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Research papers, University of Canterbury Library

High-Force-to-Volume lead dampers (HF2V) have been recently developed through an experimental research program at University of Canterbury – New Zealand. Testing of the device and applications on beam column joints have demonstrated stable hysteretic behaviour with almost no damage. This paper reports testing of HF2V devices with straight, bulged and constricted shaft configurations subjected to velocities of 0.15 - 5.0mm/s. The effect of the shaft configuration on the hysteresis loop shape, design relationships and the effect of the velocity on the resistive force of the device are described. Results show that hysteresis loop shape of the device is almost square regardless of the shaft configuration, and that devices are characterized by noticeable velocity dependence in the range of 0.15-1.0mm/s.

Research papers, University of Canterbury Library

Existing unreinforced masonry (URM) buildings are often composed of traditional construction techniques, with poor connections between walls and diaphragms that results in poor performance when subjected to seismic actions. In these cases the application of the common equivalent static procedure is not applicable because it is not possible to assure “box like” behaviour of the structure. In such conditions the ultimate strength of the structure relies on the behaviour of the macro-elements that compose the deformation mechanisms of the whole structure. These macroelements are a single or combination of structural elements of the structure which are bonded one to each other. The Canterbury earthquake sequence was taken as a reference to estimate the most commonly occurring collapse mechanisms found in New Zealand URM buildings in order to define the most appropriate macroelements.

Research papers, University of Canterbury Library

Disasters are rare events with major consequences; yet comparatively little is known about managing employee needs in disaster situations. Based on case studies of four organisations following the devastating earthquakes of 2010 - 2011 in Christchurch, New Zealand, this paper presents a framework using redefined notions of employee needs and expectations, and charting the ways in which these influence organisational recovery and performance. Analysis of in-depth interview data from 47 respondents in four organisations highlighted the evolving nature of employee needs and the crucial role of middle management leadership in mitigating the effects of disasters. The findings have counterintuitive implications for human resource functions in a disaster, suggesting that organisational justice forms a central framework for managing organisational responses to support and engage employees for promoting business recovery.

Research papers, University of Canterbury Library

The paper discusses modelling of cyclic stress-strain behaviour of soil, in particular a simple model that can produce a desired stiffness and hysteretic damping for a given strain level as observed in laboratory testing is formulated. The unloading-reloading relationship is developed for total stress seismic site response analysis with appropriate damping at large strain. The constitutive model employs a hyperbolic equation as the backbone curve, and uses a modification of the extended Masing unloading-reloading relationship leading to correct measured modulus reduction and damping curves simultaneously. A quasi-static cyclic loading of increasing amplitude is used to demonstrate the model’s performance and its capability to allow improved modelling of the magnitude of energy dissipation based on an experimental program on native sandy soils from Christchurch, New Zealand.

Research papers, University of Canterbury Library

Disasters are rare events with major consequences; yet comparatively little is known about managing employee needs in disaster situations. Based on case studies of four organisations following the devastating earthquakes of 2010 - 2011 in Christchurch, New Zealand, this paper presents a framework using redefined notions of employee needs and expectations, and charting the ways in which these influence organisational recovery and performance. Analysis of in-depth interview data from 47 respondents in four organisations highlighted the evolving nature of employee needs and the crucial role of middle management leadership in mitigating the effects of disasters. The findings have counterintuitive implications for human resource functions in a disaster, suggesting that organisational justice forms a central framework for managing organisational responses to support and engage employees for promoting business recovery.

Research papers, University of Canterbury Library

This paper explores the scope of small-scale radio to create an auditory geography of place. It focuses on the short term art radio project The Stadium Broadcast, which was staged in November 2014 in an earthquake-damaged sports stadium in Christchurch, New Zealand. Thousands of buildings and homes in Christchurch have been demolished since the Februrary 22, 2011 earthquake, and while Lancaster Park sports stadium is still standing, it has been unused since that date and its future remains uncertain. The Stadium Broadcast constructed a radio memorial to the Park’s 130 year history through archival recordings, the memories of local people, observation of its current state, and a performed site-specificity. The Stadium Broadcast reflected on the spatiality of radio sounds and transmissions, memory, post-disaster transitionality, and the im-permanence of place.

Research papers, Victoria University of Wellington

Diverse Density proposes an alternative housing strategy to the idealistic top-down process of housing development.  The term ‘Top – down’ refers to a situation in which decisions are made by a few people in authority rather than by the people who are affected by the decisions (Cambridge).  Problems/Position/Question: New Zealand’s urban housing is in a period of flux. Pressures of densification have permitted the intervention of medium density housing development schemes but these are not always successful. These typically top-down processes often result in internally focused design schemes that do not adhere to their specific context. The subsequent design outcomes can cause detrimental impacts to the local, urban and architectural conditions.  With vast quantities of council regulations, building restrictions and design guidelines clouding over the housing sector, commonly referred to as ‘red tape’, occupant participation in the housing development sector is dwindling. A boundless separation between top-down and traditional housing processes has occurred and our existing neighbourhoods and historic architectural character are taking on the brunt of the problem. The thought-provoking, alternative housings strategies of key research theorists Alejandro Aravena and John Habraken frame positions that challenge contemporary densification methods with an alternative strategy.  This position is addressed by endeavoring to answer; How can demands for denser housing achieve dynamic design responses that adhere to changes in occupancy, function and local site conditions?  Aim: The aim of this thesis is to challenge New Zealand’s current housing densification methods by proposing an alternative densification strategy. Explicit devotion will be attributed to opposing top-down building developments. Secondly, this thesis aims to test a speculative site-specific housing model. The implementation of a Christchurch housing scenario will situate an investigative study to test the strategy and its ability to stimulate greater diversity, site responsiveness, functional adaptability and occupancy permutation. The post-earthquake housing conditions of Christchurch provide an appropriate scenario to test and implement design-led investigations.  Objectives: The primary objectives of this design-led research investigation it to challenge the idealistic top-down method of developing density with a new method to:  - Develop contextual architectural cohesion - Encourage residential diversity - Reinvigorate architectural autonomy - Respond to, and recognise, existing site conditions - Develop a housing model that: - Adapts to occupant functionality preferences - Caters to occupancy diversity - Achieves contextual responsiveness  The proposition is addressed through a speculative design-led scenario study. A well-established Christchurch urban environment is adopted to implement and critique the envisioned alternative strategy. Development of the designs responsiveness, adaptability, and functionality produce a prototype housing model that actively adheres to its particular context.  Implication: The implications of this research would be an alternative densification strategy to perceive the advancement of punctual assessment of building compliance. With accelerated building processes, the research may have implications for addressing New Zealand’s housing crisis whilst simultaneously providing diverse, personable and responsive architectural solutions. A more dynamic, up-to-date and responsive housing development sector would be informed.

Images, Alexander Turnbull Library

Two businessmen emerge from a building wondering whether 'Bill English' has ''Made any uplifting pronouncements on the economy or budget lately?..' On the footpath outside is Finance Minister Bill English wearing a sandwich board that reads 'the end is nigh' and carrying a banner that reads 'We're doomed'. Context - the impact of an already struggling economy of the Christchurch earthquakes of 4 September 2010 and 22 February 2011. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

The cartoon shows the name in large capital letters 'Christchurch' with the 't' drawn as the Christian cross symbol. Below is text reading '"These deaths are our greatest loss. They remind us that buildings are just buildings, roads just roads, but people are irreplaceable" John Key' Context - The very severe Christchurch earthquake of 22 February 2011 in which probably more than 200 people died. Two versions of this cartoon are available Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

Commentary from the cartoonist 'The Earthquake Commission's leak of 83,000 files is like a storyline from Alfred Hitchcock: : a loon attempts to shock a nation that has already been rendered braindead from previous shocks.Note: EQC is ued here as an 'echo' of the term ECT [electro convulsive therapy...ie shock treatment].' In March 2013, there was a massive leak of of some 83,000 EQC files relating to individual claims relating to the Christchurch earthquakes. Quantity: 1 digital cartoon(s).

Images, Canterbury Museum

One expandable oblong brown fabric bag produced by Christchurch church group Rechurch; black and green writing on the front and back. Used to deliver lunch to Student Volunteer Army clean up parties after the 4 September 2010 earthquake. This reusable fabric bag from the church group Rechurch, Christchurch was used to deliver lunches to the stu...

Images, Canterbury Museum

One green glass 500ml bottle of Three Boys Brewery ‘Aftershock’ beer. The bottle has a dark green rectangular label with white writing and the brewery logo on front and back. The bottle is sealed by a brass cap with a piece of red brick on top; brick and cap are sealed in wax. Christchurch's artisan Three Boys Brewery sustained only minor damag...

Images, Canterbury Museum

One green glass 500ml bottle of Three Boys Brewery ‘Aftershock’ beer. The bottle has a dark green rectangular label with white writing and the brewery logo on front and back. The bottle is sealed by a brass cap with a piece of red brick on top; brick and cap are sealed in wax. Christchurch's artisan Three Boys Brewery sustained only minor damag...

Images, Canterbury Museum

One green glass 500ml bottle of Three Boys Brewery ‘Aftershock’ beer. The bottle has a dark green rectangular label with white writing and the brewery logo on front and back. The bottle is sealed by a brass cap with a piece of red brick on top; brick and cap are sealed in wax. Christchurch's artisan Three Boys Brewery sustained only minor damag...

Images, Canterbury Museum

One white dust mask with elastic strap to secure around the head. Black printing on the front reads: '3M 8000 / P1 / AS/NZS 1716'. Used by Student Volunteer Army in the clean up after 4 September 2010 earthquake. Face masks were recommended by Christchurch Public Health staff as a safety precaution for those handling liquefaction. Liquefaction ...

Images, Canterbury Museum

One green glass 500ml bottle of Three Boys Brewery ‘Aftershock’ beer. The bottle has a dark green rectangular label with white writing and the brewery logo on front and back. The bottle is sealed by a brass cap with a piece of red brick on top; brick and cap are sealed in wax. Christchurch's artisan Three Boys Brewery sustained only minor damag...

Images, Canterbury Museum

One brown cardboard box which contained a dozen bottles of Three Boys Brewery ‘Aftershock’ beer. The Three Boys logo and name features in black printing on each side with 12x500ml printed on long sides. A dark green sticker with white writing, which also appears on the bottles, is attached to the top leaf. Christchurch's artisan Three Boys Brew...

Images, Canterbury Museum

One black metal spade with plastic handle; white band towards handle. Spade is well used and features remnants of liquefaction. Used by Student Volunteer Army in the clean up after 4 September 2010 earthquake. It is estimated that 1,750 spades similar to this one were used in the cleanup of Christchurch after both the 4 September 2010 and 22 Fe...

Images, Canterbury Museum

One green glass 500ml bottle of Three Boys Brewery ‘Aftershock’ beer. The bottle has a dark green rectangular label with white writing and the brewery logo on front and back. The bottle is sealed by a brass cap with a piece of red brick on top; brick and cap are sealed in wax. Christchurch's artisan Three Boys Brewery sustained only minor damag...

Images, Canterbury Museum

One black plastic barrelled wheelbarrow with a blue metal frame, black rubber handles and a pneumatic tyre; manufacturer's name in white on long sides and torn promotional label on short side near handles. Barrel is well used and contains remnants of liquefaction. Used by Student Volunteer Army in the clean up after 4 September 2010 earthquake. ...

Images, Canterbury Museum

One green glass 500ml bottle of Three Boys Brewery ‘Aftershock’ beer. The bottle has a dark green rectangular label with white writing and the brewery logo on front and back. The bottle is sealed by a brass cap with a piece of red brick on top; brick and cap are sealed in wax. Christchurch's artisan Three Boys Brewery sustained only minor damag...

Images, Canterbury Museum

One green glass 500ml bottle of Three Boys Brewery ‘Aftershock’ beer. The bottle has a dark green rectangular label with white writing and the brewery logo on front and back. The bottle is sealed by a brass cap with a piece of red brick on top; brick and cap are sealed in wax. Christchurch's artisan Three Boys Brewery sustained only minor damag...

Images, Canterbury Museum

One green glass 500ml bottle of Three Boys Brewery ‘Aftershock’ beer. The bottle has a dark green rectangular label with white writing and the brewery logo on front and back. The bottle is sealed by a brass cap with a piece of red brick on top; brick and cap are sealed in wax. Christchurch's artisan Three Boys Brewery sustained only minor damag...

Images, Canterbury Museum

One green glass 500ml bottle of Three Boys Brewery ‘Aftershock’ beer. The bottle has a dark green rectangular label with white writing and the brewery logo on front and back. The bottle is sealed by a brass cap with a piece of red brick on top; brick and cap are sealed in wax. Christchurch's artisan Three Boys Brewery sustained only minor damag...

Images, Canterbury Museum

One green glass 500ml bottle of Three Boys Brewery ‘Aftershock’ beer. The bottle has a dark green rectangular label with white writing and the brewery logo on front and back. The bottle is sealed by a brass cap with a piece of red brick on top; brick and cap are sealed in wax. Christchurch's artisan Three Boys Brewery sustained only minor damag...

Images, Canterbury Museum

One green glass 500ml bottle of Three Boys Brewery ‘Aftershock’ beer. The bottle has a dark green rectangular label with white writing and the brewery logo on front and back. The bottle is sealed by a brass cap with a piece of red brick on top; brick and cap are sealed in wax. Christchurch's artisan Three Boys Brewery sustained only minor damag...

Images, Canterbury Museum

One green glass 500ml bottle of Three Boys Brewery ‘Aftershock’ beer. The bottle has a dark green rectangular label with white writing and the brewery logo on front and back. The bottle is sealed by a brass cap with a piece of red brick on top; brick and cap are sealed in wax. Christchurch's artisan Three Boys Brewery sustained only minor damag...

Images, Canterbury Museum

One 750ml green wine bottle with red coloured metal screw cap containing Mud House 2010 Marlborough Sauvignon Blanc ‘The Day the Ground Moved Like Jelly’; the front label has a drawing of an earthquake damaged house on a white background by Bella Kingi, while the label on the reverse details the fundraising effort supported by the sale of the bo...

Research Papers, Lincoln University

The city of Christchurch, New Zealand, was until very recently a “Junior England”—a small city that still bore the strong imprint of nineteenth-century British colonization, alongside a growing interest in the underlying biophysical setting and the indigenous pre-European landscape. All of this has changed as the city has been subjected to a devastating series of earthquakes, beginning in September 2010, and still continuing, with over 12,000 aftershocks recorded. One of these aftershocks, on February 22, 2011, was very close to the city center and very shallow with disastrous consequences, including a death toll of 185. Many buildings collapsed, and many more need to be demolished for safety purposes, meaning that over 80 percent of the central city will have gone. Tied up with this is the city’s precious heritage—its buildings and parks, rivers, and trees. The threats to heritage throw debates over economics and emotion into sharp relief. A number of nostalgic positions emerge from the dust and rubble, and in one form is a reverse-amnesia—an insistence of the past in the present. Individuals can respond to nostalgia in very different ways, at one extreme become mired in it and unable to move on, and at the other, dismissive of nostalgia as a luxury in the face of more pressing crises. The range of positions on nostalgia represent the complexity of heritage debates, attachment, and identity—and the ways in which disasters amplify the ongoing discourse on approaches to conservation and the value of historic landscapes.