Study on Strength and Ultrasonic Velocity of Air-Entrained Concrete and Plain Concrete in Cold Environment

Table 5

The splitting and tensile strength of plain concrete after F-T cycles (MPa).

W/C	Number of F-T cycles	0	25	50	75	100
0.55	Tensile strength	1.93	1.36	0.84	0.56	/
	Splitting strength	2.13	1.85	1.62	1.26	1.18
0.5	Tensile strength	3.14	1.32	1.15	0.98	/
	Splitting strength	2.73	2.04	1.64	1.49	1.33
0.45	Tensile strength	3.61	1.99	1.36	1.18	/
	Splitting strength	3.31	2.93	2.62	2.03	1.53