【正文】 鹽城國際軟件園和服務(wù)外包基地二期 工程 9樓 基坑圍護(hù)與土方開挖工程 專 項(xiàng) 施 工 方 案 編制單位： 編制日期： 目 錄 第一章 編制依據(jù)及原則 .......................................................................................................................................... 1 編制說明 ............................................................................................................................................................ 1 編制依據(jù) ............................................................................................................................................................ 1 編制原則 ............................................................................................................................................................ 2 第二章 工程概述 ...................................................................................................................................................... 2 一般概況 ............................................................................................................................................................ 2 工程概況 ............................................................................................................................................................ 2 工程地質(zhì)、水文地質(zhì)概況 ............................................................................................................................... 3 基坑圍護(hù)結(jié)構(gòu)概述 ............................................................................................................................................ 6 本基坑特點(diǎn)、難點(diǎn)分析及主要對策 .............................................................................................................. 6 第三章 總體施工部署 ............................................................................................................................................ 8 項(xiàng)目管理目標(biāo) ................................................................................................................................................... 8 現(xiàn)場組織機(jī)構(gòu)設(shè)置及管理 ............................................................................................................................... 8 施工總順序 ...................................................................................................................................................... 11 施工階段的劃分 .............................................................................................................................................. 11 施工總體流程 ..................................................................................................................................................13 第四章 施工計(jì)劃計(jì)劃及保證措施 .....................................................................................................................14 施工進(jìn)度計(jì)劃 ..................................................................................................................................................14 進(jìn)度計(jì)劃保證措施 ..........................................................................................................................................14 第五章 施工準(zhǔn)備與主要資源配置計(jì)劃 ............................................................................................................15 施工準(zhǔn)備 ..........................................................................................................................................................15 主要資源配置計(jì)劃 ..........................................................................................................................................16 第六章 施工現(xiàn)場平面布置 .................................................................................................................................18 施工現(xiàn)場平面布置原則 .................................................................................................................................18 現(xiàn)場實(shí)際布置 ..................................................................................................................................................19 施工用水、電的布置 .....................................................................................................................................20 第七章、主要分項(xiàng)工程施工方法 ...........................................................................................................................21 施工測量方法 ..................................................................................................................................................21 砼矩形護(hù)樁的施工工藝 .................................................................................................................................22 二軸攪拌樁的施工工藝 .................................................................................................................................27 管井的施工工藝 ..............................................................................................................................................31 攪拌樁頂插毛竹施工工藝 .............................................................................................................................41 樁頂圈梁施工工藝 ..........................................................................................................................................41 土方開挖 ..........................................................................................................................................................42 第 八章 地下管線 、工程樁、管井、圍護(hù)結(jié)構(gòu)保護(hù)措施 .............................................................................49 地下管線的情況 ..............................................................................................................................................49 工程樁保護(hù)措施 ..............................................................................................................................................49 圍護(hù)樁、 管井保護(hù)措施 .................................................................................................................................49 基坑底板的保護(hù) ...