Experimental Investigation on Dynamic Fracture Mechanism and Energy Evolution of Saturated Yellow Sandstone under Different Freeze-Thaw Temperatures

Table 4

Particle size coefficients under different F-T temperatures.

T (°С)	20	−5	−10	−15	−20	−30
r (mm)	15.27	14.24	12.55	8.72	7.46	6.15