地震载荷作用下海底管道轴向力简化计算

doi:10.3696/j.issn.1006-396X.2009.04.020

石油化工高等学校学报 ›› 2009, Vol. 22 ›› Issue (4): 81-83.DOI: 10.3696/j.issn.1006-396X.2009.04.020

地震载荷作用下海底管道轴向力简化计算

朱轶,谢禹钧

辽宁石油化工大学机械工程学院，辽宁抚顺113001

收稿日期:2008-11-25 修回日期:2009-05-04 出版日期:2009-12-25 发布日期:2009-12-25
作者简介:朱轶(1982 -), 男, 辽宁抚顺市, 硕士
基金资助:
:辽宁省教育厅资助项目(20051159)

The Simplified Calculation of Axial Force of Submarine Pipe Under Earthquake Load

School of Mechanical Engineering, Liaoning University of Petroleum & Chemical， Fushun Liaoning 113001,P.R.China

Received:2008-11-25 Revised:2009-05-04 Published:2009-12-25 Online:2009-12-25

摘要/Abstract

摘要： 地震时地震波沿地面传播引起地面位移,地面沿直管轴向位移时使管道产生轴向拉伸应力。忽略惯性力,但考虑动水压力,采用静力分析的方法对直管进行应力分析,并结合计算实例,应用Ansys软件对海底管道进行轴向应力分析,得出结论为当地震裂度小于9度时管道不会发生断裂。

关键词: 地震波 , 动水压力 , 海底管道 , 轴向应力

Abstract: The earthquake wave broadcasting through the ground leads a ground dissemination when the earthquake happen， then the ground moves along the pipe axial displacement makes the axial tensile stress．Neglect inertial force，but considering dynamic water pressure．Adoption the statical analysis method to analysis ascending pipe stress，and incorporation a calculation
example using Ansys software to analyze submarine pipeline axial stress．The example was analysis and got the conclusion was that the submarine pipeline could not be broke where ９ degrees earthquake intensity happened.

Key words: Earthquake wave , Dynamic water pressure , Submarine pipeline , Axial stress

朱轶,谢禹钧. 地震载荷作用下海底管道轴向力简化计算[J]. 石油化工高等学校学报, 2009, 22(4): 81-83.

ZHU Yi, XIE Yu-jun. The Simplified Calculation of Axial Force of Submarine Pipe Under Earthquake Load[J]. Journal of Petrochemical Universities, 2009, 22(4): 81-83.

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地震载荷作用下海底管道轴向力简化计算

The Simplified Calculation of Axial Force of Submarine Pipe Under Earthquake Load

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