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

1 Please explain the input specifications for seismic analysis of R.c.C. frame using SRSS method and or CQC method.

2.  Up to what ratio of column length to width the staad will give the design results? Say the ratio is 4 or 5 or more?