The Research on Strength and Deformation Behaviors of Buffer/Backfill Material under High-Temperature and High-Pressure Conditions

Table 7

The parameters’ value under different dry densities and temperatures.

(g/cm^3)	T (°C)	Parameter D	Parameter E	Parameter λ1	Parameter λ2
1.4	20°C	38.99	−0.96	38.92	0.96
	50°C	38.56	−0.93
	80°C	39.21	−0.97
1.6	20°C	43.13	−1.15	42.93	1.15
	50°C	42.98	−1.16
	80°C	42.69	−1.13
1.8	20°C	43.63	−1.41	43.75	1.42
	50°C	43.71	−1.40
	80°C	43.91	−1.43