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Dam Failure Mechanisms and Risk Assessment introduces the causes,
processes and consequences of dam failures as well as risk
assessment and decision methodologies for dam failure emergency
management. It begins with a physical understanding of two most
common failure mechanisms: internal erosion and overtopping
erosion. Such understanding is substantiated by presenting the
updated statistics of failures of large dams and landslide dams
based on the most recent dam-failure databases compiled by the
authors. The last version of statistics of dam failures was
presented by the International Commission on Large Dams in 1995.
Subsequently, methods for determining dam breaching parameters such
as breach geometry and peak flow rate and analyzing the dam
breaching flood routing in the downstream river are presented.
Afterwards, how the human, property and environment elements in the
flooded zones are vulnerable to the dam-breaching floods are
assessed and the associated risks assessed quantitatively. Finally
methodologies for optimal decision making under uncertainty for
risk mitigation are described.
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