Advanced Concrete Technology. CHAPTER 1 INTRODUCTION TO CONCRETE 1.1 CONCRETE DEFINITION AND HISTORICAL DEVELOPMENT Concrete is a manmade building material that looks like stone. Advanced Concrete Technology training in London (UK) , Dubai (United Arab Emirates) , Kuala Lumpur (Malaysia) , Istanbul (Turkey) , France (Paris) An expert international team of authors from research, academia and industry has been brought together to produce this unique series. Based on the Institute of Concrete Technology's Advanced Concrete Technology Course, these four volumes are a comprehensive educational and reference resource for the concrete materials technologist. Located in Springfield, Mo., Advanced Concrete Technology offers concrete floor building services. Journal of Advanced Concrete Technology (JACT) is an open access international journal for publishing high quality articles on concrete materials, concrete structures and other related subjects toward the advancement of concrete engineering field. Its services include construction of laser flat concrete floors, footing and foundation walls, laser grade base rock and tilt up concrete walls. In 1995, Advanced Concrete Technology, Inc. (ACT) began operations, with the intent of utilizing the latest in technology, equipment, and the most advanced techniques available to provide high quality concrete construction for local and national companies alike. All articles in JACT are free to access and download. The word “concrete” is derived from the Latin concretus, meaning “to grow together.” Concrete is a composite material com-