热冲击对花岗岩动态断裂行为的影响研究
王卫华,李凯,黄瑞新

Study on the Effect of Thermal Shock on Dynamic Fracture Behavior of Granite
Weihua WANG,Kai LI,Ruixin HUANG
表5 动态断裂韧性与加载率拟合函数参数
Table 5 Parameters of dynamic fracture toughness and loading rate fitting function
冷却方式温度/℃abR2
未处理250.3690.6280.969

炉内冷却

1000.2590.9820.964
3000.4630.5150.932
6000.1820.7010.886

空气冷却

1000.4850.9410.977
3000.1290.7590.949
6000.4540.4790.827

水冷却

1000.2700.6360.883
3000.2650.6130.908
6000.1230.7130.971