{"id":1105,"date":"2021-11-09T11:00:02","date_gmt":"2021-11-09T11:00:02","guid":{"rendered":"https:\/\/superstructuresassociates.co.uk\/?p=1105"},"modified":"2021-11-09T11:54:07","modified_gmt":"2021-11-09T11:54:07","slug":"how-3d-scanning-techniques-are-helping-to-restore-the-gothic-masterpiece-of-notre-dame","status":"publish","type":"post","link":"https:\/\/superstructuresassociates.co.uk\/how-3d-scanning-techniques-are-helping-to-restore-the-gothic-masterpiece-of-notre-dame\/","title":{"rendered":"How 3D scanning techniques are helping to restore the Gothic masterpiece of Notre Dame"},"content":{"rendered":"

Photo credit: Photo by Sebastien on Unsplash<\/strong><\/em><\/p>\n

When flames ripped through Notre Dame cathedral in April 2019, it wasn\u2019t clear that the structure would be saved. But although the spire and part of the roof were destroyed, with damage throughout, the fire was put out in time to save the landmark building and restoration is now underway.<\/p>\n

In fact, with an intensive 5-year restoration mapped out, the plan is that the cathedral should be ready to receive visitors when Paris hosts the summer Olympics in 2024. That may be a little optimistic, but it will be interesting to see whether the project is delivered on time.<\/p>\n

What is fascinating about the restoration, is that this historic structure \u2013 which was a real feat of engineering when it was originally built in the 12th <\/sup>and 13th<\/sup> centuries \u2013 is being restored using digital tools that its original master building team could only dream of.<\/p>\n

At the heart of the work is Building Information Management (BIM). The restoration teams have access to a 3D \u2018digital twin\u2019 of the cathedral. In fact, thanks to the work of the late art and architectural historian, Andrew Tallon, there is an existing pre-fire laser scan of the building \u2013 taken in 2015 \u2013 as well as a post-fire scan taken via drone survey.<\/p>\n

3D scanning techniques from both the ground and at drone level have gathered the millions of coordinates needed for the high-density spatial imaging. For Notre Dame, this modelling was done in Autodesk Revit software. However, the ornate spire that was destroyed, had to be modelled with Autodesk Maya.<\/p>\n

After initially opening a global competition for new designs for the spire, the decision was made to rebuild an identical spire, and this will be constructed using wood timbers. To help keep the project on track, more than 1,000 French oak trees have already been felled. This means they can be dried for 18 months, so that tree sap and moisture doesn\u2019t enter the wood fibres.<\/p>\n

The BIM model helps with these kinds of logistics \u2013 making it easier to get clear on planning and sequencing in the construction work. Plans can also be made with safety and risk management in mind. It also helps to streamline workflows between all the different teams involved in the project. And, of course, the BIM model will play a critical role in planning a fire prevention system that is as close to perfect as possible.<\/p>\n

Restoring a Gothic masterpiece is not easy, and there are more than 12,450 objects that were created for the BIM model. The team has also discovered that out of 180 cathedral vaults, not one is the same. Every single one is different in some small way.<\/p>\n

The BIM model itself is almost 1GB of data \u2013 giving you some idea of how much data has gone into the Notre Dame\u2019s digital twin.<\/p>\n

This is technology we use ourselves, most recently in an extension project on a property overlooking Hyde Park in London. What is striking is the accuracy of the information. Vast numbers of coordinates are scanned very quickly, and you can view what you plan to build in a virtual world. The accuracy of the modelling is incredible.<\/p>\n

The growth of BIM – and the use of it in a wide range of projects \u2013 shows us where technology is heading. These tools will increasingly shape the world of architecture, construction and engineering \u2013 as we create perfect digital replicas of existing buildings, and then explore and alter them in virtual reality.<\/p>\n

There\u2019s a long way to go before we\u2019re all using these tools on every project. And there are problems to be ironed out \u2013 not least how you keep these models secure when multiple teams are using one model. But the technology is here to stay, and we all need to keep up to speed with it!<\/p>\n

Meanwhile, if you need assistance with the structural elements of an upcoming project \u2013 with or without BIM modelling – please do get in touch.<\/p>\n","protected":false},"excerpt":{"rendered":"

Photo credit: Photo by Sebastien on Unsplash When flames ripped through Notre Dame cathedral in<\/p>\n","protected":false},"author":2,"featured_media":1106,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[12,16,22],"tags":[],"acf":[],"yoast_head":"\nHow 3D scanning techniques are helping to restore the Gothic masterpiece of Notre Dame - Super Structures Associates<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/superstructuresassociates.co.uk\/how-3d-scanning-techniques-are-helping-to-restore-the-gothic-masterpiece-of-notre-dame\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How 3D scanning techniques are helping to restore the Gothic masterpiece of Notre Dame - Super Structures Associates\" \/>\n<meta property=\"og:description\" content=\"Photo credit: Photo by Sebastien on Unsplash When flames ripped through Notre Dame cathedral in\" \/>\n<meta property=\"og:url\" content=\"https:\/\/superstructuresassociates.co.uk\/how-3d-scanning-techniques-are-helping-to-restore-the-gothic-masterpiece-of-notre-dame\/\" \/>\n<meta property=\"og:site_name\" content=\"Super Structures Associates\" \/>\n<meta property=\"article:published_time\" content=\"2021-11-09T11:00:02+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-11-09T11:54:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/superstructuresassociates.co.uk\/wp-content\/uploads\/2021\/11\/Digital-tools-in-construction-9.11.21.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1275\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Jen\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jen\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/superstructuresassociates.co.uk\/how-3d-scanning-techniques-are-helping-to-restore-the-gothic-masterpiece-of-notre-dame\/\",\"url\":\"https:\/\/superstructuresassociates.co.uk\/how-3d-scanning-techniques-are-helping-to-restore-the-gothic-masterpiece-of-notre-dame\/\",\"name\":\"How 3D scanning techniques are helping to restore the Gothic masterpiece of Notre Dame - 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