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A simplified method of assessing soil structure interaction (SSI) using a single degree of freedom representation of the structure is presented. The simplified method uses recommendations from the SEI/ASCE code and implements the response spectra of NZS 1170.5. Three typical structures are analysed, and it…

Introduction The 2010-2011 Canterbury earthquake sequence, the 2010 Maule Earthquake in Chile as well as the 2011 Tohoku earthquake in Japan, has shown that saturated loose sandy ground is extremely prone to liquefaction1-4. In the case of Canterbury earthquakes the scale of devastation caused by…