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Research papers, The University of Auckland Library

Following the devastation of the Canterbury earthquake sequence a unique opportunity exists to rebuild and restructure the city of Christchurch, ensuring that its infrastructure is constructed better than before and is innovative. By installing an integrated grid of modern sensor technologies into concrete structures during the rebuild of the Christchurch CBD, the aim is to develop a network of self-monitored ‘digital buildings’. A diverse range of data will be recorded, potentially including parameters such as concrete stresses, strains, thermal deformations, acoustics and the monitoring of corrosion of reinforcement bars. This procedure will allow an on-going complete assessment of the structure’s performance and service life, both before and after seismic activity. The data generated from the embedded and surface mounted sensors will be analysed to allow an innovative and real-time health monitoring solution where structural integrity is continuously known. This indication of building performance will allow the structure to alert owners, engineers and asset managers of developing problems prior to failure thresholds being reached. A range of potential sensor technologies for monitoring the performance of existing and newly constructed concrete buildings is discussed. A description of monitoring work conducted on existing buildings during the July 2013 Cook Strait earthquake sequence is included, along with details of current work that investigates the performance of sensing technologies for detecting crack formation in concrete specimens. The potential market for managing the real-time health of installed infrastructure is huge. Civil structures all over the world require regular visual inspections in order to determine their structural integrity. The information recorded during the Christchurch rebuild will generate crucial data sets that will be beneficial in understanding the behaviour of concrete over the complete life cycle of the structure, from construction through to operation and building repairs until the time of failure. VoR - Version of Record

Audio, Radio New Zealand

DAVID BENNETT to the Minister of Finance: How is the Government's economic programme helping to keep interest rates lower during this economic cycle, compared to the previous economic cycle in the mid-2000s? Dr RUSSEL NORMAN to the Minister of Energy and Resources: How much more is an average New Zealand household that uses 8,000kwh of power annually paying for electricity per year as of November 2013 compared to November 2008, according to the Ministry of Business, Innovation, and Employment's latest Quarterly Survey of Domestic Electricity Prices? Hon DAVID PARKER to the Minister of Finance: What will he do to "spread some of the benefits of growth" when hourly wage rates have only grown by 1.6 percent in the year to December 2013, which is close to 0 percent in real terms, when 45 percent of listed corporates have double-digit profit growth? JACQUI DEAN to the Minister for the Environment: What recent announcements has the Government made on the classification for drilling for oil and gas in New Zealand's Exclusive Economic Zone? GRANT ROBERTSON to the Minister of Justice: When she told the House yesterday "I had previously told Oravida that it could not use my name or photograph to endorse or promote its business products or services" when was that and what specific circumstances did it relate to? COLIN KING to the Minister for Tertiary Education, Skills and Employment: How is the Youth Guarantee Scheme helping the Government achieve the Better Public Services target of 85 percent of all 18-year-olds achieving NCEA Level two or an equivalent qualification in 2017? CAROL BEAUMONT to the Minister of Women's Affairs: Does she have confidence in the Ministry of Women's Affairs given their 2013 Annual Report shows that six out of seven policy outcomes have stayed the same or gone backwards in the last past year; if so, why? SCOTT SIMPSON to the Minister for Courts: How is the Government improving the way the Disputes Tribunal works to make it easier for New Zealanders to resolve civil disputes? Hon TREVOR MALLARD to the Minister of Internal Affairs: What action, if any, has he taken this year to show the Prime Minister that he has met the highest ethical standards required by Section 2.53 of the Cabinet Manual? ALFRED NGARO to the Minister of Pacific Island Affairs: What steps is the Government taking to lift the skills of Pacific people in New Zealand? DENIS O'ROURKE to the Minister for Canterbury Earthquake Recovery: Does he accept the conclusion in the Human Rights Commission's report Monitoring Human Rights in the Canterbury Earthquake Recovery that "many people affected by the earthquakes continue to experience deteriorating standards of living and impacts on their quality of life that go beyond the immediate effects of the disaster"? CATHERINE DELAHUNTY to the Minister of Energy and Resources: Has he had any discussions with any Indian Government Ministers about selling Solid Energy assets?