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Images, UC QuakeStudies

A photograph of a performer suspended in a harness above the base of the Robert Falcon Scott statue, during a rehearsal for a performance titled Angel of History. The performance was part of Canterbury Tales - a carnivalesque procession which was the main event of FESTA 2013.

Images, UC QuakeStudies

A photograph of temporary structures, created from scaffolding for CityUps. CityUps was a 'city of the future for one night only', and the main event of FESTA 2014. It was created by architecture students in collaboration with local businesses, artists, performers and innovators.

Images, UC QuakeStudies

A photograph of performers on a temporary stage in Re:START mall during Under the Fale. Under the Fale was organised by Pacific Underground and took place as part of Canterbury Tales - a carnivalesque procession which was the main event of FESTA 2013.FESTA 2013.

Images, UC QuakeStudies

A photograph of a temporary structure, created from scaffolding for CityUps. CityUps was a 'city of the future for one night only', and the main event of FESTA 2014. It was created by architecture students in collaboration with local businesses, artists, performers and innovators.

Images, UC QuakeStudies

A photograph of a temporary structure, created from scaffolding for CityUps. CityUps was a 'city of the future for one night only', and the main event of FESTA 2014. It was created by architecture students in collaboration with local businesses, artists, performers and innovators.

Images, UC QuakeStudies

A photograph of a temporary structure, created from scaffolding for CityUps. CityUps was a 'city of the future for one night only', and the main event of FESTA 2014. It was created by architecture students in collaboration with local businesses, artists, performers and innovators.

Images, UC QuakeStudies

A photograph of people in high visibility gear and hard hats constructing an installation for CityUps. CityUps was a 'city of the future for one night only', and the main event of FESTA 2014. It was created by architecture students in collaboration with local businesses, artists, performers and innovators.

Images, UC QuakeStudies

A photograph of participants in the walk to celebrate Chinese National Day and the Moon Festival. In the foreground, there are two performers doing a lion dance. The walk was held at the Upper Riccarton Library in September 2015. It was organised by the Canterbury Migrants Centre (formerly the Christchurch Migrants Centre) and was part of the Christchurch City Council's Walking Festival.

Research papers, The University of Auckland Library

This thesis aims to find a new weld sizing criterion for the steel construction industry in New Zealand. Current standards, such as NZS 3404, ANSI/AISC 360-16, and Eurocode 3 use a factor of 0.6 to calculate weld capacity from the weld metal’s ultimate tensile strength (UTS). This difference between weld capacity and UTS is thought to have arisen from the need for a large factor of safety to ensure welds perform correctly during an earthquake. The events in Christchurch proved that this criterion was able to work as intended. Several papers have been published by P. Dong from University of Michigan, and alongside other researchers, they investigate a new definition of weld shear strength by using a traction stress-based method. This new method not only allows realistic angles of weld fracture to be investigated, but also different weld geometries such as partial penetration butt welds. Ongoing research at HERA is showing how this welding technique is a more economical option than larger fillet welds with similar performance. For this thesis a range of sample types were statically tested until failure. UTS of several weld metals was found and then compared with transverse shear results to see if 0.6 is indeed correct. It was found that if the results from the standardized transverse shear samples was used, this ratio could be increased to 1.0. But if the results from cruciform joint samples was used, which still load the weld in a transverse direction but with a higher stress concentration, required the ratio to be 0.8 for welds that could be welded with a single pass, and decreased further to 0.75 for large welds with 3 passes. Two types of partial penetration butt weld (PPBW) geometries were compared to a comparatively sized fillet weld. These tests showed the PPBWs were the best performers, with all PPBWs surviving testing compared to only 33% of fillet welds.