摘要
以天津地铁三号线水上北路站—吴家窑站盾构区间左线施工为背景,针对盾构施工区间遇到的大坡度并小半径曲线的综合难题,利用施工过程中积累的各种数据,采用受力分析和数理统计的方法,分析了盾构推进过程中各项参数对掘进的影响,探讨了盾构掘进过程中的操作与纠偏技术,得出了正确分析所采用推力的大小和方向、铰接的使用以及在特殊曲线段设置纠偏曲线是大坡度并小半径曲线段盾构操作与纠偏的重点。
According to the comprehensive problem of large slope and small radius curve in the construction of a shield in- terval of Tianjin metro line 3, by the use of variety of data accumulated in the construction process, with the stress analysis and mathematical statistics, the analysis is made on the influence of the variety of data to shield tunneling, and the discus- sion is made on the shield tunneling operation and rectification tcchnolog37. It is realized that the correct analysis on tile thrust force and direction, the articulated structure and correction curve setting in the special curve segment is the focus for shield operation and rectification in large slope and small radius curve segment.
出处
《探矿工程（岩土钻掘工程）》
2013年第9期80-84,共5页
Exploration Engineering:Rock & Soil Drilling and Tunneling
关键词
地铁隧道
盾构
推力
铰接
小半径
大坡度
纠偏
subway tunnel
shield
thrust force
articulated structure
small radius
large slope
rectification
