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Research papers, University of Canterbury Library

© 2018 Springer Nature B.V. This study compares seismic losses considering initial construction costs and direct-repair costs for New Zealand steel moment-resisting frame buildings with friction connections and those with extended bolted-end-plate connections. A total of 12 buildings have been designed and analysed considering both connection types, two building heights (4-storey and 12-storey), and three locations around New Zealand (Auckland, Christchurch, and Wellington). It was found that buildings with friction connections required design to a higher design ductility, yet are generally stiffer due to larger beams being required to satisfy higher connection overstrength requirements. This resulted in the frames with friction connections experiencing lower interstorey drifts on most floors but similar peak total floor accelerations, and subsequently incurring lower drift-related seismic repair losses. Frames with friction connections tended to have lower expected net-present-costs within 50 years of the building being in service for shorter buildings and/or if located in regions of high seismicity. None of the frames with friction connections in Auckland showed any benefits due to the low seismicity of the region.

Audio, Radio New Zealand

Principal of Banks Ave School, Murray Edlin, and Canterbury Primary Principals Association president, John Bangma, discuss the issue of earthquake damaged schools in property repairs funding shock.

Audio, Radio New Zealand

There are 1,600 Canterbury homeowners with earthquake claims still open with EQC. About 100 homeowners turned up to a meeting organised by EQC Fix in Christchurch on Monday night - all with stories of home repair hell, botched repairs, or seemingly never-ending arguments with EQC, Southern Response, or their private insurer. They were all tired and wondering why they still had to fight more than nine years on from the first Canterbury Earthquake. Checkpoint video journalist Logan Church travelled to Christchurch to speak to those still fighting for what they believe they are entitled too.  

Images, eqnz.chch.2010

Best View - Press "L". After 36 million liters of water mysteriously disappeared from this reservoir on Huntsbury Hill following the February 22nd 6.3 earthquake in Christchurch work has started on repairing it. This image shows just how large the tank is with a work-truck parked inside it. See Video of TV3 News item:

Images, UC QuakeStudies

A photograph of St John's Anglican Church in Hororata. The spire of the church, which partially collapsed in the 4 September earthquake, has been boarded up in order to protect the building from rain. This photograph was modelled off an image taken by BeckerFraserPhotos in October 2010.

Images, UC QuakeStudies

A photograph of St John's Anglican Church in Hororata. The spire of the church, which partially collapsed in the 4 September earthquake, has been boarded up in order to protect the building from rain. This photograph was modelled off an image taken by BeckerFraserPhotos in October 2010.

Research papers, The University of Auckland Library

The quality of multi-owned residential buildings and the capability to maintain that quality into the future is important in preserving not only the monetary value of such housing (Lujanen, 2010) but also the quality of life for its residents. The aim of this paper is to examine the governance and decision-making rules and regulations as they relate to the undertaking of major repairs in multi-owned residential buildings in Finland and New Zealand with particular regard to the Finnish Limited Liability Housing Companies Act 2010 (LLHCA 2010) and the New Zealand Unit Titles Act 2010 (UTA 2010). Currently, major building repairs are topical issues in both countries; in Finland as a result of ageing buildings requiring major re-fitting of pipes and other infrastructure, and in New Zealand as a result of earthquake damage in Christchurch and Leaky Building Syndrome nationwide. Major repairs can be a significant financial burden to unit owners and collective decisions can be difficult to achieve. Interestingly, new legislation that governs multi-owned housing was enacted in both countries in 2010. The recent enactment of this legislation provides an opportunity to examine the UTA 2010 and LLHCA 2010 with regard to how they address major repairs, improvements in housing stock and the financing possibilities associated with these undertakings. More specifically this paper explores housing intensification (i.e. building up, out or alongside existing multi-owned residential buildings on commonly owned land) as a means of financing major repairs. The comparison of governance and decision-making in two different shared ownership systems with different histories and cultural contexts provides a chance to explore the possibilities and challenges that each country faces, and the potential to learn from each other’s practices and develop these further. In this regard the findings from this paper contribute to the academic literature (Bugden 2005; Easthope & Randolph 2009; Dupuis & Dixon 2010; Lujanen 2010; Easthope, Hudson & Randolph 2013) concerning to the governance of multi-owned housing as it relates to intensive housing development and its wider social and economic implications.

Research papers, University of Canterbury Library

Recent severe earthquakes, such as the 2010-2011 Christchurch earthquake series, have put emphasis on building resilience all over the world. To achieve such resilience, procedures for low damage seismic design have been developed to satisfy both life safety requirements and the need to minimize undesirable economic effects of required building repair or structural member replacement following a major earthquake. Seismic resisting systems following this concept are expected to withstand severe earthquakes without requiring major post-earthquake repairs, using isolating mechanisms or sacrificial systems that either do not need repair or are readily repairable or replaceable. These include the sliding hinge joint with asymmetric friction connections (SHJAFCs) in beam-to-column connections of the moment resisting steel frames (MRSFs) and symmetric friction connections (SFCs) in braces of the braced frames. A 9 m tall, configurable three-storey steel framed composite floor building incorporating frictionbased connections is to be tested using two linked bi-directional shake tables at the International joint research Laboratory of Earthquake Engineering (ILEE) facilities, Shanghai, China. The structural systems are configurable, allowing different moment and braced frame structural systems tested in two horizontal directions. The structure is designed and detailed to undergo, at worst, minor damage under a planned series of severe earthquakes.