7Sun Wei, Yan Handong, Zhan Binggen. Analysis of Mechanism on Water-reducing Effect of Fine Ground Slag, High-calcium Fly Ash, and Low-calcium Fly Ash[J]. Cement and Concrete Research, 2003, 33: 1119-1125.
8Dhir R K, Hubbard F H, Munday J O L, et al. Contribution of PFA to Concrete Workability and Strength Development[J]. Cement and Concrete Research, 1998,18(2) :277-289.
