水泥土搅拌桩施工方案(最新).docx

新建蒙西至中华地区铁路煤运通道土建工程 MHTJ-19 标段水泥搅拌桩施工方案中铁八局集团有限公司蒙华铁路 MHTJ-19 标项目部二〇一六年三月一日....目录1、编制依据 ...............................................................................................- 6 -2、工程概述 ...............................................................................................- 6 -2.1工程概况 ...................................................................................................6--2.2工程地质条件 ..........................................................................................6--2.3地形地貌 ...................................................................................................7--2.4设计参数 ...................................................................................................7--2.5工程数量 ...................................................................................................7--2.6主控项目 ...................................................................................................8--3、施工方案 ...............................................................................................- 8 -3.1施工准备 ...................................................................................................8--3.1.1一般准备 ...........................................................................................- 8 -3.1.2测量准备 ...........................................................................................- 8 -3.1.3 场地准备 ............................................................................................- 8 -3.1.4 材料准备 ............................................................................................- 9 -3.1.5 人员准备 ............................................................................................- 9 -3.1.6 机械准备 .........................................................................................-10-3.1.7 成桩实验 .........................................................................................-10-3.1.8 工期计划 .........................................................................................-11-3.2施工流程 .................................................................................................- 11-3.3施工步骤 .................................................................................................- 13-3.3.1 场地平整 .........................................................................................-13-....3.3.2钻机就位 .........................................................................................-13-3.3.3预搅下沉 .........................................................................................-14-3.3.4拌制水泥浆 ....................................................................................-14-3.3.5提升喷浆搅拌 ................................................................................-14-3.3.6重复预搅下沉、提升喷浆搅拌 ................................................-15-3.3.7钻机移位，进行下一循环作业。

............................................-15-3.4 质量控制和质量检验 ..........................................................................- 15-3.4.1质量控制 .........................................................................................-15-3.4.2质量检验 .........................................................................................-16-3.5 施工中问题分析及处理措施 ............................................................- 17-3.6 施工注意事项 .......................................................................................- 17-4、质量保证措施 ...................................................................................-19-5、安全保证措施 ...................................................................................-20-6、文明施工及环境保护措施 ..............................................................-20-....1、编制依据1、蒙华铁路设计技术交底文件和设计图纸；。