Cracks in the ankles of Michelangelo’s David statue, damaged columns in the cistern of the Hagia Tekla Basilica: Are these ancient structures in danger of collapsing? Researchers at Technical University of Munich (TUM) have developed a new process that makes it possible to assess the mechanical condition of structures based on photographs.
In the 1960s a column of the Hagia Tekla Basilica cistern in Turkey collapsed and had to be replaced with a concrete pillar. Other columns of the ancient structure have suffered over time as well. In order to assess the danger of their collapsing experts have to know which forces are acting within the structure. ...