Lightly Reinforced Concrete Walls

Principal Investigator Dr R Henry, University of Auckland

After the Canterbury Earthquakes the Royal Commission and SESOC raised issues relating to the design of lightly reinforced and precast concrete walls. This research project looked to address and give guidance on the following:

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Quake Centre Partners’ Annual Workshop 2017


The 2017 Partner workshop was held at Opus in Christchurch on Tuesday 5 December. There were 22 presentations giving an overview of the work undertaken throughout the year. The presentation was followed up by a poster session allowing participants the opportunity to ask in-depth questions of the project managers and researchers. The posters can be downloaded below.

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Review of New Zealand Pipe Inspection Manual

The New ZeaNZPIMland Pipe Inspection Manual (NZPIM) is a document that is extensively used by the water industry to assess the condition of waste and storm water pipes. It was last updated in 2006. Since that time, there have been a large number of technical advances. In addition, the NZ$100 million spent on inspecting the Christchurch 3 waters network after the Canterbury Earthquake Sequence provided a number of lessons that need to be captured in an update. As part of the Evidenced-based Decision Making for 3 Waters Networks project, the Quake Centre with the asistance of EQC engaged ProjectMax  to undertake a full review and scope of the required changes to the NZPIM. This exercise has now been completed and the report is out for comment across the water sector.

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Low Damage Partition Walls


Dry wall partitions are vulnerable to seismic damage even in relatively minor earthquakes. This paper outlines a detail that provides a low damage solution that will protect partitions reasonably severe earthquakes. This cost and time associated with construction is no more than current practices.

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Pipe Renewals Guidelines


In 2014, the total replacement value of the 3 waters assets in New Zealand was estimated to be about NZ$45.2 billion. As these assets are upgraded or replaced, many difficult decisions will need to be made in respect to the trade-offs between Levels of Service, capital costs, operating costs and management of risk.  The aim of this project is to provide guidance and tools to enable New Zealand Water organisations to implement advanced asset management processes to develop inspection, maintenance and renewal strategies for pipework in potable water, waste water and storm water systems.

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Seismic Performance of Reinforced Concrete Coupled Walls


In the Canterbury Earthquakes it was observed that reinforced concrete coupled wall buildings displayed more strength and lower ductility in comparison to their design intent.  As an approximate method to account for axial restraint in the design of coupled walls it is recommended that a redistribution of design demands be used to reduce the coupling beam design capacity and to achieve a more desirable coupled wall behaviour.

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