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Research papers, University of Canterbury Library

Data from the 2010-2011 Canterbury earthquake sequence (CES) provides an unprecedented opportunity to assess and advance the current state of practice for evaluating liquefaction triggering. Towards this end, select case histories from the CES are used herein to assess the predictive capabilities of three alternative CPT-based simplified liquefaction evaluation procedures: Robertson and Wride (1998); Moss et al. (2006); and Idriss and Boulanger (2008). Additionally, the Liquefaction Potential Index (LPI) framework for predicting the severity of surficial liquefaction manifestations is also used to assess the predictive capabilities of the liquefaction evaluation procedures. Although it is not without limitations, use of the LPI framework for this purpose circumvents the need for selecting “critical” layers and their representative properties for study sites, which inherently involves subjectivity and thus has been a point of contention among researchers. It was found that while all the assessed liquefaction triggering evaluation procedures performed well for the parameter ranges of the sites analyzed, the procedure proposed by Idriss and Boulanger (2008) yielded predictions that are more consistent with field observations than the other procedures. However, use of the Idriss and Boulanger (2008) procedure in conjunction with a Christchurch-specific correlation to estimate fines content showed a decreased performance relative to using a generic fines content correlation. As a result, the fines correction for the Idriss and Boulanger (2008) procedure needs further study.

Research papers, University of Canterbury Library

As the future of the world’s oil reserves becomes progressively more uncertain, it is becoming increasingly important that steps are taken to ensure that there are viable, attractive alternatives to travel by private motor vehicle. As with many of New Zealand’s major urban centres, Christchurch is still exceptionally reliant on private motor vehicles; although a significant proportion of the population indicate that they would like to cycle more, cycling is still an underutilised mode of transport. Following a series of fatal earthquakes that struck the city in 2010 and 2011, there has been the need to significantly redevelop much of the city’s horizontal infrastructure – subsequently providing the perfect platform for significant changes to be made to the road network. Many of the key planning frameworks governing the rebuild process have identified the need to improve Christchurch’s cycling facilities in order to boost cycling numbers and cyclist safety. The importance of considering future growth and travel patterns when planning for transport infrastructure has been highlighted extensively throughout literature. Accordingly, this study sought to identify areas where future cycle infrastructure development would be advantageous based on a number of population and employment projections, and likely future travel patterns throughout the city. Through the use of extensive GIS analysis, future population growth, employment and travel patterns for Christchurch city were examined in order to attain an understanding of where the current proposed major cycleways network could be improved, or extended. A range of data and network analysis were used to derive likely travel patterns throughout Christchurch in 2041. Trips were derived twice, once with a focus on simply finding the shortest route between each origin and destination, and then again with a focus on cyclist safety and areas where cyclists were unlikely to travel. It was found that although the proposed major cycleways network represents a significant step towards improving the cycling environment in Christchurch, there are areas of the city that will not be well serviced by the current proposed network in 2041. These include a number of key residential growth areas such as Halswell, Belfast and Prestons, along with a number of noteworthy key travel zones, particularly in areas close to the central city and key employment areas. Using network analysis, areas where improvements or extensions to the proposed network would be most beneficial were identified, and a number of potential extensions in a variety of areas throughout the city were added to the network of cycle ways. Although it has been found that filling small gaps in the network can have considerable positive outcomes, results from the prioritisation analysis suggested that initially in Christchurch demand is likely to be for more substantial extensions to the proposed major cycleways network.

Articles, UC QuakeStudies

An entry from Naomi Ferguson's blog, 'Postcards from a flatland'. The entry for 21 February 2012 is entitled, 'Remembering'. Note that the blog post has been converted to PDF format for archiving, which may have resulted in changes to the formatting and layout of the page, and a video of the song 'Remember' which was embedded in the post has been removed for display reasons.

Articles, Christchurch uncovered

Presenting a selection of children’s ceramic plates and cups excavated in Christchurch for your perusal, with commentary. Jessie Garland References Riley, Noel., 1991. Gifts for Good Children: The History of Children’s China, Part 1, 1790-1890. Richard Dennis, Somerset.

Images, Alexander Turnbull Library

A play on rhyming words 'whacked' for terrorist Osama bin Laden who has been killed in a Pakistan village, 'hacked' for 'Sony' after massive hack attacks on three separate gaming systems it runs, 's'ACT' with Rodney Hide who has been ousted as ACT leader by former National leader Don Brash, 'wracked' for Christchurch because of the earthquakes, 'blacked' to describe a $5 bottle of milk, 'smacked' for Glenfield, hit by a tornado, 'jacked' for petrol prices and 'quacked' for a duck in the duck-shooting season. Colour and black and white versions available Quantity: 2 digital cartoon(s).

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Teeing off: Storeman Wayne Smith at the 12th hole of the Contact Wairakei Charity Golf Tournament for the Canterbury Earthquake Relief Fund. Held earlier this month, the tournament raised more than $8000 for the Canterbury Earthquake Relief Fund. In total more than $30,000 was raised for three charities at this year's annual tournament held at the Taupo Golf Club. As well as the $8200 raised for the Canterbury Earthquake Recovery Fund, two local charities Taupo Big Brother Big Sister and the Taupo Therapy Centre, each received $11,000 each from this year's fundraising effort".

Research papers, University of Canterbury Library

Since September 2010 Christchurch, New Zealand, has experienced a number of significant earthquakes. In addition to loss of life, this has resulted in significant destruction to infrastructure, including road corridors; and buildings, especially in the central city, where it has been estimated that 60% of buildings will need to be rebuilt. The rebuild and renewal of Christchurch has initially focused on the central city under the direction of the Christchurch City Council. This has seen the development of a draft Central City Plan that includes a number of initiatives that should encourage the use of the bicycle as a mode of transport. The rebuild and renewal of the remainder of the city is under the jurisdiction of a specially set up authority, the Christchurch Earthquake Recovery Authority (CERA). CERA reports to an appointed Minister for Canterbury Earthquake Recovery, who is responsible for coordinating the planning, spending, and actual rebuilding work needed for the recovery. Their plans for the renewal and rebuild of the remainder of the city are not yet known. This presentation will examine the potential role of the bicycle as a mode of transport in a rebuilt Christchurch. The presentation will start by describing the nature of damage to Christchurch as a result of the 2010 and 2011 earthquakes. It will then review the Central City Plan (the plan for the rebuild and renewal for central Christchurch) focusing particularly on those aspects that affect the role of the bicycle. The potential for the success of this plan will be assessed. It will specifically reflect on this in light of some recent research in Christchurch that examined the importance of getting infrastructure right if an aim of transport planning is to attract new people to cycle for utilitarian reasons.

Articles, Christchurch uncovered

Class is a complicated concept, historically and in the present day. It’s difficult to define, somewhat ephemeral, and yet so clearly there in our societies and our cultures. For better or for worse, social stratification has been part of human … Continue reading →

Articles, Christchurch uncovered

Recently we’ve been working in Lyttelton at the intersection of Canterbury and Winchester Streets for the installation of a replacement stormwater. While Lyttelton isn’t exactly over the rainbow, for archaeologists it is a pretty fantastic place to discover heritage and … Continue reading →

Other, National Library of New Zealand

Site provides information for the Christchurch suburb of Redcliffs following the Feb. 22 earthquake. Includes information on basic services, local businesses, schools and community help; online request forms for people offering or needing services.

Audio, Radio New Zealand

The new Wellington Venues Limited CEO discusses her ideas for the events scene in the capital, plus the addition of a new Christchurch Artists exhibition in the St James Theatre, which will raise money for artists affected by the earthquake

Articles, Christchurch uncovered

When Edward Gibbon Wakefield developed his theory of colonisation in c.1827 (while imprisoned for abducting a young woman) he envisioned for New Zealand the formation of an idealised English rural society, in which all hard-working labourers could aspire to rural … Continue reading →

Articles, Christchurch uncovered

For some of us, that title may have conjured up childhood memories of making ‘sand-saucer’ gardens for the local flower show or ‘pet and garden’ day at school. But I’ve actually something different in mind. We have found quite a … Continue reading →

Images, eqnz.chch.2010

Now empty and soon to be demolished - sadly for the family and all the customers. Fortunately all plant and stock saved and the search to go on for another suitable space

Audio, Radio New Zealand

Anna Leask has worked for the New Zealand Herald since 2008 and is currently a senior reporter, covering crime and justice for the daily newspaper as well as for the Weekend Herald and Herald on Sunday. Notably she's reported on the re-investigation of Arthur Allan Thomas, 43 years after the double murders for which he served nine years in prison before being pardoned, and the Christchurch 'House of Horrors' murderer Jason Somerville, who killed his wife and buried her under his East Christchurch house a year after doing the same to his neighbour Tisha Lowery. Leask covered the Pike River Mine disaster in 2010, the 2011 Canterbury earthquakes, Fiji's Cyclone Winston in early 2016 and travelled to Gallipoli in 2015 to cover the centenary of the Anzac landings. She won a Canon Media Award for crime and justice reporting in 2014. Her first book, Behind Bars: Real-life stories from inside New Zealand prisons has just been released.

Research papers, University of Canterbury Library

This paper develops representative ground motion ensembles for several major earthquake scenarios in New Zealand. Cases considered include representative ground motions for the occurrence of Alpine, Hope, and Porters Pass earthquakes in Christchurch, and the occurrence of Wellington, Wairarapa, and Ohariu, fault ruptures in Wellington. Challenges in the development of ground motion ensembles for subduction zone earthquakes are also highlighted. The ground motions are selected based on the generalized conditional intensity measure (GCIM) approach, ensuring that the ground motion ensembles represent both the mean, and distribution of ground motion intensity which such scenarios could impose. These scenario-based ground motion sets can be used to complement ground motions which are often selected in conjunction with probabilistic seismic hazard analysis, in order to understand the performance of structures for the question “what if this fault ruptures?”