Effects of Heating Rate on the Dynamic Tensile Mechanical Properties of Coal Sandstone during Thermal Treatment

Table 3

Dynamic tensile strength of sandstone under different heating rates.

(°C·min^−1)		0	5	10	20	30	40	50
		(Normal temperature)
(MPa)	Data 1	18.97	14.14	14.18	14.63	14.06	13.31	12.81
	Data 2	18.73	15.18	15.11	13.67	13.55	12.74	11.71
	Data 3	19.04	14.99	14.22	14.13	13.23	13.33	12.43
	Average	18.91	14.77	14.50	14.14	13.61	13.13	12.32