论文部分内容阅读
1工程概况青藏铁路全长1112km,全线高程大于4000m的地段有960km,是世界上海拔最高的铁路,经过连续多年冻土区的地段有546km,也是世界上连续多年冻土区里程最长的铁路。在建设中面临前所未有的三大难题,即“高原缺氧、多年冻土、生态脆弱”三大世界性难题。由武警水电部队承建的
1 Project Overview The Qinghai-Tibet Railway, with a total length of 1112km and 960km of elevation above 4000m, is the highest railway in the world with 546km of continuous permafrost zone and the longest mileage railway in the world in consecutive permafrost regions . In the construction of the three major challenges facing unprecedented, that “the plateau anaerobic, permafrost, ecological fragility” three world problems. Construction by the Armed Police Hydropower