{"id":2018,"date":"2026-04-27T11:43:23","date_gmt":"2026-04-27T11:43:23","guid":{"rendered":"https:\/\/protasoftware.com\/fr\/wiki\/analyse-modale-du-seisme-vertical-avec-protastructure-2025\/"},"modified":"2026-04-27T11:43:23","modified_gmt":"2026-04-27T11:43:23","slug":"analyse-modale-du-seisme-vertical-avec-protastructure-2025","status":"publish","type":"wiki","link":"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/analyse-modale-du-seisme-vertical-avec-protastructure-2025\/","title":{"rendered":"Analyse modale du s\u00e9isme vertical avec ProtaStructure 2025"},"content":{"rendered":"<p>With its new features for advanced earthquake engineering applications, ProtaStructure now enables you to perform modal vertical earthquake analyses.<\/p>\n<p>Gr\u00e2ce \u00e0 ses nouvelles fonctions pour le g\u00e9nie parasismique avanc\u00e9,<br \/>\nProtaStructure permet d\u00e9sormais de r\u00e9aliser des analyses modales du s\u00e9isme vertical.<br \/>\nProtaStructure prend en compte les effets de l&rsquo;action sismique verticale dans le<br \/>\ncalcul selon deux m\u00e9thodes :<\/p>\n<ol>\n<li style=\"list-style-type: disc\"><span>Approche statique approch\u00e9e<br \/><\/span><\/li>\n<li style=\"list-style-type: disc\"><span>M\u00e9thode d&rsquo;analyse modale spectrale<br \/><\/span><\/li>\n<\/ol>\n<div><\/div>\n<div><span>Dans l&rsquo;approche statique approch\u00e9e, les modes de vibration verticaux et un<br \/>\nspectre vertical d\u00e9di\u00e9 ne sont pas consid\u00e9r\u00e9s. Le r\u00e9sultat du cas de chargement<br \/>\ngravitaire est multipli\u00e9 par une fraction de l&rsquo;acc\u00e9l\u00e9ration spectrale<br \/>\nhorizontale. Dans la m\u00e9thode d&rsquo;analyse modale spectrale, les modes de vibration<br \/>\nverticaux de la structure sont pris en compte avec un spectre d&rsquo;acc\u00e9l\u00e9ration<br \/>\nverticale.<br \/><\/span><\/div>\n<div><span>\u200b<br \/><\/span><span>Dans cette vid\u00e9o, Mustafa Tan, Product Manager chez Prota Software, montre<br \/>\nen direct comment r\u00e9aliser l&rsquo;analyse modale du s\u00e9isme vertical avec<br \/>\nProtaStructure. Il pr\u00e9sente aussi la visualisation des r\u00e9sultats sur le mod\u00e8le<br \/>\nanalytique.<br \/><\/span><\/div>\n<div><\/div>\n<div><\/div>\n<div>&amp;lt;br&amp;gt;<\/div>\n<div><\/div>\n<div><\/div>\n<div><span style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\" class=\"KB_New_Editor_Highlights\"><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-08c360371587e48703d4ef9d6380bbbc.png\" data-type=\"non-resize\" style=\"position: absolute;left: 12px;top: 14px;width: 15px\" data-image=\"contentStyle\" alt=\"Notes\"><\/p>\n<div>Con\u00e7u par des ing\u00e9nieurs structure pour des ing\u00e9nieurs structure,<br \/>\nProtaStructure offre des outils complets pour un calcul s\u00fbr. ProtaStructure 2025<br \/>\napporte de nouvelles capacit\u00e9s sismiques importantes. La couverture normative du<br \/>\nlogiciel s&rsquo;\u00e9largit encore. Consultez le document &quot;<u><b><span class=\"colour\">Nouveaut\u00e9s de ProtaStructure Suite 2025<\/span><\/b><\/u>&quot;<br \/>\npour d\u00e9couvrir l&rsquo;ensemble de ces nouveaut\u00e9s. Le tableau des<u><b><span class=\"colour\">&nbsp;codes de calcul pris en charge<\/span><\/b><\/u>&nbsp;figure sur notre site.&nbsp;<\/div>\n<p><\/span><\/div>\n<div>\n<p style=\"text-align: justify\" class=\"MsoNormal\"><span lang=\"TR\"><br \/><\/span><\/p>\n<\/div>\n<div>\n<p style=\"text-align: justify\" class=\"MsoNormal\"><\/p>\n<\/div>\n<div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>With its new features for advanced earthquake engineering applications, ProtaStructure now enables you to perform modal vertical earthquake analyses. Gr\u00e2ce \u00e0 ses nouvelles fonctions pour&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"template":"","meta":{"_whitepaper_youtube_videos":"","_whitepaper_youtube_url":"","_whitepaper_youtube_thumbnail":"","footnotes":""},"categories":[53],"whitepaper_topic":[],"whitepaper_product":[],"whitepaper_type":[],"class_list":["post-2018","wiki","type-wiki","status-publish","hentry","category-protastructure-protadetails-videos"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.9 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Analyse modale du s\u00e9isme vertical avec ProtaStructure 2025 - Prota Software<\/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:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/analyse-modale-du-seisme-vertical-avec-protastructure-2025\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Prota Software\" \/>\n<meta property=\"og:description\" content=\"With its new features for advanced earthquake engineering applications, ProtaStructure now enables you to perform modal vertical earthquake analyses. 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