新建重庆铁路枢纽东环线站前工程DHZQ-4标深路堑安全专项方案中铁二局工程有限公司重庆铁路枢纽东环线项目经理部二〇一七年十二月新建重庆铁路枢纽东环线站前工程DHZQ-4标深路堑安全专项方案编制：审核：审批：中铁二局工程有限公司重庆铁路枢纽东环线项目经理部二〇一七年十二月中铁二局工程有限公司重庆铁路枢纽东环线站前工程DHZQ-4标路基工程深路堑安全专项方案目录1编制依据、原则.......................................................................................11.1编制依据.........................................................................................11.2编制原则.........................................................................................22编制范围...................................................................................................23工程概况...................................................................................................33.1工程地理位置..................................................................................33.2设计概况.........................................................................................33.3地形地貌.........................................................................................43.4气候条件.........................................................................................43.5水文条件.........................................................................................53.6地质条件.........................................................................................54总体布置...................................................................................................54.1施工组织机构.................................................................................54.2人员配置.........................................................................................64.3机械设备配置..................................................................................75施工方案...................................................................................................75.1总体施工方案..................................................................................75.2深路堑开挖施工方案.....................................................................85.2.1深路堑开挖施工工艺..............................................................85.2.2施工准备..................................................................................85.2.3场地清理..................................................................................9I中铁二局工程有限公司中铁二局工程有限公司重庆铁路枢纽东环线站前工程DHZQ-4标路基工程深路堑安全专项方案5.2.4截水天沟施工..........................................................................95.2.5路基高边坡开挖方案............................................................105.2.6深挖路堑支护方案................................................................115.2.7深挖路堑施工防排水方案....................................................115.2.8深路堑排水............................................................................125.2.9挡土墙施工............................................................................155.2.10深挖路堑施工注意事项......................................................166质量保证措施..........................................................................................186.1质量目标......................................................
VIP
