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Images, UC QuakeStudies

A photograph of the earthquake damage to a building on Gloucester Street. The building is part of Stonehurst Accommodation. The bottom storey of the building has collapsed and the top two storeys are resting on the rubble. The closest wall of the building has also collapsed and is resting on top of the rubble to the right of the building.

Images, UC QuakeStudies

Lyttelton band, Runaround Sue, performing at Gap Filler's "Film in the Gap!" project in Beckenham. Gap Filler have enclosed one side of the site with a fence made of old metal bed heads. The fence has been decorated with fairy lights. Other decorations to the project sight includes the brightly coloured bunting above the audience, which is attached to the wall of Beckenham's Mitre 10.

Images, UC QuakeStudies

A mural on the exposed wall of a building on Peterborough Street. This was a joint project between Gap Filler and the Flying Cup Cafe. The mural is a beach scene with a quote from Anne Frank, reading, "Isn't it wonderful that nobody need waste a single moment to improve the world", and incorporates pre-existing street art and posters.

Images, UC QuakeStudies

A broken window at ground level has building rubble behind it, some of which has been pushed out through the broken glass. The photographer comments, "The alternate title is 'Under Pressure'. A bulldozer must have pushed earthquake debris up against the internal wall not realising there was a glass reinforced window at ground level".

Images, UC QuakeStudies

A photograph of a member of the New Zealand Army talking to a police officer on the corner of Colombo and Wordsworth Street. In the background there is a block of earthquake-damaged shops. Sections of the shops' walls have collapsed and the rubble has spilled onto the road and footpath.

Images, UC QuakeStudies

A photograph of emergency management personnel standing next to an earthquake-damaged house. The wall on the left side of the house has collapsed and the bricks have spilled into the driveway in front. Wooden bracing has been placed in between the house and the fence, with wires connecting the top of the bracing to the peak of the roof.

Images, UC QuakeStudies

A photograph of an office on the side of a Christchurch road. "Danger keep out" has been spray-painted on the front wall. The road in front has been dug up in places and piles of gravel have been placed on the footpath. Road cones and cordon tape have been used to cordon off a large hole in the road.

Images, UC QuakeStudies

A photograph of the earthquake damage to the Provincial Hotel on the corner of Barbadoes and Cashel Streets. The second storey walls have crumbled, and the bricks have fallen onto the ground below. Scaffolding erected in front of the building is now on a lean. Wire fencing has been placed around the building as a cordon.

Images, UC QuakeStudies

A photograph of earthquake-damaged buildings and rubble on Colombo Street near the intersection of St Asaph Street. The walls of the top storey of the buildings to the left have crumbled, and bricks and other rubble have fallen onto the footpath and road below. Wire fencing and police tape have been placed across the street as a cordon.

Images, UC QuakeStudies

A photograph of earthquake-damaged buildings and rubble on Colombo Street near the intersection of St Asaph Street. The walls of the top storey of the buildings to the left have crumbled, and bricks and other rubble have fallen onto the footpath and road below. Wire fencing and police tape have been placed across the street as a cordon.

Images, UC QuakeStudies

A photograph of an earthquake-damaged building on Acton Street. The closest section of the outer wall has collapsed, the bricks and other rubble spilling onto the pavement in front. A boat which was being stored inside has toppled over and is now sticking out of the building. Several cars, also stored inside the building, are visible.

Images, UC QuakeStudies

A photograph of earthquake damage to the Cranmer Centre on the corner of Armagh and Montreal Streets. Large sections of the wall have collapsed, the bricks spilling onto the footpath below. Wire fencing has been placed around the building as a cordon. Scaffolding has been erected up the side of the building to the left.

Images, UC QuakeStudies

A photograph of the earthquake damage to a building on Hereford Street. A column on the right side of the building has snapped and the side wall has pulled away from the building. USAR codes have been spray-painted on one of the windows on the bottom storey. In the foreground there is a police car.

Images, UC QuakeStudies

A photograph of the earthquake damage to the John Burns & Co. Ltd building on Lichfield Street. The top section of the side wall has collapsed and the bricks have spilled onto the car park below, exposing the inside of the building. Several crushed cars have been removed from the car park and stacked on the street.

Images, UC QuakeStudies

A photograph of the earthquake damage to the Christchurch Chinese Methodist Church on Papanui Road. The gable walls have crumbled, bricks spilling onto the ground. The tower has been removed and braced on the ground in front. Cordon fencing has been placed around the building. Parts of the fence have been decorated with hearts and the word 'love'.

Images, UC QuakeStudies

A photograph of the earthquake damage to the Country Theme store on the corner of Manchester and St Asaph Street. Parts of the bricks walls have crumbled. Most of the bricks have been cleared from the footpath. Steel fences and road cones have been placed around the building as a cordon.

Images, UC QuakeStudies

A photograph of the earthquake damage to the Asko Design building on Victoria Street. The top of the facade has crumbled and fallen into the street, taking the awning with it. The side wall has also collapsed, exposing the inside of the building. Wire fencing and tape have been used to cordon the buildings off.

Images, UC QuakeStudies

A photograph of the earthquake damage to Knox Church on the corner of Bealey Avenue and Victoria Street. The brick walls of the gables have collapsed, exposing the building's wooden frame and the inside of the building. Wire fences and emergency tape have been placed around the building as a cordon.

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch Earthquake. A massive 7.4 magnitude earthquake has hit Christchurch and the wider South Island, causing widespread damage, two serious injuries and power cuts to most of the city. Marsha Witehira had the bricks from the wall of her house fall onto her bed where she was sleeping. Both sides of her house have collapsed".

Images, UC QuakeStudies

The University of Canterbury's E-Learning team's temporary office in the James Hight building. The photographer comments, "First looks at our new temporary (maybe) office space. Our group will stay here until April or May 2011, then will move to another floor in the Central Library. Common area. More offices run along the north wall at the left. Through the doors are the male toilets and a stair well".

Images, UC QuakeStudies

The University of Canterbury's E-Learning team's temporary office in the James Hight building. The photographer comments, "First looks at our new temporary (maybe) office space. Our group will stay here until April or May 2011, then will move to another floor in the Central Library. Common area. How will we make use of this large open area? Our offices are behind the glass wall, facing south".

Images, Canterbury Museum

One landscape colour digital photograph taken on 28 April 2012. Taken on the corner of Bridle Path and Cunningham Terrace, Lyttelton. Photograph shows a painting of a bottle in the style of a cleaning product. The bottle is labelled "Brain Wash". The retaining walls above and below Cunningham Terrace were severely damaged by the 22 February 201...

Images, UC QuakeStudies

A tribute taped to a window of a house on Tasman Place. The tribute reads, "Our red zoned house. When we bought you years ago, you looked a bit tired and sad, but overall you weren't too bad. We spruced you up with paint and love and asked for a blessing from above. The years went by, family and friends celebrations under your roof, your 'veggie' garden gave us kai. We felt safe within your wall, then one dreadful September night, the shaking earth made you fall. You tried with all your groaning might to keep us from harm. Because you were strongly built we held onto the door, while a wave of terror buckled the floor and outside the garden flooded with silt. Now you are near the end, sunken walls and windows bend. We say goodbye today and let you go, Our spirit and heart feels low. You are more than just mortar and brick. For us you were a gift, a safe haven where we once lived".

Research papers, The University of Auckland Library

During the Christchurch earthquake of February 2011, several midrise reinforced concrete masonry (RCM) buildings showed performance levels that fall in the range of life safety to near collapse. A case study of one of these buildings, a six-story RCM building deemed to have reached the near collapse performance level, is presented in this paper. The RCM walls on the second floor failed due to toe crushing, reducing the building's lateral resistance in the east–west direction. A three-dimensional (3-D) nonlinear dynamic analysis was conducted to simulate the development of the governing failure mechanism. Analysis results showed that the walls that were damaged were subjected to large compression loads during the earthquake, which caused an increase in their in-plane lateral strength but reduced their ductility capacity. After toe crushing failure, axial instability of the model was prevented by a redistribution of gravity loads. VoR - Version of Record

Research papers, University of Canterbury Library

A major lesson from the 2011 Christchurch earthquake was the apparent lack of ductility of some lightly reinforced concrete (RC) wall structures. In particular, the structural behaviour of the critical wall in the Gallery Apartments building demonstrated that the inelastic deformation capacity of a structure, as well as potentially brittle failure of the reinforcement, is dependent on the level of bond deterioration between reinforcement and surrounding concrete that occurs under seismic loading. This paper presents the findings of an experimental study on bond behaviour between deformed reinforcing bars and the surrounding concrete. Bond strength and relative bond slip was evaluated using 75 pull-out tests under monotonic and cyclic loading. Variations of the experiments include the loading rate, loading history, concrete strength (25 to 70 MPa), concrete age, cover thickness, bar diameter (16 and 20 mm), embedded length, and the position of the embedded bond region within the specimen (deep within or close to free surface). Select test results are presented with inferred implications for RC structures.