• seismic analysis dynamic and static difference

    Kindly do clarify my following doubt 1. I have attached three model a.static analysis model b. Dynamic analysis using reference load method c. Dynamic analysis without the use of reference load method a. Static method STAAD SPACE START JOB INFORMATION…
  • RE: seismic analysis dynamic and static difference

    By default STAAD.Pro would give you 6 modes which would not be enough to get the minimum required 90% mass participation. So use a CUT OFF MODE SHAPE 50 command which would get you to close around 96 to 97% mass participation for the dynamic cases. …
  • RE: Ely and Elz parameter

    Effective lengths of 1.2 are only to be considered if the columns are subjected to sway and there are relative displacement between the ends. In that case ELY and ELZ may be specified as 1.2. The ULY and ULZ on the other hand are used to compute the unsupported…