I am designing a spread footing retaining wall to replace a pile supported retaining wall. The wall is adjacent to the abutment wall of road underpass for a railroad bridge. The road is being realigned so they are removing the pile supported wall and putting a spread footing one in the same...
Yes, joint movement is a big concern, but I don't know of any way to mitigate joint movement that would not potentially damage the existing bridge. I too am leaning toward no keyway or dowels, and filling in the keyway on the existing bridge. Thanks for your comments.
I am working on the design of a concrete joint between an existing bridge abutment and a new retaining wall. The existing bridge (built in 1964) carries a railroad over a roadway underpass and has a wingwall that extends to become a retaining wall approximately 275 feet long. The roadway is...