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Research papers, University of Canterbury Library

This paper presents preliminary results of an experimental campaign on three beam-column joint subassemblies extracted from a 22-storey reinforced concrete frame building constructed in late 1980s at the Christchurch’s Central Business District (CBD) area, damaged and demolished after the 2010-2011 Canterbury earthquakes sequence (CES). The building was designed following capacity design principles. Column sway (i.e., soft storey) mechanisms were avoided, and the beams were provided with plastic hinge relocation details at both beam-ends, aiming at developing plastic hinges away from the column faces. The specimens were tested under quasi-static cyclic displacement controlled lateral loading. One of the specimens, showing no visible residual cracks was cyclically tested in its as-is condition. The other two specimens which showed residual cracks varying between hairline and 1.0mm in width, were subjected to cyclic loading to simulate cracking patterns consistent with what can be considered moderate damage. The cracked specimens were then repaired with an epoxy injection technique and subsequently retested until reaching failure. The epoxy injection techniques demonstrated to be quite efficient in partly, although not fully, restoring the energy dissipation capacities of the damaged specimens at all beam rotation levels. The stiffness was partly restored within the elastic range and almost fully restored after the onset of nonlinear behaviour.

Audio, Radio New Zealand

Strong aftershocks felt in Canterbury, Quake firms to seek government wage subsidy, More services, access to buildings being restored in Christchurch, Minister for Earthquake Recovery discusses plans, Heavy rain causes flooding and road closures in Lower North Island, Building codes minimised quake's injuries and damage, Glass supply freezes as Christchurch companies clean up.

Audio, Radio New Zealand

Canterbury organist Martin Setchell gives the inaugural recital on an organ that’s more than 100 years old. He explains how the instrument survived the February 22nd earthquake even though the church crumbled around it, why it was important to save it, and how the latest technology has being integrated into the restored organ..

Images, UC QuakeStudies

Photograph captioned by BeckerFraserPhotos, "The Forsyth Barr building and PricewaterhouseCoopers building. It was recently announced that PricewaterhouseCoopers will be demolished as it is uneconomic to restore, and we understand Forsyth Barr is still under discussion".

Images, UC QuakeStudies

Workers eat lunch at an outdoor table next to the Gap Filler Community Chess Set on Colombo Street. The Chess Set was a collaboration between Gap Filler and students at the University of Canterbury. The project aimed to restore the iconic Christchurch Chess Set that used to be played in Cathedral Square.

Audio, Radio New Zealand

It's been a long road to restore Christchurch's Isaac Theatre Royal, but tonight, it will finally open its doors again. The theatre sustained considerable damage in the earthquakes of 22nd February and 13th June 2011 and continuing shakes have made the restoration particularly difficult for architects. The project architect from Warren and Mahoney, is Vanessa Carswell.

Audio, Radio New Zealand

The Anzac Day Dawn service returns to Christchurch's Cathedral Square tomorrow, the first time since the 2011 earthquake. The service will take place near the newly-restored Citizens' War Memorial at 5.30am, where traditional veterans will parade up Worcestor Boulevard towards the Square. Christchurch Memorial RSA president, Dennis Mardle, spoke to Corin Dann.  

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Work to restore and earthquake-strengthen the badly damaged historic St Paul's Trinity Pacific Presbyterian Church on Cashel Street has begun after resource consents were granted by the Christchurch City Council, and a preferred contractor was selected recently. Leading hand, Iain Piper (left) and site manager Mike McKee at work on the upstairs seating area".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Work to restore and earthquake-strengthen the badly damaged historic St Paul's Trinity Pacific Presbyterian Church on Cashel Street has begun after resource consents were granted by the Christchurch City Council, and a preferred contractor was selected recently. Leading hand, Iain Piper (left) and site manager Mike McKee at work on the upstairs seating area".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Work to restore and earthquake-strengthen the badly damaged historic St Paul's Trinity Pacific Presbyterian Church on Cashel Street has begun after resource consents were granted by the Christchurch City Council, and a preferred contractor was selected recently. Leading hand, Iain Piper (left) and site manager Mike McKee at work on the upstairs seating area".

Images, UC QuakeStudies

A photograph of Graeme Kershaw, Technician at the University of Canterbury Department of Physics and Astronomy, scratching his head as he looks at the damaged clock drive of the Townsend Telescope. The telescope was damaged during the 22 February 2011 earthquake, when the Observatory tower at the Christchurch Arts Centre collapsed. Kershaw has been given the task of restoring the telescope.

Audio, Radio New Zealand

Topics - The Government has just announced it is to allocate $70 million from its Canterbury Earthquake Appeal fund of about 100 million. National's party list is out and Tau Henare is one of the biggest losers. As Pacific leaders gather in Auckland for the Pacific Forum meeting this week, several of the nations' leader are calling for Fiji to be restored as a member of the Forum..

Videos, UC QuakeStudies

A video of an interview with Sonya Smith about the lack of access to her store on New Regent Street. Smith has not been able to access her store since the 22 February 2011 earthquake, and still has about $60,000 worth of personal possessions inside the store. In contrast, many of the other stores on the street have been restored and reopened.

Images, UC QuakeStudies

A photograph of Graeme Kershaw, Technician at the University of Canterbury Department of Physics and Astronomy, looking through the lens of the Townsend Telescope. The lens is the most crucial component of the telescope. It was found unscratched and unbroken in the rubble of the Observatory tower, after 22 February 2011 earthquake. This means that the telescope can be restored.