Notre Dame Cathedral (Notre Dame) was the first Gothic cathedral to be built using iron rebar. The portal provides information on this Phys.org With reference to PLoS ONE. This was known only during the reconstruction after the fire in 2019. During the study, the researchers gained access to previously hidden parts of the building. They examined 12 iron staples that held the stones in different places.
The material was subjected to microscopic, chemical and architectural analysis as well as radiocarbon dating. According to research, staples were used in the early stages of construction in the 1160s. In the middle of the 12th century, the cathedral was considered the tallest building in Paris – its height was 32 meters. This has been achieved through architectural innovation. Experts haven’t pinpointed the exact role iron plays in this.
“Iron was seen as a viable building material to create a new architectural form,” the scientists said.
On April 15, 2019, a fire broke out at the pier near Notre Dame. The fire quickly spread to the cathedral. The fire had a devastating effect on the iconic architecture of Paris.
It was previously reported that Notre Dame Cathedral was located. will open For visitors at the end of 2024. The French government said the rebuilding of Notre Dame Cathedral was progressing fast enough.