有圆形孔的冻土蠕变的光粘弹性模拟实验

The Creep Photo viscoelastic Simulation Experiments of Frozen Soil with a Round Hole

从线性粘弹性理论出发，在满足Ｂｏｌｔｚｍａｎｎ叠加原理的情况下，给出了模型实验应满足的一般相似条件，进一步讨论了冻土蠕变模拟实验的相似条件。确定了冻土及光粘弹性模型的蠕变参数。在此基础上对有圆孔的冻土蠕变进行了光粘弹性模拟实验。

In this paper the analogous conditions applied to model experiments are generally presented and the analogous conditions for creep of frozen soils are further discussed, according to the linear theory of viscoelasticity and satisfying the Boltzmans principle of superposition The creep parameters of frozen soil and photoviscoelastic model are determined Based on the conditions of photoviscoelastic simulation experiments for frozen soil creep with round hole were carried out It is found that the stress near the hole is changing with time