【正文】 中華人民共和國北京市昌平區(qū)北七家商務(wù)園土方、護(hù)坡工程設(shè)計及施工組織方案派力工程有限公司2022 年 6 月 1 日1 / 47目錄1 工程總述 ................................................................................................................5 編制依據(jù) .............................................................................................................5 設(shè)計文件及勘察文件 ......................................................................................5 主要規(guī)程、規(guī)范 ..............................................................................................5 工程概況 .............................................................................................................6 工程基本情況 ..................................................................................................6 場地工程地質(zhì)情況 ..........................................................................................6 場地水文地質(zhì)情況 ..........................................................................................82 基坑支護(hù)設(shè)計方案 ................................................................................................9 基坑安全等級與設(shè)計使用期限 .........................................................................9 基坑支護(hù)設(shè)計原則 .............................................................................................9 基坑支護(hù)設(shè)計方案 .............................................................................................9 基坑支護(hù) 11 剖面—— 土釘墻支護(hù) ...............................................................9 基坑支護(hù) 22 剖面—— 掛網(wǎng)噴支護(hù) .............................................................10 降水設(shè)計方案簡介 ...........................................................................................10 降水可行性分析 ............................................................................................10 降水計算 ........................................................................................................10 井點設(shè)計 ........................................................................................................11 抽水設(shè)計 ........................................................................................................12 地面排水系統(tǒng)設(shè)計 ........................................................................................12 降水效果預(yù)測及處理措施 ............................................................................123 施工方案 ..............................................................................................................13 施工測量方案 ...................................................................................................13 施工測量工作內(nèi)容 ........................................................................................13 施工測量儀器設(shè)備 ........................................................................................13 施工測量人員安排 ........................................................................................13 施工測量簡述 ................................................................................................13 降水施工 ...........................................................................................................14 降水井施工工藝流程 ....................................................................................14 降水施工關(guān)鍵控制點 ....................................................................................14 降水施工質(zhì)量控制標(biāo)準(zhǔn) ................................................................................15 土方開挖方案 ...................................................................................................15 開挖和坡道變換設(shè)計 ....................................................................................15 土方開挖機械配置計算 ................................................................................16 土方開挖渣土消納路線 ................................................................................17 土方施工簡述 ................................................................................................172 / 47 土方施工質(zhì)量控制標(biāo)準(zhǔn) ................................................................................18 土方施工技術(shù)保證措施 ................................................................................18 土釘墻施工方案 ...............................................................................................19 土釘墻施工工藝 ............................................................................................19 土釘墻施工簡述： ........................................................................................19 質(zhì)量標(biāo)準(zhǔn)： ....................................................................................................20 土釘墻施工技術(shù)保證措施 ............................................................................20 掛網(wǎng)噴施工方案 ...............................................................................................22 掛網(wǎng)噴施工工藝 ............................................................................................22 掛網(wǎng)噴施工簡述 ............................................................................................23 掛網(wǎng)噴質(zhì)量標(biāo)準(zhǔn) ............................................................................................23 錨桿施工方案 ...................................................................................................23 錨桿施工順序和施工工藝 ............................................................................23 錨桿施工簡述 ................................................................................................24 錨桿施工質(zhì)量控制標(biāo)準(zhǔn) ................................................................................25 預(yù)應(yīng)力錨桿施工技術(shù)保證措施 ...................................................................25 地基處理工程 ...................................................................................................26 地基處理方案選擇 ........................................................................................26 施工順序及工藝流程 ....................................................................................26 施工簡述 ........................................................................................................28 CFG 樁施工質(zhì)量控制標(biāo)準(zhǔn) ....................................................................