a rheologic model of rockfill is proposed, which can better reflect long-term deformation of the rockfill and is easy to determine parameters through feedback analysis.

• 针对高面板堆石坝的应力变形特性,分析了堆石体的流变机理,提出了一个能够反映堆石长期变形特性且易于通过反分析方法确定参数的堆石流变模型。