20。
基金项目:国家自然科学基金项目(51678107,51738007)
作者简介:柳春光(1961-),男,教授,博士,主要从事生命线工程抗震方面研究.E-mail:liucg@dlut.edu.cn
通讯作者:夏春旭(1988-),男,博士研究生,主要从事结构抗震理论与性能设计研究.E-mail:15140608036@163.com
更新日期/Last Update: 1900-01-01