【摘要】 在复合地层中土压平衡盾构机开舱是一项比较危险的作业。文章系统地介绍了开舱作业风险源,并提出了相关的风险控制方法;分析了深圳地区的地质、水文情况对开舱条件的适宜性,以及对各种条件下开舱点选择的风险防范;最后介绍了深圳地铁2222标侨-香区间的7次开舱经验,并对其开舱进行分类、总结。更多还原

【Abstract】 The opening of chambers is a dangerous job with respect to the construction of earth pressure balance shield machines in mixed ground.This paper introduces the risk of chamber opening,discusses risk control methods,analyzes the geological and hydrological condition of the Shenzhen area concerning the issue of chamber opening,and presents risk prevention measures for site selection of chamber opening under various conditions.Additionally it discusses the experience of chamber opening in Lot 2222 of the Shenzhen Metro line 2.更多还原