Behavior of HPC with Fly Ash after Elevated Temperature

Table 3

The compressive strength and cubic compressive strength of HPC at elevated temperature (MPa).

Concrete		Temperature (°C)
		20	200	300	400	500
C50	𝑓𝑐	33.93	33.6	36.0.7	29.33	26.53
	𝑓cu	55.16	54.40	54.67	52.00	44.37
C60	𝑓𝑐	51.60	50.33	42.0	44.73	37.13
	𝑓cu	68.17	66.62	63.51	67.0	55.53