Research Article

Dynamic Splitting Experimental Study on Sandstone at Actual High Temperatures under Different Loading Rates

Table 2

Fitting parameters for dynamic tensile strength and average strain rate.

Temperature (°C)abCorrelation coefficient (R2)

252.369 60.369 90.943 8
2001.386 40.526 20.986 9
4001.046 40.538 70.969 3
6000.229 50.765 50.958 2
8000.041 11.017 50.964 2