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

作　　者：曹增华[1] 叶茂[1] 

机构地区：[1]铁道第一勘察设计院西安分院,陕西西安710043

出　　处：《冰川冻土》2003年第B08期69-74,共6页Journal of Glaciology and Geocryology

摘　　要：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

关 键 词：青藏铁路 高原 冻土 桥梁 涵洞 

分 类 号：U442.5[建筑科学—桥梁与隧道工程]