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Images, UC QuakeStudies

A view down London Street in Lyttelton. The road has been closed to traffic because of the unstable and damaged buildings in the area. On the left is the Empire Hotel where bracing has been placed on the front of the building. On the right is a shipping container in front of the damaged Wunderbar. The word 'coffee' has been spray painted on the side.

Images, UC QuakeStudies

A photograph of the earthquake damage to the Edward Gibbon building on Madras Street. Sections of the top storey have collapsed and the bricks have spilled onto the road in front, damaging the awning and smashing several cars. The message, 'Clear', has been spray-painted on the closest car.

Images, UC QuakeStudies

Damaged buildings along London Street. Wire fencing has been used to keep people away. To the left is the Volcano Cafe, centre the Lava Bar and on the right is a fish and chip shop. A pile of rubble lies on the street from the damaged buildings.

Research papers, University of Canterbury Library

The 2010-2011 Christchurch earthquakes generated damage in several Reinforced Concrete (RC) buildings, which had RC walls as the principal resistant element against earthquake demand. Despite the agreement between structural engineers and researchers in an overall successfully performance there was a lack of knowledge about the behaviour of the damaged structures, and even deeper about a repaired structure, which triggers arguments between different parties that remains up to these days. Then, it is necessary to understand the capacity of the buildings after the earthquake and see how simple repairs techniques improve the building performance. This study will assess the residual capacity of ductile slender RC walls according to current standards in New Zealand, NZS 3101.1 2006 A3. First, a Repaired RC walls Database is created trying to gather previous studies and to evaluate them with existing international guidelines. Then, an archetype building is designed, and the wall is extracted and scaled. Four half-scale walls were designed and will be constructed and tested at the Structures Testing Laboratory at The University of Auckland. The overall dimensions are 3 [m] height, 2 [m] length and 0.175 [m] thick. All four walls will be identical, with differences in the loading protocol and the presence or absence of a repair technique. Results are going to be useful to assess the residual capacity of a damaged wall compare to the original behaviour and also the repaired capacity of walls with simpler repair techniques. The expected behaviour is focussed on big changes in stiffness, more evident than in previously tested RC beams found in the literature.

Images, UC QuakeStudies

A photograph taken from a cleared site between Struthers Lane and Lichfield Street, of damaged buildings and vacant building sites across the road on Lichfield Street. In the distance are High Street buildings and the old Post Office building (now housing C1 Espresso).

Images, UC QuakeStudies

A damaged building on Riccarton Road near Deans Avenue. The front wall of the building has crumbled onto the footpath in front. Wire fencing and road cones have been placed around the building as a cordon. Flowers on the fence suggest that somebody lost their life in this building.

Images, UC QuakeStudies

A photograph taken from a cleared site between Struthers Lane and Lichfield Street, of damaged buildings and vacant building sites across the road on Lichfield Street. High Street buildings and the old Post Office building (now housing C1 Espresso) can be seen in the distance.

Images, UC QuakeStudies

A photograph taken from a cleared site between Struthers Lane and Lichfield Street, of damaged buildings and vacant building sites across the road on Lichfield Street. In the distance are High Street buildings and the old Post Office building (now housing C1 Espresso).