By David Carradine, Dave Brunsdon, Simon Faulkner, Mark Willard
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1 December 2022, Build 193
Recent work provided valuable insights into the seismic capacity of buildings commonly used in schools nationwide. This provided a unique opportunity to test whole buildings on site to understand their performance and to test the main structural elements in the laboratory.
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By Angela Liu, Roger Shelton
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1 April 2021, Build 183
While the bracing requirements in NZS 3604:2011 Timber-framed buildings suit most buildings, the distribution rules of clause 5.4.7 are too lenient for some complex designs. During earthquakes, some Building Code-compliant buildings may move or flex, causing extensive damage. BRANZ research found which buildings are affected and suggests changes.
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By Richard Hunt and Hans Gerlich
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1 October 2011, Build 126
Many Canterbury houses have lost stiffness and strength following the earthquakes. Repairs to gypsum plasterboard linings need to restore this to prevent future small events repeating the cracking and damage.
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