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[1]王联伟,张雷,董绍华,等.基于土弹簧模型的管道滑坡力学影响因素分析[J].油气储运,2014,33(4):380-384,390.[doi:10.6047/j.issn.1000-8241.2014.04.008]
　WANG Lianwei,ZHANG Lei,DONG Shaohua,et al.Analysis of mechanical influencing factors of pipeline landslide based on soil spring model[J].Oil & Gas Storage and Transportation,2014,33(4):380-384,390.[doi:10.6047/j.issn.1000-8241.2014.04.008]
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基于土弹簧模型的管道滑坡力学影响因素分析

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 33 期数: 2014年第4期 页码: 380-384,390 栏目: 出版日期: 2014-04-25
Title:

Analysis of mechanical influencing factors of pipeline landslide based on soil spring model

作者:

王联伟1;  张雷1;  董绍华2;  路民旭1

1. 北京科技大学材料科学与工程学院, 北京100083;
2. 中石油北京天然气管道有限公司, 北京100101

Author(s):

WANG Lianwei1;  ZHANG Lei1;  DONG Shaohua2;  LU Minxu1

1. School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083;
2. PetroChina Beijing Natural Gas Pipeline Co.Ltd., Beijing, 100101

关键词:

滑坡; 管道; 土弹簧; 影响因素; 有限元分析

Keywords:

landslide; pipeline; soil spring; influencing factors; finite element analysis

分类号:
TE88
DOI:
10.6047/j.issn.1000-8241.2014.04.008
摘要:

滑坡是影响管道完整性的重要因素之一。基于土弹簧模型建立了滑坡管道有限元分析模型，考虑了管土之间相互作用的非线性特征，研究了管道内压、滑坡长度、滑坡位移、滑坡方向与管道轴向的夹角等因素对管道应力的影响。以陕京输气管道为例，分析了不同管道工况下滑坡相关因素对管道应力的影响，量化分析了垂直管道轴向的横向滑坡和平行管道轴向的纵向滑坡两种情况下的力学影响因素，得出滑坡方向与管道轴线的夹角对滑坡产生的附加应力具有重要影响，对于管道线路的完整性管理具有重要意义。研究结果可为滑坡地区管道的风险控制提供理论依据和技术参考。

Abstract:

Landslide is one of the main factors threatening pipeline integrity.Based on the soil spring model,the finite element analysis model of landslide pipe is established which considers the non-linear characteristics of interaction between pipe and soil,and the effects of internal pressure of pipe,length of landslide,displacement of landslide and the angle between the direction of landslide and the axial direction of pipeline on pipeline stress are investigated.Taking the Shan-Jing Gas Pipeline as an example,the paper analyzes the impact of the related landslide factors on pipeline stress under different working conditions.The mechanical influencing factors under the situations of landslide vertical to pipeline and landslide parallel to pipeline are quantitatively analyzed,which shows that the angle between the direction of landslide and the axial direction of pipeline has an important effect on the additional stress caused by landslides,this is of great significance for the integrity management of pipelines.This result can provide theoretical basis and technical reference for the risk control of pipelines in areas where landslides are likely to happen.(6 Figures,1 Table,15 References)

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备注/Memo

收稿日期:2013-7-17;改回日期:2013-10-23。
作者简介:王联伟，在读博士生，1981年生，2006年硕士毕业于中国石油大学（北京）工程力学专业，现主要从事管道适用性评价技术和管道完整性评价技术的研究工作。Tel：18620208603，Email：wei86711@163.com

更新日期/Last Update: 1900-01-01