【摘要】 通过对在役钢吊车梁的疲劳损伤的调查研究及试验结果分析，提出了一种新的破损钢吊车梁修复与加固方案，并对加固方法在实际工程中的应用提出了一定的建议更多还原

【Abstract】 By investigating and researching into the fatigue damage on the service steel crane girder,and based on the analysis of result of the experiment,a new repairing and strengthening of damaged steel crane girder is presented.And some suggestions on the application in actual engineering have been put forward.更多还原