基坑围护施工组织设计(3)

10.1基坑降水井点设计 ............................................................................................................................... 37 10.2降水设备选用 ....................................................................................................................................... 37 10.3轻型井点施工工艺 ............................................................................................................................... 37 10.4施工方法 ............................................................................................................................................... 38 10.5井点施工的要点 ................................................................................................................................... 39 10.6降水运行管理 ....................................................................................................................................... 40 10.7降水注意事项 ....................................................................................................................................... 40 10.8井点降水排水沟的布设 ....................................................................................................................... 41 10.9井点降水安全文明施工措施 ............................................................................................................... 41 10.10可能出现问题及解决办法： ............................................................................................................. 42 十一、土方开挖施工方案 ............................................................................................................................... 42 11.1施工工艺简况 ...................................................................................................................................... 42 11.2基坑挖土施工机械和工期安排 ........................................................................................................... 43 11.3基坑挖土具体安排 ............................................................................................................................... 43 11.4基坑挖土质量保证措施 ....................................................................................................................... 45 11.5挖土安全、文明施工管理措施 ........................................................................................................... 45 11.6保洁措施 ............................................................................................................................................... 46 十二、钢支撑施工方案 ................................................................................................................................... 46 12.1支撑施工方法 ....................................................................................................................................... 47 12.2施加与复加应力 ................................................................................................................................... 47 12.3支撑安装施工程序 ............................................................................................................................... 48 12.4支撑拆除 ............................................................................................................................................... 48 12.5施工监测 ............................................................................................................................................... 50 12.6钢支撑安装质量控制措施 ................................................................................................................... 52 十三、质量保证措施 ....................................................................................................................................... 54 13.1资料控制 ............................................................................................................................................... 54 13.2测量控制 ............................................................................................................................................... 55 13.3原材料和半成品控制 ........................................................................................................................... 55 13.4过程控制 ............................................................................................................................................... 55 13.5、深层搅拌桩施工质量措施 ................................................................................................................ 56 13.6、确保桩身强度和均匀性要求做到 .................................................................................................... 56 13.7、H型钢加工及下插H型钢质量保证措施 ....................................................................................... 57 13.8、关键工序的确定及相应技术保证措施 ............................................................................................ 57 十四、安全保证措施 ....................................................................................................................................... 58 14.1安全管理目标 ....................................................................................................................................... 58 14.2安全管理措施计划 ............................................................................................................................... 58 14.3安全生产技术措施 ............................................................................................................................... 60 十五、文明施工保证措施 ............................................................................................................................... 62 15.1文明施工管理目标 ............................................................................................................................... 62 15.2文明施工管理措施 ............................................................................................................................... 62