Based on the physical meanings of structural reliability index, the optimization model of flood discharging risk is established in this paper, and the global PSO is introduced to solve the model.
基于结构可靠度指标的物理含义，建立了水库泄洪风险计算优化模型，并引进了粒子群全局优化算法对该模型进行求解。
Analyzing an axially loaded column derives the relation between risk cost and structure reliability index.
通过对轴心受压构件的分析，给出风险损失与结构可靠指标之间的定量关系。
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