【正文】 ..................................................................................................................................... 1 國家規(guī)范 ............................................................................................................................ 1 行業(yè)標(biāo)準(zhǔn) ............................................................................................................................ 1 主要法律、法規(guī) ................................................................................................................. 1 ........................................................................................................... 2 2 工程概況 ..................................................................................................................................... 2 ............................................................................................................................. 2 .................................................................................................................. 2 、水文地質(zhì)條件 ............................................................................................. 3 ............................................................................................................................. 4 ............................................................................................................... 4 3 基坑支護設(shè)計方案 ........................................................................................................................ 6 ...................................................................................................................... 6 ...................................................................................................................... 9 .................................................................................................. 13 4 施工組織方案 ............................................................................................................................. 16 編制原則 .......................................................................................................................... 16 .................................................................................................................... 16 ........................................................................................... 17 ........................................................................................................................... 18 ............................................................................................................. 18 ........................................................................................ 21 ............................................................................................................. 26 .................................................................................................. 29 ...................................................................................................... 30 .................................................................................................................. 33 ............................................................................................. 34 5 雨季施工措施 ............................................................................................................................. 34 雨前防范措施 ................................................................................................................... 35 雨季中的技術(shù)防護措施 ..................................................................................................... 35 ii 6 基坑監(jiān)測方案 ............................................................................................................................. 36 監(jiān)測目的 .......................................................................................................................... 36 .................................................................................................................... 36 基坑監(jiān)測頻率 ................................................................................................................... 36 基坑及支護結(jié)構(gòu)監(jiān)測報警值 .............................................................................................. 37 ......................................................................................................... 37 ........................................................................................................................... 37 7 緊急預(yù)案 .................................................................................................................................... 37 目的 ................................................................................................................................. 37 方針和原則 ...................................................................................................................... 38 ............................................................................................................. 38 .................................................................................................. 40 ........................................................................................ 42 〖門頭溝 區(qū)石龍工業(yè)區(qū) 18 號公建項目 〗 【 基坑支護 工程 施工方案】 第 1 頁 1 編制依據(jù) 國家 規(guī)范 （ 1）《建筑邊坡工程技術(shù)規(guī)范》（ GB503302021）； （ 2）《錨桿噴射混凝土支護技術(shù)規(guī)范》（ GB500862021）； （ 3）《工程測量規(guī)范》（ GB500262021）； （ 4）《建筑地基礎(chǔ)工程施工質(zhì)量驗 收規(guī)范》（ GB502022021）； （ 5）《混凝土結(jié)構(gòu)工程施工質(zhì)量驗收規(guī)范》（ GB502042021）； （ 6）《建筑工程施工質(zhì)量驗收統(tǒng)一標(biāo)準(zhǔn)》（ GB503002021）； （ 7）《 建設(shè)工程項目管理規(guī)范 》（ GB/T503262021）； （ 8） 《 建筑基坑工程監(jiān)測技術(shù)規(guī)程 》（ GB504972021） ； （ 9）《建設(shè)工程文件歸檔整理規(guī)范》（ GB/T503282021）。 行業(yè) 標(biāo)準(zhǔn) （ 1）《建筑變形測量規(guī)程》（ JGJ82021）； （ 2）《建筑基坑支護技術(shù)規(guī)程》（ JGJ12099）； （ 3）《建筑機械使用安全技術(shù)規(guī)程》（ JGJ332021）； （ 4）《施工現(xiàn)場臨時用電安全技術(shù)規(guī)范》（ JGJ462021）； （ 5）《建筑施工安全檢查標(biāo)準(zhǔn)》（ JGJ592021）； （ 6） 《 建筑施工現(xiàn)場環(huán)