We have a job that specifies ASTM A572 grade 50 (Actually AASHTO M270 Grade 50). We need plate that is only 1/8" thick. It's for a shim underneath the sole plate on a steel bridge girder. We can't seem to find a supplier that provides 572 in that thickness. Is 1011 CS a suitable substitute or is...
I am jacking a bridge to replace some bearings. I'm erecting temporary columns on each side of the pier column and placing jacks at the tops to lift the structure under full dead and live load.
At the bottom of the columns I am bearing on the old pier footing. My temporary columns are made up of...