【正文】 .................... 8 、難點(diǎn) .............................................................................................................................................. 10 5施工準(zhǔn)備 .................................................................................................................................................................. 10 ........................................................................................................................................................... 10 ........................................................................................................................................................... 11 ......................................................................................................................................... 11 ............................................................................................................................................. 11 ......................................................................................................................................... 11 ........................................................................................................................................................... 12 ........................................................................................................................................................... 12 ........................................................................................................................................................... 12 ........................................................................................................................................................... 12 6交通組織方案 .......................................................................................................................................................... 14 現(xiàn)有路網(wǎng) 情況 .................................................................................................................................................. 14 交通組織安排 .................................................................................................................................................. 17 中鐵四局集團(tuán)滬寧城際 鐵路站前 I 標(biāo) 紅山路中橋施工組織設(shè)計(jì) II 交通組織 ................................................................................................................................................ 17 各施工階段交通封閉范圍及 時(shí)間 ....................................................................................................... 17 ......................................................................................................................................... 20 ................................................................................................................................................. 21 7主要施工技術(shù)方案 .................................................................................................................................................. 21 ............................................................................................................................................................... 21 ................................................................................................................................................. 22 ................................................................................................................................................. 22 泥漿制備 ................................................................................................................................................ 23 鉆孔 ......................................................................................................................................................... 23 .......................................................................................................................................................... 25 ..................................................................................................................................... 26 ..................................................................................................................................... 27 ......................................................................................................................................... 28 ........................................................................................................................................................... 29 準(zhǔn)備工作 ................................................................................................................................................ 29 基坑開挖 ................................................................................................................................................ 30 樁頭截除、修整 .................................................................................................................................... 31 墊層施工 ................................................................................................................................................ 31 承臺(tái)鋼筋 ................................................................................................................................................ 31 .......................................................................................................................................................... 32 ..................................................................................................................................................... 32 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