Taking Shanghai Medium Ring Road Project as the project background, the paper discusses the forced characteristics of arc bottom and single box, multi cell box beam with greater width span ratio under transverse prestressed action.

• 以上海市中环线工程为工程背景 ,讨论了宽跨比较大的弧形底单箱多室箱梁在横向预应力作用下的受力特性。