#43 Mineral Admixtures | LC3 | Part 1 | Introduction | Admixtures & Special Concretes

Welcome to 'Admixtures and Special Concretes' course ! This lecture discusses the use of finely ground limestone as an additive to Portland cement, and then introduces Limestone Calcined Clay Cement (LC3). It reviews the concept of performance improvers in Portland cement manufacturing and explains how limestone reacts with calcium hydroxide to produce carbo phases. The lecture delves into the chemical reaction involved in LC3, where cement is partially replaced by a combination of limestone and calcined clay. NPTEL Courses permit certifications that can be used for Course Credits in Indian Universities as per the UGC and AICTE notifications. To understand various certification options for this course, please visit https://nptel.ac.in/courses/105106225 #Limestone #CalcinedClay #LC3Cement #MineralAdditives #ConcreteDurability