【正文】 . 1 工程概況 ......................................................................................................................... 3 支護(hù)設(shè)計(jì)概況 ......................................................................................................... 3 場(chǎng)區(qū)周邊環(huán)境 ......................................................................................................... 3 場(chǎng)地工程地質(zhì)條件 ................................................................................................. 3 場(chǎng)地水文地質(zhì)條件 ................................................................................................. 3 工程特點(diǎn) ......................................................................................................................... 4 支護(hù)設(shè)計(jì)具體介紹 ................................................................................................. 4 工程特點(diǎn)及實(shí)施難點(diǎn) ............................................................................................. 4 施工組織管理 ................................................................................................................. 5 施工組織部署 ......................................................................................................... 5 施工協(xié)調(diào)管理 ......................................................................................................... 5 組織管理體系 ......................................................................................................... 5 施工平面布置及各項(xiàng)目需用計(jì)劃 ................................................................................. 6 總體布置 ................................................................................................................. 6 現(xiàn)場(chǎng)平面布置原則 ................................................................................................. 6 現(xiàn)場(chǎng)平面布置管理 ................................................................................................. 6 主要材料物質(zhì)計(jì)劃 ................................................................................................. 7 主要施工方法及施工順序 ............................................................................................. 7 施工順序 ................................................................................................................. 7 主要施工方法 ......................................................................................................... 7 微型鋼管樁施工 ........................................................................................ 10 錨桿施工 .................................................................................................... 10 錨管 ........................................................................................................... 11 . 4 土釘掛網(wǎng) ..................................................................................................... 13 . 5 噴射砼面板及鋼筋網(wǎng) ................................................................................. 13 土方開(kāi)挖施工 ............................................................................................ 15 坡頂、坡底排水 ........................................................................................ 15 上層滯水處理 ............................................................................................ 16 基坑支護(hù)施工方案 2 施工注意事項(xiàng) ....................................................................................................... 16 施工進(jìn)度計(jì)劃及人員安排 ........................................................................................... 16 工期目標(biāo) ............................................................................................................... 16 工期保證措施 ....................................................................................................... 16 施工人員安排 ....................................................................................................... 17 質(zhì)量保證體系及質(zhì)量保證措施 ................................................................................... 18 質(zhì)量方針和質(zhì)量目標(biāo) ........................................................................................... 18 質(zhì)量管理組織機(jī)構(gòu)、質(zhì)量體系及質(zhì)量職責(zé) ....................................................... 18 質(zhì)量體系主要要素控制 ....................................................................................... 19 工期保證措施 ............................................................................................................... 19 安全保證措施 ............................................................................................................. 20 安全目標(biāo) ............................................................................................................. 20 安全保證措施 ..................................................................................................... 20 安全技術(shù)保證措施 ............................................................................................. 20 施 工機(jī)械安全控制措施 ..................................................................................... 21 1文明施工和環(huán)境保護(hù) ................................................................................................. 21 1基坑監(jiān)測(cè)及應(yīng)急措施 ................................................................................................. 23 基坑監(jiān)測(cè) ............................................................................................................. 23 應(yīng)急措施 ............................................................................................................. 23 應(yīng)急措施安排 ..................................................................................................... 24 基坑支護(hù)施工方案 3 編制依據(jù) 深基坑支護(hù)設(shè)計(jì)書(shū) 巖土工程勘察報(bào)告 湖北省深基坑工程技術(shù)規(guī)定（ DB42/1592020） 建筑基坑支護(hù)技術(shù)規(guī)程（ JGJ1201999） 建筑樁基技術(shù)規(guī)范（ JGJ9494） 混凝土結(jié)構(gòu)施工及驗(yàn)收規(guī)范（ GB502042020） 供水水文地質(zhì)勘察規(guī)范（ GBJ2788） 建筑地基處理技術(shù)規(guī)范（ JGJ7991） 錨桿噴射砼支護(hù)技術(shù)規(guī)范（ GB500862020） 工程概況 本基坑重要性等級(jí)為二級(jí)。 本工程主樓設(shè)計(jì)為 10 層，地下室設(shè)計(jì)為地下一層，層高