The Medieval Grange of Cuna – Siena (Italy)- Interdisciplinary Studies on Masonry Structures

A team of specialist in different subject worked together with a multidisciplinary approach for the conservation of the complex of the Grange of Cuna, the administrative and storage center of the bigger farm of Santa Maria della Scala Hospital in Siena (Italy) in Middle Ages. Laser scanner surveys, archival and bibliographic researches, stratigraphic surveys, structural surveys were carried on and studied by the members of the team on the complex of 167 rooms. The results obtained by specialist approach was frequently discussed and compared in order to obtain a deeper knowledge of the complex of buildings. Structural engineer studies concerned the identification of different typologies of masonry and the structural diagnostics to mechanical characterization. Double flat jack and sonic inspection were performed on tapial adobe, brick masonry with lime and mud mortar.