This is the thoroughly revised and updated edition of the popular textbook | guidebook which deals with repair, rehabilitation and retrofitting of concrete structures and provides sufficient information on the related state-of-the-art. It is divided into six parts (31 chapters). This edition discusses: Durability Repair materials Damage assessment Repair and rehabilitation of concrete structures Retrofitting of structures Case studies of various types of concrete structures It will be immensely useful to undergraduate and postgraduate students in civil engineering, and practicing engineers engaged in repair, rehabilitation and retrofitting of concrete structures in building?construction industry. The faculty members of civil engineering courses will also find the book extremely beneficial for the effective teaching?learning process.