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Articles, Christchurch uncovered

Here in New Zealand, we like to think ourselves as a nation of outdoor enthusiasts, always off tramping, kayaking, mountain biking, etc. But it wasn’t always thus. Our love affair with the outdoors began in the mid-late 19th century and was … Continue reading →

Articles, Christchurch uncovered

Today we’re going back to Christchurch’s hinterland, this time to Kura Tāwhiti/Castle Hill, a place that’s still an important and valued part of the city’s surrounds. But in the interests of full disclosure, I feel like I should let you … Continue reading →

Articles, Christchurch uncovered

One of the most interesting things about being an archaeologist or a historian is seeing the development of ideas and knowledge throughout the ages. We are reminded, time and time again, that the ideas and theories that we consider primitive … Continue reading →

Articles, Christchurch uncovered

He is bed maker to the dead. The pillows which he lays never rumple. The day of interment is the theatre in which he displays the mysteries of this art. Thomas Lamb 1811.   Nothing in this would can be … Continue reading →

Articles, Christchurch uncovered

Call us appraisalists, historical researchers, or even cyber archaeologists. Most of our day consists of using a wide variety of historical material to pull together the histories of sites around Canterbury (and to make sure those archaeologists in the field … Continue reading →

Articles, Christchurch uncovered

It is interesting to consider how we are influenced by an intangible map of our senses and emotions tied to our place in the world. We pay little attention to how we feel walking around a familiar neighbourhood, looking at … Continue reading →

Articles, Christchurch uncovered

Following on from last week’s blog post, when we discovered a tea set used by a local 19th century caterer – this time we will take a closer look at what catering may have been like for the Victorians. Prior … Continue reading →

Articles, Christchurch uncovered

As life-changing experiences go, the earthquake on 22 February 2011 was fairly significant. On the one hand, our house was red-zoned (but still liveable), friends lost their lives and the city lost many of the old buildings that, for me, … Continue reading →

Articles, Christchurch uncovered

Some of you might have been to the St James Conservation Area, a remote and beautiful area managed by the Department of Conservation. You might have been cycling or walking there, or you might have been drawn by the romance … Continue reading →

Articles, Christchurch uncovered

In the beginning there was no Te Wai Pounamu or Aotearoa. The waters of Kiwa rolled over the place now occupied by the South Island, the North Island and Stewart Island. No sign of land existed. Before Raki (the Sky … Continue reading →

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.

Articles, Christchurch uncovered

Sometimes we come across such a spectacular artefact, that we are inspired to look a little deeper into the historical industry from which it was used. The discovery of a charcoal clothes iron got me thinking about the domestic lives … Continue reading →

Images, eqnz.chch.2010

20161112_9961_7D2-70 The future face of Christchurch? Cultivate Christchurch is operating this urban farm in the city, about 5-10 minutes walk to Cathedral Square. Many of the buildings in this area were demolished after the earhquakes, and in the background is a new building on Kilmore Street.

Research papers, University of Canterbury Library

The 2010-2011 Canterbury Earthquakes brought devastation to the city of Christchurch and has irrevocably affected the lives of the city’s residents. Years after the conclusion of these earthquakes, Christchurch and its residents are well on the path to recovery. Crime has proven an ongoing topic of discussion throughout this period, with news reports of increased burglary and arson in areas left largely abandoned by earthquake damage, and a rise in violent crime in suburban areas of Christchurch. Following the body of research that has considered the reaction of crime to natural disasters, this research has sought to comprehensively examine and understand the effects that the Canterbury Earthquakes had on crime. Examining Christchurch-wide offending, crime rates fell over the study period (July 2008 to June 2013), with the exception of domestic violence. Aside from a momentary increase in burglary in the days immediately following the Christchurch Earthquake, crime rates (as of 2013) have remained largely below pre-earthquake levels. Using Dual Kernel Density Estimation Analysis, a distinct spatial change in pre-earthquake crime hotspots was observed. These changes included an enormous decrease in central city offences, a rise in burglary in the eastern suburbs, and an increase in assault in areas outside of the central city. Logistic regression analysis, using a time-compensated dependent variable, identified a number of statistically-significant relationships between per CAU crime rate change and factors measuring socio-demographic characteristics, community cohesion, and the severity of disaster effects. The significance of these findings was discussed using elements of Social Disorganisation Theory, Routine Activity Theory, and Strain Theory. Consistent with past findings, social order was largely maintained following the Canterbury Earthquakes, with suggestion that increased collective efficacy and therapeutic communities had a negative influence on crime in the post-earthquake period. Areas of increased burglary and assault were associated with large population decreases, suggesting a link with the dissolution of communities and the removal of their inherent informal guardianship. Though observed, the increase in domestic violence was not associated with most neighbourhood-level variables. Trends in crime after the Canterbury Earthquakes were largely consistent with past research, and the media’s portrayal.

Research papers, The University of Auckland Library

The majority of current procedures used to deduce liquefaction potential of soils rely on empirical methods. These methods have been proven to work in the past, but these methods are known to overestimate the liquefaction potential in certain regions of Christchurch due to a whole range of factors, and the theoretical basis behind these methods cannot be explained scientifically. Critical state soil mechanics theory was chosen to provide an explanation for the soil's behaviour during the undrained shearing. Soils from two sites in Christchurch were characterised at regular intervals for the critical layers and tested for the critical state lines (CSL). Various models and relationships were then used to predict the CSL and compared with the actual CSL. However none of the methods used managed to predict the CSL accurately, and a separate Christchurch exclusive relationship was proposed. The resultant state parameter values could be obtained from shear-wave velocity plots and were then developed into cyclic resistance ratios (CRR). These were subsequently compared with cyclic stress ratios (CSR) from recent Christchurch earthquakes to obtain the factor of safety. This CSL-based approach was compared with other empirical methods and was shown to yield a favourable relationship with visual observations at the sites' locations following the earthquake.