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冰川冻土  1994 

乌鲁木齐河源1号冰川含岩屑冰川冰的恒应力蠕变试验

, PP. 351-356

Keywords: 蠕变,含岩屑冰川冰,乌鲁木齐河源1号冰川

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Abstract:

在天山乌鲁木齐河源1号冰川底部取冰样12个,加工成直径113mm,长200mm的试样,在-1±0.3℃和0.42MPa(其中一试样为0.84MPa)的条件下,作恒应力单轴压缩蠕变试验,试样岩屑含量为0.01-2.50%的体积比。试验得出最小应变率出现在应变为1%左右,流动参数A与纯冰实验结果相近,未发现岩屑含量对冰的蠕变有明显影响。

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