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BeckerFraserPhotos April 2011 photograph 015
Images, UC QuakeStudies
Plastic barriers and fencing around a demolition site on the corner of Cranford and Westminster Streets. Different types of building rubble have been sorted into piles, and a concrete block still remains on-site.
BeckerFraserPhotos February 2011 photograph 340
Images, UC QuakeStudies
Two damaged driveways on Acland Avenue in Avonside. Dried liquefaction can be seen in the gap between the two driveways, and behind them the ground has sunk. Weeds have grown through cracks in the concrete.
BeckerFraserPhotos October 2011 photograph 356
Images, UC QuakeStudies
Photograph captioned by BeckerFraserPhotos, "Demolition site of Allan McLean building, corner of Colombo Street and Oxford Terrace".
BeckerFraserPhotos February 2011 photograph 339
Images, UC QuakeStudies
Two damaged driveways on Acland Avenue in Avonside. Dried liquefaction can be seen in the gap between the two driveways, and behind them the ground has sunk. Weeds have grown through cracks in the concrete.
BeckerFraserPhotos February 2011 photograph 268
Images, UC QuakeStudies
A view down Bracken Street in Avonside. A power pole has been propped up by a concrete block because the asphalt around it has sunk as a result of the 4 September 2010 earthquake.
BeckerFraserPhotos June 2011 photograph 370
Images, UC QuakeStudies
Damage to a house in Redcliffs. There are large cracks in the concrete block walls and several blocks have fallen. The chimney is still intact, but is leaning away from the house at an extreme angle.
BeckerFraserPhotos June 2011 photograph 371
Images, UC QuakeStudies
Damage to a house in Redcliffs. There are large cracks in the concrete block walls and several blocks have fallen. The chimney is still intact, but is leaning away from the house at an extreme angle.
BeckerFraserPhotos February 2011 photograph 405
Images, UC QuakeStudies
A view down the driveway of a property on Avonside Drive to its garage. The slabs of concrete that make up the driveway have all visibly shifted, and the garage is on a lean.
Photograph by Neil Macbeth 357
Images, UC QuakeStudies
Damage to a bridge over the Avon River in Avonside. The bridge has pulled away from the bank, leaving large cracks between the concrete sides and the ground. The railing has also separated to the left.
Umut Akguzel Photograph 365
Images, UC QuakeStudies
A photograph of the badly-damaged Winnie Bagoes building on Colombo Street. The left side of the building has collapsed and a metal pole anchored to a concrete block is holding up the remains.
Northern Outlook Image: Laura Melville 2011:02:22 14:06:12
Images, UC QuakeStudies
Photograph captioned by Fairfax, "Scott Vincent, front, and Michael Small of Sicon assess the Kaiapoi River bank for damage. The concrete under the bank had bulged and presented a possible threat to the bank."
WEMO ERT Set 3 - February 2011 - Photograph 037
Images, UC QuakeStudies
A photograph of members of the Wellington Emergency Management Office Emergency Response Team inside a building in the Christchurch central city. Silt and water from liquefaction has covered large sections of the concrete floor.
BeckerFraserPhotos April 2011 photograph 016
Images, UC QuakeStudies
Plastic barriers and fencing around a demolition site at the corner of Cranford and Westminster Streets. Different types of building rubble have been sorted into piles, and a concrete block still remains on-site.
BeckerFraserPhotos February 2011 photograph 322
Images, UC QuakeStudies
Cracks in the concrete foundation and wooden walls of a house on Avonside Drive. The photograph shows where the metal frame of the house's conservatory has come apart, and shards of glass from it can be seen on the footpath.
BeckerFraserPhotos October 2011 photograph 358
Images, UC QuakeStudies
Photograph captioned by BeckerFraserPhotos, "Demolition site of the Allan McLean building, on the corner of Colombo Street and Oxford Terrace".
Monster Munch
Images, UC QuakeStudies
A digitally manipulated image of a excavator claw tangled with reinforcing cable, with a damaged concrete building in the background. The photographer comments, "The monster destroying the earthquake broken buildings close to the Lyttelton tunnel".
BeckerFraserPhotos February 2011 photograph 482
Images, UC QuakeStudies
The front entrance of the Durham Street Methodist Church. The door is blocked by a safety fence and large concrete blocks, which have been used to secure the steel bracing supporting the front wall of the building.
BeckerFraserPhotos October 2011 photograph 355
Images, UC QuakeStudies
Photograph captioned by BeckerFraserPhotos, "Demolition site of Allan McLean building, corner of Colombo Street and Oxford Terrace".
Seismic Performance of Reinforced Concrete Buildings in the 22 February Ch…
Research papers, University of Canterbury Library
Six months after the 4 September 2010 Mw 7.1 Darfield (Canterbury) earthquake, a Mw 6.2 Christchurch (Lyttelton) aftershock struck Christchurch on the 22 February 2011. This earthquake was centred approximately 10km south-east of the Christchurch CBD at a shallow depth of 5km, resulting in intense seismic shaking within the Christchurch central business district (CBD). Unlike the 4 Sept earthquake when limited-to-moderate damage was observed in engineered reinforced concrete (RC) buildings [35], in the 22 February event a high number of RC Buildings in the Christchurch CBD (16.2 % out of 833) were severely damaged. There were 182 fatalities, 135 of which were the unfortunate consequences of the complete collapse of two mid-rise RC buildings. This paper describes immediate observations of damage to RC buildings in the 22 February 2011 Christchurch earthquake. Some preliminary lessons are highlighted and discussed in light of the observed performance of the RC building stock. Damage statistics and typical damage patterns are presented for various configurations and lateral resisting systems. Data was collated predominantly from first-hand post-earthquake reconnaissance observations by the authors, complemented with detailed assessment of the structural drawings of critical buildings and the observed behaviour. Overall, the 22 February 2011 Mw 6.2 Christchurch earthquake was a particularly severe test for both modern seismically-designed and existing non-ductile RC buildings. The sequence of earthquakes since the 4 Sept 2010, particularly the 22 Feb event has confirmed old lessons and brought to life new critical ones, highlighting some urgent action required to remedy structural deficiencies in both existing and “modern” buildings. Given the major social and economic impact of the earthquakes to a country with strong seismic engineering tradition, no doubt some aspects of the seismic design will be improved based on the lessons from Christchurch. The bar needs to and can be raised, starting with a strong endorsement of new damage-resisting, whilst cost-efficient, technologies as well as the strict enforcement, including financial incentives, of active policies for the seismic retrofit of existing buildings at a national scale.
BeckerFraserPhotos March 2011 photograph 043
Images, UC QuakeStudies
A red-stickered building on Canterbury Street in Lyttelton. The building's facade has been propped up with timber, steel and concrete block bracing, and one of its windows has been weather proofed with plywood. Wire fencing has been place around the building as a cordon.
BeckerFraserPhotos March 2011 photograph 211
Images, UC QuakeStudies
The steps from Cambridge Terrace up to the Bridge of Remembrance. The terracotta tiles on the highest step have chipped off. The gaps that can be seen on the concrete wall to the right shows how far the steps have moved from their original position.
WEMO ERT Set 1 - March 2011 - Photograph 68
Images, UC QuakeStudies
A photograph of signs under the rear section of the Forsyth Barr building. The signs reads, "Danger drop zone". In the background is rubble from an earthquake-damaged building . Steel bracing has been constructed around a concrete pillar to the right.
BeckerFraserPhotos February 2011 photograph 151
Images, UC QuakeStudies
The top of a corner tower from St John the Baptist Church in Latimer Square that has been set between two buttresses at the church's base. Bracing made of steel beams and concrete blocks can be seen fixed to the wall on the right of the photograph.
Breakin' Up is Hard to Do
Images, UC QuakeStudies
A large crack between the road and a concrete slab in New Brighton. The photographer comments, "This is the gap that has been growing during all the Christchurch earthquakes. It is between Robbie's Restaurant and the car park in New Brighton".
What Lies Beneath?
Images, UC QuakeStudies
A broken concrete floor slab in a residential property. The photographer comments, "Now that our house is to be rebuilt some time in the distant future, I decided to relay the loose and broken tiles. I took some photos to show what lies beneath".
BeckerFraserPhotos July 2011 photograph 1171
Images, UC QuakeStudies
A photograph captioned by BeckerFraserPhotos, "The failed column near the south-east corner of the ground floor of the Hotel Grand Chancellor. This corner of the building slumped 700mm when this column and a nearby sheer wall failed. Scaffolding was erected all around it and then sprayed with concrete to stabilise the building".
BeckerFraserPhotos July 2011 photograph 1172
Images, UC QuakeStudies
A photograph captioned by BeckerFraserPhotos, "The failed column near the south-east corner of the ground floor of the Hotel Grand Chancellor. This corner of the building slumped 700mm when this column and a nearby sheer wall failed. Scaffolding was erected all around it and then sprayed with concrete to stabilise the building".
BeckerFraserPhotos May 2011 photograph 0032
Images, UC QuakeStudies
Samo Coffee Lounge signs decorate the front of The Loons Circus Theatre Company building on Canterbury Street in Lyttelton. The facade of the building is propped up by a timber frame and concrete blocks. Samo Coffee Lounge was run inside the Loons building by a group of former Lyttelton Coffee Company staff.
BeckerFraserPhotos March 2011 photograph 114
Images, UC QuakeStudies
A pile of bricks, mortar, concrete and rusty metal constituting the remains of Beckenham Baptist Church on Colombo Street. A white sign has been erected outside the church reading, "Our church is still meeting. Please join us on Sunday. We gather in the youth hall, access is from #7 Percival St. (Turn left on Tennyson then left again on Percival)".
June 2011 Earthquake - Photograph 15
Images, UC QuakeStudies
Damage to a house in Richmond. Bricks have fallen from the walls onto the driveway, and a large gap between the concrete foundation and the wooden framing shows how much the house has moved. The photographer comments, "The foundations and brick cladding moved, but the timber wall remained in position. The gap grew to over 400mm by the time the house was demolished.