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Steve O’Brien

Appurtenant structures associated with a dam play and important part to the dam’s operation. For these structures it may be important that their functional and structural integrity is retained in the event of a notable earthquake, particularly when they are required to release water from the reservoir in a controlled manner to lower the storage following an earthquake. Research has been conducted into the current state of practice for the seismic design and analysis of these structures, including review of the main issues for seismic effects, documentation of case histories and review of current research, international guidelines and standards. The general assessment philosophy was found to be relatively consistent internationally, however, the adopted assessment procedures were found to vary. The status of the current ANCOLD earthquake guidelines has been provided in relation to the current international state of practice for various types of appurtenant structures.

Keywords: Appurtenant structures, performance criteria, seismic performance, seismic analysis.

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  • $15.00
    2007  Papers

    2007 – Current international state of practice for the seismic design and analysis of appurtenant structures at dams

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    2009  Papers

    2009 – Construction of the Plastic Concrete Cut-off Wall at Hinze Dam

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