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Paul Somerville

This paper describes the unique characteristics of near-fault ground motions for use in developing ground motions for the design and evaluation of dams that are located close to identified active faults. These characteristics include near-fault rupture directivity effects, permanent ground displacements, and hanging wall effects. In Australia, active faults make a significant contribution to the Maximum Credible Earthquake (MCE) only at near-fault sites when Probabilistic Seismic Hazard Analysis (PSHA) is used. However, some sites may be close enough to nearby or even more distant identified active faults that a Deterministic Seismic Hazard Analysis (DSHA) produces MCE ground motions that are for larger than those obtained using a probabilistic approach even for very long return periods. Knowledge of the unique characteristics of near-fault ground motions should be applied to the development of ground motions for the design and evaluation of dams that are located close to identified active faults.

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  • $15.00
    2016  Papers

    2016 – Characteristics of Near Fault Ground Motions for Seismic Design

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    2016  Papers

    2016 – Estimating the Maximum Credible Earthquake (MCE) and its Application in Australia and New Zealand

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  • $15.00
    2016  Papers

    2016 – Seismic Hazard Assessment Methods including Deterministic and Probabilistic Methods and their uses in Dam Design

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    2017  Papers

    2017 – Conditions Under Which Identified Faults Contribute Significantly to Seismic Hazard in Australia

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    2018  Papers

    2018 – Impacts of New Knowledge and the 2018 Draft ANCOLD Guidelines on Ground Motion Levels at Dam Sites in Australia

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    2019  Papers

    2019 – Probabilistic Fault Displacement Hazard Analysis for Dams in Australia

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    2013  Papers

    2013 – Development of design ground motions for the Tekapo Canal Project

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    2008  Papers

    2008 – Seismic hazard assessment at Hinze Dam

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  • $15.00
    2011  Papers

    2011 – Recent Developments in Seismic Hazard Analysis

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