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Images, UC QuakeStudies

A photograph of Siobhan Murphy's house at 436 Oxford Terrace. The front walls has been covered with plastic sheeting. A bow made out of curtains has been pinned to the plastic where the fireplace juts out from the wall. The photographer comments, "The bow is a memorial to Murphy's living room and her life in the house".

Images, UC QuakeStudies

A photograph of Siobhan Murphy's house at 436 Oxford Terrace. The front walls has been covered with plastic sheeting. A bow made out of curtains has been pinned to the plastic where the fireplace juts out from the wall. The photographer comments, "The bow is a memorial to Murphy's living room and her life in the house".

Images, UC QuakeStudies

A photograph of Siobhan Murphy outside her house at 436 Oxford Terrace. The front walls of the house have been covered with plastic sheeting. A bow made out of curtains has been pinned to the plastic where the fireplace juts out of the closest wall. The photographer comments, "The bow is a memorial to Murphy's living room and her life in the house".

Images, UC QuakeStudies

A photograph of Siobhan Murphy's house at 436 Oxford Terrace. The photograph was taken from the empty lot next door. The front of the house has been covered with plastic sheeting. Wire fencing has been placed around the outside of the property as a cordon.

Images, UC QuakeStudies

A photograph of a bow made out of curtains pinned to Siobhan Murphy's house at 436 Oxford Terrace. In the background, the house has been covered in plastic sheeting. The photographer comments, "The bow is a memorial to Murphy's living room and her life in the house".

Images, UC QuakeStudies

A photograph of a house at 7 Rees Street. The side of the house has been covered in plastic sheeting. Plywood has been used to board up the door. The number of the house has been spray-painted on the wall next to the door. The letterbox of the house next door also has its house number spray-painted on it.

Images, UC QuakeStudies

Volunteers photographed with one of Gap Filler's painted pianos. The piano has been set up at the demolished site of the Crowne Plaza Hotel. In the background, Gap Filler's Pallet Pavilion can be seen. The back of the piano has been covered by plastic sheeting with a picture of a dog. A wooden structure has also been built around the piano with Perspex and corrugated iron on top and plastic sheeting to the left and right. This is to protect the piano and pianist from wind and rain.

Images, UC QuakeStudies

Volunteers photographed around one of Gap Filler's painted pianos. The piano has been set up at the demolished site of the Crowne Plaza Hotel. A wooden structure has been built around the piano with Perspex and corrugated iron on top and plastic sheeting to the left and right. This is to protect the piano and pianist from wind and rain.

Images, UC QuakeStudies

Pallet Golf', a Gap Golf course on a the site of a demolished building. It has been built by Gap Filler to look like a journey through Christchurch. A plastic road cone as well as mini road cones, road signs, tunnels and rivers can be seen. The course has been built using green felt, wooden pallets, tyres, planks of wood and bricks.

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.

Research papers, University of Canterbury Library

The capability of self-compacting concrete (SCC) in flowing through and filling in even the most congested areas makes it ideal for being used in congested reinforced concrete (RC) structural members such as beam-column joints (BCJ). However, members of tall multi-storey structures impose high capacity requirements where implementing normal-strength self-compacting concrete is not preferable. In the present study, a commercially reproducible high-strength self-compacting concrete (HSSCC), a conventionally vibrated high-strength concrete (CVHSC) and a normal strength conventionally vibrated concrete (CVC) were designed using locally available materials in Christchurch, New Zealand. Following the guidelines of the New Zealand concrete standards NZS3101, seven beam-column joints (BCJ) were designed. Factors such as the concrete type, grade of reinforcement, amount of joint shear stirrups, axial load, and direction of casting were considered variables. All BCJs were tested under a displacement-controlled quasi-static reversed cyclic regime. The cracking pattern at different load levels and the mode of failure were also recorded. In addition, the load, displacement, drift, ductility, joint shear deformations, and elongation of the plastic hinge zone were also measured during the experiment. It was found that not only none of the seismically important features were compromised by using HSSCC, but also the quality of material and ease of construction boosted the performance of the BCJs.