Im doing a spectrum analysis on a structure that is highly irregular so it is very difficult to get the 90% mass participation that the code requires. I was going to use the missing mass correction command to boost the mass participation. Does anyone know what exactly this function does? I tried reading the help section in STAAD but it doesn't really say much. I'm not comfortable just applying factors without knowing what they are actually doing. Any input would be appreciated. Thanks
Red Flag Submitted
Thank you for helping keep Eng-Tips Forums free from inappropriate posts. The Eng-Tips staff will check this out and take appropriate action.
Reply To This Thread
Posting in the Eng-Tips forums is a member-only feature.