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Research papers, The University of Auckland Library

The seismic tremor that shook Christchurch on February 22, 2011, not only shattered buildings but also the spirit of the city’s residents. Amidst the ruins, this design-focused thesis unravels two intertwining narratives, each essential to the city’s resurrection. At its core, this thesis probes the preservation of Christchurch’s memory and character, meticulously chronicling the lost heritage architecture and the subsequent urban metamorphosis. Beyond bricks and mortar, it also confronts the silent aftershocks - the pervasive mental health challenges stemming from personal losses and the disfigured cityscape. As a native of Christchurch, intimately connected to its fabric, my lens reflects not just on the architectural reconstruction but also on the emotional reconstruction. My experience as an autistic individual, a recently discovered facet of my identity, infuses this design journey with a distinct prism through which I perceive and interact with the world. The colourful sketches that drive the design process aren’t mere illustrations but manifestations of my interpretation of spaces and concepts, evoking joy and vitality—a testament to embracing diversity in design. Drawing parallels between healing my own traumas with my colourful and joyful neurodivergent worldview, I’ve woven this concept into proposals aimed at healing the city through whimsy, joy, and vibrant colours. Personal experiences during and post-earthquakes profoundly shape my design proposals. Having navigated the labyrinth of my own mental health amid the altered cityscape, I seek avenues for reconciliation, both personal and communal. The vibrant sketches and designs presented in this thesis encapsulate this vision—a fusion of vivid, unconventional interpretations and a dedication to preserving the essence of the original cityscape while still encouraging movement into the future.

Research papers, The University of Auckland Library

This thesis revisits the topic of earthquake recovery in Christchurch City more than a decade after the Canterbury earthquakes. Despite promising visions of a community reconnected and a sustainable and liveable city, significant portions of the city’s core – the Red Zone – remain dilapidated and “eerily empty”. At the same time, new developments in other areas have proven to be alienated or underutilised. Currently, the Canterbury Earthquake Recovery Authority’s plans for the rebuilding highlight the delivery of more residential housing to re-populate the city centre. However, prevalent approaches to housing development in Christchurch are ineffective for building an inclusive and active community. Hence, the central inquiry of the thesis is how the development of housing complexes can revitalise the Red Zone within the Christchurch city centre. The inquiry has been carried out through a research-through-design methodology, recognising the importance of an in-depth investigation that is contextualised and combined with the intuition and embodied knowledge of the designer. The investigation focuses on a neglected site in the Red Zone in the heart of Christchurch city, with significant Victorian and Edwardian Baroque heritage buildings, including Odeon Theatre, Lawrie & Wilson Auctioneers, and Sol Square, owned by The Regional Council Environment Canterbury. The design inquiry argues, develops, and is carried through a place-assemblage lens to housing development for city recovery, which recognizes the significance of socially responsive architecture that explores urban renewal by forging connections within the social network. Therefore, place-assemblage criteria and methods for developing socially active and meaningful housing developments are identified. Firstly, this thesis argues that co-living housing models are more focused on people relations and collective identity than the dominant developer-driven housing rebuilds, as they prioritise conduits for interaction and shared social meaning and practices. Secondly, the adaptive reuse of derelict heritage structures is proposed to reinvigorate the urban fabric, as heritage is seen to be conceived as and from a social assemblage of people. The design is realised by the principles outlined in the ICOMOS charter, which involves incorporating the material histories of existing structures and preserving the intangible heritage of the site by ensuring the continuity of cultural practices. Lastly, design processes and methods are also vital for place-sensitive results, which pay attention to the site’s unique characteristics to engage with local stakeholders and communities. The research explores place-assemblage methods of photographic extraction, the drawing of story maps, precedent studies, assemblage maps, bricolages, and paper models, which show an assembly of layers that piece together the existing heritage, social conduits, urban commons and housing to conceptualise the social network within its place.

Research papers, The University of Auckland Library

The research presented in this thesis investigated the environmental impacts of structural design decisions across the life of buildings located in seismic regions. In particular, the impacts of expected earthquake damage were incorporated into a traditional life cycle assessment (LCA) using a probabilistic method, and links between sustainable and resilient design were established for a range of case-study buildings designed for different seismic performance objectives. These links were quantified using a metric herein referred to as the seismic carbon risk, which represents the expected environmental impacts and resource use indicators associated with earthquake damage during buildings’ life. The research was broken into three distinct parts: (1) a city-level evaluation of the environmental impacts of demolitions following the 2010/2011 Canterbury earthquake sequence in New Zealand, (2) the development of a probabilistic framework to incorporate earthquake damage into LCA, and (3) using case-study buildings to establish links between sustainable and resilient design. The first phase of the research focused on the environmental impacts of demolitions in Christchurch, New Zealand following the 2010/2011 Canterbury Earthquake Sequence. This large case study was used to investigate the environmental impact of the demolition of concrete buildings considering the embodied carbon and waste stream distribution. The embodied carbon was considered here as kilograms of CO2 equivalent that occurs on production, construction, and waste management stage. The results clearly demonstrated the significant environmental impacts that can result from moderate and large earthquakes in urban areas, and the importance of including environmental considerations when making post-earthquake demolition decisions. The next phase of the work introduced a framework for incorporating the impacts of expected earthquake damage based on a probabilistic approach into traditional LCA to allow for a comparison of seismic design decisions using a carbon lens. Here, in addition to initial construction impacts, the seismic carbon risk was quantified, including the impacts of seismic repair activities and total loss scenarios assuming reconstruction in case of non-reparability. A process-based LCA was performed to obtain the environmental consequence functions associated with structural and non-structural repair activities for multiple environmental indicators. In the final phase of the work, multiple case-study buildings were used to investigate the seismic consequences of different structural design decisions for buildings in seismic regions. Here, two case-study buildings were designed to multiple performance objectives, and the upfront carbon costs, and well as the seismic carbon risk across the building life were compared. The buildings were evaluated using the framework established in phase 2, and the results demonstrated that the seismic carbon risk can significantly be reduced with only minimal changes to the upfront carbon for buildings designed for a higher base shear or with seismic protective systems. This provided valuable insight into the links between resilient and sustainable design decisions. Finally, the results and observations from the work across the three phases of research described above were used to inform a discussion on important assumptions and topics that need to be considered when quantifying the environmental impacts of earthquake damage on buildings. These include: selection of a non-repairable threshold (e.g. a value beyond which a building would be demolished rather than repaired), the time value of carbon (e.g. when in the building life the carbon is released), the changing carbon intensity of structural materials over time, and the consideration of deterministic vs. probabilistic results. Each of these topics was explored in some detail to provide a clear pathway for future work in this area.

Images, UC QuakeStudies

A photograph of a temporary installation titled Orbis, which was created by students from the University of Auckland, in partnership with Twisted Hop. Orbis was part of CityUps - a 'city of the future for one night only', and the main event of FESTA 2014.

Images, UC QuakeStudies

A photograph of a temporary installation titled Orbis, which was created by students from the University of Auckland, in partnership with Twisted Hop. Orbis was part of CityUps - a 'city of the future for one night only', and the main event of FESTA 2014.

Images, UC QuakeStudies

A photograph of an architecture student from the University of Auckland constructing a temporary installation titled Upload. The installation was part of CityUps, a 'city of the future for one night only', and the main event of FESTA 2014.

Images, UC QuakeStudies

A photograph of a temporary installation titled CHCH2061, which was created by students from the University of Auckland, in partnership with DJ Lab. CHCH2161 was part of CityUps - a 'city of the future for one night only', and the main event of FESTA 2014.

Images, UC QuakeStudies

A photograph of a temporary, inflatable structure titled Upload, which was created by students from the University of Auckland, in partnership with Chirney Coffee. Upload was part of CityUps - a 'city of the future for one night only', and the main event of FESTA 2014.

Images, UC QuakeStudies

A photograph of a temporary installation titled Antigravity, which was created by students from the University of Auckland, in partnership with Cakes by Anna. Antigravity was part of CityUps - a 'city of the future for one night only', and the main event of FESTA 2014.

Images, UC QuakeStudies

A photograph of a temporary installation titled Continuum, which was created by students from the University of Auckland, in partnership with Excuse My French Crepe Cart. Continuum was part of CityUps - a 'city of the future for one night only', and the main event of FESTA 2014.

Images, UC QuakeStudies

A photograph of a temporary structure titled Equilibrium, which was created by students from the University of Auckland, in partnership with White Elephant Trust. Equilibrium was part of CityUps - a 'city of the future for one night only', and the main event of FESTA 2014.

Images, UC QuakeStudies

A photograph of a temporary structure titled Equilibrium, which was created by students from the University of Auckland, in partnership with White Elephant Trust. Equilibrium was part of CityUps - a 'city of the future for one night only', and the main event of FESTA 2014.

Images, UC QuakeStudies

A photograph of a temporary structure titled CHCH2061, which was created by students from the University of Auckland, in partnership with DJ Jab. CHCH2061 was part of CityUps - a 'city of the future for one night only', and the main event of FESTA 2014.

Articles, UC QuakeStudies

A report created by the University of Canterbury Quake Centre and the University of Auckland, funded by the Building Research Levy. It shows how an innovation process was initiated and managed throughout the rebuilding of the horizontal infrastructure after the Canterbury earthquakes.

Images, UC QuakeStudies

A photograph of a temporary installation titled Antigravity, which was created by students from the University of Auckland, in partnership with Cakes by Anna. Antigravity was part of CityUps - a 'city of the future for one night only', and the main event of FESTA 2014.

Images, UC QuakeStudies

A photograph of a temporary, inflatable structure, titled Upload, being installed for CityUps - a 'city of the future for one night only', and the main event of FESTA 2014. Upload was created by students from the University of Auckland, in partnership with Chirney Coffee.

Images, UC QuakeStudies

A photograph of a temporary installation titled Antigravity, which was created by students from the University of Auckland, in partnership with Cakes by Anna. Antigravity was part of CityUps - a 'city of the future for one night only', and the main event of FESTA 2014.

Images, UC QuakeStudies

A photograph of a temporary, inflatable structure, titled Upload, which was created by students from the University of Auckland, in partnership with Chirney Coffee. Upload was part of CityUps - a 'city of the future for one night only', and the main event of FESTA 2014.

Images, UC QuakeStudies

A photograph of a temporary structure, titled Continuum, being installed for CityUps. CityUps was a 'city of the future for one night only', and the main event of FESTA 2014. Continuum was created by students from the University of Auckland, in partnership with Excuse My French Crepe Cart.

Images, UC QuakeStudies

A photograph of a temporary structure, titled Continuum, being installed for CityUps - a 'city of the future for one night only', and the main event of FESTA 2014. Continuum was created by students from the University of Auckland, in partnership with Excuse My French Crepe Cart.

Images, UC QuakeStudies

A photograph of cakes made by Cakes By Anna. The cakes are being sold at a temporary installation titled Antigravity, which was created by students from the University of Auckland, in partnership with Cakes by Anna. em>Antigravity was part of CityUps - a 'city of the future for one night only', and the main event of FESTA 2014.