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Seismic Design Principles and Methodology for the New Royal Adelaide Hospital

Abstract When completed in 2016, the $1.85 billion new Royal Adelaide Hospital will be Australia’s newest and most advanced major hospital, and one of the most complex building infrastructure projects delivered in the country. As a critical post disaster facility designed to meet BCA Importance Level 4 criteria, the structure is required to deliver the dual earthquake design performance objectives of collapse prevention for an earthquake with an annual probability of exceedance of1:1500, together with maintaining full operational capability following a serviceability earthquake with an annual probability of exceedance of 1:500. The earthquake serviceability performance design criterion for Importance Level 4 structures was introduced in the 2007 edition of AS1170.4. The new Royal Adelaide Hospital is one of the first major structures designed to comply with these new provisions. This paper outlines the engineering design processes and strategies adopted for the project to address both the collapse prevention and serviceability earthquake requirements.