大圆大桥桥面掉落物事故处理措施分析和探讨

以沪昆高速公路大圆大桥桥面掉落物事故为工程背景，对施救吊装方案进行反复比较、分析、优化和论证，选用安全、可靠和实用的吊装方案，并在吊装完毕后进行荷载试验检测和维修加固方案分析和研究。该事故应急处理方法和施救吊装方案可为高速公路桥梁养护和类似事故处理提供借鉴。

Analysis and Discussion of Treatment Measures for Accidents of Falling Items from Dayuan Bridge Deck

With the accidents of falling items from Dayuan Bridge deck on Shanghai- Kunming Expressway as project background, this paper repetitively compares, analyzes, optimizes and demonstrates rescue lifting schemes in order to select safe, reliable and practical lifting schemes, and carries out load test as well as analysis and study of maintenance and reinforcement plans after completion of lifting. The emergency processing methods and rescue lifting schemes for such accidents can provide a reference for maintenance of expressway bridges and treatment of similar accidents.