成贵铁路CGZQSG-4标大屋基明洞高陡边坡开挖专项施工方案编制：审核：批准：中交第二航务工程局有限公司成贵铁路项目经理部二〇一四年六月目录一、编制依据.......................................................................................................1二、工程概况........................................................................................................12.1、设计概况....................................................................................................12.2、自然条件....................................................................................................32.3、明洞边坡及仰坡稳定性分析....................................................................32.4、施工要求....................................................................................................32.5、主要工程数量表........................................................................................3三、施工计划........................................................................................................53.1、明洞工程施工安排....................................................................................53.2、施工进度计划............................................................................................53.3、人员、材料与设备计划............................................................................5四、施工工序及工艺............................................................................................54.1、主要施工方法............................................................................................74.2、开挖施工方案............................................................................................74.3、边坡防护施工工艺..................................................................................104.3.1锚喷挂网支护..........................................................................................104.3.2锚杆框架梁内喷混植生防护..................................................................114.3.3人字形C25砼截水骨架内植草防护......................................................12五、质量保障措施..............................................................................................125.1、沉降观测..................................................................................................125.2、组织保障..................................................................................................145.3、质量保证措施..........................................................................................145.4、雨季施工措施..........................................................................................16六、安全保证措施..............................................................................................176.1、组织机构..................................................................................................176.2、施工安全措施..........................................................................................176.2.1、施工安全技术措施..............................................................................176.2.2、明洞隧道高边坡挖方安全措施..........................................................196.2.3、防护支挡工程结构物施工安全措施..................................................206.2.4、明洞施工人员安全措施...................................................
