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I. Bearing wallsystem 1. Light-framed wails with shear panels <br /> a. }Food structural panel wails for structures three stories $.5 2.8 65 <br /> or less <br /> b. All other light-framed walls 4.5 2.8 65 <br /> 2. Shear walls <br /> a. Concrete 4.5 2.8 160 <br /> b. Masonry 4.5 2.8 160 <br /> 3. Light steel-framed bearing walls with tenslon-only bracing 2.8 2.2 65 <br /> 4. Braced frames where bracing carries graviO~ load <br /> a. Steel <br /> b. ConcreteS 4.4 2.2 160 <br /> c. Heavy timber 2.8 2.2 .3 <br /> 2.8 2.2 65 <br />2. Building frame system 1. Steel eccentrically braced frame (EBF) 7.0 2.8 240 <br /> 2. Light-framed wails with shear panela <br /> a. Wood structural panel walls for structures three stories 6.5 2.8 65 <br /> or less <br /> b. Ail other light-framed wails 5.0 2.8 65 <br /> 3. Shear walls <br /> a. Concrete 5.5 2.8 240 <br /> b. Masonry 5.5 2.8 I 160 <br /> 4. Ordinary braced frames <br /> ~ Steel6 5.6 Z2 356 <br /> b. Concretes 5.6 2.2 .3 <br /> c. Heavy timber 5.6 2.2 65 <br /> 5. Special concentrically braced frames <br /> a. Steel 6.4 2.2 240 <br />3. Moment-resisting frame 1. Special moment-resisting frame (SMRF) <br />system a. Steel 8.5 2.8 N.L. <br /> b. Concrete4 8.5 2.8 N.L. <br /> 2. Masonry moment-resis~ng wall frame (MMR WF) 6.5 2.8 160 <br /> 3. Intermediate moment-resisting frame (IMRF)5- <br /> c~ Steel6 <br /> b. Concrete5 4.5 2.8 356 <br /> 4. Ordinary moment-resisting frame (OMRF) 5.5 2.8 .3 <br /> a. Steel 6 <br /> b. Concrete8 3.5 2.8 356 <br /> 5. Special truss moment frames of steel (STMF) 3.5 2.8 ~ $ <br /> 6.$ 2.8 240 <br />4. Dual systems 1. Shear wails <br /> ~ Concrete with SMRF 8.5 2.8 N.L. <br /> b. Concrete with steel OMRF (Not Permitted) 0 0 s <br /> c. Concrete with concrete IMRF ~ <br /> d. Masonry with SMRF 6.5 2.8 160 <br /> e. Masonry with steel OMRF (Not Permitted) 5.5 2.8 0 <br /> f. Masonry with concrete IMRF3 0 0 3 <br /> g. Masonry with masonry MMRWF <br /> , 2. Steel EBF 4.2 2.8 160 <br /> a. With steel SMRF 6.0 2.8 N.L. <br /> b. With steel OMRF (Not Permitted) <br /> 3. Ordinary braced frames (Not Permitted) 8.5 2.8 - ~ <br /> 0 0 3 <br /> 4. Special concentrically braced frames 0 0 <br /> a. Steel with steel SMRF <br /> b. Steel with steel OMRF (Not Permitted) <br /> 5. Steel IMRF (Not permitted) <br /> 7.5 2.8 ~ N.L. <br /> 0 0 0 <br /> 0 0 0 <br />5. Cantilevered column 1. Cantilevered column elements 2.2 2.0 357 <br />building systems <br />6. Shear wall-frame 1. Concretes 53 2.8 160 <br />interaction systems <br /> <br />21 <br /> <br /> <br />