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Images, UC QuakeStudies

A photograph of Majestic House on the corner of Manchester Street and Lichfield Street. The building has been fenced off and shipping containers are stacked on the road to the left, reinforcing the facade of the neighbouring building.

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/

Research papers, University of Canterbury Library

Damage to ceiling systems resulted in a substantial financial loss to building owners in the Canterbury earthquakes. In some buildings, collapse of ceilings could easily have resulted in severe injury to occupants. This paper summarizes the types of ceiling damage observed in the Canterbury earthquakes, and draws useful lessons from the observed performance of different types of ceiling systems. Existing ceiling manufacturing and installing practices/regulations in New Zealand are critically scrutinized to identify deficiencies, and measures are suggested to improve the practice so that the damage to ceilings and the resulting loss are minimized in future earthquakes.

Images, eqnz.chch.2010

Corner of Cashel and Madras streets, with the relatively new (built 2007) Inland Revenue Building and the white chair memorial to the 185 lives lost as a result of the 22/02/11 earthquake. The chairs sit on the site of the now demolished St Pauls Pacific Chuch and is diagonally across the intersection from the CTV (Canterbury TV) building where ...

Images, UC QuakeStudies

A photograph of Majestic House on the corner of Manchester Street and Lichfield Street. The building has been fenced off and shipping containers are stacked on the road to the left, reinforcing the facade of the neighbouring building.

Articles, Christchurch uncovered

- Thomas Hughes, Tom Brown’s School Days, 1857 It’s hard to picture what many of Christchurch’s buildings looked like before the earthquake. For many locals the torn down remains of a building or an empty lot remind them of a … Continue reading →

Images, UC QuakeStudies

A view down High Street, looking north-west through the cordon fence near the Tuam Street intersection. On the left a line of shipping containers support the facade of a damaged building. Rubble from demolished buildings can be seen in the distance.

Images, UC QuakeStudies

A view down High Street, looking north-west through the cordon fence near the Tuam Street intersection. On the left a line of shipping containers support the facade of a damaged building. Rubble from demolished buildings can be seen in the distance.

Images, UC QuakeStudies

Shands Emporium standing alone on Hereford Street, the buildings on either side of it demolished. The photographer comments, "This lovely old building looks a little more broken every time I see it, after having been exposed to the elements for so long".

Images, UC QuakeStudies

A car park on the corner of Tuam and Colombo Streets replaces the building that was demolished there. On the wall of an adjoining building, a chalkboard mural encourages people to leave their thoughts, with the prompt "I hope Christchurch will...".

Images, UC QuakeStudies

A photograph of damaged buildings and empty site on the corner of Lichfield Street and Madras Street. A mural commissioned by Gap Filler titled 'Knit Happens' has been painted on the brick wall in the corner of the remaining buildings.

Images, UC QuakeStudies

A photograph looking north down Manchester Street. Coloured shipping containers have been stacked in front of the remaining facade of the Excelsior Hotel building on the right and empty building sites on the left are fenced off.

Images, UC QuakeStudies

A photograph of an empty building site on the corner of Lichfield Street and Madras Street. A mural commissioned by Gap Filler titled 'Knit Happens' has been painted on the brick wall in the corner of the remaining buildings.

Images, UC QuakeStudies

A photograph of damaged buildings near the corner of Lichfield Street and Madras Street. A mural commissioned by Gap Filler titled 'Knit Happens' has been painted on the brick wall in the corner of the remaining buildings.

Images, UC QuakeStudies

A "drummer boy" dummy dressed in a hi-vis jacket sits on top of a building on High Street. Written on the back of the building is "Merry Christmas Christchurch Pa Rum Pum Pum Pum". Te Waiponamu House is visible in the background.