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冰川冻土  2013 

中俄原油管道沿线多年冻土环境及管道施工技术探讨

DOI: 10.7522/j.issn.1000-0240.2013.0138, PP. 1224-1231

Keywords: 中俄原油管道,冻土环境,施工技术,保护措施

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Abstract:

选取中俄原油管道沿线位于多年冻土区的漠河-乌尔其段为研究区域,分析了管道工程对多年冻土环境的影响以及冻土退化所带来的一系列生态环境问题,并研究了冻土环境变化对管道工程的影响.针对冻土区管道工程施工的相关问题,提出了不同施工迹地的施工方式及相对应的冻土环境保护措施施工作业带的清理;取弃土的处理;施工便道、伴行道的修建及不同地段施工便道与伴行路路基最小高度的确定;施工营地、料场的设计及布设;管沟开挖时基坑暴露时间的计算,多年冻土区管道工程的施工等.中俄输油管道是我国首条通过多年冻土区的大口径原油管道,研究结果可为中俄输油管道及今后寒区工程建设过程中的环境保护提供科学依据.

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