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Images, UC QuakeStudies

In front of the Williams Street Bridge in Kaiapoi. This part of the footpath was damaged when the concrete abutment rose during the earthquake, forcing its way through the pavement and into the open. Fencing has been placed around this section of the bridge until work can be done to make it safe to walk on.

Images, UC QuakeStudies

A photograph of the earthquake damage to the back of Wharetiki on Colombo Street. The chimney of the house has pulled away from the back wall and collapsed onto the roof below. A wooden structure built up against the house has also pulled away from the wall.

Images, UC QuakeStudies

A photograph looking down Poplar Lane from behind the cordon on Tuam Street. Fallen bricks and building rubble litter the footpaths. To the left the earthquake damage to Plume can be seen. The front wall of the corner has crumbled, taking the awning with it. Mannequins can still be seen hanging in the window.

Images, UC QuakeStudies

A photograph of the earthquake-damage to the Quinn's clothing store on Papanui Road. The front wall of the building has crumbled, the bricks and other rubble falling onto the footpath and street below. The inside of the second storey can now clearly be seen from the street.

Images, UC QuakeStudies

A damaged house with a red sticker on its front window. The sticker indicates that the building is unsafe to enter. To the side, the brickwork has crumbled and in the front the broken windows have been boarded up. A woman in a florescent vest can be seen to the left, inspecting the house.

Images, UC QuakeStudies

A photograph of the earthquake damage to a building on the corner of Armagh and Barbadoes Streets. The outer walls of the building have collapsed and the bricks have spilled onto the footpath and road below. Steel and wire fences have been placed around the building as a cordon.

Images, UC QuakeStudies

Damage to River Road in Richmond. The road is badly cracked and buckled, and is partly blocked off with road cones and warning tape. In the background is a truck carrying more road cones and signs. The photographer comments, "Major slumps and cracks along River Rd. Near 381 River Rd, looking towards the Banks Ave - Dallington Terrace corner".

Images, UC QuakeStudies

Damage to a residential property in Richmond. The brick wall of the garage has collapse inward, and the roof fallen in on top of it. The driveway is badly cracked and buckled. The photographer comments, "These photos show our old house in River Rd. The brick garage just collapsed, pulling the gate over as it fell".

Images, UC QuakeStudies

Damage to River Road in Richmond. The road is badly cracked and has slumped towards the river. Road cones and warning tape block off the road to vehicles. The photographer comments, "The end of River Rd, at the corner of Banks Ave-McBratneys Rd-Dallington Tce. Morons in 4WDs kept wanting to drive through here".

Images, UC QuakeStudies

A damaged driveway bridge over Dudley Creek has been blocked off with warning tape. The sides of the bridge have slumped, and the driveway surface has buckled and cracked. In the background, the gates to the property are misaligned. The photographer comments, "The bridge to a large mansion on a huge section was displaced by half a metre".

Images, UC QuakeStudies

A damaged driveway bridge over Dudley Creek has been blocked off with warning tape. The sides of the bridge have slumped, and the driveway surface has buckled and cracked. In the background, the gates to the property are misaligned. The photographer comments, "The bridge into the mansion in Banks Avenue is as broken as the mansion itself".

Images, UC QuakeStudies

A damaged driveway bridge over Dudley Creek has been blocked off with warning tape. The sides of the bridge have slumped, and the driveway surface has buckled and cracked. In the background, the gates to the property are misaligned. The photographer comments, "The bridge to a large mansion on a huge section was displaced by half a metre".

Images, UC QuakeStudies

A photograph of a member of an emergency management team walking down Cashel Street. In the background is a crushed van, piles of rubble from earthquake-damaged buildings, and partially-collapsed scaffolding. Wire fences have been placed in front of the buildings as cordons.

Images, UC QuakeStudies

A photograph of the earthquake damage to the Asko Design building on Victoria Street. The top of the facade has crumpled, falling onto the awning and street. A broken gutter is visible on the building to the left. Two men are working on the awning of the smaller building.

Research papers, The University of Auckland Library

Industrial steel storage pallet racking systems are used extensively worldwide to store goods. Forty percent of all goods are stored on storage racks at some time during their manufactureto- consumption life. In 2017, goods worth USD 16.5 billion were carried on cold-formed steel racking systems in seismically active regions worldwide. Historically, these racks are particularly vulnerable to collapse in severe earthquakes. In the 2010/2011 Christchurch earthquakes, around NZD 100 million of pallet racking stored goods were lost, with much greater associated economic losses due to disruptions to the national supply chain. A novel component, the friction slipper baseplate, has been designed and developed to very significantly improve the seismic performance of a selective pallet racking system in both the cross-aisle and the down-aisle directions. This thesis documents the whole progress of the development of the friction slipper baseplate from the design concept development to experimental verification and incorporation into the seismic design procedure for selective pallet racking systems. The test results on the component joint tests, full-scale pull-over and snap-back tests and fullscale shaking table tests of a steel storage racking system are presented. The extensive experimental observations show that the friction slipper baseplate exhibits the best seismic performance in both the cross-aisle and the down-aisle directions compared with all the other base-connections tested. It protects the rack frame and concrete floor from damage, reduces the risk of overturning in the cross-aisle direction, and minimises the damage at beam-end connectors in the down-aisle direction, without sustaining damage to the connection itself. Moreover, this high level of seismic performance can be delivered by a simple and costeffective baseplate with almost no additional cost. The significantly reduced internal force and frame acceleration response enable the more cost-effective and safer design of the pallet racking system with minimal extra cost for the baseplate. The friction slipper baseplate also provides enhanced protection to the column base from operational impact damage compared with other seismic resisting and standard baseplates.

Images, UC QuakeStudies

The Cathedral of the Blessed Sacrament on Barbadoes Street, severely damaged after the 22 February 2011 earthquake. The domes on either side of the Cathedral have collapsed and are lying in the area in front. To the right, a crushed car can just be seen.

Images, UC QuakeStudies

The Cathedral of the Blessed Sacrament on Barbadoes Street, severely damaged after the 22 February 2011 earthquake. The domes on either side of the Cathedral have collapsed and are lying in the area in front. To the right, a crushed car can just be seen.

Images, UC QuakeStudies

A photograph looking north-west down High Street towards the intersection with Manchester Street. Rubble from several earthquake-damaged buildings lines both sides of the street. In the distance members of the Wellington Emergency Management Office Emergency Response Team and several excavators are working.

Images, UC QuakeStudies

A photograph of the Wellington Emergency Management Office Emergency Response Team standing in a car park on Lichfield Street. The team are wearing face and gas masks, hard hats, safety glasses, knee pads, and rubber gloves. In the background are several earthquake-damaged buildings.

Images, UC QuakeStudies

A photograph of members of the Wellington Emergency Management Office Emergency Response Team standing on the intersection of Manchester and Lichfield Streets. In the background is the Majestic Theatre. Piles of rubble from earthquake-damaged buildings has been piled on the road below the building.

Images, UC QuakeStudies

A photograph of the earthquake damage to South of the Border and Denis Moore the Auto Electrician on Colombo Street. The top storey of South of the Border has crumbled. Fencing, road cones and tape have been placed around the buildings as a cordon.

Research papers, University of Canterbury Library

New Zealand has a long tradition of using light timber frame for construction of its domestic dwellings. After the most recent earthquakes (e.g. Canterbury earthquakes sequence), wooden residential houses showed satisfactory life safety performance. However, poor performance was reported in terms of their seismic resilience. Although numerous innovative methods to mitigate damage have been introduced to the New Zealand community in order to improve wooden house performance, these retrofit options have not been readily taken up. The low number of retrofitted wooden-framed houses leads to questions about whether homeowners are aware of the necessity of seismic retrofitting their houses to achieve a satisfactory seismic performance. This study aims to explore different retrofit technologies that can be applied to wooden-framed houses in Wellington, taking into account the need of homeowners to understand the risk, likelihood and extent of damage expected after an event. A survey will be conducted in Wellington about perceptions of homeowners towards the expected performance of their wooden-framed houses. The survey questions were designed to gain an understanding of homeowners' levels of safety and awareness of possible damage after a seismic event. Afterwards, a structural review of a sample of the houses will be undertaken to identify common features and detail potential seismic concerns. The findings will break down barriers to making improvements in the performance of wooden-framed houses and lead to enhancements in the confidence of homeowners in the event of future seismic activity. This will result in increased understanding and contribute towards an accessible knowledge base, which will possibly increase significantly the use of these technologies and avoid unnecessary economic and social costs after a seismic event.

Images, UC QuakeStudies

Damage to the Lyttelton Hotel on Norwich Quay. The top of the building has crumbled, bringing the roof down with it. Bricks have fallen on the awning and all along the footpath. Wire fencing and road cones have been used to create a cordon around the building.

Images, UC QuakeStudies

The damaged Cranmer Courts on the corner of Kilmore and Montreal Streets. The corner of the building has crumbled onto the street, which is now littered with broken masonry. Wire fencing placed around the building after the 4 September 2010 earthquake has managed to keep the debris away from the road.

Images, UC QuakeStudies

A view looking south down Durham Street. Two fire engines are driving north, and a pair of construction workers are walking up the road. Behind them is the damaged Provincial Council Legislative Chambers. The building's walls and roof have collapsed, as has the scaffolding which was erected to repair it after the 4 September 2010 earthquake.

Images, UC QuakeStudies

A photograph of members of the Wellington Emergency Management Office walking down Lichfield Street towards the intersection of Madras Street. Buildings on either side of the team have been damaged by the earthquake and there are piles of rubble on the street in front of them.

Images, UC QuakeStudies

A view down London Street in Lyttelton, looking east from Canterbury Street. To the left, the damaged Volcano Cafe can be seen, with bricks from the side wall still on the road and wire fencing around the building. A road sign reading, "Road closed" has been placed in front of the street ahead.

Images, UC QuakeStudies

Damage to the Visitors Centre in Kaiapoi, after the September 4th earthquake. The foundations have lifted at the back of the building, giving it a forward lean. Cables have been attached to the balcony over the walkway and braced to posts cemented into the ground. This is to stop the building from slumping further.

Images, UC QuakeStudies

Damage to the Visitors Centre in Kaiapoi, after the September 4th earthquake. The foundations have lifted at the back of the building, giving it a forward lean. Cables have been attached to the balcony over the walkway and braced to posts cemented into the ground. This is to stop the building from slumping further.