rock fill

• Time , the paper studies rheology of rockfillwith yin zongze model , of two yield surface and rheological relation of negative exponential , and some formulas are obtained it is difficult to determine the rheological parameters , of rock fills through laboratory test for the limited specimen , dimension , short duration and particle , constituents
  本文采用殷宗泽双屈服面模型与堆石流变的负指数变化关系式，研究堆石的应力与流变关系，并推导了相应公式。在流变参数确定方面，由于室内试验的试样尺寸、时间比尺和颗粒破碎很难模拟现场条件，根据室内试验直接确定堆石的流变参数是困难的。