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

Table 8

True triaxial static compression test results of concrete after sulfate attack.

Test no.	Attack time (d)	σ1 : σ2	σ3 (MPa)	σ3/fc,s	ε (×10^−3)
TA-S-0	0	Uniaxial	56.48	1	—
		0.2 : 0.2	88.67	1.57	17.28
		0.2 : 0.4	142.23	2.52	23.85
		0.2 : 0.6	165.99	2.94	24.19
		0.2 : 0.8	179.56	3.18	25.57
TA-S-30	30	Uniaxial	63.27	1	—
		0.2 : 0.2	109.47	1.73	16.13
		0.2 : 0.4	149.49	2.36	21.48
		0.2 : 0.6	179.95	2.84	24.81
		0.2 : 0.8	181.77	2.87	24.12
TA-S-60	60	Uniaxial	62.29	1	—
		0.2 : 0.2	95.45	1.53	14.32
		0.2 : 0.4	135.47	2.17	22.82
		0.2 : 0.6	162.09	2.60	26.36
		0.2 : 0.8	162.87	2.61	24.68
TA-S-90	90	Uniaxial	60.23	1	—
		0.2 : 0.2	97.85	1.62	13.59
		0.2 : 0.4	122.07	2.03	24.97
		0.2 : 0.6	138.00	2.29	27.73
		0.2 : 0.8	152.05	2.52	27.52
TA-S-120	120	Uniaxial	55.96	1	—
		0.2 : 0.2	74.36	1.33	12.62
		0.2 : 0.4	123.18	2.20	18.12
		0.2 : 0.6	135.79	2.43	19.84
		0.2 : 0.8	133.63	2.39	19.90