Thanks for all inputs. they did give a lot of useful information. I know some consulting engineering company is also hired to do field investigation, no result come out yet though.
I agree with what weab and TXStructural said. I still think the "V" in ASCE7 formulas can not simply put an equal...
A very interesting and strang case here:
a steel silo was damaged in a storm, according to the manufacturer, the silo was designed to resist 120mph wind and a 3rd party engineer checked the design calculation based on ASCE7-05 and comfirmed it. However, the insurance company hired CompuWeather...
