摘要： 本文针对东江大坝291 m高程垂线测点的径向水平位移与库水位之间存在的不协调现象，采用统计模型进行分析，得到了大坝径向水平位移与影响大坝变形的因子之间存在的相关性，并由此解释了东江大坝不规则位移现象的原因。

Abstract: In this paper, a regression model and a new index to describe relativity between displacement and its effect factor is presented, which has been successfully applied to analyse the abnormal phenomena of displacement in Dongjiang Dam.?