A Study of the Influence of FGD Gypsum Used as Cement Retarder on the Properties of Concrete
This paper describes replacing natural gypsum with FGD gypsum as cement retarder, the influence on the working performance, compressive strength and admixture adaptability of concretes, which were prepared with fly ash cement, slag cement and ordinary Portland cement. The results indict the FGD gypsum instead of natural gypsum used as cement retarder has little difference on the working performance of concrete and additionally the FGD gypsum has no negative influence on the compressive strength and admixture adaptability of concretes.
Hui Li, Yan Feng Liu, Ming Guo, Rui Zhang and Jing Du
P. X. Duan et al., "A Study of the Influence of FGD Gypsum Used as Cement Retarder on the Properties of Concrete", Advanced Materials Research, Vols. 374-377, pp. 1311-1319, 2012