不同顶管组合方式的管幕冻结温度场模型试验
段寅, 荣传新, 程桦, 蔡海兵, 解德柱, 丁杨龙

Model test of freezing temperature field of the freeze-sealing pipe roof method under different pipe arrangements
Yin DUAN, Chuanxin RONG, Hua CHENG, Haibing CAI, Dezhu XIE, Yanglong DING
表3 试验材料物理参数
Table 3 Physical parameters of the test materials
试验材料密度/(kg·m-3含水量/%比热容/(J·kg-1·K-1导热系数/(W·m-1·K-1冰点/℃
饱和砂土1 43540.291 3721.475-0.5
C30混凝土2 4509201.950
钢管7 85031860.000