摘要： 紧水滩大坝已运行了17年，安测资料有效地揭示了大坝变形的分布和变化规律。分析表明，紧水滩大坝实测变形性态正常。

Abstract: Jinshuitan dam has been put into operation for 17 years, the distribution and variation pattem of dam displacement can be concluded from the observed data. The analysis results indicate that the observed displacement character in Jinshuitan dam is normal.