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Research papers, University of Canterbury Library

Very little research exists on total house seismic performance. This testing programme provides stiffness and response data for five houses of varying ages including contributions of non-structural elements. These light timber framed houses in Christchurch, New Zealand had minor earthquake damage from the 2011 earthquakes and were lateral load tested on site to determine their strength and stiffness, and preliminary damage thresholds. Dynamic characteristics were also investigated. Various loading schemes were utilised including quasi-static loading above the foundation, unidirectional loading through the floor diaphragm, cyclic quasi-static loading and snapback tests. Dynamic analysis on two houses provided the seismic safety levels of post-quake houses with respect to local hazard levels. Compared with New Zealand Building Standards all the tested houses had an excess of strength, damage is a significant consideration in earthquake resilience and was observed in all of the houses. A full size house laboratory test is proposed.

Research papers, University of Canterbury Library

A one story, two bays, approximately half scaled, perimeter moment frame containing precastprestressed floor units was built and tested at the University of Canterbury to investigate the effect of precastprestressed floor units on the seismic performance of reinforced concrete moment resisting frame. This paper gives an overview of the experimental set up and summarizes the results obtained from the test. The results show that elongation in the beam plastic hinges is partially restrained by the prestressed floor, which increases the strength of the beams much more than that being specified in the codes around the world.

Audio, Radio New Zealand

A momentous day in Christchurch as a huge steel frame was installed as part of the stabilisation work for Christ Church Cathedral. Karyn speaks with project director Keith Paterson about the plans to return the famed rose window extensively damage in the 2011 earthquake.

Images, UC QuakeStudies

A photograph of a room in the Diabetes Centre. The panelling has been removed from the walls, exposing the wooden framing, insulation, and wires underneath. Tarpaulins have been draped over the furniture.

Images, UC QuakeStudies

A photograph of a room in the Diabetes Centre where the furniture has been covered in plastic sheeting. The panelling has been removed from the wall behind, exposing the wooden framing and pink batts.

Research papers, The University of Auckland Library

During the 2010/2011 Canterbury earthquakes, Reinforced Concrete Frame with Masonry Infill (RCFMI) buildings were subjected to significant lateral loads. A survey conducted by Christchurch City Council (CCC) and the Canterbury Earthquake Recovery Authority (CERA) documented 10,777 damaged buildings, which included building characteristics (building address, the number of storeys, the year of construction, and building use) and post-earthquake damage observations (building safety information, observed damage, level of damage, and current state of the buildings). This data was merged into the Canterbury Earthquake Building Assessment (CEBA) database and was utilised to generate empirical fragility curves using the lognormal distribution method. The proposed fragility curves were expected to provide a reliable estimation of the mean vulnerability for commercial RCFMI buildings in the region. http://www.13thcms.com/wp-content/uploads/2017/05/Symposium-Info-and-Presentation-Schedule.pdf VoR - Version of Record

Audio, Radio New Zealand

Post-earthquake most people would say it was difficult to find housing in Christchurch. But reports suggest that the market has flattened. And terraced housing and apartments are sitting empty. Christchurch Council finance committee chairman, Councillor Raf Manji, discusses future developments like The East Frame.

Images, UC QuakeStudies

A photograph of a room in the Diabetes Centre. The panelling has been removed from the walls, exposing the wooden framing, insulation, and wires underneath. Several drawer units have been stacked in the middle of the room.

Research papers, The University of Auckland Library

The Canterbury earthquake series of 2010/2011 has turned the city of Christchurch into a full scale natural laboratory testing the structural and non-structural response of buildings under moderate to very severe earthquake shaking. The lessons learned from this, which have come at great cost socially and economically, are extremely valuable in increasing our understanding of whole building performance in severe earthquakes. Given current initiatives underway on both sides of the Tasman towards developing joint Australasian steel and composite steel/concrete design and construction standards that would span a very wide range of geological conditions and seismic zones, these lessons are relevant to both countries. This paper focusses on the performance of steel framed buildings in Christchurch city, with greatest emphasis on multi-storey buildings, but also covering single storey steel framed buildings and light steel framed housing. It addresses such issues as the magnitude and structural impact of the earthquake series, importance of good detailing, lack of observed column base hinging, the excellent performance of composite floors and it will briefly cover research underway to quantify some of these effects for use in design.

Images, Alexander Turnbull Library

In three small frames above the main frame, milk tankers are shown bumping wildly over Christchurch roads made uneven by the earthquakes of September 4 2010 and February 22 2011; and in the large frame below a man is painting out the word 'milk' on a tanker and replacing it with the word 'butter'. Context - the bad roads caused by the erathquakes in Canterbury have turned the milk into butter. Colour and black and white versions available Title from file name Quantity: 2 digital cartoon(s).

Images, Alexander Turnbull Library

Text reads 'Water - One minute too much - The next, not enough' In the first frame a man is fed up with another downpour and in the second frame there is shown a plastic bottle of drinking water. Refers to the amount of rain in recent times but also the need for bottled or boiled water In Canterbury after the earthquake of 4th September 2010 which caused major damage to sewage and water systems. Quantity: 1 digital cartoon(s).

Images, UC QuakeStudies

A photograph submitted by Raymond Morris to the QuakeStories website. The description reads, "This painting of the ‘Frame workshop’ 456 Colombo St. Sydenham is by artist Raymond Morris. It is one of many paintings he has done of buildings demolished in the earthquakes 2010-2011.".