This Webinar is being organised by the Italian group of IABSE and IABSE Task Group 5.1 (Forensic Structural Engineering).
Summary of the Webinar:
The history of the Leaning Tower of Pisa, a monument with an age of 850 years, a settlement of 3 m and an out of plumb of 5 m, is briefly recalled. The intervention of underexcavation carried out in the 1990’s is described; it succeeded in arresting the progress of the inclination of the monument, though fully respecting its integrity.
Several lessons have been learned by this experience.
First, the analysis of the history of the Tower, and particularly its monitoring in the last decades, greatly contributed to a thorough understanding of the mechanism of instability and to the conception of a stabilising intervention.
Secondly, an important role has been played by a truly interdisciplinary approach. This is probably a banal observation since the importance of a shared culture among the different actors of conservation and restoration appears by now widely recognized. In fact, many preach interdisciplinarity but few practice it, probably because it is a not easy matter.
Finally, it is shown that a modicum of good luck won’t do any harm!