At 03:42 pm 24/08/2005 -0400, you wrote: >> From: Grimer > >> ================================================== >> GRIMER, F.J. and R.E.HEWITT. The form of the >> stress-strain curve of concrete interpreted >> with a di-phase concept of material behaviour. > > My Civil Engineer coworker said that the formulas for > post stress concrete changed around this time. > Did you have something to do with that?
Who knows. Perhaps my later warnings about the AGRs put the wind up someone somewhere and they thought they had better screw the safety factors up a notch or two. I would be the last person they would tell as you will understand if you real the Files section on the Beta-atmosphere Yahoo site. FG

