Moment frames in a Shake table test on moment frames 3.4 Hybrid system with st。 Slaphream design [团 Moment frames in a residential building 31 Shake table test on moment frames 32 Tests of reinforced bolted moment connections Unreinforced Reinforced Repaired -70 -60 -50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20 rotation [°] moment [kNm] -70 -60 -50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20 rotation [°] moment [kNm] -70 -60 -50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20 rotation [°] moment [kNm] Self tapping screws Common wood screws and nails 33 3.4 Hybrid system Four-storey student residence apartments (front to back) perforated walls (windows and doors) 34 Seismic strengthening with steel frames steel frame with articulated collectors elevator shaft vertical sleeve for steel frame steel frame 35 4. Shear Walls & Diaphragms in Light-frame Buildings • Shear wall design • Diaphragm design