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Images for quake repairs; more images...

Images, UC QuakeStudies

Scaffolding covering the outer walls of the James Hight Building at the University of Canterbury. The photograph has been captioned by BeckerFraserPhotos, "The repair work on the buildings at the University of Canterbury looks similar to the scenes in the CBD".

Images, UC QuakeStudies

Roading machinery parked on the side of River Road. The road is under repair, but has not yet been resealed. The photographer comments, "Looking east to Banks Ave-Dallington Tce. River Rd nearly ready for re-sealing. Over the next year, the road subsided and was repaired 3 or 4 times".

Research papers, University of Canterbury Library

essential systems upon which the well-being and functioning of societies depend. They deliver a service or a good to the population using a network, a combination of spatially-distributed links and nodes. As they are interconnected, network elements’ functionality is also interdependent. In case of a failure of one component, many others could be momentarily brought out-of-service. Further problems arise for buried infrastructure when it comes to buried infrastructure in earthquake and liquefaction-prone areas for the following reasons: • Technically more demanding inspections than those required for surface horizontal infrastructure • Infrastructure subject to both permanent ground displacement and transient ground deformation • Increase in network maintenance costs (i.e. deterioration due to ageing material and seismic hazard) These challenges suggest careful studies on network resilience will yield significant benefits. For these reasons, the potable water network of Christchurch city (Figure 1) has been selected for its well-characterized topology and its extensive repair dataset.