2024-05-01 16:10:24
INVESTIGATION – For five years, dozens of scientists worked on the sidelines of the restoration work, thereby transforming the disaster into a tremendous opportunity to rediscover this mythical monument.
On December 8, 2024, a little more than five years after the fire of April 15, 2019, Notre-Dame de Paris will reopen its doors. Parisians and tourists from all over the world will return to visit the nave, the faithful will come to attend services. Far from view, without leaving a trace, these five years spent rebuilding the cathedral will also have been devoted to scientific expertise. If research initially served restoration, little by little, restoration in turn put itself at the service of knowledge.
The use of cutting-edge technologies, such as laser drones or georadar, made it possible to identify faults, take the dimensions of the cathedral walls, and check which were damaged. Then, as the work progressed, new questions emerged. « Reopening is not the end of the story for us, says Philippe Dillmann, physico-chemist and research director at the CNRS who coordinates the CNRS-Ministry of…
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