ABSTRACT

During recent years protection and repair of concrete structures has become an economically important and scientifically interesting field. World-wide the investments for maintenance, repair and restoration of the infrastructure are increasing. As buildings generally are unique with own histories individual solutions are required for maintenance and repair. This has lead to the development of lots of different basic strategies and solutions for the repair of concrete structures. However, these strategies and solutions can be classified: The new European Standard Series EN 1504 lists e.g. 43 methods to protect and repair concrete structures according to altogether 11 different principles. It is the task of the designer of repair or protection works to select appropriate solutions taking the relevant technical and economical facts into account.