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The quality of constituent materials used in the preparation of concrete plays a paramount role in the development of the physical property of concrete. Water, cement, fine aggregates, coarse aggregates and any admixtures used should be free from impurities that negatively impact on the properties of fresh and hardened concrete. Sand is one of the normal natural fine aggregates used in concrete production as one of the most accessible natural resources. It has been used mostly as a construction material since the earliest days of civilization. The aim of compiling this book has been to give a...