According to the request of super high early strength, admixture RF is obtained though tests to compare performances of different accelerators and admixtures.

• 针对超早强的性能要求，试验比较了不同早强剂及早强性掺合料的性能表现，研制了早强性能显著、与高效减水剂和水泥相容性较好的RF掺合料；