目录第一章、编制说明..............................................................................................1第一章、工程概况..............................................................................................21、工程简介..........................................................................................................22、工程概况..........................................................................................................33、基础设计..........................................................................................................3第二章、编制依据..............................................................................................3第三章、灌注桩后注浆技术简介及适用范围.....................................................44、灌注桩后注浆技术简介...................................................................................45、适用范围..........................................................................................................46、工作原理..........................................................................................................4第四章、施工工期..............................................................................................4第五章、施工设备..............................................................................................5第六章、施工流程及施工步骤...........................................................................57、施工流程..........................................................................................................58、施工步骤..........................................................................................................51.1布孔及钻孔....................................................................................................51.2预埋孔口管....................................................................................................51.3高压清水喷射冲洗.........................................................................................51.4高压注浆........................................................................................................61.5孔口补浆........................................................................................................61.6孔口（憋）压浆............................................................................................61.7重新钻芯检测................................................................................................6第七章、旋喷施工参数.......................................................................................69、施工设备参数要求..........................................................................................610、浆液要求........................................................................................................6第八章、质量保障措施.......................................................................................7第九章、安全保障措施.......................................................................................7XXX项目桩基沉渣处理方案第一章、编制说明2号楼47号桩（23轴/M轴）于2019年9月3日成型；桩型为ZH7，桩径2200mm，基顶标高为1520.100mm，混凝土浇筑标高1519.000m；桩底标高1498.515m；2019年11月7日至2019年11月9日分别对桩基进行3次钻孔检测检测时发现1498.915m～1498.515m段存在沉渣，沉渣厚度400mm。（1）1号钻孔时间为201...
