中文摘要：

对绿片岩试样进行双轴压缩蠕变试验,采用六元件黏弹性流变模型对试验曲线进行拟合分析,研究试样宽度尺寸对蠕变变形规律的影响。研究结果表明:相同应力水平下,当将试样的宽度逐渐增加时,轴向应变和侧向应变并非呈一直增加或减小的趋势;轴向稳态蠕变速率呈逐渐减小的趋势。蠕变试验曲线和理论模型曲线较吻合,说明六元件流变模型能较好地描述绿片岩的黏弹性蠕变特性。

英文摘要：

The biaxial compression creep tests for greenschist were carried out. The creep test curves were fitted by six-component viscoelastic rheological model,and the influence of specimen width on creep deformation rule was studied. The results show that the axial and lateral strain will not always increase or decrease with increasing specimen width under the same stress level,but the axial creep strain rate of second creep stage will reduce all the time. The six-component viscoelastic rheological model curve and experimental curve approximately coincide with each other,which indicates that the rheological model is appropriate for determining the viscoelastic rheological parameters of greenschist.