{"id":5641,"date":"2025-12-04T15:54:45","date_gmt":"2025-12-04T14:54:45","guid":{"rendered":"https:\/\/www.a2d.ai\/le-donjon-de-niort-restoration-work-guided-by-technological-innovation\/"},"modified":"2025-12-05T15:59:25","modified_gmt":"2025-12-05T14:59:25","slug":"le-donjon-de-niort-restoration-work-guided-by-technological-innovation","status":"publish","type":"post","link":"https:\/\/www.a2d.ai\/en\/le-donjon-de-niort-restoration-work-guided-by-technological-innovation\/","title":{"rendered":"Le Donjon de Niort: restoration work guided by technological innovation"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"5641\" class=\"elementor elementor-5641 elementor-5500\" data-elementor-post-type=\"post\">\n\t\t\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-54172313 e-con-full e-flex e-con e-parent\" data-id=\"54172313\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-277c2b32 elementor-widget elementor-widget-image\" data-id=\"277c2b32\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"685\" src=\"https:\/\/www.a2d.ai\/wp-content\/uploads\/2025\/12\/Digues-portuaires-La-Rochelle-visuel-2-1024x685.jpg\" class=\"attachment-large size-large wp-image-5490\" alt=\"\" srcset=\"https:\/\/www.a2d.ai\/wp-content\/uploads\/2025\/12\/Digues-portuaires-La-Rochelle-visuel-2-1024x685.jpg 1024w, https:\/\/www.a2d.ai\/wp-content\/uploads\/2025\/12\/Digues-portuaires-La-Rochelle-visuel-2-300x201.jpg 300w, https:\/\/www.a2d.ai\/wp-content\/uploads\/2025\/12\/Digues-portuaires-La-Rochelle-visuel-2-768x514.jpg 768w, https:\/\/www.a2d.ai\/wp-content\/uploads\/2025\/12\/Digues-portuaires-La-Rochelle-visuel-2.jpg 1100w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-31dd632c e-con-full e-flex e-con e-child\" data-id=\"31dd632c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1cf1d36c elementor-widget elementor-widget-heading\" data-id=\"1cf1d36c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">La Rochelle, 01\/10\/2025<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-39865d2 elementor-widget elementor-widget-heading\" data-id=\"39865d2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Precise diagnosis thanks to 3D modeling and artificial intelligence<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-468e1137 elementor-widget elementor-widget-text-editor\" data-id=\"468e1137\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The Donjon de Niort, an emblematic monument listed since 1840, is currently undergoing major restoration work that will last a year. The work, necessitated by decades of water infiltration which had weakened the masonry, was precisely planned thanks to A2D, an innovative SME based in La Rochelle specializing in the inspection and monitoring of infrastructure and engineering structures.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-498a93d elementor-widget elementor-widget-heading\" data-id=\"498a93d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Cutting-edge technology at the service of heritage<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-61da6e3 e-con-full e-flex e-con e-child\" data-id=\"61da6e3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-566decd e-con-full e-flex e-con e-child\" data-id=\"566decd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1b67354b elementor-widget elementor-widget-image\" data-id=\"1b67354b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"461\" height=\"614\" src=\"https:\/\/www.a2d.ai\/wp-content\/uploads\/2025\/12\/Le-Donjon-de-Niort-visuel-1.jpeg\" class=\"attachment-full size-full wp-image-5504\" alt=\"\" srcset=\"https:\/\/www.a2d.ai\/wp-content\/uploads\/2025\/12\/Le-Donjon-de-Niort-visuel-1.jpeg 461w, https:\/\/www.a2d.ai\/wp-content\/uploads\/2025\/12\/Le-Donjon-de-Niort-visuel-1-225x300.jpeg 225w\" sizes=\"(max-width: 461px) 100vw, 461px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-4d5a5c7 e-con-full e-flex e-con e-child\" data-id=\"4d5a5c7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9e8e51a elementor-widget elementor-widget-text-editor\" data-id=\"9e8e51a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A2D was founded 8 years ago by Pierre Loonis, Doctor in Images and Computer Science and former University Professor. The company employs 8 top-level staff: scientists and engineers from top-level training courses specializing in applied mathematics, image processing, data science and artificial intelligence. The team also includes a former fighter pilot who brings his operational expertise in aerial data acquisition. This unique concentration of academic and technical expertise has enabled us to develop a digital inspection platform that digitizes structures, creates high-precision 3D models and integrates automated anomaly detection.<\/p><p><br>As part of the Op\u00e9ration Phoenix program run by Alt\u00e6 Technopole Niort Deux-S\u00e8vres, A2D has worked with local authorities to draw up technical inventories of heritage infrastructures. Le Donjon de Niort benefited from this cutting-edge expertise.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-374cadea elementor-widget elementor-widget-heading\" data-id=\"374cadea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">The Donjon's digital health record<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f1312cd elementor-widget elementor-widget-text-editor\" data-id=\"1f1312cd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"p2\">Thanks to the A2D Fast solution, Niort Agglo&#8217;s technical teams were able to obtain a 3D digital twin of the monument in just a few hours. This modelling made it possible to :<\/p><ul><li>Precise mapping of all cracks and damaged areas on facades<\/li><li>Locate areas of water infiltration on the north tower terrace to the centimetre.<\/li><li>Prioritize interventions according to their level of criticality<\/li><\/ul><p>&#8220;It was both urgent and prudent to undertake this work to avoid further damage over time,&#8221; explains Jo\u00ebl Forget, building project coordinator for the Niort conurbation.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e2b27cf elementor-widget elementor-widget-image\" data-id=\"e2b27cf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"470\" src=\"https:\/\/www.a2d.ai\/wp-content\/uploads\/2025\/12\/Le-Donjon-de-Niort-visuel-2-1024x470.jpeg\" class=\"attachment-large size-large wp-image-5506\" alt=\"\" srcset=\"https:\/\/www.a2d.ai\/wp-content\/uploads\/2025\/12\/Le-Donjon-de-Niort-visuel-2-1024x470.jpeg 1024w, https:\/\/www.a2d.ai\/wp-content\/uploads\/2025\/12\/Le-Donjon-de-Niort-visuel-2-300x138.jpeg 300w, https:\/\/www.a2d.ai\/wp-content\/uploads\/2025\/12\/Le-Donjon-de-Niort-visuel-2-768x353.jpeg 768w, https:\/\/www.a2d.ai\/wp-content\/uploads\/2025\/12\/Le-Donjon-de-Niort-visuel-2-1536x706.jpeg 1536w, https:\/\/www.a2d.ai\/wp-content\/uploads\/2025\/12\/Le-Donjon-de-Niort-visuel-2-1568x720.jpeg 1568w, https:\/\/www.a2d.ai\/wp-content\/uploads\/2025\/12\/Le-Donjon-de-Niort-visuel-2.jpeg 1787w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-178ceb80 elementor-widget elementor-widget-heading\" data-id=\"178ceb80\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Targeted, optimized work<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-686b36b0 elementor-widget elementor-widget-text-editor\" data-id=\"686b36b0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The work mainly concerns the terrace of the north tower to recreate a complete watertight seal, repairing cracks on the facades, and grouting the interior of the<br>The precise diagnosis provided by A2D enabled Niort Agglo&#8217;s teams to visualize the areas of interest for maintenance, in particular the junctions between the original parts and the successive reconstructions, enabling them to prioritize work and optimize maintenance costs.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4ba94c2 elementor-widget elementor-widget-image\" data-id=\"4ba94c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"811\" height=\"673\" src=\"https:\/\/www.a2d.ai\/wp-content\/uploads\/2025\/12\/Le-Donjon-de-Niort-visuel-3.jpeg\" class=\"attachment-large size-large wp-image-5508\" alt=\"\" srcset=\"https:\/\/www.a2d.ai\/wp-content\/uploads\/2025\/12\/Le-Donjon-de-Niort-visuel-3.jpeg 811w, https:\/\/www.a2d.ai\/wp-content\/uploads\/2025\/12\/Le-Donjon-de-Niort-visuel-3-300x249.jpeg 300w, https:\/\/www.a2d.ai\/wp-content\/uploads\/2025\/12\/Le-Donjon-de-Niort-visuel-3-768x637.jpeg 768w\" sizes=\"(max-width: 811px) 100vw, 811px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-15edf731 elementor-widget elementor-widget-heading\" data-id=\"15edf731\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">An innovative approach to heritage preservation<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6cba6b39 elementor-widget elementor-widget-text-editor\" data-id=\"6cba6b39\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Pierre Loonis, founder of A2D, explains: &#8220;The general idea was to build a sort of health record for the Donjon, enabling the community to arbitrate budgets with objective data rather than estimates, and above all to anticipate interventions before they become urgent and much more costly.&#8221;<\/p><p>The Donjon is now digitized in 3D and archived on A2D&#8217;s collaborative SaaS platform, accessible to all stakeholders in the renovation project (architects, construction companies, design offices, technical departments of the conurbation&#8230;). This living archive enables precise monitoring of the progress of the work, with successive diagnostics over time to verify the effectiveness of the work, ensure complete traceability with before-and-after comparisons for each area treated, as well as precise, objective documentation for insurance companies and inspection bodies.<\/p><p>The City of Niort and Niort Agglo are thus demonstrating their commitment to preserving our historic heritage by using the most advanced technologies, combining tradition and innovation in the public interest. A2D has also applied this innovative technology to other remarkable heritage sites in the region, including the Abbey of Saint-Maixent-l&#8217;\u00c9cole, the Ch\u00e2teau du Coudray-Salbart, and the port infrastructures of the Grand Port Maritime de La Rochelle.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-31e7eb24 e-flex e-con-boxed e-con e-parent\" data-id=\"31e7eb24\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4796ee82 elementor-widget elementor-widget-heading\" data-id=\"4796ee82\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">About A2D<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4cf3e831 elementor-widget elementor-widget-text-editor\" data-id=\"4cf3e831\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A2D, an SME based in La Rochelle specializing in inspection using artificial intelligence, develops infrastructure monitoring solutions combining data acquisition, 3D modeling and automatic anomaly detection.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a2590a3 elementor-widget elementor-widget-heading\" data-id=\"a2590a3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Contact<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0a4537a elementor-widget elementor-widget-text-editor\" data-id=\"0a4537a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Marketing and Communication Manager &#8211; Iris Texier &#8211; 06 33 51 50 10 &#8211; France<\/strong> <a href=\"mailto:iris.texier@a2d.ai\">iris.texier@a2d.ai<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>La Rochelle, 01\/10\/2025 Precise diagnosis thanks to 3D modeling and artificial intelligence The Donjon de Niort, an emblematic monument listed since 1840, is currently undergoing major restoration work that will last a year. The work, necessitated by decades of water infiltration which had weakened the masonry, was precisely planned thanks to A2D, an innovative SME [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5533,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-5641","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"yoast_head":"<title>Le Donjon de Niort: restoration work guided by technological innovation | A2D<\/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:\/\/www.a2d.ai\/en\/le-donjon-de-niort-restoration-work-guided-by-technological-innovation\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le Donjon de Niort: restoration work guided by technological innovation | A2D\" \/>\n<meta property=\"og:description\" content=\"La Rochelle, 01\/10\/2025 Precise diagnosis thanks to 3D modeling and artificial intelligence The Donjon de Niort, an emblematic monument listed since 1840, is currently undergoing major restoration work that will last a year. 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