Product Description Chemical admixtures are used to modify the properties and behaviour of fresh and hardened concrete. They enable more economic construction and the achievement of special properties such as high strength or durability. This book presents new research information from an International RILEM Symposium on six main topics: workability, setting, strength, durability, other properties and technology. Review "..will undoubtedly find a place in research libraries and on the shelves of specialists." - Rheology Abstracts About the Author E. Vazques, Department of Construction Engineering, School of Civil Engineering, Universitat Politecnica de Catalunya (UPC), Barcelona, Spain.