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Images, UC QuakeStudies

A photograph of Henry Jaiswal, General Manager of Canterbury Migrants Centre, taking part in #FiveYearsOn. Canterbury Migrant Centre Trust was an All Right? Champion. Jaiswal holds a sign which reads, "Five years on, I feel... Awesome!" All Right? posted the photograph to their Facebook Timeline on 21 February 2016 at 9:12am. All Right? captioned the photograph. "Henry from the Christchurch Migrant Centre Trust is feeling awesome! #fiveyears on #5yearson #allrightnz".

Images, UC QuakeStudies

A photograph of Claire Calkin, Health Promoter for Pacific Trust Canterbury, taking part in #FiveYearsOn. Pacific Trust was an All Right? Champion. Claire holds a sign which reads, "Five years on I feel... All Good!' All Right? Posted the photograph on their Facebook Timeline on 21 February 2016 at 9:11am. All Right? captioned the photograph. "Claire from Pacific Trust Canterbury is feeling all good! #fiveyears on #5yearson #allrightnz".

Images, UC QuakeStudies

A photograph of Vaea Hutchen, Health Promoter for All Right?, taking part in #FiveYearsOn. Hutchen holds a sign which reads, "Five years on, I feel... brighter and ready to go// Vaea, Aranui". All Right? posted the photograph on their Facebook page on 23 February 2016 at 6.00pm. All Right? captioned the photograph, "Aranui's Vaea from All Right? is feeling brighter and ready to go! #fiveyears on #5yearson #allrightnz".

Images, UC QuakeStudies

A photograph of Suzanne Lemon, Manager for Westpac Upper Riccarton, taking part in #FiveYearsOn. Westpac Upper Riccarton was an All Right? Champion. Lemon holds a sign which reads, "Five years on, I feel... braver and kinder." All Right? posted the photograph to their Facebook Timeline on 21 February 2016 at 9:12am. All Right? captioned the photograph. "Suzanne from Westpac is feeling braver and kinder. #fiveyears on #5yearson #allrightnz".

Articles, UC QuakeStudies

A PDF copy of a poster created with the All Right? Poster Generator. The poster features the responses from a number of Christchurch residents about what makes them feel good, such as "It's all right to sing! Vivien, Heathcote." The posters were placed around the city at locations such as cafes, doctors surgeries and fish and chip shops. All Right? posted this poster on their Facebook Timeline on 10 May 2013 at 4:07pm.

Images, UC QuakeStudies

A photograph of an 'All Rightie' hugging a teacher at the Winter Survival Kit launch at Shirley Intermediate School. The teacher and the others in the photograph are just received their own Winter Survival Kit and a bouquet of Moffatt's flowers. All Right? posted the photograph on their Facebook Timeline on 25 July 2014 at 4:02pm with the caption, "Give them flowers to say thanks for the incredible job they've been doing".

Images, UC QuakeStudies

A photograph of Sue Turner, Manager for All Right?, taking part in #FiveYearsOn. Turner holds a sign which reads, "Five years on, I feel... Frustrated but hopeful for the future.... Sue, St Martins." All Right? posted the photograph on their Facebook Timeline on 21 February 2016 at 9:12am. All Right? captioned the photograph. "Sue - the manager of All Right? - from St Martins is feeling frustrated by hopeful for the future".

Images, UC QuakeStudies

A photograph Sharon McFarlane from the Christchurch City Council taking part in #FiveYearsOn. The Christchurch City Council was an All Right? Champion. McFarlane holds a sign which reads, "Five years on, I feel... Grateful." All Right? posted the photograph on their Facebook Timeline on 21 February 2016 at 9:12am. All Right? captioned the photograph. "Sharon from the Christchurch City Council is feeling grateful. #fiveyears on #5yearson #allrightnz".

Images, UC QuakeStudies

A photograph of Donovan Ryan, Communications Advisor for All Right?, taking part in #FiveYearsOn. Ryan holds a sign which reads, "Five years on, I feel... there's a long way to go! Donovan St Albans." All Right? posted the photograph to their Facebook Timeline on 21 February 2016 at 9:27am. All Right? captioned the photograph, "Donovan from St Albans feels there's a long way to go. #fiveyears on #5yearson #allrightnz".

Research papers, University of Canterbury Library

Predicting building collapse due to seismic motion is critical in design and more so after a major event. Damaged structures can appear sound, but collapse under following major events. There can thus be significant risk in decision making after a major seismic event concerning the safe occupation of a building or surrounding areas, versus the unknown impact of unknown major aftershocks. Model-based pushover analyses are effective if the structural properties are well understood, which is not valid post-event when this risk information is most useful. This research combines Hysteresis Loop Analysis (HLA) structural health monitoring (SHM) and Incremental Dynamic Analysis (IDA) methods to determine collapse capacity and probability of collapse for a specific structure, at any time, a range of earthquake excitations to ensure robustness. The nonlinear dynamic analysis method presented enables constant updating of building performance predictions using post-event SHM results. The resulting combined methods provide near real-time updating of collapse fragility curves as events progress, quantifying the change of collapse probability or seismic induced losses for decision-making - a novel, higher resolution risk analysis than previously available. The methods are not computationally expensive and there is no requirement for a validated numerical model. Results show significant potential benefits and a clear evolution of risk. They also show clear need for extending SHM toward creating improved predictive models for analysis of subsequent events, where the Christchurch series of 2010-2011 had significant post-event aftershocks after each main event. Finally, the overall method is generalisable to any typical engineering demand parameter.

Research papers, University of Canterbury Library

Timber has experienced renewed interests as a sustainable building material in recent times. Although traditionally it has been the prime choice for residential construction in New Zealand and some other parts of the world, its use can be increased significantly in the future through a wider range of applications, particularly when adopting engineered wood material, Research has been started on the development of innovative solutions for multi-storey non-residential timber buildings in recent years and this study is part of that initiative. Application of timber in commercial and office spaces posed some challenges with requirements of large column-free spaces. The current construction practice with timber is not properly suited for structures with the aforementioned required characteristics and new type of structures has to be developed for this type of applications. Any new structural system has to have adequate capacity for carry the gravity and lateral loads due to occupancy and the environmental effects. Along with wind loading, one of the major sources of lateral loads is earthquakes. New Zealand, being located in a seismically active region, has significant risk of earthquake hazard specially in the central region of the country and any structure has be designed for the seismic loading appropriate for the locality. There have been some significant developments in precast concrete in terms of solutions for earthquake resistant structures in the last decade. The “Hybrid” concept combining post-tensioning and energy dissipating elements with structural members has been introduced in the late 1990s by the precast concrete industry to achieve moment-resistant connections based on dry jointed ductile connections. Recent research at the University of Canterbury has shown that the concept can be adopted for timber for similar applications. Hybrid timber frames using post-tensioned beams and dissipaters have the potential to allow longer spans and smaller cross sections than other forms of solid timber frames. Buildings with post-tensioned frames and walls can have larger column-free spaces which is a particular advantage for non-residential applications. While other researchers are focusing on whole structural systems, this research concentrated on the analysis and design of individual members and connections between members or between member and foundation. This thesis extends existing knowledge on the seismic behaviour and response of post-tensioned single walls, columns under uni-direction loads and small scale beam-column joint connections into the response and design of post-tensioned coupled walls, columns under bi-directional loading and full-scale beam-column joints, as well as to generate further insight into practical applications of the design concept for subassemblies. Extensive experimental investigation of walls, column and beam-column joints provided valuable confirmation of the satisfactory performance of these systems. In general, they all exhibited almost complete re-centering capacity and significant energy dissipation, without resulting into structural damage. The different configurations tested also demonstrated the flexibility in design and possibilities for applications in practical structures. Based on the experimental results, numerical models were developed and refined from previous literature in precast concrete jointed ductile connections to predict the behaviour of post-tensioned timber subassemblies. The calibrated models also suggest the values of relevant parameters for applications in further analysis and design. Section analyses involving those parameters are performed to develop procedures to calculate moment capacities of the subassemblies. The typical features and geometric configurations the different types of subassemblies are similar with the only major difference in the connection interfaces. With adoption of appropriate values representing the corresponding connection interface and incorporation of the details of geometry and configurations, moment capacities of all the subassemblies can be calculated with the same scheme. That is found to be true for both post-tensioned-only and hybrid specimens and also applied for both uni-directional and bi-directional loading. The common section analysis and moment capacity calculation procedure is applied in the general design approach for subassemblies.

Research Papers, Lincoln University

"Prior to the devastating 2010-2011 Canterbury earthquakes, the city of Christchurch was already exhibiting signs of a housing affordability crisis. The causes and symptoms were similar to those being experienced in Auckland, but the substantial damage to the housing stock caused by the earthquakes added new dimensions and impetus to the problem. Large swathes of the most affordable housing stock in the east of the city were effectively destroyed by the earthquakes. In itself this would have pushed the mean house price upwards, but compounding problems exacerbated the situation. These include the price effects of reduced supply of both rented and owned housing and increased demand from both displaced residents and an influx of rebuild workers. The need for additional temporary housing while repairs were undertaken and the associated insurance pay-outs bidding up rents with improved rental returns leading to increased interest in property investment. Land supply constraints and consenting issues inhibiting the build of new housing and political infighting and uncertainty regarding the future of parts of the city leading to a flight of development activity to peripheral locations and adjoining local authorities. Concerns that the erosion of the city council rating base combined with inadequacy of insurance cover for infrastructure will lead to large rates increases, increased development costs and reduced amenities and services in future years. These and other issuers will be elaborated on in this paper with a view to exploring the way forward for affordable housing Christchurch City."

Images, eqnz.chch.2010

Damage to the Hotel Grand Chancellor can be seen in the middle. At the bottom left is the lift shaft (now fully demolished) of the CTV building which claimed over 100 lives when it collapsed in the earthquake. Taken during a scenic flight over Christchurch, New Zealand, 3 months after the deadly earthquake of 22 February, 2011. Much of the inn...

Images, eqnz.chch.2010

Taken during a scenic flight over Christchurch, New Zealand, 3 months after the deadly earthquake of 22 February, 2011. Much of the inner city CBD is still cordoned off and will be for some time. About 900 buildings are set for demolition. Taken aboard the Southern DC3 www.so...

Images, eqnz.chch.2010

Hotel Grand Chancellor - Leaning 1m to the east, demolition will start about mid June and is expected to take 10 months to complete at a cost of approx NZ$10m. It will be the biggest & tallest demolition project in New Zealand. Taken during a scenic flight over Christchurch, New Zealand, 3 months after the deadly earthquake of 22 February, ...

Images, eqnz.chch.2010

Taken during a scenic flight over Christchurch, New Zealand, 3 months after the deadly earthquake of 22 February, 2011. Much of the inner city CBD is still cordoned off and will be for some time. About 900 buildings are set for demolition. Taken aboard the Southern DC3 www.so...

Images, eqnz.chch.2010

Taken during a scenic flight over Christchurch, New Zealand, 3 months after the deadly earthquake of 22 February, 2011. Much of the inner city CBD is still cordoned off and will be for some time. About 900 buildings are set for demolition. Taken aboard the Southern DC3 www.so...

Images, eqnz.chch.2010

The current state of the Christchurch Cathedral can be seen in the middle. The spire collapsed as a result of the earthquake. Taken during a scenic flight over Christchurch, New Zealand, 3 months after the deadly earthquake of 22 February, 2011. Much of the inner city CBD is still cordoned off and will be for some time. About 900 buildings are ...

Images, eqnz.chch.2010

Taken during a scenic flight over Christchurch, New Zealand, 3 months after the deadly earthquake of 22 February, 2011. Much of the inner city CBD is still cordoned off and will be for some time. About 900 buildings are set for demolition. Taken aboard the Southern DC3 www.so...

Images, UC QuakeStudies

A photograph of Dr Lucy D'Aeth, Public Health Specialist for All Right?, taking part in #FiveYearsOn. Lucy holds a sign which reads, "Five years on, I feel... ...tired, but I still love Chch. Lucy Beckenham." All Right? posted the photograph on their Facebook Timeline on 21 February 2016 at 9:12am. All Right? captioned the photograph. "Lucy from Healthy Christchurch is feeling tired, but she still loves Chch!! #fiveyears on #5yearson #allrightnz".

Images, UC QuakeStudies

An image suggesting how watching the Cricket World Cup Final can be an opportunity to take notice. The image suggests being proud considering the journey the Black Caps have taken to get to the final. The image is from the 'World Cup Final Survival Guide' which depicted ways to practice the Five Ways to Wellbeing while watching the match. All Right? posted the image on their Facebook page on 27 March 2015 at 3:19pm.

Images, UC QuakeStudies

A photograph of two people from BECA at the Winter Survival Kit launch at Shirley Intermediate School. In the background are the 'All Righties' and Ciaran Fox from All Right?. All Right? posted the photograph on their Facebook Timeline on 25 July 2014 at 4:02pm. The Facebook image is captioned, "All paid for by the wonderful people at BECA... who collected money from their staff around the world after the February earthquake. Good people.

Images, UC QuakeStudies

A photograph of Ciaran Fox, Mental Health Promoter for All Right?, taking part in #FiveYearsOn. Fox holds a sign which reads, "Five years on I feel... Proud, hopeful// less tired, less angry// Ciaran, Lyttelton." All Right? posted the photograph on their Facebook Timeline on 21 February at 9:11am. All Right? captioned the photograph. "Lyttelton's Ciaran from All Right? is feeling proud, hopeful, less tired and less angry. #fiveyears on #5yearson #allrightnz".