Temperature Effect on Mechanical Properties and Damage Identification of Concrete Structure

Table 2

Results of cube compressive strength and splitting tensile strength for concrete under different temperatures.

Temperature (°C)	(kN)	(MPa)	(kN)	(MPa)	(MPa)	(MPa)
−20	1264	56.18	238	6.738	53.75	5.889
	1244	55.29	208	5.889
	1120	49.78	168	4.756
0	980	43.56	164	4.643	44.33	4.454
	1020	45.33	156	4.417
	992	44.09	152	4.303
20	940	41.78	140	3.964	41.18	3.888
	910	40.44	134	3.794
	930	41.33	138	3.907
40	660	29.33	98	2.774	28.56	2.812
	648	28.80	96	2.718
	620	27.56	104	2.944
60	624	27.73	80	2.265	26.84	2.529
	600	26.67	100	2.831
	588	26.13	88	2.491