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输油管道冻胀安全性温度场有限元分析 被引量:4

The Finite Element Analysis on Oil Pipeline Frost Heaving Safety
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摘要 冻土区输油管道在投产运行过程中,由于管道沿线受到冻融影响引起的管线变形破坏现象比较普遍。已建的中俄原油管线由漠河进入中国,经过我国北方多年冻土区和季节冻土区直至大庆。输油管道在寒区运行过程中与周围土体发生了热交换,使原自然土层热交换体系改变,进而对运行的管线造成不利的影响如冻胀和融沉。本文对此进行研究为管道安全运行提供参考依据。 The deformation damage phenomenon of oil pipeline caused by freeze- thaw is quite cormmon. The already built crude oil pipeline between China and Russia comes into China from Mohe and it directly goes through northern permanent frozen and seasonal frozen area to Daqing. In this process the heat exchange between the oil pipelines and the surrounding soil happens, making the original natural soil layer heat system changed, which has an adverse influence on the operating pipeline, such as frost heaving and thaw. This study can provide references for pipeline safety operation.
出处 《工业安全与环保》 北大核心 2012年第8期5-6,59,共3页 Industrial Safety and Environmental Protection
基金 辽宁省科学技术项目(2007220051)
关键词 输油管道 冻胀 安全性 温度场 pipeline frost heaving safety temperature field
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