【正文】 2 工程概況 ..................................................................................................................................... 2 基坑環(huán)境條件 ...................................................................................................................... 2 基坑情況 .............................................................................................................................. 2 地質(zhì)情況 ............................................................................................................................... 3 土方開挖地質(zhì)情況 ............................................................................................................... 3 3 基坑圍護(hù)設(shè)計概況 ...................................................................................................................... 4 邊坡支護(hù)設(shè)計方案 ............................................................................................................... 4 基坑降水、排水措施 ........................................................................................................... 4 施工計劃、目標(biāo) ..................................................................................................................... 5 、本工程施工目標(biāo) ................................................................................................................ 5 組織機(jī)構(gòu) ............................................................................................................................... 5 施工準(zhǔn)備 ............................................................................................................................... 6 5 施工部署 ..................................................................................................................................... 9 總體部署 ............................................................................................................................... 9 主要機(jī)械、加工場所及堆場的設(shè)置 ................................................................................. 10 、水平與垂直運(yùn)輸方案 ...................................................................................................... 11 6 本基坑工程重點(diǎn)和難點(diǎn) ........................................................................................................... 11 廣西建工集團(tuán)第三建筑工程有限責(zé)任公司 №.3 Construction Engineering Co. Ltd Guangxi Construction Engineering Corporation Group 柳州市盛天龍灣居住小區(qū)（二期項目）深基坑 土方開挖和邊坡支護(hù)方案 2 本工程基坑施工有以下幾個特點(diǎn)： ................................................................................. 11 7 施工方法 .................................................................................................................................... 12 工藝流程： ......................................................................................................................... 12 土方開挖 ............................................................................................................................. 12 土釘墻施工方法 ................................................................................................................. 16 排水系統(tǒng)施工方法 ............................................................................................................. 20 8 基坑位移沉降監(jiān)測 .................................................................................................................... 21 監(jiān)測內(nèi)容 ............................................................................................................................. 21 監(jiān)測要求 ............................................................................................................................. 21 監(jiān)測警戒值 ......................................................................................................................... 21 其他的監(jiān)測事項 ................................................................................................................. 22 9 質(zhì)量控制措施 ............................................................................................................................ 23 土方開挖 ............................................................................................................................. 23 土釘墻 ................................................................................................................................. 23 質(zhì)量資料記錄 ..................................................................................................................... 24 10 成品保護(hù)措施 .......................................................................................................................... 25 11 安全文明措施 .......................................................................................................................... 25 12 雨季施工措施 .......................................................................................................................... 27 13 安全事故應(yīng)急預(yù)案 .................................................................................................................. 27 、目的 ................................................................................................................................ 27 應(yīng)急救緩物資準(zhǔn)備 ........................................................................................................... 28 應(yīng)急組織措施 ................................................................................................................... 28 廣西建工集團(tuán)第三建筑工程有限責(zé)任公司 №.3 Construction Engineering Co. Ltd Guangxi Construction Engineering Corporation Group 柳州市盛天龍灣居住小區(qū)（二期項目）深基坑 土方開挖和邊坡支護(hù)方案 3 、應(yīng)急組織體系與職責(zé) ............................................................................................... 28 、應(yīng)急措施 ................................................................................................................... 29 、應(yīng)急響應(yīng) ................................................................................................................... 30 、應(yīng)急終止 ...........................