青藏铁路高原冻土区桥涵工程设置

On the Allocation of Bridges and Culverts of the Qinghai-Tibet Railway in Plateau Permafrost Regions

青藏线格拉段多年冻土地区达550 km,全线平均海拔4 000 m以上,多年冻土区的桥涵勘测与一般地区相比,差异很大,简要阐述了对高原冻土地区铁路桥涵工程设置的几点认识。

There are 550 km railway lines passing through permafrost regions with the average altitude over 4000 m, where the survey of bridges and culverts is quite special. In this article some suggestions are given to the Qinghai—Tibet Railway in the allocation of bridges and culverts in the plateau permafrost regions. Key Words, plateau; permafrost; railway bridge; culvert; allocation