【正文】 案 』 1 目 錄 第一章 綜合說(shuō)明 ........................................................................................................... 1 ....................................................... 1 ....................................................... 2 工程地質(zhì)條件 ............................................. 2 地下水情況 ............................................... 3 ................................................... 3 第 二章 總體設(shè)計(jì) ........................................................................................................... 3 ....................................................... 3 ......................................... 3 支護(hù)方案 ................................................. 3 地表水排水設(shè)計(jì) ........................................... 9 第三章 施工部署 ........................................................................................................... 13 ...................................................... 13 技術(shù)準(zhǔn)備 ................................................ 13 現(xiàn)場(chǎng)準(zhǔn)備 ................................................ 13 機(jī)械準(zhǔn)備 ................................................ 13 物資準(zhǔn)備 ................................................ 13 人員準(zhǔn)備 ................................................ 13 ........................................ 13 組織機(jī)構(gòu) ................................................ 13 責(zé)任分工 ................................................ 14 .............................................. 14 .................................................... 15 .................................................. 16 第四章 施工進(jìn)度計(jì)劃與保證措施 ............................................................................... 16 .................................................. 16 .......................................... 16 建立完善的計(jì)劃保證體系 .................................. 16 技術(shù)工藝及措施的保證 .................................... 17 施工機(jī)械配置 ............................................ 17 西單北大街 110號(hào) 『 土方開(kāi)挖及支護(hù)工程 施工 方案 』 2 優(yōu)秀的施工專業(yè)隊(duì)伍 ...................................... 17 工期的分階段控制 ........................................ 17 施工進(jìn)度計(jì)劃 ............................................ 17 第五章 專項(xiàng)方案 ........................................................................................................... 18 ...................................................... 18 開(kāi)挖順序 ................................................ 18 坡道的留設(shè) .............................................. 18 渣土消納 ................................................ 19 挖土及運(yùn)輸車輛的配備 .................................... 19 .................................................... 19 施工工藝流程 ............................................ 19 場(chǎng)地條件 ................................................ 19 設(shè)備選擇 ............................................ 20 成孔方法 ............................................ 20 錨桿桿體加工與安裝 ...................................... 20 注漿 .................................................... 20 上錨具、張拉 ............................................ 20 錨桿基本試驗(yàn) ............................................ 21 .................................................... 21 施工工藝流程 ............................................ 21 材料選擇 ................................................ 21 擋土墻砌筑施工 .......................................... 22 構(gòu)造柱、圈梁及頂梁施工 .................................. 22 ............................................ 22 施工內(nèi)容及工作量 ........................................ 22 施工要點(diǎn) ................................................ 23 .................................................. 23 ............................................ 24 第六章 基坑監(jiān)測(cè)方案及緊急情況預(yù)案 ................................................................... 24 ...................................................... 24 擋土墻頂部位移觀測(cè) ...................................... 25 護(hù)坡樁頂部位移監(jiān)測(cè) ...................................... 25 基坑監(jiān)測(cè)警戒值 .......................................... 25 西單北大街 110號(hào) 『 土方開(kāi)挖及支護(hù)工程 施工 方案 』 3 ...................................................... 26 邊坡滑坡 ................................................ 26 局部坍塌 ................................................ 26 地表裂縫 ................................................ 26 第七章 質(zhì)量保證體系 ................................................................................................... 26 ................................................ 26 質(zhì)量目標(biāo) ................................................ 26 質(zhì)量目標(biāo)分解 ............................................ 26 .................................................. 27 質(zhì)量保證程序 ............................................ 27 過(guò)程質(zhì)量執(zhí)行程序 ........................................ 27 質(zhì)量保證體系 ............................................ 28 .............................................. 28 ...................................................... 29 工程的特點(diǎn)、難點(diǎn)、質(zhì)量控制要點(diǎn) .......................... 29 落實(shí) “ 三檢制 ” .......................................... 29 堅(jiān)持樣板引路 ............................................ 29 建立質(zhì)量例會(huì)制度 ........................................ 29 土方施工 ................................................ 29 ...................................................... 30 .................................................. 31 ...................................................... 31 第八章 安全與消防保衛(wèi)管理 ....................................................................................... 32 .................................................. 32 .................................................. 32 .............................................. 32 .................................................. 33 .................................................. 34 .......................