Seismic Design: A1 to B1
ASCE 7 seismic design parameters — response modification coefficients (R), overstrength factors, deflection amplification factors for seismic force-resisting systems
| system id | Cd (dimensionless) | R (dimensionless) | category | description | height limit B ft | height limit C ft | height limit D ft | height limit E ft | height limit F ft | omega 0 (dimensionless) | source standard | source table |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A1 | 5 | 5 | bearing_wall | Special reinforced concrete shear walls | NL | NL | 160 | 100 | 100 | 2.5 | ASCE 7-22 | Table 12.2-1 |
| A2 | 4 | 4 | bearing_wall | Ordinary reinforced concrete shear walls | NL | NL | NP | NP | NP | 2.5 | ASCE 7-22 | Table 12.2-1 |
| A3 | 2 | 2 | bearing_wall | Detailed plain concrete shear walls | NL | NP | NP | NP | NP | 2.5 | ASCE 7-22 | Table 12.2-1 |
| A4 | 1.5 | 1.5 | bearing_wall | Ordinary plain concrete shear walls | NL | NP | NP | NP | NP | 2.5 | ASCE 7-22 | Table 12.2-1 |
| B1 | 4 | 8 | building_frame | Steel eccentrically braced frames | NL | NL | 160 | 100 | 100 | 2 | ASCE 7-22 | Table 12.2-1 |
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