加固前后输油管线固有频率计算

doi:10.7623/syxb199702022

石油学报 ›› 1997, Vol. 18 ›› Issue (2): 128-133.DOI: 10.7623/syxb199702022

加固前后输油管线固有频率计算

唐友刚, 李长升, 项忠权

天津大学

收稿日期:1995-04-25 修回日期:1995-12-25 出版日期:1997-04-25 发布日期:2013-07-08
作者简介:唐友刚.1988年于天津大学水工建筑专业研究生毕业,1996年力学专业博士毕业.现为天津大学海洋与船舶工程系副教授.通讯处:天津大学.邮政编码:300072.

THE CALCULATION OF NATURAL FREQUENCY BEFORE AND AFTER REINFORCEMENT OF PIPELINES

Tang Yougang, Li changsheng, Xiang Zhongquan

Tianjin University

Received:1995-04-25 Revised:1995-12-25 Online:1997-04-25 Published:2013-07-08

摘要/Abstract

摘要： 输油管线穿河段由于冲刷悬空,打桩加固形成多跨梁式结构.在考虑边界土壤条件及支墩情况下,提出了悬空段加固前后固有频率的计算方法,并和实测值比较验证了该方法的可靠性.

关键词: 输油管线, 传递矩阵, 固有频率

Abstract: The sections of pipelines that are over rivers always form multispan beam structure because of scouring, suspending and reimforcing. The calculating natural frequency method before and after reinforcement of pipelines is presented, considering soil conditions and support case. It is showed that this method is reliable through checking the calculated results against the measured values.

Key words: suspended pipelnies, transfer matrix, natural frequency

唐友刚, 李长升, 项忠权 . 加固前后输油管线固有频率计算[J]. 石油学报, 1997, 18(2): 128-133.

Tang Yougang, Li changsheng, Xiang Zhongquan. THE CALCULATION OF NATURAL FREQUENCY BEFORE AND AFTER REINFORCEMENT OF PIPELINES[J]. Editorial office of ACTA PETROLEI SINICA, 1997, 18(2): 128-133.

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加固前后输油管线固有频率计算

THE CALCULATION OF NATURAL FREQUENCY BEFORE AND AFTER REINFORCEMENT OF PIPELINES

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