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白龍江4大橋系桿拱施工安全技術(shù)方案(最終)-wenkub

2023-07-11 14:38:31 本頁面
 

【正文】 .......................................................................................................... 1 ...................................................................................................................................................................... 1 ....................................................................................................................................... 2 第二章 安全目標(biāo)及方針 ............................................................................................................................................... 2 ............................................................................................................................................................. 2 ...................................................................................................................................................................... 2 第三章 主要項目施工方案 .......................................................................................................................................... 3 ...................................................................................................................................................................... 3 ...................................................................................................................................................................... 5 .................................................................................................................................................................. 5 第四章 交通組織方案 ................................................................................................................................................... 5 G212行車的影響 ....................................................................................................................... 5 ................................................................................................................................... 5 ................................................................................................................. 6 ......................................................................................................................................................... 9 第五章 安全保證措施 ................................................................................................................................................. 11 ..................................................................................................................................... 11 .................................................................................................................................................. 14 保證交通暢通措施 .................................................................................................................................................. 22 .......................................................................................................................................... 24 ................................................................................................................................. 25 .......................................................................................................................................... 25 ....................................................................................................................................................... 26 .................................................................................................................................................. 27 .............................................................................................................................................. 33 .................................................................................................................................................................. 36 .................................................................................................................................................................. 38 ....................................................................................................................................... 39 ................................................................................................................................................ 40 ......................................................................................................................................................... 41 臨時工程的使用與恢復(fù) ....................................................................................................................................... 41 第六章 應(yīng)急措施 ..........................................................................................................................................................42 ...........................................................................................................................................................42 蘭渝鐵路 LYS5 標(biāo) 第 2 頁 6. 2事故報告和現(xiàn)場保護(hù) ............................................................................................................................................45 蘭渝鐵路 LYS5 標(biāo) 第 1 頁 白龍江 4特大橋 156m 鋼管混凝土 系桿拱橋 施工安全技術(shù)方案 第一章 工程概況 白龍江 4特大橋 起 訖里程為 DIK356+~ DIK357+,位于白龍 江左岸一級階地上,孔跨布置形式為 雙線 2132m+156m,全長 , 線間距~ , 橋臺 設(shè)計為 T 型 橋臺,橋墩 為 圓端形橋墩,基礎(chǔ)采用鉆孔樁基礎(chǔ)。白龍江 4特大橋地處白龍江左岸一級階地,據(jù)水質(zhì)分析,白龍江水對圬工不具侵蝕性。 系桿拱跨越 G212 國道處位于隴南市武都區(qū)城關(guān)鎮(zhèn)下黃家壩村 G212 國道G444+747~ G445+027段 。 滿堂支架搭設(shè)工藝:清理場地 彈線定位設(shè)置 立桿混凝土墊塊 豎立桿 安裝縱向水平桿 安裝橫向水平桿 安裝剪刀撐 扎安全網(wǎng) 作業(yè)層鋪腳手架板。 主線所跨既有道路交通 概況 G212 是隴南 市武都區(qū) 交通要道 , 車流量 龐 大, 6:00~ 19:00 車流量較為集中 ,新建蘭渝鐵路 白龍江 4大橋 系桿拱 跨越處 行 車速 度 一般為 50km
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