Analyses of local cracking in web plates and chord plates of H-beams during butting show incorrect assembly and welding sequences were the main factors leading to cracks in welding lines,which can be used as a technical instruction for correct assembly and welding of H-beams in construction.
通过H型钢在对接时腹板及翼缘板局部产生裂纹进行分析,由于不正确的组装和焊接顺序是导致焊缝裂纹产生的主要因素。