Early hydration characteristics and paste structure of complex binding material containing high-volume steel slag were studied by the determination of hydration heat evolution, type of hydration products as well as micromorphology of hardened paste using calorimetry, X-ray diffraction, pressure porosimeter, and envirnoment scanning electron microscope.

Studies on the grinding process of steel and iron slag cement with high steel slag content;

Application of high-proportion fine slag concrete to Tianjin Section of Mid-route of South-to-North Water Transfer Project;

Test results show that the freeze thaw durability and strength of GGBS concrete are greatly affected by the strength grade,curing regime and GGBS replacement level.

Study on the cognizance method of addition amount of waste residue to building materials product in the comprehensive utilization of resource;