8Odler I, Wonnemann R. Effect of alkalies on Portland cement hydration: I. Alkali oxides incorporated into the crystalline lattice of clinker minerals [J]. Cement and Concrete Research, 1983, 13 (4): 477- 482.
9Aitein P C, Jolieoeur C,MacGregor J G. Superplastieizers: how they work and why they occasionally don't [J]. Concrete International,1994,16 (5):45-52.
10Thomas D H,Vance H D.Another look at the Portland cement/ chemical admixture incompatibility problem [J]. Cement, concrete and aggregates,1989,11 (1):52-56.
