A study of Brazilian northeast laterite as cement replacement material

This article deals with a preliminary study about development of a pozzolanic material, using calcined laterite as cement replacement. Laterite was calcined at different temperatures and mixed with calcium hydroxide The effects of calcination on mineralogy phases, as well as the characterizzation of the hydrated products were verified Pozzolanic activitie was detected by thermal methods. XRD and compressive strength The best temperature of calcination was between 700°C and 800 C, when calcined int his temperature range, laterite consumed the higher amounts of lime.