Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Thermal treatment and utilization of flue gas desulphurization gypsum as an admixture in cement and concrete
AbstractIn this paper, the possibility of flue gas desulphurization (FGD) gypsum as an admixture in cement and concrete was explored. The gypsum was baked at the proper temperature of 200°C for 60min and then mixed into slag powder forming Compound-slag in which SO3 content was controlled at the optimum ratio of 3.5%. Performances of Portland cement with Compound-slag were further explored. The results show that addition of the gypsum prolongs setting time and increases strength of cement. In addition, adaptability of Portland cement with Compound-slag to concrete plasticizers was also investigated. It is well adapted to melamine and naphthalene super-plasticizers but not to lignosulphonate.
Thermal treatment and utilization of flue gas desulphurization gypsum as an admixture in cement and concrete
AbstractIn this paper, the possibility of flue gas desulphurization (FGD) gypsum as an admixture in cement and concrete was explored. The gypsum was baked at the proper temperature of 200°C for 60min and then mixed into slag powder forming Compound-slag in which SO3 content was controlled at the optimum ratio of 3.5%. Performances of Portland cement with Compound-slag were further explored. The results show that addition of the gypsum prolongs setting time and increases strength of cement. In addition, adaptability of Portland cement with Compound-slag to concrete plasticizers was also investigated. It is well adapted to melamine and naphthalene super-plasticizers but not to lignosulphonate.
Thermal treatment and utilization of flue gas desulphurization gypsum as an admixture in cement and concrete
Guo, Xiao Lu (Autor:in) / Shi, Hui Sheng (Autor:in)
Construction and Building Materials ; 22 ; 1471-1476
03.04.2007
6 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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