中孔泄洪洞出口段土石方开挖及支护专项施工技术方案方案编号：[2015]005号编制人：审核人：审批人：中国葛洲坝集团第五工程有限公司中孔泄洪洞出口段土石方开挖及支护专项施工方案目录1工程概述..............................................................11.1工程项目概述.....................................................11.2工程地质.........................................................11.3开挖与支护工作内容...............................................11.4土石方明挖、支护注意事项.........................................12施工布置..............................................................22.1施工道路布置.....................................................22.2施工风、水、电、布置.............................................22.3弃渣场...........................................................33施工工艺流程..........................................................43.1土石方明挖工程施工工艺流程.......................................43.2支护工程施工工艺要求流程.........................................54施工测量..............................................................54.1测量控制系统.....................................................54.2土石方施工测量...................................................55施工工艺及施工方案....................................................65.1土石方开挖工程...................................................65.2边坡支护........................................................176土石方开挖及支护施工进度计划.........................................246.1土石方开挖支护施工进度计划......................................246.2支护施工进度计划................................................257施工机械配置........................................................257.1土石方明挖施工机械设备配置......................................257.2边坡支护机械配置................................................268质量控制措施.........................................................268.1开挖质量控制措施................................................268.2支护工程质量控制措施............................................289安全控制措施.........................................................29I中国葛洲坝集团第五工程有限公司中孔泄洪洞出口段土石方开挖及支护专项施工方案9.1土石方开挖安全技术控制措施......................................299.2支护技术安全措施................................................319.3高边坡施工安全措施..............................................339.4临边、洞口及高处作业安全防护技术措施...........................339.5个人安全防护....................................................349.6夜间施工措施....................................................3410环境保护措施........................................................3510.1扬尘控制.......................................................3510.2加强污水废水的处理............................................3511资源配置计划........................................................3511.1主要施工机械配置...............................................3511.2劳动力资源配置计划.............................................36I第0页共37页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第0页共37页1工程概述1.1工程项目概述中孔泄洪洞出口段开挖部位主要有泄槽段、调流鼻坎、陡坡段、水垫塘段、护坦段、钢筋石抛石段。主要工程量主要包括：出口段土方开挖和出口石方明挖，开挖工程量有土方明挖156万m3，石方明挖145万m3。中...
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