【正文】 廣州地鐵二十一號(hào)線 10 標(biāo)土建工程 — 深基坑開(kāi)挖專(zhuān)項(xiàng)方案 目錄 目錄 .................................................................................................................................................. 1 ............................................................................................................................. 4 .............................................................................................................................. 4 編制原則 ............................................................................................................................. 4 ........................................................................................................................................ 4 .............................................................................................................................. 4 地質(zhì)概況描述 ...................................................................................................................... 5 地形地貌 ................................................................................................................... 5 區(qū)域地質(zhì)構(gòu)造 ............................................................................................................ 5 巖土分層特征 ............................................................................................................ 5 水西站地質(zhì)描述 ........................................................................................................ 7 水西停車(chē)場(chǎng)出入線地質(zhì)描述 ....................................................................................... 8 暹崗站～水西站區(qū)間地質(zhì)概述 ....................................................... 錯(cuò)誤 !未定義書(shū)簽。 特殊性巖土 ............................................................................................................. 10 水文地質(zhì) ................................................................................................................. 11 、難點(diǎn)分析 .................................................................................................................... 11 ...................................................................................................................................... 12 ..................................................................................................................... 12 ..................................................................................................................... 13 水西站基坑開(kāi)挖方案 ............................................................................................... 13 出入場(chǎng)線一期基坑開(kāi)挖方案 ..................................................................................... 15 出入場(chǎng)線二期基坑開(kāi)挖方案 ..................................................................................... 19 中間風(fēng)井基坑開(kāi)挖方案 .................................................................. 錯(cuò)誤 !未定義書(shū)簽。 施工組織 ........................................................................................................................... 21 基坑開(kāi)挖原則 .......................................................................................................... 21 基坑開(kāi)挖流程 .......................................................................................................... 22 基坑開(kāi)挖要點(diǎn) .......................................................................................................... 24 基坑開(kāi)挖組織 .......................................................................................................... 24 .............................................................................................................. 26 水西站及出入場(chǎng)線一期工序工期分析 ....................................................................... 26 出入場(chǎng)線二期工序工期分析 ..................................................................................... 31 中間風(fēng)井工序工期分析 .................................................................. 錯(cuò)誤 !未定義書(shū)簽。 ................................................................................................................. 34 ..................................................................................................................... 35 水西站入出入場(chǎng)線區(qū)域設(shè)備配備表 ................................................................................. 35 中間風(fēng)井區(qū)域設(shè)備配備表 ..................................................................... 錯(cuò)誤 !未定義書(shū)簽。 ............................................................................................................................ 36 .............................................................................................................. 36 .......................................................................................................... 36 ................................................................................................................. 38 ............................................................................................................................ 38 ................................................................................................................. 38 .............................................................................................................. 38 廣州地鐵二十一號(hào)線 10 標(biāo)土建工程 — 深基坑開(kāi)挖專(zhuān)項(xiàng)方案 、圍檁、鋼支撐等支撐體系的施工 .................................................................... 40 ................................................................................................................. 40 、圍檁、板撐的施工 .............................................................................. 40 .............................................................................................................. 40 .............................................................................................................. 41 .......................................................................................................... 42 .................................................................................................