【正文】 ...................................... 2 一、工程簡介 ....................................................................................................................................... 2 二、地質(zhì)及 水文條件 ........................................................................................................................ 2 三、氣象條件 ....................................................................................................................................... 3 四、主要工程內(nèi)容及數(shù)量 .............................................................................................................. 3 第三章 施工總體布置 .................................................................................................. 5 一、施工準(zhǔn)備 ....................................................................................................................................... 5 二、施工組織管理機(jī)構(gòu)設(shè)置 ......................................................................................................... 6 第四章 施工總體方案 .................................................................................................. 8 一、總體方案 ....................................................................................................................................... 8 二、施工順序 ....................................................................................................................................... 8 第五章 主要施工方法 ................................................................................................ 10 一、支架搭設(shè)與預(yù)壓 ......................................................................................................................10 二、支座安裝 .....................................................................................................................................12 三、模板安裝 .....................................................................................................................................13 四、鋼筋綁扎 .....................................................................................................................................14 五、預(yù)應(yīng)力筋管道的設(shè)置 ............................................................................................................14 六、頂板預(yù)留施工窗口 .................................................................................................................15 七、混凝土灌筑與養(yǎng)護(hù) .................................................................................................................16 八、預(yù)應(yīng)力張拉及壓漿 .................................................................................................................19 九、臨時(shí)支座拆除 ...........................................................................................................................27 十、合龍段鎖定 ................................................................................................................................27 十一、落架脫模順序 ......................................................................................................................27 第六章 工期計(jì)劃 ........................................................................................................ 30 第七章 勞動力計(jì)劃 .................................................................................................... 31 第八章 機(jī)械、設(shè)備計(jì)劃 ............................................................................................ 32 第九章 質(zhì)量保證措施 ................................................................................................ 33 一、保證箱梁高標(biāo)號砼的質(zhì)量、箱梁防裂的措施 ..........................................................33 二、預(yù)應(yīng)力混凝土施工質(zhì)量控制措施 ...................................................................................35 滬寧城際鐵路站前Ⅶ標(biāo)段 3 工區(qū) 于塘路 連續(xù)梁支架法施工方案 滬寧 城際鐵路站前Ⅶ標(biāo)段 3 工區(qū) 三、設(shè)置預(yù)拱度保證主橋箱梁線形和幾何尺寸的措施 ................................................36 第十章 安全專項(xiàng)方案 ................................................................................................ 37 一、施工用電安全防范措施 .......................................................................................................37 二、跨公路的安全防范 措施 .......................................................................................................39 三、高空作業(yè)安全防范措施 .......................................................................................................42 四、安全應(yīng)急預(yù)案 ...........................................................................................................................43 第十一章 環(huán)保、水保、文明施工措施 .................................................................... 50 一、 施工環(huán)保、水土保持目標(biāo) ................................................................................................50 二、 施工環(huán)保、水土保持管理體系 ......................................................................................50 三、 施工環(huán)保、水土保持措施 ................................................................................................50 第十二章 施工臨時(shí)結(jié)構(gòu)設(shè)計(jì)和計(jì)算 ........................................................................ 52 一、支架設(shè)計(jì) .....................................................................................................................................52 二、竹膠板計(jì)算 ................................................................................................................................52 三、支架計(jì)算 .....................................................................................................................................53 四、鋼結(jié)構(gòu)驗(yàn)算 ................................................................................................................................54 五、地基承載 .....................................................................................................................................62 六、臨時(shí)固結(jié)鋼筋計(jì)算 .................................................................................................................63 附圖 ............................................................................................................................