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Images, UC QuakeStudies

Steel bracing on the front of the Worcester Street face of the Octagon Live Restaurant (formerly Trinity Church), which is being repaired. The scaffolding has been decorated with sculptures of people kayaking, cycling, climbing and bungee jumping. Some of the figures are wearing santa hats. A fence has been constructed at the base of the building.

Images, UC QuakeStudies

A faded yellow sticker stuck to the window of a house on Avonside Drive. It has been issued by the Christchurch City Council and reads, "Restricted Use. No entry except on essential business. Warning: This building has been damaged and its structural safety is questionable. Enter only at own risk. Subsequent aftershocks or other events may result in increased damage and danger, changing this assessment. Re-inspection may be required. The damage observed from external inspection is as described below." It goes on to set out the conditions for entry to the building and information about the inspector. The sign is so faded that the handwritten information is almost illegible.

Images, UC QuakeStudies

A section of footpath outside a property on Robson Avenue in Avonside from which the pavement has been removed due to damage from the 4 September 2010 earthquake. The lid of a buried septic tank can be seen in front of the property's front lawn. These tanks were installed in front of Avonside properties to allow residents to use their toilets after the September earthquake.

Images, UC QuakeStudies

Scaffolding that has been constructed on the Manchester Street face of the Octagon Live Restaurant (formerly Trinity Church), which is being repaired. Masonry has fallen from one of the building's gables, and the resultant gap has been weather proofed with plywood and a tarpaulin. The site has been enclosed in a safety fence that cuts off one lane of the road.

Research papers, The University of Auckland Library

This paper presents preliminary field observations on the performance of selected steel structures in Christchurch during the earthquake series of 2010 to 2011. This comprises 6 damaging earthquakes, on 4 September and 26 December 2010, February 22, June 6 and two on June 13, 2011. Most notable of these was the 4 September event, at Ms7.1 and MM7 (MM as observed in the Christchurch CBD) and most intense was the 22 February event at Ms6.3 and MM9-10 within the CBD. Focus is on performance of concentrically braced frames, eccentrically braced frames, moment resisting frames and industrial storage racks. With a few notable exceptions, steel structures performed well during this earthquake series, to the extent that inelastic deformations were less than what would have been expected given the severity of the recorded strong motions. Some hypotheses are formulated to explain this satisfactory performance. http://db.nzsee.org.nz/SpecialIssue/44%284%290297.pdf