{"id":2298,"date":"2026-04-27T12:55:05","date_gmt":"2026-04-27T12:55:05","guid":{"rendered":"https:\/\/protasoftware.com\/fr\/wiki\/isolateurs-sismiques-non-lineaires\/"},"modified":"2026-04-27T12:55:05","modified_gmt":"2026-04-27T12:55:05","slug":"isolateurs-sismiques-non-lineaires","status":"publish","type":"wiki","link":"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/isolateurs-sismiques-non-lineaires\/","title":{"rendered":"Isolateurs sismiques non lin\u00e9aires"},"content":{"rendered":"<div><span class=\"fontstyle0\"><\/p>\n<div><span class=\"colour\">Gr\u00e2ce \u00e0 notre expertise en isolation sismique, nous avons d\u00e9velopp\u00e9 de nouveaux outils. Ils garantissent le calcul final pr\u00e9cis des b\u00e2timents \u00e0 isolation sismique.<\/span><\/div>\n<\/p>\n<div><span class=\"colour\">Le calcul des structures parasismiques exige une expertise en g\u00e9nie parasismique avanc\u00e9. L&rsquo;isolation sismique permet d&rsquo;allonger la p\u00e9riode de la structure au-dessus du niveau d&rsquo;isolation. Elle r\u00e9duit les forces sismiques, l&rsquo;acc\u00e9l\u00e9ration d&rsquo;\u00e9tage et les d\u00e9placements relatifs. Les isolateurs sismiques introduisent aussi un certain niveau d&rsquo;amortissement dans la structure. Certains points importants doivent toutefois \u00eatre pris en compte. Ils concernent les phases de construction et de projet de ces structures.<\/span><\/div>\n<\/p>\n<div><span class=\"colour\">Voici les principales phases du calcul des structures parasismiques :<\/span><span class=\"colour\"><br \/><\/span><\/div>\n<p><\/span><\/div>\n<ol>\n<li style=\"list-style-type: decimal\"><span class=\"colour\"><b><span class=\"colour\">D\u00e9finir l&rsquo;architecture et la fonction de la structure<\/span><\/b><span class=\"colour\"> : la fonction du b\u00e2timent doit \u00eatre con\u00e7ue&nbsp;<\/span><\/span><span class=\"colour\">en tenant compte des isolateurs sismiques, d\u00e8s les phases de conception architecturale et m\u00e9canique. <\/span><span class=\"colour\"><br \/><\/span><\/li>\n<li style=\"list-style-type: decimal\"><span><b><span class=\"colour\">D\u00e9finir le syst\u00e8me structurel<\/span><\/b><span class=\"colour\"> : il est essentiel de d\u00e9terminer l&#8217;emplacement des isolateurs et de calculer&nbsp;<\/span><\/span><span class=\"colour\">les \u00e9l\u00e9ments qui transmettront les efforts en toute s\u00e9curit\u00e9. <\/span><span class=\"colour\"><br \/><\/span><\/li>\n<li style=\"list-style-type: decimal\"><span class=\"colour\">Identifier <\/span><b><span class=\"colour\">les al\u00e9as sismiques propres au site<\/span><\/b><span class=\"colour\">, d\u00e9terminer des<\/span><b><span class=\"colour\"> mouvements du sol appropri\u00e9s<\/span><\/b><span class=\"colour\">, et des <\/span><b><span class=\"colour\">spectres cibles<\/span><\/b><span class=\"colour\">.<\/span><span class=\"colour\"><br \/><\/span><\/li>\n<li style=\"list-style-type: decimal\"><span class=\"colour\">Mod\u00e9liser la structure et r\u00e9aliser des calculs pr\u00e9liminaires pour <\/span><b><span class=\"colour\">d\u00e9terminer les types d&rsquo;unit\u00e9s d&rsquo;isolateurs<\/span><\/b><span class=\"colour\">. Une analyse lin\u00e9aire \u00e9lastique peut suffire \u00e0 ce stade. Les types d&rsquo;isolateurs sont g\u00e9n\u00e9ralement choisis avec les fabricants. <\/span><span class=\"colour\"><br \/><\/span><\/li>\n<li style=\"list-style-type: decimal\"><b><span class=\"colour\">Finaliser le calcul <\/span><\/b><span class=\"colour\">de la structure avec les types d&rsquo;isolateurs retenus. Les v\u00e9rifications de calcul, de d\u00e9placement et de p\u00e9riode utilisent les valeurs limites inf\u00e9rieure et sup\u00e9rieure des isolateurs, pour diff\u00e9rents niveaux sismiques.<\/span><\/li>\n<\/ol>\n<h2 class=\"toc_anchors\" id=\"Seismic_Isolator_Library\"><span class=\"colour\">Biblioth\u00e8que des isolateurs sismiques<\/span><\/h2>\n<div><span class=\"fontstyle0\"><\/p>\n<div><span style=\"font-size: 11pt\">Les types d&rsquo;isolateurs sismiques peuvent d\u00e9sormais \u00eatre d\u00e9finis \u00e0 l&rsquo;aide de la biblioth\u00e8que, disponible dans le ruban <\/span><b style=\"font-size: 11pt\">Mod\u00e9lisation <\/b><span style=\"font-size: 11pt\">&gt; <\/span><b style=\"font-size: 11pt\">Isolateurs sismiques<\/b><span style=\"font-size: 11pt\">.<\/span><span class=\"colour\"><\/span><\/div>\n<p><\/span><span class=\"colour\"><span style=\"font-size: 11pt\" class=\"size\"><\/p>\n<div><span class=\"colour\">Outre les <b>Propri\u00e9t\u00e9s lin\u00e9aires <\/b>des unit\u00e9s d&rsquo;isolation, les <b>Propri\u00e9t\u00e9s non lin\u00e9aires<\/b> peuvent&nbsp; \u00e9galement \u00eatre d\u00e9finies. Toute modification apport\u00e9e dans la biblioth\u00e8que se r\u00e9percute automatiquement sur tous les types assign\u00e9s.<\/span><\/div>\n<\/p>\n<div><span class=\"colour\">Les propri\u00e9t\u00e9s non lin\u00e9aires peuvent \u00eatre calcul\u00e9es automatiquement \u00e0 partir de param\u00e8tres tels que l&rsquo;<b>effort axial, le coefficient de frottement<\/b>, et <b>le rayon net du pendule<\/b>, pour les unit\u00e9s d&rsquo;isolateurs \u00e0 pendule \u00e0 friction (FPS). <\/span><\/div>\n<p><\/span><\/span><\/div>\n<div><\/div>\n<div><span class=\"colour\"><span style=\"font-size: 11pt\" class=\"size\"><span class=\"colour\">La relation force-d\u00e9formation peut aussi \u00eatre d\u00e9finie manuellement, en saisissant des valeurs telles que la <b>raideur initiale, la raideur post-\u00e9lastique,<\/b> et la <b>force de plastification<\/b>.&nbsp;<\/span><\/span><\/span><\/div>\n<div><\/div>\n<div><span class=\"colour\"><span style=\"font-size: 11pt\" class=\"size\"><span class=\"colour\">Pour les <b>appuis en caoutchouc-plomb<\/b>, les propri\u00e9t\u00e9s non lin\u00e9aires peuvent \u00eatre d\u00e9finies en saisissant des valeurs diff\u00e9rentes pour la raideur initiale, la raideur post-\u00e9lastique et la force de plastification, dans chaque direction.<\/span><\/span><\/span><\/div>\n<div><\/div>\n<div><span class=\"colour\"><span style=\"font-size: 11pt\" class=\"size\"><span class=\"colour\"><img decoding=\"async\" style=\"max-width: 100%;height: auto;padding: 0\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-77644be366ac9a7e1ecd6651b07d5489.png\">&nbsp;&nbsp;<img decoding=\"async\" style=\"max-width: 100%;height: auto;padding: 0\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-5f65051d9bc761ee3cf2ae1178791ecf.png\"><\/span><\/span><\/span><\/div>\n<div><\/div>\n<h2 class=\"toc_anchors\" id=\"Assigning_Seismic_Isolators_to_Members\"><span class=\"fontstyle0\"><span class=\"colour\">Attribution des isolateurs sismiques aux \u00e9l\u00e9ments<\/span><br \/><\/span><\/h2>\n<div><span class=\"fontstyle0\"><\/p>\n<h3 id=\"Assigning_Seismic_Isolators_to_Columns\" class=\"toc_anchors\"><span class=\"colour\"><span style=\"font-size: 13pt\" class=\"size\">Attribution des isolateurs sismiques aux poteaux<\/span><\/span><br \/><\/h3>\n<p><\/span><span class=\"colour\"><span style=\"font-size: 13pt\" class=\"size\"><\/p>\n<p><\/span><\/span><span class=\"colour\"><span style=\"font-size: 11pt\" class=\"size\"><\/p>\n<div>Pour attribuer des isolateurs sismiques aux poteaux :<\/div>\n<\/p>\n<div>1.&nbsp;<span style=\"font-size: 11pt\">S\u00e9lectionnez un poteau \u00e0 l&rsquo;\u00e9cran, puis utilisez la commande \u00ab&nbsp;<b>Attribuer un isolateu<\/b><b>r<\/b>&nbsp;\u00bb dans le menu contextuel.<\/span><\/div>\n<\/p>\n<div>2. S\u00e9lectionnez l&rsquo;un des types d&rsquo;isolateurs pr\u00e9c\u00e9demment d\u00e9finis dans la biblioth\u00e8que, dans la liste \u00ab&nbsp;Isolateur sismique&nbsp;\u00bb.<\/div>\n<\/p>\n<div>3. Saisissez les valeurs Position et D\u00e9calage, puis cliquez sur le bouton OK.<\/div>\n<p><span style=\"font-size: 11pt\" class=\"size\">4. Un isolateur est ins\u00e9r\u00e9 sur le mod\u00e8le analytique du poteau, \u00e0 la position indiqu\u00e9e.<\/span><\/p>\n<p><\/span><\/span><\/div>\n<blockquote class=\"zde_indent\">\n<div><img decoding=\"async\" style=\"max-width: 100%;height: auto;padding: 0px\" data-zdeskdocselectedclass=\"original\" class=\"docsimage\" data-zdeskdocid=\"img_3628900455458861\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-30d5dfc5be1934a4772751d7f8ba87d5.png\"><\/div>\n<\/blockquote>\n<div><\/div>\n<h3 id=\"Assigning_Seismic_Isolators_to_Rectangular_Walls_and_Core_Walls\" class=\"toc_anchors\"><b><span class=\"highlight\"><span class=\"colour\"><span style=\"font-size: 18px\" class=\"size\"><span class=\"font\">Attribution des isolateurs sismiques aux voiles rectangulaires et aux voiles de n<\/span><\/span><\/span><\/span><span class=\"font\"><span style=\"font-size: 18px\" class=\"size\"><span class=\"colour\"><span class=\"highlight\">oyau<\/span><\/span><\/span><\/span><\/b><span class=\"font\"><span style=\"font-size: 18px\" class=\"size\"><span class=\"colour\"><span class=\"highlight\"><b><br \/><\/b><\/span><\/span><\/span><\/span><\/h3>\n<div><span class=\"fontstyle0\"><\/p>\n<div><span style=\"font-size: 11pt\">Dans les versions de ProtaStructure ant\u00e9rieures \u00e0 2024, un seul isolateur sismique pouvait \u00eatre ins\u00e9r\u00e9 par voile rectangulaire ou voile de noyau. Si plusieurs isolateurs \u00e9taient n\u00e9cessaires, l&rsquo;utilisateur devait combiner leurs propri\u00e9t\u00e9s lin\u00e9aires en un isolateur unique regroup\u00e9. En pratique, il est pourtant n\u00e9cessaire de d\u00e9finir plusieurs isolateurs par voile. Le regroupement de toutes les propri\u00e9t\u00e9s des isolateurs n&rsquo;est pas valable, ni suffisant, pour les analyses non lin\u00e9aires. Il devient alors impossible de d\u00e9terminer les efforts de traction pouvant appara\u00eetre lorsque les isolateurs sous les voiles sont regroup\u00e9s.<br \/><\/span><\/div>\n<p><\/span><span class=\"colour\"><span style=\"font-size: 11pt\" class=\"size\"><\/p>\n<div>Avec ProtaStructure 2024 &amp; versions ult\u00e9rieures, vous pouvez d\u00e9finir individuellement un nombre quelconque d&rsquo;isolateurs par panneau de voile. Pour cela :<\/div>\n<\/p>\n<div>1. S\u00e9lectionnez un voile rectangulaire ou un voile de noyau \u00e0 l&rsquo;\u00e9cran, puis utilisez la commande \u00ab&nbsp;<b>Attribuer un isolateur<\/b>&nbsp;\u00bb dans le menu contextuel.<\/div>\n<\/p>\n<div>2. Dans la fen\u00eatre d&rsquo;attribution des isolateurs, un aper\u00e7u de leur positionnement s&rsquo;affiche.<\/div>\n<\/p>\n<div>3. Vous pouvez positionner les isolateurs aux points d&rsquo;insertion I et J du panneau de voile. Vous pouvez aussi opter pour une r\u00e9partition \u00e9gale sur la section. Pour les voiles de noyau, les branches de voile sont d\u00e9tect\u00e9es et list\u00e9es automatiquement. Vous pouvez alors d\u00e9finir des isolateurs s\u00e9par\u00e9ment pour chaque branche.<\/div>\n<p><\/span><\/span><\/div>\n<blockquote class=\"zde_indent\">\n<div><img decoding=\"async\" style=\"max-width: 100%;height: auto;padding: 0\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-b5ee4b5357328722969dbedd18541fdb.png\"><\/div>\n<\/blockquote>\n<div><span class=\"fontstyle0\"><span class=\"colour\"><\/span><br \/><\/span><\/div>\n<h2 class=\"toc_anchors\" id=\"Analytical_Modeling_of_Isolators_Assigned_to_Shearwalls\"><span class=\"fontstyle0\"><span class=\"colour\">Mod\u00e9lisation analytique des isolateurs attribu\u00e9s aux voiles de contreventement<\/span><br \/><\/span><\/h2>\n<div><span class=\"fontstyle0\"><\/p>\n<div><span style=\"font-size: 11pt\">Dans les versions pr\u00e9c\u00e9dentes de ProtaStructure, les voiles de contreventement munis d&rsquo;isolateurs sismiques devaient \u00eatre mod\u00e9lis\u00e9s avec l&rsquo;option \u00ab&nbsp;<\/span><b style=\"font-size: 11pt\">Voile m\u00e9dian<\/b><span style=\"font-size: 11pt\">&nbsp;\u00bb. Avec ProtaStructure 2024 &amp; versions ult\u00e9rieures, les voiles de contreventement munis d&rsquo;isolateurs peuvent \u00eatre mod\u00e9lis\u00e9s avec l&rsquo;option \u00ab&nbsp;<\/span><b style=\"font-size: 11pt\">Coque en \u00e9l\u00e9ments finis<\/b><span style=\"font-size: 11pt\">&nbsp;\u00bb.<\/span><span class=\"colour\"><\/span><\/div>\n<p><\/span><span class=\"colour\"><span style=\"font-size: 11pt\" class=\"size\"><\/p>\n<div><span class=\"colour\">Les \u00e9l\u00e9ments coque sont subdivis\u00e9s selon la hauteur de l&rsquo;isolateur, afin de cr\u00e9er un mod\u00e8le analytique. Le nombre sp\u00e9cifi\u00e9 d&rsquo;\u00e9l\u00e9ments isolateurs est ensuite ins\u00e9r\u00e9 entre ces \u00e9l\u00e9ments coque.<\/span><\/div>\n<p><\/span><\/span><\/p>\n<div><\/div>\n<div><\/div>\n<div><img decoding=\"async\" data-zdeskdocselectedclass=\"original\" class=\"docsimage\" data-zdeskdocid=\"img_0740736314463959\" style=\"max-width: 100%;height: auto;padding: 0\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-a63ebee1901d25429617b266a3b2b00d.png\"><\/div>\n<div><\/div>\n<div><span class=\"fontstyle0\"><span class=\"colour\"><\/span><br \/><\/span><\/div>\n<h2 class=\"toc_anchors\" id=\"Nonlinear_Time-History_Analysis\"><span class=\"fontstyle0\"><span class=\"colour\">Analyse temporelle non lin\u00e9aire<\/span><br \/><\/span><\/h2>\n<div><span class=\"fontstyle0\"><\/p>\n<div><b style=\"font-size: 11pt\">Les caract\u00e9ristiques non lin\u00e9aires des isolateurs<\/b><span style=\"font-size: 11pt\"> seront automatiquement prises en compte dans une analyse temporelle non lin\u00e9aire r\u00e9alis\u00e9e dans ProtaStructure. Dans une telle analyse, tous les \u00e9l\u00e9ments autres que les isolateurs sont suppos\u00e9s lin\u00e9aires \u00e9lastiques, et <\/span><u style=\"font-size: 11pt\">aucune plasticit\u00e9 du mat\u00e9riau n&rsquo;est affect\u00e9e<\/u><span style=\"font-size: 11pt\">.<\/span><span class=\"colour\"><\/span><\/div>\n<p><\/span><span class=\"colour\"><span style=\"font-size: 11pt\" class=\"size\"><\/p>\n<div><span class=\"colour\">1. Pour effectuer une analyse temporelle, cliquez sur le bouton &quot;<b>Analyse &gt; Analyse temporelle<\/b>&quot; dans le&nbsp;ruban.<\/span><\/div>\n<\/p>\n<div><span class=\"colour\">2. Vous pouvez effectuer des op\u00e9rations telles que <b>s\u00e9lectionner<\/b> et <b>mettre \u00e0 l&rsquo;\u00e9chelle les mouvements sismiques<\/b> avant de lancer&nbsp;l&rsquo;analyse.<\/span><\/div>\n<p><\/span><\/span><\/div>\n<\/div>\n<div>\n<div><span class=\"colour\"><span style=\"font-size: 11pt\" class=\"size\"><br \/><\/span><\/span><\/div>\n<\/div>\n<div><img decoding=\"async\" style=\"max-width: 100%;height: auto;padding: 0\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-5889273680b07647b43ea5d582131465.png\"><\/div>\n<div>\n<div><\/div>\n<h2 class=\"toc_anchors\" id=\"Analysis_Output\"><span class=\"fontstyle0\"><span class=\"colour\">Sorties de l&rsquo;analyse<\/span><span class=\"colour\"><br \/><\/span><\/span><\/h2>\n<div><span class=\"fontstyle0\"><\/p>\n<p><span style=\"font-size: 11pt\" class=\"size\"><span class=\"colour\">ProtaStructure vous fournit des sorties d\u00e9taill\u00e9es pour chaque isolateur et pour l&rsquo;ensemble du b\u00e2timent apr\u00e8s l&rsquo;analyse temporelle non lin\u00e9aire. Vous pouvez utiliser ces sorties pour g\u00e9n\u00e9rer votre propre rapport de calcul personnalis\u00e9 pour votre b\u00e2timent isol\u00e9.<\/span><\/span><\/p>\n<p><\/span><\/p>\n<h3 id=\"Analysis_Results\" class=\"toc_anchors\"><span class=\"colour\"><span style=\"font-size: 13pt\" class=\"size\"><b>R\u00e9sultats de l&rsquo;analyse<\/b><br \/><\/span><\/span><\/h3>\n<p><span class=\"colour\"><span style=\"font-size: 13pt\" class=\"size\"><\/p>\n<p><span style=\"font-size: 11pt\" class=\"size\"><span class=\"colour\">Vous pouvez visualiser l&rsquo;historique de r\u00e9ponse de l&rsquo;isolateur pour chaque mouvement sismique sur les graphiques de l&rsquo;onglet R\u00e9sultats de l&rsquo;analyse.<\/span><\/span><\/p>\n<p><\/span><\/span><\/p>\n<div><img decoding=\"async\" data-zdeskdocselectedclass=\"original\" class=\"docsimage\" data-zdeskdocid=\"img_9873316043675877\" style=\"max-width: 100%;height: auto;padding: 0\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-3d4542aabeb8f354c8fa3937cb145155.png\"><\/div>\n<\/div>\n<\/div>\n<div><\/div>\n<div><span class=\"fontstyle0\"><\/p>\n<div><span class=\"colour\">1. Vous pouvez obtenir <b>le d\u00e9placement et l&rsquo;acc\u00e9l\u00e9ration<\/b>, ainsi que la force, en <b>historique de r\u00e9ponse<\/b> pour les directions <b>X, Y <\/b>et <b>Z <\/b>. Les r\u00e9sultats demand\u00e9s seront trac\u00e9s sur le m\u00eame graphique.<\/span><\/div>\n<\/p>\n<div><span class=\"colour\">2. Pour actualiser le graphique selon les s\u00e9lections effectu\u00e9es, cliquez sur le bouton \u201c<b>G\u00e9n\u00e9rer le diagramme<\/b>\u201d .<\/span><\/div>\n<p><\/span><\/div>\n<div><br style=\"font-style: normal;font-variant: normal;font-weight: normal;letter-spacing: normal;line-height: normal;text-indent: 0px;text-transform: none;white-space: normal\" \/><b><img decoding=\"async\" style=\"max-width: 100%;height: auto;padding: 0\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-0a32e8e9d460ad74b8c6f41ddd663b7c.png\"><\/b><\/div>\n<div><b><img decoding=\"async\" data-zdeskdocselectedclass=\"original\" class=\"docsimage\" data-zdeskdocid=\"img_31677378034138437\" style=\"max-width: 100%;height: auto;padding: 0\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-981064a3ef4cad6eab67caf3fe882fd4.png\"><\/b><\/div>\n<div><\/div>\n<div><span><span class=\"colour\">3. Les <b>acc\u00e9l\u00e9rations d&rsquo;\u00e9tage<\/b> et les <b>ratios de d\u00e9placement relatif entre \u00e9tages<\/b> pour la structure sup\u00e9rieure seront \u00e9galement trac\u00e9s pour tous les mouvements sismiques, avec leurs r\u00e9ponses maximales et minimales.<\/span><\/span><\/div>\n<div><\/div>\n<div><span><span class=\"colour\"><img decoding=\"async\" style=\"max-width: 100%;height: auto;padding: 0\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-2ae36549d0829c2c839a96367bfd0483.png\">&nbsp;&nbsp;<img decoding=\"async\" style=\"max-width: 100%;height: auto;padding: 0\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-fe7de3577879ad7c33678f30feec839e.png\"><\/span><\/span><\/div>\n<h3 id=\"Isolator_Results_Table\" class=\"toc_anchors\"><span><span class=\"font\"><span style=\"font-size: 18px\" class=\"size\"><span class=\"colour\"><span class=\"highlight\"><b>Tableau des r\u00e9sultats des isolateurs<\/b><\/span><\/span><\/span><\/span><\/span><\/h3>\n<p><span class=\"fontstyle0\"><\/p>\n<p><\/span><\/p>\n<div><span style=\"font-size: 11pt\" class=\"size\"><span class=\"colour\">Tous les r\u00e9sultats des isolateurs sont pr\u00e9sent\u00e9s en d\u00e9tail dans un tableau lorsque vous cliquez sur l&rsquo;onglet \u201c<\/span><b><span class=\"colour\">Tableau des r\u00e9sultats des isolateurs<\/span><\/b><span class=\"colour\">\u201d. Vous pouvez exporter ce tableau vers Excel et l&rsquo;utiliser dans vos rapports de calcul.<\/span><\/span><\/div>\n<div><\/div>\n<div><img decoding=\"async\" data-zdeskdocselectedclass=\"original\" class=\"docsimage\" data-zdeskdocid=\"img_2656937924676581\" style=\"max-width: 100%;height: auto;padding: 0\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-eb904d1a6eaf8b8a988bb18ab9452de7.png\"><\/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-eacb492bd6869dad176b3cd037417d24.png\" data-type=\"non-resize\" style=\"position: absolute;left: 12px;top: 14px;width: 15px;max-width: 100%\" data-image=\"contentStyle\" alt=\"Notes\"><\/p>\n<div><span class=\"colour\">Vous trouverez peut-\u00eatre cet enregistrement de webinaire utile :&nbsp;&nbsp;<\/span><a href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/introduction-to-seismic-isolation-19-2-2024\" target=\"_blank\" rel=\"noopener noreferrer\">Introduction \u00e0 l&rsquo;isolation sismique (PS2024)<\/a><\/div>\n<div><span class=\"colour\">Guide de calcul de l&rsquo;isolation \u00e0 la base :<\/span>&nbsp;&nbsp;<a href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/base-isolation\" target=\"_blank\" rel=\"noopener noreferrer\">Isolation \u00e0 la base<\/a><\/div>\n<p><\/span><\/div>\n<div><\/div>\n<div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Gr\u00e2ce \u00e0 notre expertise en isolation sismique, nous avons d\u00e9velopp\u00e9 de nouveaux outils. Ils garantissent le calcul final pr\u00e9cis des b\u00e2timents \u00e0 isolation sismique. Le&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":[48],"whitepaper_topic":[],"whitepaper_product":[],"whitepaper_type":[],"class_list":["post-2298","wiki","type-wiki","status-publish","hentry","category-structural-modelling"],"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>Isolateurs sismiques non lin\u00e9aires<\/title>\n<meta name=\"description\" content=\"Les isolateurs sismiques non lin\u00e9aires r\u00e9duisent les efforts transmis \u00e0 la structure lors d&#039;un s\u00e9isme, gr\u00e2ce \u00e0 une isolation \u00e0 la base optimis\u00e9e.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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