***大厦二期工程质 量 通 病 防 治 措 施编制单位：北京***建设工程有限公司 目 录1.施工测量..........................................................................................................11.1平面控制不当..............................................................................................................11.2高程控制不当..............................................................................................................11.3轴线控制点偏差...........................................................................................................21.4沉降观测点的形式与埋设不合理...............................................................................22.土方工程........................................................................................32.1基坑(槽)回填土沉陷....................................................................................................32.2回填土渗透水引起地基下沉.......................................................................................43.地下防水工程................................................................................43.1混凝土施工缝渗漏水...................................................................................................43.2后浇带部位渗漏水.......................................................................................................53.3卷材防水层空鼓...........................................................................................................74.主体结构工程................................................................................84.1轴线位移......................................................................................................................84.2接缝不严......................................................................................................................84.3脱模剂使用不当...........................................................................................................94.4封闭或竖向模板无排气孔...
