Expert system for evaluation of deterioration of ancient brick masonry structures

The aim of the research on brick masonry degradation supported by the D.G. XII is presented. The project has delivered a damage atlas of ancient brick masonry, a book with a description of the types of damage, and their possible causes, in ancient brick masonry structures and Masonry Damage Diagnostic System (MDDS), an expert computer system allowing the user to define damage types and damage causes in ancient brick masonry structures. The scientific methodology used for the development of both documents is given. Illustration of the MDDS is done through explaining the type, processes and cause of damage that occurs to historic brick masonry structures related to air pollution and traffic.