|本期目录/Table of Contents|

[1]季蓓蕾,刘啸奔,江金旭,等.软土沉降位移作用下大口径管道轴向应力状态研究*[J].中国安全生产科学技术,2021,17(6):85-90.[doi:10.11731/j.issn.1673-193x.2021.06.014]
 JI Beilei,LIU Xiaoben,JIANG Jinxu,et al.Study on longitudinal stress state of large diameter pipeline under effect of soft soil settlement displacement[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2021,17(6):85-90.[doi:10.11731/j.issn.1673-193x.2021.06.014]
点击复制

软土沉降位移作用下大口径管道轴向应力状态研究*
分享到:

《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
17
期数:
2021年6期
页码:
85-90
栏目:
职业安全卫生管理与技术
出版日期:
2021-06-30

文章信息/Info

Title:
Study on longitudinal stress state of large diameter pipeline under effect of soft soil settlement displacement
文章编号:
1673-193X(2021)-06-0085-06
作者:
季蓓蕾刘啸奔江金旭易斐宁武学健刘玉卿张宏
(1.中国石油大学(北京) 油气管道输送安全国家工程实验室,北京 102249;
2.国家管网集团北方管道有限责任公司,河北 廊坊 065000;
3.中国石油天然气管道工程有限公司,河北 廊坊 065000)
Author(s):
JI Beilei LIU Xiaoben JIANG Jinxu YI Feining WU Xuejian LIU Yuqing ZHANG Hong
(1.National Engineering Laboratory for Pipeline Safety,China University of Petroleum-Beijing,Beijing 102249,China;
2.PipeChina North Pipeline Company,Langfang Hebei 065000,China;
3.China National Petroleum Pipeline Engineering Co.,Ltd.,Langfang Hebei 065000,China)
关键词:
中国南方地区软土沉降大口径管道有限元分析轴向应力
Keywords:
Southern China soft soil settlement large diameter pipeline finite element analysis axial stress
分类号:
X937
DOI:
10.11731/j.issn.1673-193x.2021.06.014
文献标志码:
A
摘要:
为准确掌握大口径管道的轴向应力应变状态,保障管道的安全运行,通过假定4类不同形式的软土沉降位移,研究不同沉降形式对管道轴向应力状态的影响。采用非线性有限元方法建立管道轴向应力应变参数化数值计算模型,开展影响因素分析。结果表明:针对软土沉降位移作用下1 422 mm X80大口径管道,沉降量相同时,突变型位移载荷作用下管道受到的轴向应力最大,最大轴向应力位于两侧非沉降区距管道中心约53 m处;软土沉降量达到工程实际中可能的最大值1 m时,大口径X80管道内轴向应力小于0.9倍管材屈服强度,管道环焊缝可以采用基于应力的工程适用性评估方法开展ECA(Engineering Critical Assessment)评价。
Abstract:
In order to accurately grasp the axial stress-strain state of large diameter pipelines and ensure the safe operation of pipelines,the influence of different settlement forms on the axial stress state of pipeline was studied through assuming four types of soft soil settlement displacement with different forms.A parametric numerical calculation model of the axial stress-strain of pipeline was established based on the nonlinear finite element method,and the influencing factors were analyzed.The results showed that for the 1 422 mm X80 large diameter pipeline under the soft soil settlement displacement,the axial stress of pipeline under the abrupt displacement load was the largest with the same settlement,and the maximum axial stress was located in the non-settlement zone on both sides about 53 m from the center of pipeline.When the settlement of soft soil reached 1m which was the possible maximum value of engineering practice,the axial stress in large diameter X80 pipeline was less than 0.9 times the yield strength of pipe material,and the ECA(Engineering Critical Assessment) evaluation can be carried out on the pipeline girth welds by applying the engineering suitability evaluation method based on stress.

参考文献/References:

[1]周圆圆.水闸软土地基沉降成因及处理[J].河南水利与南水北调,2019,48(5):42-44. ZHOU Yuanyuan.Causes of soft soil foundation settlement of sluice and corresponding treatment[J].Henan Water Conservancy and South-North Water Diversion Project,2019,48(5):42-44.
[2]江金进,刘佳,吴舒天,等.珠海市软土分布特征及软土沉降风险评价[J].地质灾害与环境保护,2020,31(2):68-74. JIANG Jinjin,LIU Jia,WU Shutian,et al.Distribution characteristics of soft soil and risk assessment of soft soil subsidence in Zhuhai [J].Geological Hazards and Environmental Protection,2020,31(2):68-74.
[3]万友元.珠三角地区软土沉降特性及工程应用研究[J].公路交通科技,2017,13(6):136-137. WAN Youyuan.Study on the settling characteristics and engineering application of soft soil in pearl riverdelta region [J].Highway Traffic Technology,2017,13(6):136-137.
[4]ZHANG F,LIU M,WANG Y Y,et al.Strain demand in areas of mine subsidence [C]//The 9th International Pipeline Conference.Calgary:American Society of Mechanical Engineers,2012:391-401.
[5]LIU X B,ZHANG H,WU K,et al.A refined analytical strain analysis method for offshore pipeline under strike-slip fault movement considering strain hardening effect of steel [J].Ships and Offshore Structures,2020,15(2):215-226.
[6]LIU X B,ZHENG Q,WU K,et al.Development of an artificial neural network to predict strain demand of buried high strength steel pipeline at strike-slip fault crossing [J].Engineering Structures,2020,210(4):110-125.
[7]LIU X B,ZHANG H,NDUBUAKU O,et al.Effects of stress-strain characteristics on local buckling of X80 pipe subjected to strike-slip fault movement [J].Journal of Pressure Vessel Technology,2018,140(8),212-235.
[8]王付会,练章华,林铁军.双侧沉管在水网地段应力分析及数值模拟[J].石油机械,2015,43(7):116-120. WANG Fuhui,LIAN Zhanghua,LIN Tiejun.Theoretical analysis and numerical simulation of pipeline stress with lowering pipeline on both sides in water network areas [J].China Petroleum Machinery,2015,43(7):116-120.
[9]HAN B,HAO J B,JING H Y,et al.Failure analysis of stresses on buried pipeline subjected to landslide based on numerical simulation and regression analysis [C]//The 8th International Pipeline Conference.Calgary:American Society of Mechanical Engineers,2010:83-88.
[10]VAZOURAS P,KARAMANOS S A,DAKOULAS P.Finite element analysis of buried steel pipelines under strike-slip fault displacements [J].Soil Dynamics and Earthquake Engineering,2010,30(11):1361-1376.
[11]VAZOURAS P,KARAMANOS S A,DAKOULAS P.Mechanical behavior of buried steel pipes crossing active strike-slip faults [J].Soil Dynamics and Earthquake Engineering,2012,41(5):164-180.
[12]VAZOURAS P,DAKOULAS P,KARAMANOS S A.Pipe-soil interaction and pipeline performance under strike-slip fault movements [J].Soil Dynamics and Earthquake Engineering,2015,72(4):48-65.
[13]张英奎,张永兴.大口径管道在水网地区的施工方法[J].油气储运,2003(8):45-58. ZHANG Yingkui,ZHANG Yongxing.Construction method of large caliber pipeline in water network area [J].Oil & Gas Storage and Transportation,2003(8):45-58.
[14]刘玉卿,赵子峰,杨建,等.中俄东线高地下水位地区沉管下沟施工方案[J/OL].油气储运:1-9[2021-05-06].http://kns.cnki.net/kcms/detail/13.1093.TE.20200526.1654.006.html. LIU Yuqing,ZHAO Zifeng,YANG Jian,et al.Construction plan of submerged ditch in high groundwater level area of east China-Russia Line [J/OL].Oil & Gas Storage and Transportation:1-9[2021-05-06].http://kns.cnki.net/kcms/detail/13.1093.TE.20200526.1654.006.html.
[15]高永,张世彬,涂立成,等.浅谈江南水网地段大口径管道水田施工方法[J].油气田地面工程,2002(2):29. GAO Yong,ZHANG Shibin,TU Licheng,et al.Discussion on the construction method of large-caliber pipeline paddy field in water network section of Jiangnan [J].Oil-Gas Field Surface Engineering,2002(2):29.

相似文献/References:

备注/Memo

备注/Memo:
收稿日期: 2020-12-26
* 基金项目: 国家自然科学基金项目(52004314);新疆自治区天山青年计划项目(2019Q088);中国石油大学(北京)青年拔尖人才科研启动基金项目(2462018YJRC019);中国石油大学(北京)科研基金项目(2462020YXZZ045)
作者简介: 季蓓蕾,硕士研究生,主要研究方向为油气储运安全技术。
更新日期/Last Update: 2021-07-07