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WEMO ERT Set 3 - February 2011 - Photograph 213
Images, UC QuakeStudies
A photograph of a damaged support beam in the basement of the Copthorne Hotel. A section of the concrete has crumbled, exposing the steel reinforcement underneath.
WEMO ERT Set 3 - February 2011 - Photograph 255
Images, UC QuakeStudies
A photograph of the earthquake damage to the Canterbury Television Building on Gloucester Street. Some of the concrete on the columns has crumbled, revealing the steel reinforcement underneath.
WEMO ERT Set 3 - February 2011 - Photograph 256
Images, UC QuakeStudies
A photograph of the earthquake damage to the Canterbury Television Building on Gloucester Street. Some of the concrete on the columns has crumbled, revealing the steel reinforcement underneath.
WEMO ERT Set 3 - February 2011 - Photograph 261
Images, UC QuakeStudies
A photograph of the earthquake damage to the Canterbury Television Building on Gloucester Street. Some of the concrete on the columns has crumbled, revealing the steel reinforcement underneath.
WEMO ERT Set 3 - February 2011 - Photograph 218
Images, UC QuakeStudies
A photograph of emergency management personnel inspecting the earthquake damage to a concrete beam inside a building. The concrete near the bottom of the beam has crumbled and the steel reinforcement inside is now exposed.
WEMO ERT Set 3 - February 2011 - Photograph 212
Images, UC QuakeStudies
A photograph of the earthquake damage to a beam inside the basement of the Copthorne Hotel. A section of the concrete beam has crumbled to reveal the steel reinforcement underneath.
WEMO ERT Set 3 - February 2011 - Photograph 223
Images, UC QuakeStudies
A photograph of the earthquake damage to a concrete beam inside a building. The wall around the beam has been removed to access the beam. Concrete near the bottom of the beam has crumbled and the steel reinforcement inside is now exposed.
Umut Akguzel Photograph 285
Images, UC QuakeStudies
A photograph of a concrete wall with steel reinforcement visible inside
Umut Akguzel Photograph 284
Images, UC QuakeStudies
A photograph of a concrete wall with steel reinforcement visible inside
BeckerFraserPhotos September 2010 photograph 134
Images, UC QuakeStudies
The old Railway Station clock tower on Moorhouse Avenue with plywood and steel reinforcement covering two sides, a crane hanging over top. The brickwork suffered extensive cracking during the earthquake making it in need for reinforcement. The clock has stopped at around 16:35, the time of the earthquake.
BeckerFraserPhotos September 2010 photograph 132
Images, UC QuakeStudies
The old Railway Station clock tower on Moorhouse Avenue with plywood and steel reinforcement covering two sides, and a crane hanging over top. The brickwork suffered extensive cracking during the earthquake making it in need of reinforcement. The clock has stopped at around 16:35, the time of the earthquake.
BeckerFraserPhotos September 2010 photograph 133
Images, UC QuakeStudies
The old Railway Station clock tower on Moorhouse Avenue with plywood and steel reinforcement covering two sides, and a crane hanging over top. The brickwork suffered extensive cracking during the earthquake making it in need of reinforcement. The clock has stopped at around 16:35, the time of the earthquake.
WEMO ERT Set 3 - February 2011 - Photograph 194
Images, UC QuakeStudies
A photograph of the earthquake damage to a stairwell in the Crowne Plaza Hotel on the corner of Kilmore and Durham Streets. Large sections of the concrete wall behind the stair rail have broken away to reveal the steel reinforcement underneath.
Umut Akguzel Photograph 271
Images, UC QuakeStudies
A photograph of a broken concrete pile with steel reinforcement sticking out of it.
WEMO ERT Set 1 - March 2011 - Photograph 115
Images, UC QuakeStudies
A photograph of a pile of twisted steel reinforcement and other rubble at the entrance to the Smiths City car park on Dundas Street. In the background a section of the collapsed car park has not been demolished yet. Many cars are still parked on the top floor.
WEMO ERT Set 1 - March 2011 - Photograph 149
Images, UC QuakeStudies
A photograph of the earthquake damage to the concrete beams in a room in the PricewaterhouseCoopers Building. Sections of the concrete have crumbled to reveal the steel reinforcement underneath. A number of the ceiling panels are missing and another is hanging loose. Some of the bars that hold the ceiling panels are also hanging loose.
WEMO ERT Set 1 - March 2011 - Photograph 114
Images, UC QuakeStudies
A photograph of the partially-demolished Smiths City car park, taken from Dundas Street. The front section of the car park has mostly been cleared, though there is still a scattering of rubble and steel reinforcement. The back section has collapsed, but the floors are largely intact, with many cars still parked on the top floor.
WEMO ERT Set 1 - March 2011 - Photograph 116
Images, UC QuakeStudies
A photograph looking east down Dundas Street. Piles of twisted steel reinforcement have been placed on both sides of the street. Several earthquake-damaged cars, recovered from the Smiths City car park, have been stacked on the left. On the other side of the street is an excavator grapple and bucket. In the distance two excavators are sorting through the rubble.
NicksPlace Photograph 148
Images, UC QuakeStudies
Cracks in the parapet of a building on Tuam Street. Steel reinforcement can be seen sticking out of the front wall.
Bettina Evans's photograph 7
Images, UC QuakeStudies
Diagonal cracking between the windows of the Harbour Light Theatre in Lyttelton. This indicates that there was no vertical reinforcement provided in the walls.
BeckerFraserPhotos April 2012 photograph 204
Images, UC QuakeStudies
A pile of rubble and steel reinforcement from the Chubb Lock & Safe building on the corner of Kilmore and Manchester Streets.
Paul and Sam Corliss's Street Art Photograph (2015:03:28 13:22:54)
Images, UC QuakeStudies
A photograph of a mural on a wall in the former site of a building on Norwich Quay in Lyttelton. Sections of reinforcing steel and other construction material have been laid up against the mural.
Paul and Sam Corliss's Street Art Photograph (2015:03:28 13:22:49)
Images, UC QuakeStudies
A photograph of a mural on a wall in the former site of a building on Norwich Quay in Lyttelton. Sections of reinforcing steel have been laid up against the mural.
Umut Akguzel Photograph 295
Images, UC QuakeStudies
A photograph of the badly-damaged Press building, viewed from Worcester Street. Windows have been boarded up with plywood and straps are being used for reinforcement.
BeckerFraserPhotos May 2013 photograph 171
Images, UC QuakeStudies
Reinforcement steel protrudes from a bank which is supporting a walkway on Sumner Road. The area has been cordoned off with road cones and security fencing.
BeckerFraserPhotos September 2010 photograph 041
Images, UC QuakeStudies
The Para Rubber Building on Manchester Street, its demolition nearly complete. A concrete post can be seen in this picture, the steel reinforcement visible out the sides.
BeckerFraserPhotos September 2010 photograph 057
Images, UC QuakeStudies
Cross cracking on the Manchester Courts Building between the windows. This means that there was no vertical reinforcement in the building and it will have to come down.
BeckerFraserPhotos May 2013 photograph 134
Images, UC QuakeStudies
The demolition site of the Holiday Inn City Centre on Cashel Street. Reinforcement cabling protrudes from the top of the concrete posts. Rubble from the demolition surrounds the site.
Umut Akguzel Photograph 202
Images, UC QuakeStudies
A photograph of a flight of concrete stairs salvaged from a building and placed in a car park in the Christchurch central city. Steel reinforcement can be seen sticking out of the concrete.
Effect of Loading Rate on Response of Reinforced Concrete Prisms
Research papers, University of Canterbury Library
Research following the 2010-2011 Canterbury earthquakes investigated the minimum vertical reinforcement required in RC walls to generate well distributed cracking in the plastic hinge region. However, the influence of the loading sequence and rate has not been fully addressed. The new minimum vertical reinforcement limits in NZS 3101:2006 (Amendment 3) include consideration of the material strengths under dynamic load rates, but these provisions have not been validated at a member or system level. A series of tests were conducted on RC prisms to investigate the effect of loading rate and sequence on the local behaviour of RC members. Fifteen axially loaded RC prisms with the designs representing the end region of RC walls were tested under various loading rates to cover the range of pseudo-static and earthquake loading scenarios. These tests will provide substantial data for understanding the local behaviour of RC members, including hysteretic load-deformation behaviour, crack patterns, failure mode, steel strain, strain rate and ductility. Recommendations will be made regarding the effect of loading rate and reinforcement content on the cracking behaviour and ductility of RC members.
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