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

Table 1

The calibration results of the high-temperature and high-pressure triaxial apparatus.

Confining pressure (kPa)	The final volume change at 20°C (mm^3)	The final volume change at 50°C (mm^3)	The final volume change at 80°C (mm^3)
0	0	0	0
100	870	656	503
500	1739	1402	1167
1000	2456	1906	1609
2000	3537	2858	2344