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 3 热扩散系数二元拟合相关参数
Table 3 Related parameters of binary fitting for thermal diffusivity
土类土壤状态参数
a1b1c1d1e1f1
黏性土融土0.581-0.005-1.591×10-43.395×10-6-0.0040.023
冻土1.450-0.0111.051×10-4-3.487×10-7-0.4860.157
粉土融土-0.1270.008-8.024×10-41.135×10-50.851-0.237
冻土0.4040.036-8.191×10-45.180×10-6-0.1630.161
全风化岩类融土2.7470.036-2.312×10-33.091×10-5-2.3280.602
冻土2.1810.044-1.603×10-31.286×10-5-1.2930.258
砂土融土0.8920.056-2.895×10-33.630×10-5-0.7920.297
冻土1.7520.041-1.163×10-38.211×10-6-1.1870.382
碎石土融土-1.1010.063-5.069×10-31.221×10-41.486-0.330
冻土1.8720.031-1.007×10-36.090×10-6-0.8720.211