9F. Collinsl and J. G. Sanjayan. Early Age Strength and Workability of Slag Pastes Activated by NaOH and Na2CO3 [J]. Cement and Concrete Research, 1998(28), 655-664
10S.C. Pala, et al. Investigation of hydraulic activity of ground granulated blast furnace slag in concrete [J] . Cement and Concrete Research, 2003 (33)