文章针对淳安县左口至光昌公路叶琪二桥先简支后连续的组合箱梁设计、施工中经常出现的质量通病,并提出了防治措施及建议。 In this paper, aiming at the design and construction of composite box girder with simple support and simple support after the first bridge from Chunkou County to Guangchang Highway from left to right, common quality defects are often found in the construction and preventive measures and suggestions are put forward.