基于离散元的花岗岩热敏感性及裂纹扩展研究
李明兼,尹土兵,谭小松,杨政

Study on Thermal Sensitivity and Crack Propagation of Granite Based on Discrete Element Method
Mingjian LI,Tubing YIN,Xiaosong TAN,Zheng YANG
表2 模型结构微观参数
Table 2 Microscopic parameters of model structure
岩石组分占比/%颗粒半径/mm热膨胀系数/(K-1导热系数/(W·m-1·K-1比热/(J·kg-1·K-1密度/(kg·m-3
石英40.90.40~0.5524.3×10-6
长石38.40.30~0.408.7×10-63.51 0152 700
云母20.70.30~0.403.0×10-6