Experimental Study on the Strength and Deformation Characteristics of Concrete under True Triaxial Compression after Sulfate Attack

Table 7

Uniaxial compressive strength and corrosion resistance coefficient of concrete specimens.

Time (d)	Group W			Group S			Average strength of group W (MPa)	Average strength of group S (MPa)	K
	1	2	3	1	2	3
0	55.14	58.15	56.15	55.14	58.15	56.15	56.48	56.48	1.00
30	60.14	63.54	62.41	62.12	64.42	63.27	62.03	63.27	1.02
60	61.04	65.68	63.96	59.71	64.13	63.03	63.56	62.29	0.98
90	65.36	66.24	62.58	62.31	58.34	60.04	64.76	60.23	0.93
120	67.79	66.62	63.11	52.86	58.09	56.93	65.84	55.96	0.85