Thank you all for your replies. Camber is up. It was measured with a fishing line and a piece of measuring tape on the middle point. The girder was on the floor laying over supports on the ends, where carriages will be.
As LittleWheels asked about what fabrication tolerances standard we were...
Hi guys,
I have a problem and would like to know your opinion or experiences. We are constructing a single box girder bridge cranes of about 18m span.
According to CMAA, camber should be "equal" (they use that word) to a calculation that, for our case is 16mm.
After measuring, we found that...