Influence of Alternation of Sulfate Attack and Freeze-Thaw on Microstructure of Concrete

Table 5

Water absorption kinetics parameters of concrete samples.

Samples	Volumetric water absorption rate (%)				Compressive strength/MPa
	WA	FR	SU	AL	WA	FR	SU	AL
SX-1	3.0	7.0	3.5	5.9	54.75	41.99	47.12	40.28
SX-2	4.1	8.3	2.6	4.3	54.56	43.92	48.73	42.55
SX-3	4.1	6.9	4.1	4.5	54.89	44.51	50.52	43.08

Notification: WA: water; FR: freeze; SU: sulfate; AL: alternation.