上软下硬地层盾构隧道施工控制技术
CONSTRUCTION CONTROL TECHNOLOGY OF SHIELD TUNNEL IN UPPER SOFT AND LOWER HARD STRATUM
栾义浩 1王旭春 1罗敏鹤 1刘绪壮 1郝展鹏1
作者信息
- 1. 青岛理工大学土木工程学院,山东青岛 266033
- 折叠
摘要
为解决上软下硬地层中盾构施工遇到的问题,采用理论分析的方法,并结合具体工程实例,通过分析土仓压力、推力、刀盘转速和掘进速度等掘进参数,验证施工措施的合理性.结果表明在上软下硬地层中,盾构施工采取"满土仓、小推力、低转速和慢掘进"的施工控制方法,能够满足地表沉降规范要求.文中研究结果可为相似地层中盾构隧道施工提供借鉴和参考.
Abstract
Combining with specific engineering examples,theoretical analysis method is applied to solve the prob-lems encountered in shield construction in upper-soft and lower-hard stratum,the rationality of construction mea-sures is verified by analyzing tunneling parameters such as soil tank pressure,thrust,cutter head speed and tunnel-ing speed.We propose a construction control method featuring full soil tank,small thrust,low cutter head speed,and slow shield tunneling,by which the requirements of the surface subsidence specification are satisfied.The paper may provide the reference for shield tunnel construction in similar strata.
关键词
上软下硬地层/盾构隧道/掘进参数/地表沉降Key words
upper-soft and lower-hard stratum/shield tunnel/tunneling parameters/surface subsidence引用本文复制引用
出版年
2024
NETL
NSTL
万方数据