【正文】 ................................ 4 、工點(diǎn)工程施工現(xiàn)狀 ................................................................................................................ 6 第 2 章 工程周邊環(huán)境 ............................................................................................................... 7 、工程安全監(jiān)測控制范圍 ........................................................................................................ 7 、周邊建筑及地下管線 ............................................................................................................ 7 、工程地質(zhì)及水文地質(zhì)條件 .................................................................................................... 7 第 3 章 監(jiān)測目的與編制依據(jù) ................................................................................................. 10 、監(jiān)測目的 .............................................................................................................................. 10 、編制依據(jù) .............................................................................................................................. 10 第 4 章 監(jiān)測工作內(nèi)容 ............................................................................................................. 12 、監(jiān)測項(xiàng)目與監(jiān)測精度 .......................................................................................................... 12 、巡視檢查項(xiàng)目及基本內(nèi)容 .................................................................................................. 12 、監(jiān)測重點(diǎn)、難點(diǎn) .................................................................................................................. 13 第 5 章 第三方監(jiān)測風(fēng)險分析 ................................................................................................. 14 、第三方監(jiān)測與監(jiān)測管理風(fēng)險識別 ...................................................................................... 14 、第三方監(jiān)測與監(jiān)測管理風(fēng)險清單 ...................................................................................... 14 、第三方監(jiān)測風(fēng)險控制應(yīng)對措施 .......................................................................................... 14 第 6 章 控制網(wǎng)建立 ................................................................................................................... 15 、平面控制網(wǎng) .......................................................................................................................... 15 、高程控制網(wǎng) .......................................................................................................................... 17 、檢查校核監(jiān)督管理 .............................................................................................................. 19 第 7 章 監(jiān)測點(diǎn)的布設(shè) ............................................................................................................. 20 、監(jiān)測點(diǎn)布設(shè)及監(jiān)督管理總體原則 ...................................................................................... 20 、盾構(gòu)井結(jié)構(gòu)圍護(hù)結(jié)構(gòu)體系監(jiān)測點(diǎn)布設(shè)原則 ...................................................................... 20 、周邊環(huán)境監(jiān)測點(diǎn)布設(shè)原則 .................................................................................................. 21 、樁（墻）頂豎向、水平位移監(jiān)測點(diǎn)的布設(shè) ...................................................................... 21 、支撐軸力監(jiān)測點(diǎn)的布設(shè) ...................................................................................................... 21 XX 地鐵 第三方監(jiān)測方案 第 2 頁 共 61 頁 、樁（墻）體水平位移監(jiān)測點(diǎn)（測斜孔）的布設(shè) .............................................................. 23 、坑外潛水位監(jiān)測點(diǎn)的布設(shè) .................................................................................................. 24 、基坑周邊道路及地表監(jiān)測點(diǎn)的布設(shè) .................................................................................. 25 、建（構(gòu)）筑物沉降、傾斜監(jiān)測點(diǎn)的布設(shè) .......................................................................... 26 、監(jiān)測點(diǎn)埋設(shè)步驟 ................................................................................................................ 27 第 8 章 監(jiān)測作業(yè)方法 ............................................................................................................... 29 、圍護(hù)樁（墻）體水平位移（測斜） .................................................................................. 29 、圍護(hù)樁（墻）頂豎向位移監(jiān)測 .......................................................................................... 30 、圍護(hù)樁 (墻 )頂水平位移監(jiān)測 ............................................................................................. 34 、坑外潛水位監(jiān)測 .................................................................................................................. 39 、支撐軸力監(jiān)測 ...................................................................................................................... 40 、裂縫監(jiān)測 .............................................................................................................................. 42 、其他監(jiān)測項(xiàng)目 ...................................................................................................................... 42 、監(jiān)測作業(yè)監(jiān)督管理 .............................................................................................................. 42 第 9 章 監(jiān)測頻率、監(jiān)測周期、報警控制指標(biāo) ....................................................................... 43 、監(jiān)測頻率 .............................................................................................................................. 43 、監(jiān)測周期 .............................................................................................................................. 43 、監(jiān)測報警控制指標(biāo) .............................................................................................................. 43 第 10 章 監(jiān)測信息成果和信息反饋 ......................................................................................... 45 、監(jiān)測信息成果 .................................................................................................................... 45 、正常情況下的信息反饋 .................................................................................................... 45 、預(yù)警、緊急事故報警狀態(tài)下的信息反饋 ........................................................................ 46 、監(jiān)測成果信息反饋框圖 .....................................................