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Articles, Christchurch uncovered

So, that message in a bottle? Well, it turns out it wasn’t the only interesting thing about the site it came from. A fellmongery, German Danes, shoes… read on! First up, the bottle came from under a house built in … Continue reading →

Audio, Radio New Zealand

In this week’s programme we’re featuring evening hymns, and you can hear a setting of Psalm 23 – it’ll be the third in our series so far. We’re also commemorating the Feast Day of German theologian Martin Luther, and the 11th anniversary of the 2011 Christchurch earthquake.

Videos, UC QuakeStudies

A video about tourism in Christchurch. The video includes interviews with tourists Silke Winterfeld and Mathias Rauh from Germany, Paul and Val Bucknell from Melbourne, Matt and Sarah Edwards from the United States of America, Geoff and Barb Wagner from Adelaide. It also includes interviews with walking guide Veronica Shepherd, and Robin McCarthy from Christchurch Tours.

Audio, Radio New Zealand

Highlights from Radio New Zealand National's programmes for the week ending Friday 7th of September. This week......two years after the BIG Earthquake in Christchurch, and the Pike River Mine Disaster, how did the media respond to those events ... Mummies, Cannibals and Vampires; The History of Corpse medicine from the Renaissance to The Victorians ... a primary school project gets back to growing fruit and vegetables ... a Maori carving from A german prisoner of War camp comes back home ... the human side of Google ... and an affectionate look back at Broadcasts To Schools.

Audio, Radio New Zealand

A frantic rewrite was required during the lockdown last year by novellist Janna Ruth, who'd set her novel Time to remember in Christchurch throughout 2020. The book's characters are mainly preoccupied by the 10th anniversary of the September 2010 Canterbury earthquake, but Janna knew she needed to include the pandemic once it took hold. But in fact she'd started working on the novel back in 2005, well before both traumatic events. Janna came to New Zealand from Germany to study geology, and she uses some of her memories from her university years in Time to remember. In it a group of university students bond and bicker, some of them still scarred by the earthquake a decade earlier.

Research papers, University of Canterbury Library

© 2019, Springer-Verlag GmbH Germany, part of Springer Nature. Prediction of building collapse due to significant seismic motion is a principle objective of earthquake engineers, particularly after a major seismic event when the structure is damaged and decisions may need to be made rapidly concerning the safe occupation of a building or surrounding areas. Traditional model-based pushover analyses are effective, but only if the structural properties are well understood, which is not the case after an event when that information is most useful. This paper combines hysteresis loop analysis (HLA) structural health monitoring (SHM) and incremental dynamic analysis (IDA) methods to identify and then analyse collapse capacity and the probability of collapse for a specific structure, at any time, a range of earthquake excitations to ensure robustness. This nonlinear dynamic analysis enables constant updating of building performance predictions following a given and subsequent earthquake events, which can result in difficult to identify deterioration of structural components and their resulting capacity, all of which is far more difficult using static pushover analysis. The combined methods and analysis provide near real-time updating of the collapse fragility curves as events progress, thus quantifying the change of collapse probability or seismic induced losses very soon after an earthquake for decision-making. Thus, this combination of methods enables a novel, higher-resolution analysis of risk that was not previously available. The methods are not computationally expensive and there is no requirement for a validated numerical model, thus providing a relatively simpler means of assessing collapse probability immediately post-event when such speed can provide better information for critical decision-making. Finally, the results also show a clear need to extend the area of SHM toward creating improved predictive models for analysis of subsequent events, where the Christchurch series of 2010–2011 had significant post-event aftershocks.