青藏工程走廊冻融土热扩散系数特性与预测模型研究
刘志云, 钟振涛, 崔福庆, 陈建兵, 彭惠

Study on characteristic and prediction model of permafrost thermal diffusivity of Qinghai-Tibet engineering corridor
Zhiyun LIU, Zhentao ZHONG, Fuqing CUI, Jianbing CHEN, Hui PENG
表2 热扩散系数与影响因素偏相关分析
Table 2 Partial correlation analysis between thermal diffusivity and influencing factors
土性变量相关参数含水率干密度融土热扩散系数冻土热扩散系数
黏性土含水率相关性1.000-0.629-0.187-0.005
显著性0.0000.0400.934
干密度相关性-0.6291.0000.2070.118
显著性0.0000.0010.034
融土热扩散系数相关性-0.1870.2071.0000.803
显著性0.040.0010.000
粉土含水率相关性1.000-0.363-0.4750.002
显著性0.0080.0000.989
干密度相关性-0.3631.0000.0570.188
显著性0.0080.6890.118
融土热扩散系数相关性-0.4750.0571.0000.843
显著性0.0000.6890.000
全风化岩类含水率相关性1.000-0.842-0.259-0.210
显著性0.0000.0270.044
干密度相关性-0.8421.000-0.062-0.280
显著性0.0000.6030.007
融土热扩散系数相关性-0.259-0.0621.0000.785
显著性0.0270.6030.000
砂土含水率相关性1.000-0.567-0.1610.063
显著性0.0000.0650.368
干密度相关性-0.5671.0000.200-0.020
显著性0.0000.0210.778
融土热扩散系数相关性-0.1610.2001.0000.898
显著性0.0650.0210.000
碎石土含水率相关性1.000-0.610-0.0990.073
显著性0.0000.2620.355
干密度相关性-0.6101.0000.1690.149
显著性0.0000.0540.057
融土热扩散系数相关性-0.0990.1691.0000.821
显著性0.2620.0540.000