基于改进型证据理论的高拱坝多效应量融合模型

Study on multi-effect-size fusion modelof high arch dam based on improved D-S evidence theory

针对目前大坝安全监测中单效应量分析存在的不足,将数据融合理论中的D-S证据理论引入到高拱坝多效应量融合建模之中,并对证据理论组合规则进行了改进,提出了一类适合于高拱坝融合评价的证据体权值运算公式,建立了基于改进型证据理论的高拱坝多效应量融合模型。工程示例分析表明,该方法是合理、可行的,为高拱坝多效应量综合评价提供了一条新的途径。

In view of the deficiency of single-effect-size analysis method in dam safety monitoring, a data fusion theory named D-S Evidence Theory was introduced into high arch dam multi-effect-size fusion model for the first time. Through proposing an operational formula, which is appropriate for high arch dam Fusion evaluation, and building the multi-effect-size fusion model, the traditional D-S Evidence theory is improved. The results of engineering case histories indicate that this method is reasonable and feasible, which provides a new way for high arch dam multi-effect-size comprehensive evaluation.