【正文】 京藏高速公路呼和浩特至包頭段改擴(kuò)建工程 呼市東 L 匝道橋鋼箱梁安裝專項(xiàng)方案 1 HBTJ1 合同段項(xiàng)目經(jīng)理部 目 錄 .......................................................................................................................... 3 2 本工程擬采用的標(biāo)準(zhǔn) ....................................................................................................... 4 .................................................................................................................. 5 4 .擬投入本工程的設(shè)備及儀器 ........................................................................................ 5 .................................................................................................................. 6 鋼箱梁制作安裝總體思路 ................................................................................... 6 鋼箱梁施工流程 ................................................................................................... 8 現(xiàn)場平面布置示意圖 ........................................................................................... 9 .................................................................................................... 11 鋼箱梁施工前準(zhǔn)備 ............................................................................................. 11 施工技術(shù)文件準(zhǔn)備 .................................................................................. 11 工藝評定試驗(yàn) .......................................................................................... 11 主要材料采購及驗(yàn)收 .............................................................................. 12 鋼箱梁制作分段 ................................................................................................. 14 鋼箱縱向分段 ................................................................................................. 14 鋼箱橫向分段 ................................................................................................. 15 鋼箱梁板單元制作 ............................................................................................. 15 放樣、下料基本要求 .............................................................................. 15 底板單元制作 .......................................................................................... 18 頂板單元制作 .......................................................................................... 21 腹板單元制作 .......................................................................................... 22 橫隔板單元制作 ...................................................................................... 22 焊接質(zhì)量檢查 .......................................................................................... 24 鋼箱梁板單元涂裝及檢驗(yàn)要求 .............................................................. 25 鋼箱梁板單元存放和運(yùn)輸 ...................................................................... 27 2 ................................................................................................. 27 鋼箱梁安裝支架設(shè)計(jì)及計(jì)算分析 .......................................................... 27 鋼箱梁橋位施工準(zhǔn)備 ............................................................................... 35 鋼箱梁節(jié)段橋位散拼 .............................................................................. 36 鋼箱梁橋位焊接及檢查 .......................................................................... 40 鋼箱梁橋位涂裝 ...................................................................................... 40 支架拆除 .................................................................................................. 40 7 施工進(jìn)度計(jì)劃及工期保證措施 ..................................................................................... 40 施工計(jì)劃 .............................................................................................................. 40 質(zhì)量保證體系及措施 ............................................................................................ 0 技術(shù)管理保證措施 ..................................................................................... 0 資源保證措施 ............................................................................................. 0 材料采購及領(lǐng)用質(zhì)量控制 ......................................................................... 1 施工工序質(zhì)量控制 ..................................................................................... 1 8 施工安全保證措施 ........................................................................................................... 1 吊裝安全措施 ....................................................................................................... 1 道路行車安全及交通疏導(dǎo) ................................................................................... 2 施工現(xiàn)場臨時(shí)用電安全措施 ...............................................................................