Abstract: Alkali-activated slag (AAS) cement is environment-friendly cementitious material with high strength and high durability made of slag activated by alkali activators. It is considered to be a potential substitute for ordinary portland cement, but its wider utilization is limited by significant drying shrinkage. How to control the drying shrinkage of AAS cement-based materials within a reasonable range through reasonable and effective shrinkage reduction approaches is a problem to be solved in practical engineering application. In this paper, the research status of reducing the drying shrinkage of AAS cement-based materials at home and abroad are systematically reviewed. And the shrinkage reduction effects of fibers, admixtures, activator types, dosage and modulus, mineral admixtures, curing conditions and internal curing on the drying shrinkage of AAS cement-based materials are summarized. Finally, the limitations in the shrinkage reduction research of AAS cement-based materials and suggestions as well as perspectives for the future are provided.
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