鋼結構焊接施工工藝

1、1目錄1.1.前言前言............................................................................................22.2.焊接工藝流程焊接工藝流程............................................................................33.3.焊接施工焊接施工工藝及技術措施藝及技術

2、措施........................................................43.1焊前準備.......................................43.2焊接材料的選擇.................................43.3焊接預熱.......................................53.4焊接環(huán)境................

3、.......................53.5焊接工藝措施...................................63.6厚板焊接工藝要點.............................103.7焊接應力控制..................................133.8焊接質量檢查..................................134.4.焊接質量控制措施焊接質量控制措

4、施..................................................................15155.5.鋼結構焊接注意事項鋼結構焊接注意事項..............................................................18185.1防風措施......................................185.2防雨措施.......

5、...............................1833.3.焊接施工工藝及技術措施焊接施工工藝及技術措施3.1焊前準備焊接區(qū)操作腳手平臺搭設良好，平臺高度及寬度應有利于焊工操作舒適、方便，并應有防風措施。由于CO2氣體保護焊焊槍線較短，考慮將焊機及送絲機置于操作平臺上。操作平臺是針對節(jié)點焊接而專門設計，具體詳見安全設施一節(jié)。焊工配置一些必要的工具，比如：鑿子、焊工專用榔頭、刷子以及砂輪機等。焊把線應絕緣良好，如有破損處要