大直径盾构始发钢托架施工应用  

The Engineering Application of the Steel Base in the Starting Section of Large Shield Machine

作　　者：史吏 SHI Li(China Railway 14th Bureau Group Big shield Engineering Co.Ltd.,Nanjing 211800,China)

机构地区：[1]中铁十四局集团大盾构工程有限公司,南京211800

出　　处：《工程建设与设计》2023年第1期183-185,共3页Construction & Design for Engineering

摘　　要：针对湘雅路大泥水盾构始发段大坡度、小曲线半径的特殊工况条件,论文对比了钢托架始发基座与传统混凝土基座的优劣点,对该工程中钢托架始发关键技术与工程应用进行了介绍,重点分析了托架和负环的稳定措施。In view of the special working conditions of large slope and small curve radius in the starting section of the large slurry shield machine on the Xiangya Road, this paper compares the advantages and disadvantages between the steel base and the traditional concrete base.The key technology and engineering application of the tunnel starting with steel base are introduced, the stability measures of bracket and negative ring are analyzed emphatically.

关 键 词：泥水盾构 始发技术 钢托架 

分 类 号：U455.43[建筑科学—桥梁与隧道工程]