盾构开仓换刀专项施工方案目录1编制依据...................................................................................................................................................-1-2工程概况...................................................................................................................................................-1-2.1工程概述.............................................................................................................................................-1-2.2换刀位置选择.....................................................................................................................................-1-2.2.1主动换刀..................................................................................................................................-2-2.2.2被动换刀..................................................................................................................................-2-2.3刀盘概述.............................................................................................................................................-2-3施工计划...................................................................................................................................................-5-4危险源辨识...............................................................................................................................................-7-5开舱换刀施工工艺...................................................................................................................................-8-5.1地基加固区无压开舱换刀方案.........................................................................................................-8-5.1.1开舱前准备..............................................................................................................................-8-5.1.2无压开舱土体加固技术措施..................................................................................................-8-5.1.3无压开舱施工作业面处理......................................................................................................-9-5.1.4刀具检查更换步骤..................................................................................................................-9-5.2带压开舱方案...................................................................................................................................-10-5.2.1人闸构造和功能....................................................................................................................-10-5.2.2人员带压作业操作顺序........................................................................................................-11-5.2.3通过人员舱运输刀具/工具/材料..........................................................................................-13-5.3舱内灌浆开舱换刀方案...................................................................................................................-14-5.3.1施工前准备............................................................................................................................-14-5.3.2开舱换刀................................................................................................................................-15-6危险源控制施工措施........................................................................................
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