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Images, eqnz.chch.2010

Cleaning up Manning Signs of the silt from liquefaction. Three fellow workers man the shovels while two building engineers talk to the boss (hidden). After doing the car park we then turned our hands to the inside of the factory, once clearance was given that we could go inside.

Audio, Radio New Zealand

After the devastating effects on Christchurch, we are all aware of the damage earthquakes can cause. But in New Zealand, a tsunami could be just as damaging. University of Auckland engineers Asaad Shamseldin and PhD student Reza Shafiei are creating waves in the lab to work out how safe our buildings are, if a tsunami hits. Ruth Beran goes to visit them.

Videos, UC QuakeStudies

A video about the discovery of a historic tramline on North Avon Road. The video includes an interview with Brent Leersynder, a site engineer for SCIRT, and Steve Timpson, site foreman for SCIRT. The SCIRT team found the tramline while repairing the damaged wastewater system under North Avon Road in May.

Images, eqnz.chch.2010

Here's Prarie, outside our flat, the day after the 7.1 earthquake hit Christchurch. You see the damage to the street, which continued through our flat. We were forced to move out once an engineer examined the cracks in our balcony, walls, floors, and ceilings, and told us the building was unsafe for living. One crack ran from the street, pres...

Images, UC QuakeStudies

The entrance to the West Avon building on Montreal Street. The photographer comments, "This very wonderful Art Deco heritage building in Christchurch had residents living in it until another visit from the building engineers re-re-checking for earthquake damage. Now it is fenced off and on the list for possible demolition".

Images, UC QuakeStudies

A photograph of a yellow sticker on the window of the Diabetes Centre on Hagley Avenue. The sticker was placed on the building after the 4 September 2010 earthquake, indicating that access to the building was restricted. The engineer who surveyed the building describes the damage to the building as follows: "Panel damaged and displaced at rear - area cordoned off. Loose soffit linings. Damage to ceiling".

Videos, UC QuakeStudies

A video of a presentation by Grant Wilkinson, Senior Engineer for Ruamoko Solutions, at the 2016 Seismics in the City Conference. The presentation is titled, "Engineering Regeneration, Collaboration and Innovation ".The abstract for the presentation reads, "Applying some seismic lessons learnt to saving several heritage gems and collaborating on the Christchurch Art Gallery Base Isolation retrofit project."

Audio, Radio New Zealand

A Christchurch woman whose mother died in the 2011 earthquake says an apology from the Christchurch mayor Lianne Dalziel does not lessen her grief. Yesterday - nine years and one day since the quake killed 185 people - Dalziel invited their families for a private apology. She acknowledged errors made by engineers and the city council in regards to the CTV building. Julie Hibbs lost her mother in the collapse of the building. She speaks to Susie Ferguson.

Images, UC QuakeStudies

A photograph of Jonathan Hall, Marie Hudson, and Jenny Cooper in Crack'd for Christchurch's workshop.Crack'd for Christchurch comments, "It is August 2013, two and a half years since the big quake. We have a plan, we have a tiny bit of funding, and we have commissioned the chair framework. From left: Jenny Cooper, Marie Hudson, and Jonathan Hall (chair engineer of Greening the Rubble)."

Videos, UC QuakeStudies

A video about the Christchurch City Council housing complex on Conference Street in the Christchurch central city. The housing complex was unoccupied after the 22 February 2011 earthquake despite the housing shortage. Christchurch City Council said that the vacant units could not be lived in because of structural damage or damage to services. However, the building has been checked by structural engineers and many of the rooms have been deemed safe to occupy.

Videos, UC QuakeStudies

A video of Press journalist Martin Van Beynen talking about the Canterbury Television Building which collapsed during the 22 February 2011 earthquake. Beynen investigates the construction manager of the building, Gerald Shirtcliff, who allegedly faked an engineering degree and stole the identity of an engineer he knew in South Africa. The video also includes footage of Shirtcliff giving evidence about the CTV Building at the Canterbury Earthquake Royal Commission.

Audio, Radio New Zealand

About two hundred of those who lost loved ones in collapsed buildings in Christchurch's 2011 earthquake, heard an apology from the city's mayor, Lianne Dalziel yesterday. A royal commission in to faulty buildings found serious errors by engineers and the Christchurch City Council 185 people died during the earthquake on the 22nd of February, 2011. David Selway who lost his sister Susan Selway in the CTV Building, said it was good to hear a heartfelt apology from the mayor for the role her council played in signing off the building as safe.

Images, UC QuakeStudies

Workers seen through a gap between wooden pallets in GapFiller's Pallet Pavillion. The photographer comments, "Though it looks strange and Photoshopped this is a straight shot through pallets painted blue. The Pallet Pavilion is built on the site of the demolished Crowne Plaza Hotel. It was built by volunteers, mainly students and construction engineers over 6 weeks. Here students are being given health and safety instructions before helping out on completing the temporary structure".

Videos, UC QuakeStudies

A video about the removal of 'Rocky', a 15-tonne boulder which tore through a house in Heathcote during the 22 February 2011 earthquake. The video includes an interview with Jan Kupec, Chief Geotechnical Engineer at CERA, about the dimensions and path of the boulder. It also includes interviews with James McKenzie, the manager at the Mt Hutt Ski Area who purchased the rock, and Phil Johnson, the owner of the Heathcote property who put the rock on sale.

Images, UC QuakeStudies

A photograph of a green sticker on the window of The Dolls House Shop antique store on Colombo Street. The sticker indicates that the store is safe to enter. The sign reads, "Inspected, no restriction on use or occupancy. This building has received a brief inspection only. While no apparent structural or other safety hazards have been found, a more comprehensive inspection of the exterior and interior may reveal safety hazards". The structural engineer has written on the sign "propping to rear of building inadequate, fire egress also at rear inappropriate, no occupancy to second storey".

Videos, UC QuakeStudies

A video of a presentation by Ian Campbell, Executive General Manager of the Stronger Christchurch Rebuild Team (SCIRT), during the third plenary of the 2016 People in Disasters Conference. The presentation is titled, "Putting People at the Heart of the Rebuild".The abstract for this presentation reads: On the face of it, the Stronger Christchurch Infrastructure Rebuild Team (SCIRT) is an organisation created to engineer and carry out approximately $2B of repairs to physical infrastructure over a 5-year period. Our workforce consists primarily of engineers and constructors who came from far and wide after the earthquakes to 'help fix Christchurch'. But it was not the technical challenges that drew them all here. It was the desire and ambition expressed in the SCIRT 'what we are here for' statement: 'to create resilient infrastructure that gives people security and confidence in the future of Christchurch'. For the team at SCIRT, people are at the heart of our rebuild programme. This is recognised in the intentional approach SCIRT takes to all aspects of its work. The presentation will touch upon how SCIRT communicated with communities affected by our work and how we planned and coordinated the programme to minimise the impacts, while maximising the value for both the affected communities and the taxpayers of New Zealand and rate payers of Christchurch funding it. The presentation will outline SCIRT's very intentional approach to supporting, developing, connecting, and enabling our people to perform, individually, and collectively, in the service of providing the best outcome for the people of Christchurch and New Zealand.

Research papers, University of Canterbury Library

The NMIT Arts & Media Building is the first in a new generation of multistorey timber structures. It employs an advanced damage avoidance earthquake design that is a world first for a timber building. Aurecon structural engineers are the first to use this revolutionary Pres-Lam technology developed at the University of Canterbury. This technology marks a fundamental change in design philosophy. Conventional seismic design of multi-storey structures typically depends on member ductility and the acceptance of a certain amount of damage to beams, columns and walls. The NMIT seismic system relies on pairs of coupled LVL shear walls that incorporate high strength steel tendons post-tensioned through a central duct. The walls are centrally fixed allowing them to rock during a seismic event. A series of U-shaped steel plates placed between the walls form a coupling mechanism, and act as dissipators to absorb seismic energy. The design allows the primary structure to remain essentially undamaged while readily replaceable connections act as plastic fuses. In this era where sustainability is becoming a key focus, the extensive use of timber and engineered-wood products such as LVL make use of a natural resource all grown and manufactured within a 100km radius of Nelson. This project demonstrates that there are now cost effective, sustainable and innovative solutions for multi-story timber buildings with potential applications for building owners in seismic areas around the world.

Images, Alexander Turnbull Library

Text above reads 'Cathedral rebuild?... The cartoon shows the Christchurch Cathedral as a bouncy cathedral full of jumping children. Context - Debate about the rebuilding of the cathedral after it was severely damaged in the Christchurch earthquakes of 2010 and 2011. There is a strong view that it needs to remain an icon at the heart of the city. It may have to be brought down completely as engineers consider the future for the iconic building. Quantity: 1 digital cartoon(s).

Audio, Radio New Zealand

UAVs or Unmanned Aerial Vehicles, or drones as they’re commonly known, are suddenly everywhere. Conservationists and academics are using them to map our rivers; engineers surveyed the interior of the earthquake damaged Christchurch Cathedral with one; and then, of course, there's the military drones used to such lethal affect in Pakistan and Yemen. Ideas visits Palmerston North's Skycam UAV – New Zealand's leading manufacture of UAVs; talks to the interim president of the Association of Unmanned Operations – a union of US drone pilots; and Professor James Cavallaro tells us about the findings of a report he co-authored: 'Living Under Drones: Death, Injury, and Trauma to Civilians from US Drone Practices in Pakistan'.

Audio, Radio New Zealand

A review of the week's main news: sex offender slips through net to teach in a number of New Zealand schools, government says it's not to blame for spreading industrial unrest, Turangi teen sentenced to 10 years jail for raping five year old, Rena captain and navigational officer plead guilty to altering ship's documents, government targets sole parents, unemployed teens, widows and women alone in welfare reforms, Otago Rugby Union fights to stave off liquidation, government promising clampdown on mistreatment and underpayment of foreign crews working on fishing boats chartered to New Zealand companies, structural engineer breaks down at Canterbury Earthquakes Royal Commission and Bret McKenzie earns an Oscar for a Muppet of a song.

Audio, Radio New Zealand

An earthquake engineering expert wants to change the way we predict how the ground will shake during an earthquake. Professor Brendon Bradley from the University of Canterbury is the recipient of a Marsden Fund grant to accelerate his research into seismic hazard analysis and forecasting. He says the idea is to get to a point where they can provide the same sort of information as a weather forecast. Professor Bradley says just like a severe weather warning, engineers would be able to provide information about severe ground shaking, how it varies locally in each city or suburb, and the likely consequence to buildings. Kathryn speaks to Professor Brendon Bradley, the director of Te Hirangu Ru QuakeCoRE - The New Zealand Centre for Earthquake Resilience.

Research papers, University of Canterbury Library

Liquefaction-induced lateral spreading during earthquakes poses a significant hazard to the built environment, as observed in Christchurch during the 2010 to 2011 Canterbury Earthquake Sequence (CES). It is critical that geotechnical earthquake engineers are able to adequately predict both the spatial extent of lateral spreads and magnitudes of associated ground movements for design purposes. Published empirical and semi-empirical models for predicting lateral spread displacements have been shown to vary by a factor of <0.5 to >2 from those measured in parts of Christchurch during CES. Comprehensive post- CES lateral spreading studies have clearly indicated that the spatial distribution of the horizontal displacements and extent of lateral spreading along the Avon River in eastern Christchurch were strongly influenced by geologic, stratigraphic and topographic features.

Research Papers, Lincoln University

The 48hr Design Challenge, run by the Christchurch City Council and held at Lincoln University, provided an opportunity for Council to gain inspiration from the design and architecture industry, while testing the draft Central City Plan currently being developed. The Challenge was a response to the recent earthquakes in Christchurch and brought together local and international talent. A total of 15 teams took part in the Challenge, with seven people in each including engineers, planners, urban designers, architects and landscape architects, as well as one student on each team. The four sites within the Red Zone included the Cathedral Square and BNZ Building; 160 Gloucester Street; the Orion NZ Building at 203 Gloucester Street; and 90 Armagh Street, including the Avon River and Victoria Square. The fifth site, which sits outside the Red Zone, is the former Christchurch Women’s Hospital at 885 Colombo Street. This is team SoLA's entry for 160 Gloucester Street.

Research papers, University of Canterbury Library

This poster presents preliminary results of ongoing experimental campaigns at the Universities of Auckland and Canterbury, aiming at investigating the seismic residual capacity of damaged reinforced concrete plastic hinges, as well as the effectiveness of epoxy injection techniques for restoring their stiffness, energy dissipation, and deformation capacity characteristics. This work is part of wider research project which started in 2012 at the University of Canterbury entitled “Residual Capacity and Repairing Options for Reinforced Concrete Buildings”, funded by the Natural Hazards Research Platform (NHRP). This research project aims at gaining a better understanding and providing the main end-users and stakeholders (practitioner engineers, owners, local and government authorities, insurers, and regulatory agencies) with comprehensive evidence-based information and practical guidelines to assess the residual capacity of damaged reinforced concrete buildings, as well as to evaluate the feasibility of repairing and thus support their delicate decision-making process of repair vs. demolition or replacement.

Research papers, The University of Auckland Library

Test results are presented for wall-diaphragm plate anchor connections that were axially loaded to rupture. These connection samples were extracted post-earthquake by sorting through the demolition debris from unreinforced masonry (URM) buildings damaged in the Christchurch earthquakes. Unfortunately the number of samples available for testing was small due to the difficulties associated with sample collection in an environment of continuing aftershocks and extensive demolition activity, when personal safety combined with commercial activity involving large demolition machinery were imperatives that inhibited more extensive sample collection for research purposes. Nevertheless, the presented data is expected to be of assistance to structural engineers undertaking seismic assessment of URM buildings that have existing wall-diaphragm anchor plate connections installed, where it may be necessary to estimate the capacity of the existing connection as an important parameter linked with determining the current seismic capacity of the building and therefore influencing the decision regarding whether supplementary connections should be installed.

Images, Alexander Turnbull Library

In the foreground PM John Key drives a bulldozer over Christchurch; in the background two engineers read a newspaper report that says 'P.M. gives false demolition number, PM gives false World Cup hope' and one of them says 'Now I know why those things are called BULLdozers..' Context - Prime Minister John Key is sticking to a government estimate that 10,000 Christchurch homes will need to be razed despite criticism that he should wait for official figures; he also stated that 100,000 homes may need repairs, despite Civil Defence saying it has only checked 70,000 homes so far. John Key was also insisting that there was a chance of keeping World Cup rugby games in Christchurch but an official announcement on 16 March dashed those hopes. Quantity: 1 digital cartoon(s).