Review of displacement-based seismic design methods of reinforced concrete regular frames

摘要

Structural displacement is now recognized as a key parameter for of structural and non-structural damage to a building during an earthquake. This paper reviews and compares some of the recently developed displacement-based seismic design (DBD) approaches, which promise a more rational design philosophy, compared to the conventional force-based design (FBD). This paper reviews six displacement-based procedures, and compares their relative performance, as applied to the seismic design of typical reinforced concrete (RC) moment-resisting frames of 4, 9 and 15 storeys located in zone V. Despite all methods using the same set of design parameters, a large variation in design strength and member sizes is observed. It is found that Performance-based Plastic Design (PBPD) and Direct Displacement-based Design (DDBD) methods give the most economical designs.