The Tower of Pisa

The Leaning Tower of Pisa, a UNESCO World Heritage Site and iconic symbol of early Renaissance Romanesque architecture, was stabilized after decades of concern over its structural integrity. Key to this effort were two critical studies: one reconstructing the tower's inclination history during construction, which informed a sophisticated numerical model essential for evaluating stabilization schemes, and another revealing an unexpected foundation movement mechanism since 1911. These insights enabled the development of temporary and permanent stabilization measures that allowed the tower to reopen to the public in 2001. The research highlights the intersection of geotechnical engineering, conservation architecture, and historical analysis, offering a model for preserving at-risk heritage sites.

Burland, J. B., Jamiolkowski, M. B., Squeglia, N., & Viggiani, C. (2020). The Tower of Pisa. https://doi.org/10.1201/9781003046127