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Images, UC QuakeStudies

A photograph of a building on the corner of Victoria Street and Bealey Avenue. Large sections of the building have collapsed and the bricks have spilled onto the footpath below. Scaffolding has been constructed around the rest of the building, blocking it from view. In the foreground steel fencing and road cones have been placed across Victoria Street as a cordon.

Images, UC QuakeStudies

A photograph of a member of an emergency management team in front of a earthquake-damaged building next to Calendar Girls on Hereford Street. The outer wall of the second storey of the building has collapsed, the bricks spilling onto the footpath below. USAR codes have been spray-painted on a window and a column of the building. Codes have also been spray-painted on the front of Calendar Girls.

Images, UC QuakeStudies

A photograph of the earthquake damage to the Kenton Chambers Building on Hereford Street. Large cracks have formed in the columns between the building's windows. A section of the bottom storey has collapsed and the bricks have spilled onto the footpath in front. Steel fences have been placed on the street as a cordon. In the distance there are many other earthquake-damaged buildings.

Images, UC QuakeStudies

A brick house on Centaurus Road with damage to the top left window and "Danger Keep Out" tape around the edge. A yellow sign on the front window indicates that the building should only be entered for "Restricted Use". This means it has faired better than the brick house next door which is red-stickered.

Images, UC QuakeStudies

A photograph of the earthquake damage to the Country Theme store on the corner of Manchester and St Asaph Streets. The brick façade has crumbled in various places, the bricks spilling onto the footpath below. A red sticker on the door indicates that the building is no longer safe to enter.

Images, UC QuakeStudies

A photograph of the earthquake damage to Asko Designs on Victoria Street. The brick wall of the facade has crumbled, and the bricks have fallen to the pavement below, taking the awning with them. Wire fencing and police tape have been placed around the building as a cordon.

Research papers, The University of Auckland Library

This thesis describes the strategies for earthquake strengthening vintage clay bricks unreinforced masonry (URM) buildings. URM buildings are well known to be vulnerable to damage from earthquake-induced lateral forces that may result in partial or full building collapse. The 2010/2011 Canterbury earthquakes are the most recent destructive natural disaster that resulted in the deaths of 185 people. The earthquake events had drawn people’s attention when URM failure and collapse caused about 39 of the fatality. Despite the poor performance of URM buildings during the 2010/2011 Canterbury earthquakes, a number of successful case study buildings were identified and their details research in-depth. In order to discover the successful seismic retrofitting techniques, two case studies of retrofitted historical buildings located in Christchurch, New Zealand i.e. Orion’s URM substations and an iconic Heritage Hotel (aka Old Government Building) was conducted by investigating and evaluating the earthquake performance of the seismic retrofitting technique applied on the buildings prior to the 2010/2011 Canterbury earthquakes and their performance after the earthquakes sequence. The second part of the research reported in this thesis was directed with the primary aim of developing a cost-effective seismic retrofitting technique with minimal interference to the vintage clay-bricks URM buildings. Two retrofitting techniques, (i) near-surface mounted steel wire rope (NSM-SWR) with further investigation on URM wallettes to get deeper understanding the URM in-plane behaviour, and (ii) FRP anchor are reported in this research thesis.

Images, UC QuakeStudies

A photograph of the earthquake damage to Café Valentino on Colombo Street. The façade of the closest section of the building has collapsed and the bricks have spilled onto the awning below. The same section of the awning has broken under the weight of the bricks and is resting against the ground. Bricks and other rubble cover the other sections of the awning and have spilled onto the footpath and street in the distance.