新建铁路兰州至重庆线广元至重庆段LYS-12标第二分部隧道超前小导管、锚杆施工方案编制：审批：批准：中交一公局兰渝铁路LYS-12标段项目经理部第二分部二〇〇九年十二月目录一、编制依据........................................................................................................................................1二、编制原则........................................................................................................................................1三、工程概况........................................................................................................................................11、工程简介..................................................................................................................................12、设计技术标准..........................................................................................................................2四、机械设备及人员配备....................................................................................................................3五、施工工艺及技术要求....................................................................................................................31、超前小导管、锚杆设计..........................................................................................................32、超前小导管施工......................................................................................................................32.1制作钢花管........................................................................................................................42.2小导管安装........................................................................................................................52.3注浆....................................................................................................................................52.4注浆异常现象处理............................................................................................................53、超前锚杆施工..........................................................................................................................63.1工艺流程.............................................................................................................................63.2工艺要点及技术措施.........................................................................................................6六、质量检验........................................................................................................................................61、质量验收规范..........................................................................................................................62、分项验收标准..........................................................................................................................62.1主控项目.............................................................................................................................62.2一般项目............................................................................................................................8七、安全、质量控制措施....................................................................................................................8十、文物保护措施...............................................................................................................
