深部膨胀性黏土层冻结温度场的分布与冻胀力形成规律
杨青, 荣传新

Distribution of the freezing temperature field and formation law of the frost heaving force of a deep expansive clay layer
Qing YANG, Chuanxin RONG
表3 冻土热物理参数
Table 3 Thermo-physical parameters of frozen soil
土性深度H/m导热系数λ/(W·m-1·℃-1比热c/(J·kg-1·℃-1冻结温度T/℃密度ρ/(kg·m-3
0 ℃-5 ℃-10 ℃-20 ℃0 ℃-5 ℃
细砂4002.392.653.223.851 270886-0.52 137
黏土4401.511.711.822.031 3901 470-2.91 940