【正文】 中鐵二十四局阜六鐵路Ⅱ標(biāo) 跨阜六高速公路特大橋連續(xù)梁施工方案 1 目 錄 1 、 施工組織設(shè)計(jì)編制依據(jù) ......................................................................................................................................4 2 、 工程概況 ...............................................................................................................................................................4 工程簡(jiǎn)介 ..............................................................................................................................................................5 、主要結(jié)構(gòu)形式 ： .....................................................................................................................................5 、建筑材料 ..................................................................................................................................................6 工程數(shù)量 .............................................................................................................................................................6 3 、施工方法及工藝 ....................................................................................................................................................8 基礎(chǔ)處理 .............................................................................................................................................................9 地基承載力計(jì)算 ........................................................................................................................................9 地基處理方 法 ............................................................................................................................................9 現(xiàn)澆支架結(jié)構(gòu) .....................................................................................................................................................9 鋼管立柱 ...................................................................................................................................................11 、分配梁 ....................................................................................................................................................11 支架搭設(shè) ...........................................................................................................................................................11 支架堆載預(yù)壓 .................................................................................................................................................. 12 支架預(yù)壓目的 .......................................................................................................................................... 12 支架預(yù)壓方法 .......................................................................................................................................... 12 沉降變形觀測(cè)點(diǎn)的布置 ......................................................................................................................... 13 安裝支座 .......................................................................................................................................................... 14 3． 臨時(shí)支座設(shè)置 ........................................................................................................................................ 14 3． 永久支座安裝 ........................................................................................................................................ 14 鋪設(shè)底模 .......................................................................................................................................................... 15 外側(cè)模安裝 ...................................................................................................................................................... 15 梁體內(nèi)模 .......................................................................................................................................................... 15 梁體鋼筋 .......................................................................................................................................................... 16 一般鋼筋加工安裝 ................................................................................................................................. 16 接地鋼筋 .................................................................................................................................................. 17 預(yù)埋件埋設(shè) .............................................................................................................................................. 17 預(yù)應(yīng)力管道埋設(shè) ...................................................................................................................................... 17 梁體混凝土 .................................................................................................................................................... 18 混凝土拌制、運(yùn)輸及澆筑 .................................................................................................................. 19 混凝土振搗 ........................................................................................................................................... 19 混凝土拆模、養(yǎng)護(hù) ....................................................................................................................................... 20 ............................................................................................................................................ 20 ............................................................................................................................................ 20 預(yù)應(yīng)力施工 ............................................................................................................................................................ 21 鋼絞線下料及穿束 ......................................................................................................................................... 21 鋼絞線制作 ............................