I am doing a load rating analysis on Concrete channel bridge made in the 70's. I have not ratede one of these before and the rating method I am using has a variable that I am not familiar with. I was wondering if anyone else knew what it was.
The equation for the resisting moment in the...
I am designing a steel truss pedestrian bridge and I have run across a problem.
My company uses the AASHTO first harmonic criteria of 3.0 hertz or an alternate weight criteria of W>180e(-0.35f). The customer wants me to explain why the alternate weight criteria can be used, but I do not know...