ACCERLERATION SCALE FACTOR IN RESPONCE SPECTRUM ANALYSIS

N. SUBRAMANIAM BOOK OF RCC DESIGN GAVE THIS SYNTEX

*SCALE FACTOR = (0.16/2) × (1.5 / 5) = 0.024
SPECTRUM CQC 1893 X 2.078 ACC SCALE 0.024 DAMP 0.05 MIS
SOIL TYPE 2

IN THIS CASE ACC SCALE VALUE IS CALCULATED USING Z/2*I/R BUT IN STAAD HELP CONTENT VALUE OF SCALE FACTOR IS DEFINED AS "Linear scale factor by which the spectra data will be multiplied. Usually used to factor g’s to length/sec2 units. This input is the appropriate value of acceleration due to gravity in the current unit system (thus, 9.81 m/s2 or 32.2 ft/s2)". 

WHICH ONE IS CORRECT? 

Parents Reply Children
No Data