>Steel encased prefabricate composite shear wall An alternative option' √Using prefabricate panel,framed with columns and beam √In early days,.con( as cover to preven 预制墙板 fire and corrosion. contribution to the 楼板 performances were considered. ➢ Steel encased prefabricate composite shear wall An alternative option: ✓ Using prefabricated concrete panel, framed with steel edge columns and beams. ✓ In early days, concrete was used as cover to prevent steel from fire and corrosion. Their contribution to the bearing performances were not considered