4NEHDI M,HAYEK M.Behavior of blended cement mortars exposed to sulfate solutions cycling in relative humidity[J].Cement and Concrete Research,2005,35(4):731-742.
5SAMSON E,MALTAIS Y,BEAUDOIN J J,et al.Theorctical analysis of the effect of weak sodium sulfate solutions on the durability of con-crete[J].Cement and concrete Research,2002,32(24):317-329.
6TUMIDAJSKI P J.An effective diffusivity for sulfate transport into concrete[J].Cement and Concrete Research,1995,25(6):1 159-1 163.
7NEVILLE A.The confused world of sulfate attack on concrete[J].Cement and Concrete Research,2004,34(8):1 275-1 296.
