【正文】 ..5 材料管理 ..............................................................................................................................................................8 第四章 技術(shù)準(zhǔn)備 .................................................................................................................... 9 圖紙轉(zhuǎn)化 ..............................................................................................................................................................9 工藝評(píng)定試驗(yàn) .................................................................................................................................................. 10 擬投入本項(xiàng)目的主要生產(chǎn)設(shè)備、檢驗(yàn)設(shè)備表 ............................................................................................ 13 第五章 材料矯平、放樣及下料 .......................................................................................... 16 鋼板矯平 ........................................................................................................................................................... 16 放樣 ................................................................................................................................................................... 16 下料 ................................................................................................................................................................... 17 第六章 零部件加工及矯正 .................................................................................................. 20 坡口加工 ........................................................................................................................................................... 20 邊緣加工 ........................................................................................................................................................... 20 機(jī)加工 ............................................................................................................................................................... 21 零部件矯正 ....................................................................................................................................................... 21 第七章 門式墩鋼箱梁制作工藝 .......................................................................................... 22 工藝概述 ........................................................................................................................................................... 22 鋼箱梁?jiǎn)卧胺侄蝿澐?.............................................................................................................................. 23 單元件制作要求 .............................................................................................................................................. 24 單元件制作流程 .............................................................................................................................................. 26 鋼梁、鋼柱制造 .............................................................................................................................................. 27 預(yù)拼裝 ............................................................................................................................................................... 28 鋼梁、鋼柱制造精度要求 .............................................................................................................................. 29 第八章焊接工藝 ...................................................................................................................... 35 合福 聯(lián)絡(luò)線跨既有滬昆線門式墩鋼箱梁施工專項(xiàng)方案 II 焊材復(fù)驗(yàn) ........................................................................................................................................................... 35 焊材管理 ........................................................................................................................................................... 36 焊接工藝 ........................................................................................................................................................... 36 擬定的焊接方法 .............................................................................................................................................. 36 擬定選用焊材 .................................................................................................................................................. 37 焊接工藝評(píng)定試驗(yàn) .......................................................................................................................................... 38 焊接施工要求 .................................................................................................................................................. 39 焊接質(zhì)量保證措施 .......................................................................................................................................... 41 焊縫檢測(cè) ........................................................................................................................................................... 43 焊接接頭破壞性試驗(yàn) .................................................................................................................................... 45 焊縫缺陷修補(bǔ) ................................................................................................................................................ 46 降低焊接殘余應(yīng)力措施 ................................................................................................................................ 47 第九章 焊釘施工 .................................................................................................................. 48 焊釘檢驗(yàn) ........................................................................................................................................................... 48 施工工藝要求 .................................................................................................................................................. 48 焊接工藝試驗(yàn)及質(zhì)量檢驗(yàn) .................................................................