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Images, eqnz.chch.2010

Photos taken in Lyttelton showing the demolition of various buildings following the February 22 earthquake. File reference: CCL-2011-05-20-Lyttelton-Demolition-P1120461 From the collection of Christchurch City Libraries.

Research papers, University of Canterbury Library

There is an increasing recognition that the seismic performance of buildings will be affected by the behaviour of both structural and non-structural elements. In light of this, work has been progressing at the University of Canterbury to develop guidelines for the seismic assessment of commercial glazing systems. This paper reviews the seismic assessment guidelines prescribed in Section C10 of the MBIE building assessment guidelines. Subsequently, the C10 approach is used to assess the drift capacity of a number of glazing units recently tested at the University of Canterbury. Comparing the predicted and observed drift capacities, it would appear that the C10 guidelines may lead to nonconservative estimates of drift capacity. Furthermore, the experimental results indicate that watertightness may be lost at very low drift demands, suggesting that guidance for the assessment of serviceability performance would also be beneficial. As such, it is proposed that improved guidance be provided to assist engineers in considering the possible impact that glazing could have on the structural response of a building in a large earthquake.

Images, Alexander Turnbull Library

Four cartoons in the same frame commenting on news and happenings in the week ending 15 December 2011. The cartoons refer to the expulsion of the controversial Member of Parliament, Brendan Horan, from the New Zealand First Party by its leader, Winston Peters; the stereotyping of New Zealand as being 'Middle Earth' following the filming of 'The Hobbit', punned as 'The Habbit'; the lax attitude to building design and standards, which led to the CTV Building disaster in the Christchurch earthquake; the news about the New Zealand SPCA teaching dogs to drive. Quantity: 1 digital cartoon(s).

Research papers, The University of Auckland Library

Two days after the 22 February 2011 M6.3 earthquake in Christchurch, New Zealand, three of the authors conducted a transect of the central city, with the goal of deriving an estimate of building damage levels. Although smaller in magnitude than the M7.1 4 September 2010 Darfield earthquake, the ground accelerations, ground deformation and damage levels in Christchurch central city were more severe in February 2011, and the central city was closed down to the general public. Written and photographic notes of 295 buildings were taken, including construction type, damage level, and whether the building would likely need to be demolished. The results of the transect compared favourably to Civil Defence rapid assessments made over the following month. Now, more than one year and two major aftershocks after the February 2011 earthquake these initial estimates are compared to the current demolition status to provide an updated understanding of the state of central Christchurch.

Articles, Christchurch uncovered

The challenge for this week’s blog was to consider class and buildings – more specifically: houses. When I decided to write this post, I thought it’d be relatively straightforward – I have a really interesting house to tell you about, … Continue reading →

Articles, Christchurch uncovered

We’re taking a short break between perfume posts this week and veering off in another direction entirely to present you with a photographic essay on one of the historic buildings we’ve recorded recently (but never fear, we’ll be back on … Continue reading →

Other, National Library of New Zealand

Provides a map, the geological background, describes the effects, both in Christchurch and its surrounding areas, the damage to notable buildings, the financial exposure, the emergency response and relief efforts and the media coverage of the earthquake.

Images, UC QuakeStudies

A photograph looking down Manchester Street towards the Excelsior Sports Bar. A crowd of people have gathered at the intersection of Manchester and High Streets after evacuating their buildings during the 22 February 2011 earthquake.

Images, UC QuakeStudies

A photograph looking south down Manchester Street taken shortly after the 22 February 2011 earthquake. A crowd of people have gathered on the road. A brick building to the right has partially collapsed, rubble spilling onto the street.

Images, UC QuakeStudies

A photograph of workers searching for survivors in the collapsed stores along Manchester Street shortly after the 22 February 2011 earthquake. An excavator can be seen helping to remove rubble from the site.

Images, UC QuakeStudies

A photograph of a earthquake damaged building on Tuam Street taken shortly after the 22 February 2011 earthquake. Bricks from the top of the façade have crumbled, falling into the street below and crushing some parked cars.

Images, UC QuakeStudies

A photograph of workers searching for survivors in the collapsed stores along Manchester Street shortly after the 22 February 2011 earthquake. An excavator can be seen helping to remove rubble from the site.

Images, UC QuakeStudies

A photograph of the damaged Provincial Council Chambers on Durham Street. The building's roof and walls have collapsed, as has the scaffolding which was erected to repair it after the 4 September 2010 earthquake.