Influences of moisture states of fine aggregate on performances of low-grade concrete
wang yuli1; guan xuemao1; yang lei1; zhou mingkai2; li beixing2 (1.faculty of materials science and engineering; henan polytechnic university; jiaozuo; 454003; henan; 2.key laboratory of silicate materials science and engineering of ministry of education; wuhan university of technology; wuhan; 430070; hubei; china)