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Raymond Morris's painting, 'Poplars Apartments, Madras Street'
Images, UC QuakeStudies
A digital copy of a pen and ink and watercolour painting by Raymond Morris, titled, 'Poplars Apartments, Madras Street'.
BeckerFraserPhotos February 2013 photograph 138
Images, UC QuakeStudies
The damaged Peterborough Centre, surrounded by fences. Stacked shipping containers act as a retaining wall.
BeckerFraserPhotos February 2013 photograph 137
Images, UC QuakeStudies
The damaged Peterborough Centre, surrounded by fences.
BeckerFraserPhotos February 2013 photograph 136
Images, UC QuakeStudies
The damaged Peterborough Centre, surrounded by fences.
BeckerFraserPhotos March 2013 photograph 097
Images, UC QuakeStudies
An aerial photograph looking west down Armagh Street, with the Forsyth Barr Building and Victoria Apartments to the left, and Victoria Square to the right.
BeckerFraserPhotos March 2013 photograph 098
Images, UC QuakeStudies
An aerial photograph looking south west over Armagh Street, with the Forsyth Barr Building and Victoria Apartments to the left, and Victoria Park to the right.
BeckerFraserPhotos February 2013 photograph 123
Images, UC QuakeStudies
The north-west corner of Manchester Street and Cashel Street.
BeckerFraserPhotos March 2013 photograph 116
Images, UC QuakeStudies
An aerial photograph looking south west over Armagh Street with Victoria Square in the bottom right, the Forsyth Barr Building to the left and the Victoria Apartments to the right.
BeckerFraserPhotos May 2013 photograph 139
Images, UC QuakeStudies
A photograph captioned by BeckerFraserPhotos, "The Heritage Apartment Hotel in Cathedral Square all refurbished and ready to occupy".
Assessment of the minimum vertical reinforcement limits for RC walls
Research papers, The University of Auckland Library
During the 2010/2011 Canterbury earthquakes, several reinforced concrete (RC) walls in multi-storey buildings formed a single crack in the plastic hinge region as opposed to distributed cracking. In several cases the crack width that was required to accommodate the inelastic displacement of the building resulted in fracture of the vertical reinforcing steel. This type of failure is characteristic of RC members with low reinforcement contents, where the area of reinforcing steel is insufficient to develop the tension force required to form secondary cracks in the surrounding concrete. The minimum vertical reinforcement in RC walls was increased in NZS 3101:2006 with the equation for the minimum vertical reinforcement in beams also adopted for walls, despite differences in reinforcement arrangement and loading. A series of moment-curvature analyses were conducted for an example RC wall based on the Gallery Apartments building in Christchurch. The analysis results indicated that even when the NZS 3101:2006 minimum vertical reinforcement limit was satisfied for a known concrete strength, the wall was still susceptible to sudden failure unless a significant axial load was applied. Additionally, current equations for minimum reinforcement based on a sectional analysis approach do not adequately address the issues related to crack control and distribution of inelastic deformations in ductile walls.
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