Abstract
The paper shows three examples of research carried out at the University of Bologna which have the aim of defining the procedures for adapting the performance levels and using instrumental analysis and operational protocols according to innovative methodological criteria. Their specificity lies mainly in the attention directed toward those aspects of existing buildings that usually can not be investigated exclusively with quantitative methods. The three lines of research relate to: the expeditious assessment of the seismic vulnerability of building aggregates, the study of wide span wooden roofs in some churches of Bologna and the identification of hidden masonry textures through the use of the thermal imager.
