以上海辰塔大桥引桥工程为背景,从箱梁安装顺序、主要施工设备及箱梁安装时的地基处理,再到吊点设置及吊索具配备、临时支座施工、永久支座施工、预制梁吊装、箱梁就位、小箱梁的接缝与横隔梁施工等方面,介绍了先简支后连续小箱梁的施工技术,以期为采用先简支后连续小箱梁结构形式的类似桥梁工程施工提供借鉴。 Taking the approach of the erection bridge project of Shanghai Chenta Bridge as the background, from the sequence of box girder installation, foundation construction of main construction equipment and box girder installation, suspension point setting and sling equipment provision, temporary bearing construction, permanent bearing construction, prefabrication Beam lifting, box girder in place, the connection of small box girder and the construction of the diaphragm, introduces the construction technology of the box girder with simple support and the continuous box girder. Similar bridge construction to provide reference.