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  3. New Research Proves that Iron Was an Important Medieval Building Material

New Research Proves that Iron Was an Important Medieval Building Material

New Research Proves that Iron Was an Important Medieval Building Material
New Research Proves that Iron Was an Important Medieval Building Material, At Beauvais Cathedral, iron ties that were thought to have been added centuries after construction were instead dated to the early 13th century. Image © Flickr CC user James Mitchell
At Beauvais Cathedral, iron ties that were thought to have been added centuries after construction were instead dated to the early 13th century. Image © Flickr CC user James Mitchell

The Gothic cathedrals of the middle ages have long been respected as sites of significant architectural and structural experimentation. Hoping to reach ever closer to God, the master masons of the period took increasingly daring structural risks, resulting in some remarkably durably buildings that are not only timeless spaces for worship but miraculous feats of engineering. However, according to new research by a team of French archaeologists and scientists, we still haven't been giving these historic builders enough credit.

Though iron components feature in many Gothic buildings, often forming structural ties to stabilize tall stone buttresses, it was previously assumed that these were later additions to shore up precarious structures. However, thanks to a highly sophisticated carbon dating technique, the team consisting of the Laboratoire archéomatériaux et prévision de l'altération, the Laboratoire de mesure du carbone 14 and "Histoire des pouvoirs, savoirs et sociétés" of Université Paris 8 have shown that iron fixtures were an integral part of cathedral construction techniques from as early as the late 12th Century - meaning that many buildings from the period were essentially hybrid structural systems.

While it is impossible to chemically date iron itself, the team developed a method to extract trace amounts of carbon deposited during the smelting process, allowing them to date the smelting of individual iron components. In Beauvais Cathedral, famous for having the world's tallest choir, the team dated the iron to around 1225, the starting date of the cathedral's construction - suggesting that the lateral supports for the cathedral's flying buttresses were not only included in the original construction phase, but also planned from the very beginning.

The discovery sheds new light on the construction process behind these historic structures, arguably overturning the popular image of the Gothic masons as bold improvisers. What's more, the team is planning to apply this technique to structures in other parts of the world such as Angkor Wat, potentially adding a new twist to the established history of building materials.

H/T Architect Magazine

About this author
Rory Stott
Author
Cite: Rory Stott. "New Research Proves that Iron Was an Important Medieval Building Material" 07 Jan 2015. ArchDaily. Accessed . <https://www.archdaily.com/584521/new-research-proves-that-iron-was-an-important-medieval-building-material/> ISSN 0719-8884
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