【正文】 ........................................... 7 試架 ....................................................................................................................................................................... 7 吊裝過程的模擬 .............................................................................................................................................7 指揮系統(tǒng)及施工配合系統(tǒng)的模擬與演練 ..................................................................................................8 試架系統(tǒng)的演練 .............................................................................................................................................8 .............................................................................................................................................................. 8 ......................................................................................................................................................... 8 .............................................................................................................................................................. 9 鋼絲繩選擇 ......................................................................................................................................................9 吊裝孔位置 ....................................................................................................................................................10 ..................................................................................................................................................................... 10 ....................................................................................................................................................... 11 ..................................................................................................................................................................... 11 ..................................................................................................................................................................... 11 箱梁架設(shè) .............................................................................................................................................................. 12 箱梁架設(shè)工藝流程圖 ...................................................................................................................................12 機(jī)械工況性能表 ...........................................................................................................................................12 測(cè)量放線 ........................................................................................................................................................13 永久性支座安裝 ...........................................................................................................................................13 商合杭鐵路 ***長江公鐵大橋工程公路接線跨越寧蕪、 ***橋箱梁架設(shè)專項(xiàng)方案 ******工程指揮部 2 臨時(shí)支座制作及安裝 ...................................................................................................................................14 K4跨箱梁架設(shè) ..............................................................................................................................................15 K1K3 箱梁架設(shè) ............................................................................................................................................16 K5箱梁架設(shè) ...................................................................................................................................................16 吊車架梁施工 ...............................................................................................................................................16 吊裝注意事項(xiàng)及質(zhì)量檢驗(yàn)標(biāo)準(zhǔn) ...................................................................................................................... 18 箱梁臨時(shí)加固措施 ............................................................................................................................................ 19 履帶吊操作規(guī)程 ................................................................................................................................................ 19 7 吊裝鋼絲繩規(guī)范要求 ................................................................................................................................................. 21 ..................................................................................................................................................................... 21 日常觀察 ........................................................................................................................................................21 繩端部位 (索具除外 )...................................................................................................................................21 ....................................................................................................................................................... 22 繩端斷絲 ........................................................................................................................................................22 斷絲的局部聚集 ...........................................................................................................................................22 繩股斷裂 ........................................................................................................................................................22 由于繩芯損壞而引起的繩徑減小 .............................................................................................................22 外部磨損 ........................................................................................................................................................22 彈性減小 ..................................................................