| Tip |
|---|
|
...
ARSA method is an incremental spectrum analysis method. Therefore, ARSA can be defined as an analysis method based on the incremental application of standard linear spectrum analysis, in other words the nonlinear equivalent of linear spectrum analysis. Therefore, "Modal Calculation Parameters" used for Design Based on Strength (DGT), which is explained in TBDY Part Annex 4B.1 section, will be used to determine the dynamic characteristics of the building. Structure dynamic characteristics are calculated for each step. In this way, as the stiffness matrix of the structure will change in every plastic joint formation, its dynamic characteristics also change in accordance with each step. Therefore, in the ARSA method, linear Mode Coupling Analysis is performed in each (i) step .
...
Consequently, the structure characteristics are yn (i) and Φ yn for earthquake direction Γ xn (i) and Φ xn (i) and (Y) for earthquake direction (X) in the i'th step of the thrust analysis for each n'th mode. (i) It is found by performing modal analysis.
...