Seismic Performance of Reinforced Concrete Coupled Walls

Cross_coupledBeam

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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Seismic Pressures on Retaining Walls

General Copyright

Context Learning from the Christchurch Earthquake sequence and other disasters has highlighted the need for New Zealand’s 3 Waters Services to be seismically resilient. In the context of these guidelines the key aspects of a resilient system are: Robust physical assets with key network routes having appropriate alternatives, and response arrangements in place Effective co-ordination

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