The accelerated life test of concrete in a chloride environment was carried out with chloride ion migration equipment. The time that elapsed before critical chloride concentration led to reinforcement corrosion was defined in this paper as the service life of concrete. The negative logarithm of chloride ion concentration was linear with the electrochemical potential. The chloride concentration in the anode chamber was an approximate linear relationship and increased with the testing time after a different stage. The service life of concrete in a natural diffusion test could be predicted by the accelerated curve. The results show that the service life of 10 mm concrete cover in the chloride environment is between 11.89 and 12.45 years. The experimental value is in good agreement with the Life-365 prediction.

The deterioration of Portland cement pervious concrete (PCPC) subjected to wet-dry cycles in the simulated acid rain solution was investigated; 4% silica fume (SF) and 8% fine aggregate (FAG) were used to replace part of cement and the coarse aggregates (weight by weight), respectively. The wear resistance, the compressive, and flexural strength of PCPC were measured. The results show that after 12 wet-dry cycles in acid rain solution the compressive strength and the flexural strength of control PCPC are decreased by 30.7% and 40.8%. The final compressive strength of PCPC with 4% SF and PCPC with 8% FAG is increased by 6.9% and 30.3%, and the final flexural strength is increased by 25.4% and 72.3%, respectively. The wear loss of PCPC is decreased by 58.8% and 81.9% when 4% SF and 8% FAG is added to PCPC, respectively. The microstructures of PCPC with wet-dry cycles are also discussed.