Design of Demolishing Scheme for a 3-Span Continuous Box Girder Bridge

For the demolishing construction of a 3-span continuous box girder bridge with span arrangement(18+26.4+18) m,a demolishing scheme was proposed and designed,i.e.,the main girder of the bridge was stabilized by the bailey truss and suspenders,the girder was cut into 3 sections by the diamond steel wire cutting method,the section of the girder over the central span was lifted away by the overhead la…