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Investigation of Risk Assessment Methodology for Dam Gates and Associated Operating Equipment

机译：大坝闸门及相关操作设备风险评估方法研究

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This report deals with investigation of risk assessment methodologies, existing in literature, pertaining to dam gates and associated operating equipment conducted in Phase I of this research. More than 60 references have been studied in detail as part of the work. Based on this, five methods have been identified as potential methods for risk assessment of dam gates. These are: Dekay and McClelland (1993), Cheng et al. (1986), Lafitte (1993), Lafitte (1996), Kreuzer and Bury (1984). Dekay and McClelland (1 993) proposed a method for predicting Loss of Life (LOL) resulting from dam failures and flash floods. An empirical equation has been derived for LOL in terms of Population At Risk (PAR), Wanning Time (WT) and Forcefullness of Flood Waters (FORCE). Cheng et al. (1986) propose calculation of probability of failure due to any cause using Advanced First Order Second Moment (AFOSM) method for the formulated performance function. Lafitte (1993) proposed an equation for calculation of Reliability (R) in terms of probability of occurrence of the undesirable event (P), and the probable extent of the damage caused (D) and a risk consequence factor (a).

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