There area many different ways of considering the earthquake effect on an underground structure. The most common one is the Monobe-ocabe method. but there are more accurate methods like displacement method : in this method, a displacement is applied to the underground structure, this...
I would like to know of there's any way to import and old V5.31 Etabs model to a V8 ?
I have tried writing and E2K file manually using the V5.31 input file but it take so much time ... :(
