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Images for 2013; more images...

Images, UC QuakeStudies

A photograph tied to the security fence around Riccarton House. The photographer comments, "There were photographs all along the line of the fence - I assume it was some sort of art exhibition, but I couldn't see any signs, or information on the artist(s)".

Images, UC QuakeStudies

A photograph tied to the security fence around Riccarton House. The photographer comments, "There were photographs all along the line of the fence - I assume it was some sort of art exhibition, but I couldn't see any signs, or information on the artist(s)".

Images, UC QuakeStudies

Food cabinets in Man's Bakery and Cafe on Hereford Street. Food abandoned on 22 February 2011 can still be seen inside. The photographer comments, "It's a bit scary how fresh those biscuits still look - says something about the amount of preservatives we put in our food".

Images, UC QuakeStudies

A photograph of an All Right? corflute sign decorating a cordon fence in front of the Bridge of Remembrance. The sign features an image from phase 2 of the All Right? campaign, which sought to promote the 'Five Ways To Wellbeing' by asking simple, open-ended questions related to wellbeing. All Right? posted the photograph on their Facebook page on 1 November 2013 at 10.54am.

Articles, UC QuakeStudies

A PDF copy of an advertisement for the All Right? 'Compliments' campaign that appeared in The Christchurch Star on 7 December 2013. The advertisement reads, "You're lovelier than the summer sun in Hagley Park. Canterbury's been through a lot. Let's remember it's often the simple things that bring the most joy." The advertisement also includes the web address of the All Right? Facebook page.

Images, UC QuakeStudies

A photograph of Jonathan Hall, Marie Hudson, and Jenny Cooper in Crack'd for Christchurch's workshop.Crack'd for Christchurch comments, "It is August 2013, two and a half years since the big quake. We have a plan, we have a tiny bit of funding, and we have commissioned the chair framework. From left: Jenny Cooper, Marie Hudson, and Jonathan Hall (chair engineer of Greening the Rubble)."

Research papers, The University of Auckland Library

The connections between walls of unreinforced masonry (URM) buildings and flexible timber diaphragms are critical building components that must perform adequately before desirable earthquake response of URM buildings may be achieved. Field observations made during the initial reconnaissance and the subsequent damage surveys of clay brick URM buildings following the 2010/2011 Canterbury, New Zealand earthquakes revealed numerous cases where anchor connections joining masonry walls or parapets with roof or floor diaphragms appeared to have failed prematurely. These observations were more frequent for adhesive anchor connections than for through-bolt connections (i.e. anchorages having plates on the exterior façade of the masonry walls). Subsequently, an in-field test program was undertaken in an attempt to evaluate the performance of adhesive anchor connections between unreinforced clay brick URM walls and roof or floor diaphragm. The study consisted of a total of almost 400 anchor tests conducted in eleven existing URM buildings located in Christchurch, Whanganui and Auckland. Specific objectives of the study included the identification of failure modes of adhesive anchors in existing URM walls and the influence of the following variables on anchor load-displacement response: adhesive type, strength of the masonry materials (brick and mortar), anchor embedment depth, anchor rod diameter, overburden level, anchor rod type, quality of installation and the use of metal mesh sleeve. In addition, the comparative performance of bent anchors (installed at an angle of minimum 22.5o to the perpendicular projection from the wall surface) and anchors positioned horizontally was investigated. Observations on the performance of wall-to-diaphragm connections in the 2010/2011 Canterbury earthquakes, a snapshot of the performed experimental program and the test results and a preliminary proposed pull-out capacity of adhesive anchors are presented herein. http://www.confer.co.nz/nzsee/ VoR - Version of Record

Research papers, The University of Auckland Library

Seismic retrofitting of unreinforced masonry buildings using posttensioning has been the topic of many recent experimental research projects. However, the performance of such retrofit designs in actual design level earthquakes has previously been poorly documented. In 1984 two stone masonry buildings within The Arts Centre of Christchurch received posttensioned seismic retrofits, which were subsequently subjected to design level seismic loads during the 2010/2011 Canterbury earthquake sequence. These 26 year old retrofits were part of a global scheme to strengthen and secure the historic building complex and were subject to considerable budgetary constraints. Given the limited resources available at the time of construction and the current degraded state of the steel posttension tendons, the posttensioned retrofits performed well in preventing major damage to the overall structure of the two buildings in the Canterbury earthquakes. When compared to other similar unretrofitted structures within The Arts Centre, it is demonstrated that the posttensioning significantly improved the in-plane and out-of-plane wall strength and the ability to limit residual wall displacements. The history of The Arts Centre buildings and the details of the Canterbury earthquakes is discussed, followed by examination of the performance of the posttension retrofits and the suitability of this technique for future retrofitting of other historic unreinforced masonry buildings. http://www.aees.org.au/downloads/conference-papers/2013-2/

Images, UC QuakeStudies

A photograph of Mike Hewson's artwork, 'Deconstruction', on the walkway between Ballantyne's and the former bus exchange building. The photograph is taken from an angle such that the artwork gives the illusion that the walkway is transparent.