| Basic Structural System |
Lateral-Force-Resisting System Description |
R |
| 1. Bearing wall system |
| 1. Light-framed walls with shear panels |
| | a. Wood structural panel walls for structures three storeys or less |
| | b. All other light-framed walls |
| 2. Shear walls |
| | a. Concrete |
| | b. Masonry |
| 3. Light steel-framed bearing walls with tension-only bracing |
| 4. Braced frames where bracing carries gravity load |
| | a. Steel |
| | b. Concrete |
| | c. Heavy timber |
|
| |
| 5.5 |
| 4.5 |
| |
| 4.5 |
| 4.5 |
| 2.8 |
| |
| 4.4 |
| 2.8 |
| 2.8 |
|
| 2. Building frame system |
| 1. Steel eccentrically braced frame (EBF) |
| 2. Light-framed walls with shear panels |
| | a. Wood structural panel walls for structures three storeys or less |
| | b. All other light-framed walls |
| 3. Shear walls |
| | a. Concrete |
| | b. Masonry |
| 4. Ordinary braced frames |
| | a. Steel |
| | b. Concrete |
| | c. Heavy timber |
| 5. Special concentrically braced frames |
| | a. Steel |
|
| 7.0 |
| |
| 6.5 |
| 5.0 |
| |
| 5.5 |
| 5.5 |
| |
| 5.6 |
| 5.6 |
| 5.6 |
| |
| 6.4 |
|
| 3. Moment-resisting frame system |
| 1. Special moment-resisting frame (SMRF) |
| | a. Steel |
| | b. Concrete |
| 2. Masonry moment-resisting wall frame (MMRWF) |
| 3. Concrete intermediate moment-resisting frame (IMRF) |
| 4. Ordinary moment-resisting frame (OMRF) |
| | a. Steel |
| | b. Concrete |
| 5. Special truss moment frames of steel (STMF) |
|
| |
| 8.5 |
| 8.5 |
| 6.5 |
| 5.5 |
| |
| 4.5 |
| 3.5 |
| 6.5 |
|
| 4. Dual systems |
| 1. Shear walls |
| | a. Concrete with SMRF |
| | b. Concrete with steel OMRF |
| | c. Concrete with concrete IMRF |
| | d. Masonry with SMRF |
| | e. Masonry with steel OMRF |
| | f. Masonry with concrete IMRF |
| | g. Masonry with masonry MMRWF |
| 2. Steel EBF |
| | a. With steel SMRF |
| | b. With steel OMRF |
| 3. Ordinary braced frames |
| | a. Steel with steel SMRF |
| | b. Steel with Steel OMRF |
| | c. Concrete with concrete SMRF |
| | d. Concrete with concrete IMRF |
| 4. Special concentrically braced frames |
| | a. Steel with steel SMRF |
| | b. Steel with steel OMRF |
|
| |
| 8.5 |
| 4.2 |
| 6.5 |
| 5.5 |
| 4.2 |
| 4.2 |
| 6.0 |
| |
| 8.5 |
| 4.2 |
| |
| 6.5 |
| 4.2 |
| 6.5 |
| 4.2 |
| |
| 7.5 |
| 4.2 |
|
| 5. Cantilevered column building systems |
| 1. Cantilevered column elements |
|
|
| 6. Shear wall-frame interaction systems |
|
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