LC³ Cement Produced Using New Additives

Portland cement is one of the most important binding materials in construction industry. It is manufactured at a very high temperature and thus consumes lot of energy. It consumes lot of good quality of limestone and at the same time it emits large quantity of CO₂ responsible for global warming. Number of measures is being made to reduce CO₂ emissions and decrease consumption of limestone and energy. One of the ways is to use waste natural materials like China clay, which is available many parts of India. Limestone calcined clay cement (LC³) was produced on a pilot scale in a JK Lakshmi cement grinding unit (Jhajjar, Haryana, India). Due to high water consistency compare with OPC cement. JK Lakshmi cement had developed the improved version of LC³ cement with low water consistency. LC³ cement are being studied all over the world but some of problems persist. In this paper, we have studied the hydration and durability of improved version of LC³ cement. Water consistency, setting times, non-evaporable water contents, compressive strength measurements, water percolation and X-ray diffraction studies were made to understand the hydration process.