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ASSESSMENT OF THE POTENTIAL FOR EARTHQUAKE INDUCED LATERAL SPREADING (2006)

Lateral movement of reclamations and ground adjoining rivers and foreshores can occur as a result of earthquake shaking. The mechanism of this lateral movement is discussed and methods of analysis used are presented. Both empirical and mechanics based methods of analysis are used. Case studies of analysis and of construction works to mitigate the effects of lateral movement are presented. The mechanics based and empirical methods of analysis include simplifications and assumptions. It is concluded that any assessment of lateral movement potential should include as many methods of analysis as practical and include sensitivity checks on the assumed parameters. Ultimately, these methods provide support to engineering judgement to assess the likely performance of a site.
Reference:
New Zealand Society for Earthquake Engineering Conference, 2006
Organization:
Tonkin & Taylor Ltd
New Zealand
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