青藏铁路格拉段接触网支柱基础主要工程问题及对策  

作　　者：张晓栋 王越 吴君 田志军[1] 

机构地区：[1]中铁第一勘察设计院集团有限公司电化院 [2]中国铁路青藏集团有限公司建设部

出　　处：《电气化铁道》2021年第S01期50-52,58,共4页Electric Railway

摘　　要：针对青藏铁路格拉段工程地质特征和冻土区路基现状,分析接触网支柱基础面临的主要工程问题,结合营业线施工作业条件及要求,研究多年冻土路基接触网支柱基础选型,提出路基防护、冻土保护及接触网支柱基础长期稳定的措施,以指导青藏铁路格拉段接触网支柱基础的设计和施工。According to the engineering geological characteristics and the status of the earth structure in the permafrost regions of Qinghai-Tibet railway and current situation of subgrade in frozen soil area,the paper analyzes the main engineering problems faced by the overhead contact system mast foundation.Combined with the construction conditions and requirements of service lines,studies the selection of OCS mast foundation for permafrost subgrade,puts forward the measures for subgrade protection,frozen soil protection and long-term stability of OCS mast foundations,so as to guide the design and construction of OCS mast foundations in Gela section of Qinghai-Tibet railway.

关 键 词：青藏铁路 接触网 支柱基础 多年冻土 

分 类 号：U225.42[交通运输工程—道路与铁道工程]