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The latest from the Canterbury Earthquakes Royal Commission
Audio, Radio New Zealand
An earthquake engineer says designing buildings to resist earthquakes is as much an art as it is a science and you can never make a structure completely quake-proof.
UC Civil and Natural Resources Engineering Photograph 042
Images, UC QuakeStudies
A photograph of the Christchurch Chinese Methodist Church on Papanui Road. The bricks have crumbled from the gable, exposing the wooden structure underneath and crushing a van.
BeckerFraserPhotos April 2011 photograph 224
Images, UC QuakeStudies
The badly-damaged Knox Presbyterian Church on the corner of Victoria Street and Bealey Avenue. The brickwork on the gables has crumbled, exposing the wooden structure underneath.
UC Civil and Natural Resources Engineering Photograph 041
Images, UC QuakeStudies
A photograph of the Christchurch Chinese Methodist Church on Papanui Road. The bricks have crumbled from the gable, exposing the wooden structure underneath and crushing a van.
BeckerFraserPhotos April 2011 photograph 079
Images, UC QuakeStudies
Damage to the Cathedral of the Blessed Sacrament. The upper part of the corner structure has collapsed, and the cross on the roof is on a lean.
BeckerFraserPhotos April 2011 photograph 077
Images, UC QuakeStudies
Damage to the Cathedral of the Blessed Sacrament. The upper part of the corner structure has collapsed, and the cross on the roof is on a lean.
BeckerFraserPhotos April 2011 photograph 075
Images, UC QuakeStudies
Damage to the Cathedral of the Blessed Sacrament. The upper part of the corner structure has collapsed, and the cross on the roof is on a lean.
BeckerFraserPhotos April 2011 photograph 076
Images, UC QuakeStudies
Damage to the Cathedral of the Blessed Sacrament. The upper part of the corner structure has collapsed, and the cross on the roof is on a lean.
BeckerFraserPhotos April 2011 photograph 232
Images, UC QuakeStudies
The badly-damaged Knox Presbyterian Church on the corner of Bealey Avenue and Victoria Street. The brickwork in the gables has crumbled, exposing the wooden structure underneath.
BeckerFraserPhotos April 2011 photograph 221
Images, UC QuakeStudies
The badly-damaged Knox Presbyterian Church on the corner of Victoria Street and Bealey Avenue. The brickwork on the gables has crumbled, exposing the wooden structure underneath.
BeckerFraserPhotos April 2011 photograph 219
Images, UC QuakeStudies
The badly-damaged Knox Presbyterian Church on the corner of Victoria Street and Bealey Avenue. The brickwork on the gables has crumbled, exposing the wooden structure underneath.
BeckerFraserPhotos March 2011 photograph 106
Images, UC QuakeStudies
The brick wall of a building in Redcliffs that has cracked and fallen away in some places. Sections of the wall have buckled out from the building's structure.
St. Luke’s Anglican Church, Kilmore and Manchester Street corner
Articles, Lost Christchurch
The wooden church of St Luke the Evangelist, stood in Manchester Street, just north of the Avon, from 1858 until it was pulled down in 1908 to make way for a larger stone and brick structure, faced…
Digital buildings: Using sensors to monitor the performance of concrete bu…
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
Performance of retrofitted unreinforced masonry buildings during the Chris…
Research papers, The University of Auckland Library
The performance of retrofitted unreinforced masonry (URM) bearing wall buildings in Christchurch is examined, considering ground motion recordings from multiple events. Suggestions for how the experiences in Christchurch might be relevant to retrofit practices common to New Zealand, U.S. and Canada are also provided. Whilst the poor performance of unretrofitted URM buildings in earthquakes is well known, much less is known about how retrofitted URM buildings perform when subjected to strong ground shaking.
Patterns of succession
Articles, Christchurch uncovered
When we are recording a standing structure we might be lucky enough to discover wallpaper hidden behind plasterboard or tucked under skirtings. In some houses we can find layers of wallpaper, each revealing a stylistic period. While many of the … Continue reading →
Photograph by Eroica Ritchie 122
Images, UC QuakeStudies
A damaged building, the brick cladding of which has fallen, exposing the wooden structure beneath. A wooden plank props up part of the building, and "Do not demoli." has been spray-painted on the wall.
Farmland Rehabilitation Video 08
Videos, UC QuakeStudies
A close-up video of liquefied soil on a farm near River Road in Lincoln. Contractor Tony Fisher, of Fisher Agricultural Ltd, is jumping lightly up and down to demonstrate the soil's jelly-like structure.
Helen Devereux Photograph 066
Images, UC QuakeStudies
A house undergoing renovations has exposed building frames and structures. Aprons hanging from the fence depict the Cathedral drawn in the style of the Edmonds Baking Powder logo, with the slogan "Christchurch, sure to rise".
Helen Devereux Photograph 065
Images, UC QuakeStudies
A house undergoing renovations has exposed building frames and structures. Aprons hanging from the fence depict the Cathedral drawn in the style of the Edmonds Baking Powder logo, with the slogan "Christchurch, sure to rise".
Diabetes Centre Photograph 049
Images, UC QuakeStudies
A photograph of several panels hanging from the ceiling of the Diabetes Centre. The panelling has been taken off the wall to the right, exposing the wooden structure beneath.
Ray Whelan WEMO Photograph 51
Images, UC QuakeStudies
A photograph of an earthquake damaged building on Lichfield Street. The brick wall of the top storey has crumbled, exposing the wooden structure inside. Many of the windows have broken.
Photograph by Jocelyn Kinghorn 126
Images, UC QuakeStudies
A demolition site on Welles Street, where the interior structures have been removed. View into the building site through the partial demolished exterior wall. A crane and demolition workers can be seen on site.
Photograph by Jocelyn Kinghorn 127
Images, UC QuakeStudies
A demolition site on Welles Street, where the interior structures have been removed. View into the building site through the partial demolished exterior wall. A crane and demolition workers can be seen on site.
Photograph by Jocelyn Kinghorn 128
Images, UC QuakeStudies
A demolition site on Welles Street, where the interior structures have been removed. View into the building site through the partial demolished exterior wall. A crane and demolition workers can be seen on site.
Peeling back the onion of time
Articles, Christchurch uncovered
Recording standing structures not only involves architectural drawings and photography, but can also be quite destructive. In an attempt to modernise an old house owners will often cover “old fashioned” features with new materials, plasterboard being the chief culprit. So, … Continue readin...
The Star 27 April 2011
Articles, UC QuakeStudies
A PDF copy of The Star newspaper, published on Wednesday 27 April 2011.
Christchurch Press 20 March 2012: Section A, Page 3
Articles, UC QuakeStudies
Page 3 of Section A of the Christchurch Press, published on Tuesday 20 March 2012.
Christchurch Press 9 April 2011: Section C, Page 4
Articles, UC QuakeStudies
Page 4 of Section C of the Christchurch Press, published on Saturday 9 April 2011.
Probabilistic seismic performance and loss assessment of a bridge–foundati…
Research papers, University of Canterbury Library
This paper presents the probabilistic seismic performance and loss assessment of an actual bridge– foundation–soil system, the Fitzgerald Avenue twin bridges in Christchurch, New Zealand. A two-dimensional finite element model of the longitudinal direction of the system is modelled using advanced soil and structural constitutive models. Ground motions at multiple levels of intensity are selected based on the seismic hazard deaggregation at the site. Based on rigorous examination of several deterministic analyses, engineering demand parameters (EDP’s), which capture the global and local demand, and consequent damage to the bridge and foundation are determined. A probabilistic seismic loss assessment of the structure considering both direct repair and loss of functionality consequences was performed to holistically assess the seismi risk of the system. It was found that the non-horizontal stratification of the soils, liquefaction, and soil–structure interaction had pronounced effects on the seismic demand distribution of the bridge components, of which the north abutment piles and central pier were critical in the systems seismic performance. The consequences due to loss of functionality of the bridge during repair were significantly larger than the direct repair costs, with over a 2% in 50 year probability of the total loss exceeding twice the book-value of the structure.