Cement and concrete mineral admixtures concentrates mostly on natural pozzolans fly ashes ground granulated blast furnace slag silica fume and limestone powder namely the most commonly used mineral admixtures others such as metakaolin rice husk ash expanded clays and shales are also discussed their chemical mineralogical and physical properties are outlined the influence of mineral . Cement and concrete mineral admixtures concentrates mostly on natural pozzolans fly ashes ground granulated blast furnace slag silica fume and limestone powder namely the most commonly used . Book description written to meet the requirements of engineers working in construction and concrete manufacturing mineral admixtures in cement and concrete focuses on how to make more workable and durable concrete using mineral admixturesin particular it covers pulverized fuel ash pfa blast furnace slag bfs silica fume sf rice husk ash rha and metakaolin mk as well as some . The text addresses the sustainable development of cement and the construction industry and provides an understanding of the materials aspects of mineral admixtures and their positive impact on the hydration and durability of concrete in an effort to encourage greater utilization of other wastes in cement and concrete the author explains the . A material other than water aggregates or cement that is used as an ingredient of concrete or mortar to control setting and early hardening workability or to provide additional cementing properties admixtures are generally used to alter the properties of concrete such as increased workability or reduced water content acceleration or retardation of setting time