关于砼外加剂发展的几点建议毕建新李莉宫少峰吉猛银（济南中建八局建材科研所）硅酸盐水泥早已成为人们公认的三大建筑材料之一，而水泥砼材料也已成为当代建筑的主要材料。１００多年来硅酸盐水泥的主要组分和性能基本没有变化，但水泥砼却发生了三次重大的技术突破：一... Some suggestions on the development of concrete admixture Bi Jianxin Li Li Gong Shaofeng Ji Meng silver (Jinan Zhongjianba Building Materials Research Institute) Portland cement has long been recognized as one of the three major building materials, and cement concrete materials Has become the main material of contemporary architecture. Over the past 100 years, the main components of Portland cement and properties of the basic no change, but cement concrete has undergone three major technological breakthroughs: a ...