Nantes Gothic Cathedral 2020 Fire

On July 18th, 2020, a fire has damaged the St Peter and St Paul Gothic Cathedral in Nantes. The fire appeared to be malicious in nature, since three triggers appear to have been found. The most significant damage was suffered by the organ, from the seventeenth century and the 16th century rose window.

Image showing the inside the Cathedral of St Peter and St Paul in Nantes after the 18th July 2020 fire- Image: Department of Fire and Rescue SDIS 44

The firefighters intervened in force and prevented the fire from spreading to the rest of the building. Few day after the fire a volunteer had been detained by the police and questioned about alleged inconsistencies in his schedule, but was released without charge the following day. He was rearrested, indicted, and detained in pre-trial custody on July 25.

Image showing the organo of the Gothic Cathedral of St Peter and St Paul in Nantes, destroyed by the 18th July 2020 fire– Image: Department of Fire and Rescue SDIS 44

Notre Dame Fire: what we know about

The 15 April 2019 Notre Dame Cathedral fire is an iconic event and deserves to be studied appropriately. In the following text will be presented some considerations based on the information available on the internet.

Following at least 30 years of tragic fires that have destroyed several important cultural resources all over the world, such an important renovation site should have been followed with the utmost care. That does not mean that fire could not start but that a different outcome could have been reasonably expected if a fire happened. So, in order to better understand what really happened and, more important, why it happened (the site does not have access to direct information), in the following sections, articles and posts containing information and news about the fire will be quoted, together with the available information about the context, and the fire extinguishing operations carried out by the Paris Fire Brigade.

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Restoration of Sungnyemun Gate, Seoul (Korea)

On Feb. 11, 2008, a fire destroyed Seoul’s 600-year-old Sungnyemun Gate (official name of the Namdaemun), after a five-hour battle by 120 firefighters  that failed to save South Korea’s top national treasure. The capital’s oldest wooden structure (landmark listed as National Treasure No.1), also known as Namdaemun (gate of respecting propriety), caught fire at 8:46 p.m.  and was burnt to its foundations by 2 a.m.

How Is Restoration proceeding? The Cultural Heritage Administration said restoration of the gate will be undertaken in three phases. The first phase of preserving the fire-stricken site was completed on May 2009. The second phase of investigation, excavation and design is underway. Digging will resume soon to discover the exact location of walls, roads and ponds that used to surround the gate in the past. The third phase of reconstruction will begin around January next year for completion in 2012. The government will spend about 25 billion won on the reconstruction project.

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Did Rome’s Colosseum suffered a post earthquake fire in 271 A.D.?

Colosseum simulation of coaction stress distribution
Image showing the simulation of coaction stress distribution in the Rome’s  Colosseum according the Prof. Enzo Cartapati (Sapienza University of Rome), which presentated a study on the effects of the 217 A.D. earthquake and its possibile connection with a fire that damaged in the same period the monument 

In 217 A.D. Rome’s Colosseum was slightly damaged by a fire. Since Rome is built in a seismic area and there is an earthquake reported during September 217 A.D. ,Rome Univerity  La Sapienza’s Professor Enzo Cartapati has studied the possibility of a fire event due to the seismic event.

Together with Maurizio Cerone, Prof. Cartapati has conducted a structural analysis of Colosseum’s stone columns, in order to understand if actually the fire occurred after the seismic shock.

The presentation of such work, presented during the April 11th 2003 Conference “Integrating Historic Preservation with Security, Fire Protection, Life safety and Building Management Systems”,  can be downloaded from this website:

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Impacts of Fire on Stone-Built Heritage

Spalling Fire is one of the major threat to stone-built cultural heritage and this    paper is a review of the existing research into fire damage on building  stone. From early research based on anecdotal evidence of macroscopic  observations, scientists have moved on to develop various techniques  for approaching the investigation of fire damage to stone (high-    temperature heating in ovens, lasers, real flame tests), different aspects    of the damage that fire does have been learned from each, developing    understanding of how microscopic changes affect the whole.

This paper, published on the Journal of Architectural Conservation seeks to highlight the need for a greater awareness of the threat that fire poses (and the need to take precautionary measures in the form of fire-suppression systems), of the immediate effects, and of the long-term management issues of natural stone structures which have experienced fire.

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