包西铁路通道大保当至张桥段桥梁设计  

Bridge Design on Dabaodang-Zhangqiao Section of the Baotou-Xi'an Railway

作　　者：唐英[1] 

机构地区：[1]中铁第一勘察设计院集团有限公司桥隧处,西安710043

出　　处：《铁道标准设计》2013年第6期44-50,共7页Railway Standard Design

摘　　要：包西铁路通道大保当至张桥段桥梁长度近101 km,桥址地形地貌复杂,主要存在沙漠地区、煤窑采空区、盐渍土地区及湿陷性黄土地区等不良地质;结合客货共线铁路设计特点,简要介绍桥涵工程概况、桥梁类型的选择、桥梁设计原则、不良地质对桥梁设计的影响;对新结构桥梁设计和重点桥梁也作了简述。The total length of the bridges on Dabaodang-Zhangqiao section of the Baotou-Xi＇an Railway is nearly 101 kilometers, and geological condition at these bridge sites is so complex that it contains lots of desert area, coal mined-out area, saline soil area, collapsible loess area and other unfavorable geologies. Combined with the characteristics of mixed passenger and freight railway, this article introduces project overview of the bridges and culverts, bridge type selection, bridge design principle and the effect of unfavorable geological condition on bridge design. In regard to the designs of new bridge structure and key bridge, the article also gives introduction briefly.

关 键 词：包西铁路 桥梁 设计 

分 类 号：U442.5[建筑科学—桥梁与隧道工程]