Abstract
The validity of the conventional seismic design approach based on the well-known concept of “constant ductility” is investigated. More than 130 earthquake ground motion records are employed to represent seismic loadings of various characteristics. The design approach is considered valid if structures designed according to the approach can withstand these seismic loadings without sustaining excessive damage. The investigation is limited to SDOF structures with bi-linear behaviour, and the seismic damage is estimated using the Park-Ang damage model. The results in the form of damage spectra clearly indicate that the conventional design approach is not valid for the case of structures on soft soils because cumulative damage becomes excessively high. A new design approach based on a new type of inelastic response spectra called Constant-Damage Strength Demand Spectra is then proposed. The validity of the new approach is checked and found to be satisfactory.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
