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本文介绍了青藏铁路格拉段沿线多年冻土的基本特征,评价了多年冻土地区的不良工程现象及其危害性,阐述了青藏铁路穿越多年冻土区所遵循的指导思想以及所采取的主要工程措施,提出了在新的条件下针对多年冻土地区路基工程进行综合保护措施的观点和对多年冻土地区铁路进行终生监测的建议。
This paper introduces the basic features of permafrost along the Gela section of the Qinghai-Tibet Railway, evaluates the bad engineering phenomenon and its harmfulness in the permafrost region, expounds the guiding ideology and the main project adopted by the Qinghai-Tibet Railway through the permafrost region Measures, put forward the viewpoints of comprehensive protection measures for subgrade projects in permafrost regions under new conditions and the suggestions on lifetime monitoring of railway in permafrost regions.