Influence of Simulated Acid Rain Corrosion on the Uniaxial Tensile Mechanical Properties of Concrete

Table 2

Experimental conditions.

Specimen C30	Designation	Exposing condition	Number of specimen	Immersion time (days)
Dumbbell-shaped specimens	H2SO4 + HNO3 (molar ratio is 9: 1)	pH 1.0	4 × 10	0, 5, 11, 15, 18, 21, 24, 27, 30, 33
Cube specimens	H2SO4 + HNO3 (molar ratio is 9: 1)	pH 1.0	3 × 10	0, 5, 11, 15, 18, 21, 24, 27, 30, 33