【摘要】 总结了自运营以来格拉管道沿线的寒区环境变化及出现的管道工程问题。寒区环境变化主要有冻土退化、植被破坏、沙漠化加剧、冻害现象增多以及泄漏油品对沿线环境的污染等。管道工程问题主要包括冻胀与融沉、地震、冰堵及防腐层的损伤等对管道的破坏;并就各种工程问题给出了相关措施和建议。更多还原

【Abstract】 Variation of environment along the route of Golmud-Lhasa Oil Product Pipeline are introduced,including enhancement of frost hazards caused by permafrost degradation,vegetation removal or damage,acceleration of land desertification and environmental pollution from accidental oil leaks.Problems involved in pipeline damage such as frost heaving and thaw settlement of the soils in pipeline foundation.earthquake,ice blocking and damage of anti-corrosion coatings are put forward and mitigation measures for engineering and environmental problems of Golmud-Lhasa Oil Product Pipeline are proposed.更多还原