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Images for green; more images...

Images, UC QuakeStudies

A photograph of the crowd at the launch of the Green Room on Colombo Street.Crack'd for Christchurch comments, "Before the speeches. The Green Room is on Colombo Street in the centre of the rebuild, with vacant lots surrounding it. We wanted it to be an oasis of calm and hope for Christchurch people. It is only a temporary site."

Images, UC QuakeStudies

A photograph of the crowd at the launch of the Green Room on Colombo Street.Crack'd for Christchurch comments, "Before the speeches. The Green Room is on Colombo Street in the centre of the rebuild, with vacant lots surrounding it. We wanted it to be an oasis of calm and hope for Christchurch people. It is only a temporary site."

Images, UC QuakeStudies

A photograph of Sarah Campagnolo, Project Co-ordinator for Greening the Rubble, speaking at the opening of the Green Room garden. In the background, members of Crack'd for Christchurch have gathered around their armchair and ottoman artworks. The artworks are wrapped in white sheets and tied with a bow. They will be unveiled for the first time during the launch. To the right, a camera operator from One News is filming the speech.

Images, UC QuakeStudies

A photograph of Helen Campbell sitting on Crack'd for Christchurch's armchair artwork. The artwork had just been unveiled during the launch of the Green Room garden on Colombo Street.Crack'd for Christchurch comments, "Helen enjoying a well-deserved rest."

Images, UC QuakeStudies

A photograph of the members of Crack'd for Christchurch gathered on and around their armchair and ottoman artworks. The artworks have just been unveiled during the launch of the Green Room garden on Colombo Street.Crack'd for Christchurch comments, "Everyone enjoying the chair."

Images, UC QuakeStudies

A photograph of the members of Crack'd for Christchurch during the launch of the Green Room garden. The members have gathered next to their armchair and ottoman artwork in the garden. The armchair and ottoman are covered in white sheets and tied with a blue bow. They will be unveiled for the first time during the launch.

Images, UC QuakeStudies

A photograph of members of the public examining Crack'd for Christchurch's armchair mosaic. The armchair and ottoman artworks have just been unveiled during the launch of the Green Room garden on Colombo Street. In the foreground are several members of Crack'd for Christchurch. A camera operator from One News is also filming the event.

Images, UC QuakeStudies

A photograph of a TVNZ camera operator filming the members of Crack'd for Christchurch during the launch of the Green Room garden. The members have gathered around their armchair and ottoman artwork. The armchair and ottoman are covered in white sheets and tied with a blue bow. They will be unveiled for the first time during the launch.Crack'd for Christchurch comments, "The whole team together."

Images, Canterbury Museum

One green and yellow soft sculpture kakapo with wire feet, stuffed body and black plastic eyes. Has an attached card naming the bird Little Ra and explaining it is part of the 'Journey - The Kakapo of Christchurch' project by artist Sayraphim Lothian.

Videos, UC QuakeStudies

A video of an address by Alex Cutler, CEO of the New Zealand Green Building Council, at the 2014 Seismics and the City forum. This talk was part of the Building Communities section and explored the extent to which the new city core will be a 'government-flavoured doughnut', the key issues with this concept, and the possible solutions.

Research papers, University of Canterbury Library

Using case studies from the 2010-2011 Canterbury, New Zealand earthquake sequence, this study assesses the accuracies of paleoliquefaction back-analysis methods and explores the challenges, techniques, and uncertainties associated with their application. While liquefaction-based back-analyses have been widely used to estimate the magnitudes of paleoearthquakes, their uncertain efficacies continue to significantly affect the computed seismic hazard in regions where they are relied upon. Accordingly, their performance is evaluated herein using liquefaction data from modern earthquakes with known magnitudes. It is shown that when the earthquake source location and mechanism are known, back-analysis methods are capable of accurately deriving seismic parameters from liquefaction evidence. However, because the source location and mechanism are often unknown in paleoseismic studies, and because accurate interpretation is shown to be more difficult in such cases, new analysis techniques are proposed herein. An objective parameter is proposed to geospatially assess the likelihood of any provisional source location, enabling an analyst to more accurately estimate the magnitude of a liquefaction-inducing paleoearthquake. This study demonstrates the application of back-analysis methods, provides insight into their potential accuracies, and provides a framework for performing paleoliquefaction analyses worldwide.

Research papers, Victoria University of Wellington

Christchurch was struck by a 6.3 magnitude earthquake on the 22 February 2011. The quake devastated the city, taking lives and causing widespread damage to the inner city and suburban homes. The central city lost over half its buildings and over 7000 homes were condemned throughout Christchurch. The loss of such a great number of homes has created the requirement for new housing to replace those that were lost. Many of which were located in the eastern, less affluent, suburbs.  The response to the housing shortage is the planned creation of large scale subdivisions on the outskirts of the city. Whilst this provides the required housing it creates additional sprawl to a city that does not need it. The extension of Christchurch’s existing suburban sprawl puts pressure on roading and pushes residents further out of the city, creating a disconnection between them.  Christchurch’s central city had a very small residential population prior to the earthquakes with very few options for dense inner city living. The proposed rebuild of the inner city calls for a new ‘dense, vibrant and diverse central hub’. Proposing the introduction of new residential units within the central city. However the placement of the low-rise housing in a key attribute of the rebuild, the eastern green ‘Frame’, diminishes its value as open green space. The proposed housing will also be restrictive in its target market and therefore the idea of a ‘vibrant’ inner city is difficult to achieve.  This thesis acts as response to the planned rebuild of inner Christchurch. Proposing the creation of a model for inner city housing which provides an alternative option to the proposed housing and existing and ongoing suburban sprawl. The design options were explored through a design-led process were the options were critiqued and developed.  The ‘final’ proposal is comprises of three tall towers, aptly named the Triple Towers, which condense the proposed low-rise housing from an 11000 square metre footprint to combined footprint of 1500 square metres. The result is an expansion of the publicly available green space along the proposed eastern frame of the city. The height of the project challenges the height restrictions and is provocative in its proposal and placement. The design explores the relationships between the occupants, the building, the ‘Frame’ and the central city.  The project is discussed through an exploration of the architecture of Rem Koolhaas, Renzo Piano and Oscar Niemeyer. Rather than their architecture being taken as a direct influence on which the design is based the discussion revolves around how and why each piece of comparative architecture is relevant to the designs desired outcome.

Research papers, University of Canterbury Library

The 2010–2011 Canterbury earthquake sequence began with the 4 September 2010, Mw7.1 Darfield earthquake and includes up to ten events that induced liquefaction. Most notably, widespread liquefaction was induced by the Darfield and Mw6.2 Christchurch earthquakes. The combination of well-documented liquefaction response during multiple events, densely recorded ground motions for the events, and detailed subsurface characterization provides an unprecedented opportunity to add well-documented case histories to the liquefaction database. This paper presents and applies 50 high-quality cone penetration test (CPT) liquefaction case histories to evaluate three commonly used, deterministic, CPT-based simplified liquefaction evaluation procedures. While all the procedures predicted the majority of the cases correctly, the procedure proposed by Idriss and Boulanger (2008) results in the lowest error index for the case histories analyzed, thus indicating better predictions of the observed liquefaction response.

Research papers, University of Canterbury Library

The majority of Christchurch’s stormwater has historically been discharged untreated directly into urban surface waterways. These receiving waterways have become adversely affected by the contaminants carried in the stormwater, particularly sediment and heavy metals. An event-based contaminant load model was developed to identify the distribution and magnitude of contaminant loads entering the waterway, as well as to assess the reduction in TSS and heavy metal loads that can be achieved by various stormwater management options. The GIS-Excel based model estimates contaminant loads from an individual storm event based on different contributing impervious surfaces and key rainfall characteristics (rainfall intensity, duration, pH and antecedent dry days). It then calculates contaminant reduction loads that could be achieved through source reduction (e.g. green roofs, repainting) as well as from treatment (e.g. raingardens, wet ponds) applied to different surfaces within the catchment. This model differs from other annual load models as it is event-based and accounts for storm characteristics in its calculation of contaminant loads. Christchurch is a valuable case setting due the unique opportunity for retrofitting improved stormwater management in the post-earthquake rebuild. It is anticipated that this modelling approach could later be adapted for use in other urban settings outside of Christchurch.

Research papers, University of Canterbury Library

The 2010 and 2011 earthquakes in the region of Canterbury, New Zealand caused widespread damage and the deaths of 185 people. Suburbs on the eastern side of Christchurch and in the satellite town of Kaiapoi, 20 kilometres north of Christchurch, were badly damaged by liquefaction. The Canterbury Earthquake Recovery Authority (CERA), a government organisation set up in the wake of the earthquakes, began to systematically zone all residential land in 2011. Based on the possibility for land remediation, 7860 houses in Christchurch and Kaiapoi were zoned red. Those who were in this zone were compensated and had to buy or build elsewhere. The other zone examined within this research – that of TC3 – lies within the green zone. Residents, in this zone, were able to stay in their houses but land was moderately damaged and required site-specific geotechnical investigations. This research sought to understand how residents’ senses of home were impacted by a disaster and the response efforts. Focusing on the TC3 and red zone of the eastern suburbs and the satellite town of Kaiapoi, this study interviewed 29 residents within these zones. The concept of home was explored with the respondents at three scales: home as a household; home as a community; and home as a city. There was a large amount of resistance to the zoning process and the handling of claims by insurance companies and the Earthquake Commission (EQC) after the earthquakes. Lack of transparency and communication, as well as extremely slow timelines were all documented as failings of these agencies. This research seeks to understand how participant’s sense of home changed on an individual level and how it was impacted by outside agencies. Homemaking techniques were also focused on showing that a changed sense of home will impact on how a person interacts with a space.