Seismic Design: B2 to B6
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| B2 | 5 | 6 | building_frame | Steel special concentrically braced frames | NL | NL | 160 | 100 | 100 | 2 | ASCE 7-22 | Table 12.2-1 |
| B3 | 3.25 | 3.25 | building_frame | Steel ordinary concentrically braced frames | NL | NL | 35 | 35 | NP | 2 | ASCE 7-22 | Table 12.2-1 |
| B4 | 5 | 6 | building_frame | Special reinforced concrete shear walls | NL | NL | 160 | 100 | 100 | 2.5 | ASCE 7-22 | Table 12.2-1 |
| B5 | 4.5 | 5 | building_frame | Ordinary reinforced concrete shear walls | NL | NL | NP | NP | NP | 2.5 | ASCE 7-22 | Table 12.2-1 |
| B6 | 2 | 2 | building_frame | Detailed plain concrete shear walls | NL | NP | NP | NP | NP | 2.5 | ASCE 7-22 | Table 12.2-1 |
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