Abstract
Seismic design is based on inherent ductile response, which is manifested by capacity design principles in reinforced concrete buildings. Ductility in reinforced concrete materials and members are discussed in this chapter. The effect of confinement for increasing compressive strain capacity of concrete is explained. Seismic design requirements for providing ductile response of beams, columns and slender shear walls under earthquake loads are evaluated in detail. Strong column-weak beam principle and its implementation in seismic design codes is elaborated. Strength design of non-ductile members, namely beam-column joints and squat shear walls in seismic codes are described. Chapter concludes with a comprehensive design example of a 5-story concrete frame.
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