摘要： 通过对长潭大坝变形监测资料的分析，揭示大坝水平位移、坝体挠度、垂直位移的变化规律及影响因素，为今后大坝安全管理提供有益的依据。

Abstract: Through the analysis on the observed data of deformation dam of the Changtan dam,it revealed the chang rule and influencing effect on the horizontal displacement,deflection and vertical displacement.It will provide helpful basis for the dam safety management in the future.