Abstract
Some high CFRDs had the problems of face slab crack and large leakage. And it was found out after deep analysis that the basic reason was the big inhomogeneous deformation in the rock-fill zone, mainly the vertical displacement. So it was of great significance to master their deformation behaviors so as not only to monitor the dam safety but also to supply the suggestions to repair the defect and reinforce the dam. The special features of dam displacement in the initial impounding period should be considered in the quantitative analysis of dam displacement study. Taking a certain dam as an example, some displacement models with impoundment factors were adopted to study the deformation features of high CFRD in this paper. After comparing and testing, the models were verified and could be used to monitor and forecast the deformation of the certain dam.
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