John W. ButterworthNew Zealand Society for Earthquake EngineeringSimplified expressions for modelling rigid rocking structures on two-spring foundations. Ma, Quincy T.,Butterworth, John W. Bulletin of the New Zealand Society for Earthquake Engineering . 2012...
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An analytical model for dynamic analysis of Multi-Degree-of-Freedom (MDOF) building structures with pure sliding isolation system installed at the base and one or more storey levels, has been proposed together with a suitable numerical procedure which ensures the simplicity, transparency and stability...