RE: 1. please explain the input specifications for seismic analysis of a R.C.c.frame using SRSS method and or CQC method 2. up to what ratio of column length to width the STAAD pro will give design results? Say the ratio is 4 OR 5 or more

TOR command instructs the program to consider the torsional provision of IS:1893 following clause-7.9.  The direction factor should follow after TOR X or TOR Z command which is the value of (Z/2)*(I/R)