呼和浩特市轨道交通2号线（一期）工程项目新华广场站墙接缝止水加固施工方案编制单位：浙江鼎业基础工程有限公司编制日期：2017年2月11日目录一、工程概况.........................................................................................................11.1工程概况....................................................................................................11.2加固体设计概况.........................................................................................11.3主要工程量................................................................................................1二、编制依据.........................................................................................................1三、主要地质情况.................................................................................................23.1主要地质情况.............................................................................................23.2地下水情况................................................................................................4四、主要考虑因素及应对措施..............................................................................64.1成孔垂直精度高........................................................................................64.2旋喷桩直径大............................................................................................64.3旋喷桩需连续施工.....................................................................................6五、设备选型.........................................................................................................65.1MJS旋喷桩机特点......................................................................................75.2MJS全方位超高压旋喷桩施工原理及工艺流程.........................................9六、施工平面布置及施工部署..............................................................................96.1平面布置图要求........................................................................................96.2施工进度计划..........................................................................................106.3资源配置.................................................................................................106.3.1劳动力安排计划表.............................................................................106.3.2设备配置计划....................................................................................116.3.3用电、用水计划（见施工用电、用水计划表）.............................11七、施工工艺流程及施工方法.............................................................................137.1MJS旋喷桩施工工艺流程见图..................................................................137.2MJS旋喷桩施工方法.................................................................................137.2.1施工准备.............................................................................................137.2.2引孔钻机就位.....................................................................................147.2.3引孔钻进.............................................................................................147.2.4引孔垂直度的控制..............................................................................157.2.5MJS喷射钻机就位下放钻杆...............................................................157.2.6MJS喷射...................................
