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Audio, Radio New Zealand

The policing of building safety systems is being cut back nationwide. The Ministry of Business, Innovation and Employment is reducing its monitoring of the building warrants of fitness scheme that covers 16 crucial safety systems including fire measures. This coincides with it having to do more checks on what councils are doing regarding fences around pools and earthquake-prone buildings. The cutback is despite ministry reviews which show many councils do little to audit the building warrants they issue. An inspector of building safety systems and adviser on warrants, Charlie Loughnan of Canterbury, told our reporter Phil Pennington that less monitoring is not a good idea.

Research papers, The University of Auckland Library

The Catholic Cathedral is classified as a category 1 listed heritage building constructed largely of unreinforced stone masonry, and was significantly damaged in the recent Canterbury earthquakes of 2010 and 2011. In the 2010 event the building presented slight to moderta damage, meanwhile in the 2011 one experienced ground shaking in excess of its capacity leading to block failures and partial collapse of parts of the building, which left the building standing but still posing a significant hazard. In this paper we discuss the approach to develop the earthquake analysis of the building by 3D numerical simulations, and the results are compared/calibrated with the observed damage of the 2010 earthquake. Very accurate records were obtained during both earthquakes due to a record station located least than 80 m of distance from the building and used in the simulations. Moreover it is included in the model the soil structure interaction because it was observed that the ground and foundation played an important role on the seismic behavior of the structure. A very good agreement was found between the real observed damage and the nonlinear dynamic simulations described trough inelastic deformation (cracking) and building´s performance.

Images, eqnz.chch.2010

20100913_3424_1D3-400 Castle Rock The damage to Castle Rock, overlooking the Heathcote Valley from the 7.1 earthquake on September 4th. #385

Images, UC QuakeStudies

A photograph of Andrew Just of F3 Design giving a talk about ArtBox on the corner of St Asaph Street and Madras Street. The photograph was taken during a public talk about the temporary studio and gallery space. The event was part of FESTA 2012.

Images, UC QuakeStudies

A photograph of a crowd gathered on the corner of St Asaph Street and Madras Street for a public talk about ArtBox gallery by Andrew Just and Martin Trusttum. The public talk was part of FESTA 2012.

Images, UC QuakeStudies

A photograph of a crowd gathered on the corner of St Asaph Street and Madras Street for a public talk about ArtBox gallery by Andrew Just and Martin Trusttum. The public talk was part of FESTA 2012.

Images, UC QuakeStudies

A photograph of a crowd gathered on the corner of St Asaph Street and Madras Street for a public talk about ArtBox gallery by Andrew Just and Martin Trusttum. The talk was part of FESTA 2012.

Images, UC QuakeStudies

A photograph of a crowd gathered on the corner of St Asaph Street and Madras Street for a public talk about ArtBox gallery by Andrew Just and Martin Trusttum. The public talk was part of FESTA 2012.

Images, UC QuakeStudies

A photograph of Andrew Just from F3 Design (left) and Martin Trusttum, CPIT Faculty of Creative Arts, arranging models of the temporary ArtBox gallery on the corner of St Asaph Street and Madras Street. The photograph was taken during a public talk, which was part of FESTA 2012.

Images, UC QuakeStudies

A photograph of a crowd gathered on the corner of St Asaph Street and Madras Street for a public talk about ArtBox gallery by Andrew Just and Martin Trusttum. The talk was part of FESTA 2012.

Images, UC QuakeStudies

A photograph of Martin Trusttum, CPIT Faculty of Creative Arts, giving a talk about ArtBox on the corner of St Asaph Street and Madras Street. The photograph was taken during a public talk about the temporary studio and gallery space. The event was part of FESTA 2012.

Images, UC QuakeStudies

A photograph of a crowd gathered on the corner of St Asaph Street and Madras Street for a public talk about ArtBox gallery by Andrew Just and Martin Trusttum. The talk was part of FESTA 2012.

Images, UC QuakeStudies

A photograph of a crowd gathered on the corner of St Asaph Street and Madras Street for a public talk about ArtBox gallery by Andrew Just and Martin Trusttum. The talk was part of FESTA 2012.

Images, UC QuakeStudies

A photograph of Andrew Just from F3 Design (left) and Martin Trusttum, CPIT Faculty of Creative Arts, giving a talk about ArtBox on the corner of St Asaph Street and Madras Street. The public talk was part of FESTA 2012.