Ron / Bridgebuster
Thanks for your comments.
The original plans for the bridge called for 30Mpa concrete or similar, so we are not sure why / how the strength ever got to 55Mpa either.
The box girders are not continuous below the deck, there are two sets of three box girders, a small space...
We set up a contract for a bridge rehabilitation that required the complete removal of the concrete deck from a precast box beam support system.
The concrete had some surface damage, but the core matrix was sound, but contaminated with chlorides.
A contractor was selected and after they...
