{"id":4595,"date":"2020-04-19T00:08:16","date_gmt":"2020-04-18T23:08:16","guid":{"rendered":"https:\/\/riberi.com\/sisma-nel-civile-e-industria\/"},"modified":"2025-07-17T12:25:36","modified_gmt":"2025-07-17T10:25:36","slug":"seisme-dans-le-civil-et-lindustrie","status":"publish","type":"page","link":"https:\/\/riberi.com\/fr\/seisme-dans-le-civil-et-lindustrie\/","title":{"rendered":"S\u00e9isme dans le civil et l\u2019industrie"},"content":{"rendered":"<p><section id=\"bt_section69e211976655b\"  class=\"boldSection topSemiSpaced gutter boxed inherit\" ><div class=\"port\"><div class=\"boldCell\"><div class=\"boldCellInner\"><div class=\"boldRow \" ><div class=\"boldRowInner\"><div class=\"rowItem col-md-12 col-ms-12  btTextLeft animate animate-fadein inherit\"  data-width=\"12\"><div class=\"rowItemContent\" ><div class=\"btText\" ><\/p>\n<p>Si l\u2019on analyse la question de la performance sismique sur la base des trois param\u00e8tres fondamentaux\u00a0: masse, p\u00e9riode propre et ductilit\u00e9, il est imm\u00e9diat observer la substantielle absence du premier au moins en ce qui concerne les \u00e9l\u00e9ments structuraux m\u00e9talliques.<\/p>\n<p>Les structures m\u00e9talliques appartiennent \u00e0 des syst\u00e8mes de construction qui, en r\u00e8gle g\u00e9n\u00e9rale, pr\u00e9voient des fermetures verticales et des couvertures en panneaux pr\u00e9fabriqu\u00e9s l\u00e9gers, en t\u00f4le avec couches d\u2019isolation interne, de sorte que la consid\u00e9ration de la l\u00e9g\u00e8ret\u00e9 s\u2019\u00e9tend \u00e0 la construction dans son ensemble.<br \/>\nEn ce qui concerne les choix de conception, il est facile de se trouver face \u00e0 des priorit\u00e9s invers\u00e9es par rapport aux b\u00e2timents \u00e0 plusieurs \u00e9tages.<\/p>\n<p>Les masses sont ainsi r\u00e9duites que l\u2019action sismique devient secondaire par rapport \u00e0 l\u2019action horizontale due au vent, proportionnelle \u00e0 l\u2019amplitude des surfaces.\u00a0Le projet est souvent d\u00e9velopp\u00e9 sans recours \u00e0 des facteurs de r\u00e9duction de l\u2019action sismique, et les avantages que pr\u00e9sente l\u2019adoption d\u2019une construction en acier pour ces typologies structurelles sont mis en \u00e9vidence dans les zones sismiques.<\/p>\n<p>\n<\/div><div class=\"btClear btSeparator topSmallSpaced bottomSmallSpaced noBorder\" ><hr><\/div><div class=\"btClear btSeparator topSmallSpaced bottomSmallSpaced noBorder\" ><hr><\/div><\/div><\/div><\/div><\/div><div class=\"boldRow \" ><div class=\"boldRowInner\"><div class=\"rowItem col-md-12 col-ms-12  btTextLeft animate animate-fadein inherit\"  data-width=\"12\"><div class=\"rowItemContent\" ><header class=\"header btClear large  bold\" ><div class=\"dash\"><h2><span class=\"headline\"><b class=\"animate\">B\u00c2TIMENTS SISMIQUEMENT S\u00dbRS<\/b><\/span><\/h2><\/div><div class=\"btSubTitle\">CONCEPTION ET CONSTRUCTION DE B\u00c2TIMENTS EN ACIER EN ZONE SISMIQUE ET S\u00c9CURISATION DES B\u00c2TIMENTS EXISTANTS<\/div><\/header><div class=\"btText\" ><\/p>\n<p>Apr\u00e8s les d\u00e9sastreux \u00e9v\u00e9nements sismiques en Umbria\/Marche (1997) et en Molise (2002), les institutions et l\u2019opinion publique ont pr\u00eat\u00e9 une attention particuli\u00e8re au probl\u00e8me de la protection contre le tremblement de terre<\/p>\n<p>Les autorit\u00e9s gouvernementales comp\u00e9tentes ont ainsi favoris\u00e9 le d\u00e9veloppement et la publication de nouveaux codes r\u00e9glementaires:<\/p>\n<ul>\n<li>l\u2019Ordonnance 3274\/2003, Premiers \u00e9l\u00e9ments en mati\u00e8re de crit\u00e8res g\u00e9n\u00e9raux pour la classification sismique du territoire national et de r\u00e9glementations techniques pour les constructions en zone sismique, et ses modifications successives par la Pr\u00e9sidence du Conseil des Ministres.<\/li>\n<li>le Texte Unitaire des Normes Techniques pour les Constructions du 23 septembre 2005 par le Minist\u00e8re des Infrastructures.<\/li>\n<li>les Lignes directrices pour l\u2019application au patrimoine culturel de la r\u00e9glementation technique dont \u00e0 l\u2019Ordre P.C.M. 3274\/03 du D\u00e9partement de la Protection Civile.<\/li>\n<li>l\u2019Ordonnance du P.C.M 3519\/2006, Crit\u00e8res g\u00e9n\u00e9raux pour le nettoyage des zones sismiques et pour la formation et la mise \u00e0 jour des listes des m\u00eames zones (actuellement adopt\u00e9es et \u00e9mises uniquement par la R\u00e9gion Toscana).<\/li>\n<li>Normes techniques pour la construction NTC 2008 et sa circulaire d\u2019application.<\/li>\n<\/ul>\n<p>Jusqu\u2019\u00e0 la publication r\u00e9cente des\u00a0:<\/p>\n<ul>\n<li>Normes Techniques pour les Constructions 2018. Les Instructions pour l\u2019application des NTC 2018 seront publi\u00e9es ult\u00e9rieurement.<\/li>\n<\/ul>\n<p>Au niveau local, la l\u00e9gislation nationale est compl\u00e9t\u00e9e par les lois et dispositions r\u00e9gionales qui peuvent varier aussi sensiblement d\u2019une r\u00e9gion \u00e0 l\u2019autre.<\/p>\n<p>\n<\/div><div class=\"btClear btSeparator topSmallSpaced bottomSmallSpaced noBorder\" ><hr><\/div><div class=\"btClear btSeparator topSmallSpaced bottomSmallSpaced noBorder\" ><hr><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section id=\"bt_section69e2119766bbe\" data-parallax=\"-.5\" data-parallax-offset=\"-50\" class=\"boldSection fullScreenHeight inherit btParallax wBackground cover wBackground cover section_parallax\" style=\"background-image:url('https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-07-scaled.jpg');\"><div class=\"port\"><div class=\"boldCell\"><div class=\"boldCellInner\"><div class=\"boldRow  btNoRowSpacing\" ><div class=\"boldRowInner\"><div class=\"rowItem col-md-12 col-ms-12  btTextLeft inherit section_parallax_mobile wBackground cover\" style=\"background-image: url(https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-07-scaled.jpg);\" data-width=\"12\"><div class=\"rowItemContent\" ><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section id=\"bt_section69e2119766cd9\"  class=\"boldSection topSemiSpaced gutter boxed inherit\" ><div class=\"port\"><div class=\"boldCell\"><div class=\"boldCellInner\"><div class=\"boldRow \" ><div class=\"boldRowInner\"><div class=\"rowItem col-md-12 col-ms-12  btTextLeft animate animate-fadein inherit\"  data-width=\"12\"><div class=\"rowItemContent\" ><header class=\"header btClear large  bold\" ><div class=\"dash\"><h2><span class=\"headline\"><b class=\"animate\">STRUCTURES M\u00c9TALLIQUES \u2013 NORMES<\/b><\/span><\/h2><\/div><\/header><div class=\"btText\" ><\/p>\n<p>Les nouvelles NTC comprennent d\u2019importantes innovations dans le domaine de la conception en zone sismique. En particulier l\u2019\u00e9valuation de l\u2019action sismique se base sur les plus r\u00e9centes recherches de l\u2019Institut National de G\u00e9ophysique et Volcanologie qui ont rendu possible la publication en r\u00e9seau des cartes interactives de dangerosit\u00e9 sismique du territoire Italien.<\/p>\n<p>Le Conseil Sup\u00e9rieur des Travaux Publics a ensuite mis \u00e0 disposition en r\u00e9seau le programme exp\u00e9rimental Spectres de r\u00e9ponse utile pour l\u2019\u00e9valuation des spectres de r\u00e9ponse repr\u00e9sentatifs des composants (horizontaux et verticaux) des actions sismiques de projet pour le site g\u00e9n\u00e9rique du territoire national. En ins\u00e9rant les coordonn\u00e9es et les caract\u00e9ristiques de conception du site, il est possible de visualiser et d\u2019imprimer des graphiques et des tableaux relatifs au calcul de l\u2019action sismique de projet au sens du D.M. 14.01.08 et des NTC 2018.<\/p>\n<p>Les crit\u00e8res g\u00e9n\u00e9raux de conception et de v\u00e9rification des structures en zone sismique et les r\u00e8gles sp\u00e9cifiques relatives \u00e0 chaque mat\u00e9riau de construction, sont d\u00e9crites en d\u00e9tail dans le chapitre 7 du texte des NTC et des Instructions et s\u2019av\u00e8rent \u00eatre pleinement en accord avec le contenu des Eurocodes. Des innovations importantes ont enfin \u00e9t\u00e9 introduites dans le domaine de la g\u00e9otechnique, m\u00eame pour la conception sismique des structures.<\/p>\n<p>Une fois de plus, l\u2019introduction des nouveaux codes et normes de conception, le nouveau moment d\u2019approfondissement et de croissance culturelle constitue une opportunit\u00e9 pour le monde de la construction, en vue de l\u2019am\u00e9lioration de la qualit\u00e9 et de la s\u00e9curit\u00e9 des constructions elles-m\u00eames, ainsi qu\u2019une v\u00e9rification valable des potentialit\u00e9s de la nouvelle norme.<\/p>\n<p>Dans un tel contexte de r\u00e9flexion et d\u2019approfondissement, sont impliqu\u00e9s les op\u00e9rateurs de secteur, les techniciens de l\u2019Administration Publique, les Universit\u00e9s, les Ordres Professionnels, les constructeurs et les producteurs.<br \/>\nL\u2019acier, aujourd\u2019hui peu utilis\u00e9 en Italie pour la r\u00e9alisation de b\u00e2timents civils et industriels, a une ult\u00e9rieure opportunit\u00e9 de d\u00e9veloppement, en pouvant fournir les garanties de performances et de s\u00e9curit\u00e9 qui sont aujourd\u2019hui explicitement exig\u00e9es des NTC 2018 et des Eurocodes.<\/p>\n<p>\n<\/div><div class=\"btClear btSeparator topSmallSpaced bottomSmallSpaced noBorder\" ><hr><\/div><div class=\"btClear btSeparator topSmallSpaced bottomSmallSpaced noBorder\" ><hr><\/div><\/div><\/div><\/div><\/div><div class=\"boldRow \" ><div class=\"boldRowInner\"><div class=\"rowItem col-md-12 col-ms-12  btTextLeft animate animate-fadein inherit\"  data-width=\"12\"><div class=\"rowItemContent\" ><div class=\"btClear btSeparator topSmallSpaced bottomSmallSpaced noBorder\" ><hr><\/div><div class=\"tilesWall btGridGallery tiled  btGridGap-10 lightbox\" data-col=\"5\"><div class=\"gridSizer\"><\/div><div class=\"gridItem btGhostSliderThumb bt11\" data-order-num=\"-1\"><div class=\"btTileBox\"><div class=\"bpgPhoto \" > \n\t\t\t\t\t<a href=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-01.jpg\" class=\"lightbox\" data-title=\"\"><\/a>\n\t\t\t\t\t<div class=\"boldPhotoBox\"><div class=\"bpbItem\"><div class = \"btImage\"><img decoding=\"async\" src=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-01-640x640.jpg\" alt=\"Adeguato sismico per strutture metalliche\" title=\"\"><\/div><\/div><\/div>\n\t\t\t\t\t<div class=\"captionPane btDarkSkin btTextCenter\">\n\t\t\t\t\t\t<div class=\"captionTable\">\n\t\t\t\t\t\t\t<div class=\"captionCell\">\n\t\t\t\t\t\t\t\t<div class=\"captionTxt\"><\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><\/div><\/div><\/div><div class=\"gridItem btGhostSliderThumb bt11\" data-order-num=\"0\"><div class=\"btTileBox\"><div class=\"bpgPhoto \" > \n\t\t\t\t\t<a href=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-05.jpg\" class=\"lightbox\" data-title=\"\"><\/a>\n\t\t\t\t\t<div class=\"boldPhotoBox\"><div class=\"bpbItem\"><div class = \"btImage\"><img decoding=\"async\" src=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-05-640x640.jpg\" alt=\"Struttura in acciaio antisismica\" title=\"\"><\/div><\/div><\/div>\n\t\t\t\t\t<div class=\"captionPane btDarkSkin btTextCenter\">\n\t\t\t\t\t\t<div class=\"captionTable\">\n\t\t\t\t\t\t\t<div class=\"captionCell\">\n\t\t\t\t\t\t\t\t<div class=\"captionTxt\"><\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><\/div><\/div><\/div><div class=\"gridItem btGhostSliderThumb bt11\" data-order-num=\"1\"><div class=\"btTileBox\"><div class=\"bpgPhoto \" > \n\t\t\t\t\t<a href=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-06-scaled.jpg\" class=\"lightbox\" data-title=\"\"><\/a>\n\t\t\t\t\t<div class=\"boldPhotoBox\"><div class=\"bpbItem\"><div class = \"btImage\"><img decoding=\"async\" src=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-06-640x640.jpg\" alt=\"Struttura in acciaio antisismica\" title=\"\"><\/div><\/div><\/div>\n\t\t\t\t\t<div class=\"captionPane btDarkSkin btTextCenter\">\n\t\t\t\t\t\t<div class=\"captionTable\">\n\t\t\t\t\t\t\t<div class=\"captionCell\">\n\t\t\t\t\t\t\t\t<div class=\"captionTxt\"><\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><\/div><\/div><\/div><div class=\"gridItem btGhostSliderThumb bt11\" data-order-num=\"2\"><div class=\"btTileBox\"><div class=\"bpgPhoto \" > \n\t\t\t\t\t<a href=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-07-scaled.jpg\" class=\"lightbox\" data-title=\"\"><\/a>\n\t\t\t\t\t<div class=\"boldPhotoBox\"><div class=\"bpbItem\"><div class = \"btImage\"><img decoding=\"async\" src=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-07-640x640.jpg\" alt=\"struttura metallica antisismica\" title=\"\"><\/div><\/div><\/div>\n\t\t\t\t\t<div class=\"captionPane btDarkSkin btTextCenter\">\n\t\t\t\t\t\t<div class=\"captionTable\">\n\t\t\t\t\t\t\t<div class=\"captionCell\">\n\t\t\t\t\t\t\t\t<div class=\"captionTxt\"><\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><\/div><\/div><\/div><div class=\"gridItem btGhostSliderThumb bt11\" data-order-num=\"3\"><div class=\"btTileBox\"><div class=\"bpgPhoto \" > \n\t\t\t\t\t<a href=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/IMG-20200120-WA0006.jpg\" class=\"lightbox\" data-title=\"\"><\/a>\n\t\t\t\t\t<div class=\"boldPhotoBox\"><div class=\"bpbItem\"><div class = \"btImage\"><img decoding=\"async\" src=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/IMG-20200120-WA0006-640x640.jpg\" alt=\"dettagli antisismico\" title=\"\"><\/div><\/div><\/div>\n\t\t\t\t\t<div class=\"captionPane btDarkSkin btTextCenter\">\n\t\t\t\t\t\t<div class=\"captionTable\">\n\t\t\t\t\t\t\t<div class=\"captionCell\">\n\t\t\t\t\t\t\t\t<div class=\"captionTxt\"><\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><\/div><\/div><\/div><\/div><div class=\"btClear btSeparator topSmallSpaced bottomSmallSpaced noBorder\" ><hr><\/div><div class=\"btClear btSeparator topSmallSpaced bottomSmallSpaced noBorder\" ><hr><\/div><\/div><\/div><\/div><\/div><div class=\"boldRow \" ><div class=\"boldRowInner\"><div class=\"rowItem col-md-12 col-ms-12  btTextLeft animate animate-fadein inherit\"  data-width=\"12\"><div class=\"rowItemContent\" ><header class=\"header btClear large  bold\" ><div class=\"dash\"><h2><span class=\"headline\"><b class=\"animate\">STRUCTURES M\u00c9TALLIQUES \u2013 SISMA<\/b><\/span><\/h2><\/div><\/header><div class=\"btText\" ><\/p>\n<p>Le recours \u00e0 des \u00e9l\u00e9ments en charpenterie m\u00e9tallique se r\u00e9v\u00e8le toujours gagnant gr\u00e2ce aux particularit\u00e9s typiques de l\u2019acier telles que :<\/p>\n<ul>\n<li>L\u00e9g\u00e8ret\u00e9 et r\u00e9sistance des \u00e9l\u00e9ments structuraux, rendue possible par un rapport poids\/r\u00e9sistance \u00e9lev\u00e9, une caract\u00e9ristique qui, \u00e0 son tour, il permet de simplifier le transport et la mise en place des structures et de r\u00e9duire au minimum les effets secondaires dus \u00e0 l\u2019accroissement de la charge et des masses sur les structures existantes;<\/li>\n<li>Dimensions r\u00e9duites des \u00e9l\u00e9ments structuraux, cons\u00e9quence naturelle de la grande efficacit\u00e9 structurelle de l\u2019acier, une qualit\u00e9 qui permet de simplifier le remplacement et\/ou l\u2019int\u00e9gration des ouvrages existants avec des \u00e9l\u00e9ments de renforcement.<\/li>\n<li>Rapidit\u00e9 de construction, une caract\u00e9ristique toujours souhaitable, mais en particulier lorsque l\u2019intervention est urgente ou qu\u2019une interruption prolong\u00e9e de l\u2019utilisation de la construction n\u2019est pas possible;<\/li>\n<li>R\u00e9versibilit\u00e9 des interventions, caract\u00e9ristique des structures en acier bas\u00e9e sur les liaisons s\u00e8ches d\u00e9montables.<\/li>\n<\/ul>\n<p>\n<\/div><div class=\"btClear btSeparator topSmallSpaced bottomSmallSpaced noBorder\" ><hr><\/div><div class=\"btClear btSeparator topSmallSpaced bottomSmallSpaced noBorder\" ><hr><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section id=\"bt_section69e21197687db\" data-parallax=\"-.5\" data-parallax-offset=\"-50\" class=\"boldSection fullScreenHeight inherit btParallax wBackground cover wBackground cover section_parallax\" style=\"background-image:url('https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-06-scaled.jpg');\"><div class=\"port\"><div class=\"boldCell\"><div class=\"boldCellInner\"><div class=\"boldRow  btNoRowSpacing\" ><div class=\"boldRowInner\"><div class=\"rowItem col-md-12 col-ms-12  btTextLeft inherit section_parallax_mobile wBackground cover\" style=\"background-image: url(https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-06-scaled.jpg);\" data-width=\"12\"><div class=\"rowItemContent\" ><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section id=\"bt_section69e21197690a5\"  class=\"boldSection topSemiSpaced gutter boxed inherit\" ><div class=\"port\"><div class=\"boldCell\"><div class=\"boldCellInner\"><div class=\"boldRow \" ><div class=\"boldRowInner\"><div class=\"rowItem col-md-12 col-ms-12  btTextLeft animate animate-fadein inherit\"  data-width=\"12\"><div class=\"rowItemContent\" ><header class=\"header btClear large  bold\" ><div class=\"dash\"><h2><span class=\"headline\"><b class=\"animate\">AJUSTEMENT SISMIQUE ET RENFORCEMENT STRUCTUREL<\/b><\/span><\/h2><\/div><div class=\"btSubTitle\">Riberi P. Costruzioni sas, s\u2019occupe parmi ses services, d\u2019interventions d\u2019adaptation sismique et de renforcement des structures existantes.<\/div><\/header><header class=\"header btClear medium  bold\" ><div class=\"dash\"><h3><span class=\"headline\">QU\u2019EST-CE QUE L\u2019ADAPTATION SISMIQUE ?<\/span><\/h3><\/div><\/header><div class=\"btText\" ><\/p>\n<p>Par ajustement sismique, nous entendons toutes ces interventions de modification des constructions existantes afin de les rendre plus r\u00e9sistantes \u00e0 l\u2019action sismique.<\/p>\n<p>Avec une meilleure compr\u00e9hension des effets des s\u00e9ismes sur les structures et des \u00e9v\u00e9nements r\u00e9cents, la n\u00e9cessit\u00e9 d\u2019une adaptation anti-sismique de nombreuses structures existantes est reconnue.<\/p>\n<p>Pour l\u2019adaptation sismique d\u2019un b\u00e2timent existant, il faut se r\u00e9f\u00e9rer au DM du 14 janvier 2008 (NTC08) qui d\u00e9finit les principes pour le projet, l\u2019ex\u00e9cution et l\u2019essai des constructions, en abordant le probl\u00e8me de celles qui existent d\u00e9j\u00e0.<\/p>\n<p>Les NTC08 d\u00e9finissent les trois types d\u2019intervention qui peuvent \u00eatre effectu\u00e9s :<\/p>\n<ul>\n<li>Mesures d\u2019adaptation : aptes \u00e0 atteindre les niveaux de s\u00e9curit\u00e9 pr\u00e9vus par les NTC;<\/li>\n<li>Actions d\u2019am\u00e9lioration visant \u00e0 am\u00e9liorer la s\u00e9curit\u00e9 structurelle existante, sans toutefois atteindre les niveaux requis par les NTC;<\/li>\n<li>R\u00e9parations ou interventions locales impliquant des \u00e9l\u00e9ments isolants et entra\u00eenant une am\u00e9lioration des conditions de s\u00e9curit\u00e9 pr\u00e9existantes.<\/li>\n<\/ul>\n<p>\n<\/div><div class=\"btClear btSeparator topSmallSpaced bottomSmallSpaced noBorder\" ><hr><\/div><div class=\"btClear btSeparator topSmallSpaced bottomSmallSpaced noBorder\" ><hr><\/div><\/div><\/div><\/div><\/div><div class=\"boldRow \" ><div class=\"boldRowInner\"><div class=\"rowItem col-md-12 col-ms-12  btTextLeft animate animate-fadein inherit\"  data-width=\"12\"><div class=\"rowItemContent\" ><div class=\"btClear btSeparator topSmallSpaced bottomSmallSpaced noBorder\" ><hr><\/div><div class=\"tilesWall btGridGallery tiled  btGridGap-10 lightbox\" data-col=\"6\"><div class=\"gridSizer\"><\/div><div class=\"gridItem btGhostSliderThumb bt11\" data-order-num=\"0\"><div class=\"btTileBox\"><div class=\"bpgPhoto \" > \n\t\t\t\t\t<a href=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-23-scaled.jpg\" class=\"lightbox\" data-title=\"\"><\/a>\n\t\t\t\t\t<div class=\"boldPhotoBox\"><div class=\"bpbItem\"><div class = \"btImage\"><img decoding=\"async\" src=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-23-640x640.jpg\" alt=\"strutture antisismiche\" title=\"\"><\/div><\/div><\/div>\n\t\t\t\t\t<div class=\"captionPane btDarkSkin btTextCenter\">\n\t\t\t\t\t\t<div class=\"captionTable\">\n\t\t\t\t\t\t\t<div class=\"captionCell\">\n\t\t\t\t\t\t\t\t<div class=\"captionTxt\"><\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><\/div><\/div><\/div><div class=\"gridItem btGhostSliderThumb bt11\" data-order-num=\"1\"><div class=\"btTileBox\"><div class=\"bpgPhoto \" > \n\t\t\t\t\t<a href=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-25.jpg\" class=\"lightbox\" data-title=\"\"><\/a>\n\t\t\t\t\t<div class=\"boldPhotoBox\"><div class=\"bpbItem\"><div class = \"btImage\"><img decoding=\"async\" src=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-25-640x640.jpg\" alt=\"struttura antisisma\" title=\"\"><\/div><\/div><\/div>\n\t\t\t\t\t<div class=\"captionPane btDarkSkin btTextCenter\">\n\t\t\t\t\t\t<div class=\"captionTable\">\n\t\t\t\t\t\t\t<div class=\"captionCell\">\n\t\t\t\t\t\t\t\t<div class=\"captionTxt\"><\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><\/div><\/div><\/div><div class=\"gridItem btGhostSliderThumb bt11\" data-order-num=\"2\"><div class=\"btTileBox\"><div class=\"bpgPhoto \" > \n\t\t\t\t\t<a href=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-26-scaled.jpg\" class=\"lightbox\" data-title=\"\"><\/a>\n\t\t\t\t\t<div class=\"boldPhotoBox\"><div class=\"bpbItem\"><div class = \"btImage\"><img decoding=\"async\" src=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-26-640x640.jpg\" alt=\"sisma\" title=\"\"><\/div><\/div><\/div>\n\t\t\t\t\t<div class=\"captionPane btDarkSkin btTextCenter\">\n\t\t\t\t\t\t<div class=\"captionTable\">\n\t\t\t\t\t\t\t<div class=\"captionCell\">\n\t\t\t\t\t\t\t\t<div class=\"captionTxt\"><\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><\/div><\/div><\/div><div class=\"gridItem btGhostSliderThumb bt11\" data-order-num=\"3\"><div class=\"btTileBox\"><div class=\"bpgPhoto \" > \n\t\t\t\t\t<a href=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-27.jpg\" class=\"lightbox\" data-title=\"\"><\/a>\n\t\t\t\t\t<div class=\"boldPhotoBox\"><div class=\"bpbItem\"><div class = \"btImage\"><img decoding=\"async\" src=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-27-640x640.jpg\" alt=\"sisma\" title=\"\"><\/div><\/div><\/div>\n\t\t\t\t\t<div class=\"captionPane btDarkSkin btTextCenter\">\n\t\t\t\t\t\t<div class=\"captionTable\">\n\t\t\t\t\t\t\t<div class=\"captionCell\">\n\t\t\t\t\t\t\t\t<div class=\"captionTxt\"><\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><\/div><\/div><\/div><div class=\"gridItem btGhostSliderThumb bt11\" data-order-num=\"4\"><div class=\"btTileBox\"><div class=\"bpgPhoto \" > \n\t\t\t\t\t<a href=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-28.jpg\" class=\"lightbox\" data-title=\"\"><\/a>\n\t\t\t\t\t<div class=\"boldPhotoBox\"><div class=\"bpbItem\"><div class = \"btImage\"><img decoding=\"async\" src=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-28-640x640.jpg\" alt=\"Realizzazioni strutture resistenti al sisma\" title=\"\"><\/div><\/div><\/div>\n\t\t\t\t\t<div class=\"captionPane btDarkSkin btTextCenter\">\n\t\t\t\t\t\t<div class=\"captionTable\">\n\t\t\t\t\t\t\t<div class=\"captionCell\">\n\t\t\t\t\t\t\t\t<div class=\"captionTxt\"><\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><\/div><\/div><\/div><div class=\"gridItem btGhostSliderThumb bt11\" data-order-num=\"5\"><div class=\"btTileBox\"><div class=\"bpgPhoto \" > \n\t\t\t\t\t<a href=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-30-scaled.jpeg\" class=\"lightbox\" data-title=\"\"><\/a>\n\t\t\t\t\t<div class=\"boldPhotoBox\"><div class=\"bpbItem\"><div class = \"btImage\"><img decoding=\"async\" src=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-30-640x640.jpeg\" alt=\"Realizzazioni strutture metalliche \" title=\"\"><\/div><\/div><\/div>\n\t\t\t\t\t<div class=\"captionPane btDarkSkin btTextCenter\">\n\t\t\t\t\t\t<div class=\"captionTable\">\n\t\t\t\t\t\t\t<div class=\"captionCell\">\n\t\t\t\t\t\t\t\t<div class=\"captionTxt\"><\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><\/div><\/div><\/div><\/div><div class=\"btClear btSeparator topSmallSpaced bottomSmallSpaced noBorder\" ><hr><\/div><div class=\"btClear btSeparator topSmallSpaced bottomSmallSpaced noBorder\" ><hr><\/div><\/div><\/div><\/div><\/div><div class=\"boldRow \" ><div class=\"boldRowInner\"><div class=\"rowItem col-md-12 col-ms-12  btTextLeft animate animate-fadein inherit\"  data-width=\"12\"><div class=\"rowItemContent\" ><header class=\"header btClear medium  bold\" ><div class=\"dash\"><h3><span class=\"headline\">QUAND LES INTERVENTIONS D\u2019AJUSTEMENT SISMIQUE SONT-ELLES N\u00c9CESSAIRES?<\/span><\/h3><\/div><div class=\"btSubTitle\">Selon les NTC 2016 (ainsi que pour les NTC 2008), l\u2019adaptation sismique d\u2019une construction est obligatoire pour :<\/div><\/header><div class=\"btText\" ><\/p>\n<ul>\n<li>Sur\u00e9lever la construction;<\/li>\n<li>\u00c9tendre la construction par des ouvrages structurellement li\u00e9s \u00e0 la construction;<\/li>\n<li>Apporter des changements de classe et\/ou de destination d\u2019utilisation qui entra\u00eenent des augmentations des charges globales en fondation sup\u00e9rieures \u00e0 10%. Il est cependant obligatoire de proc\u00e9der \u00e0 la v\u00e9rification locale des diff\u00e9rentes parties et\/ou \u00e9l\u00e9ments de la structure, m\u00eame si elles concernent des portions limit\u00e9es de la construction.<\/li>\n<li>Effectuer des interventions structurelles visant \u00e0 transformer la construction par un ensemble syst\u00e9matique de travaux conduisant \u00e0 un organisme de construction diff\u00e9rent du precedent.<\/li>\n<\/ul>\n<p>\n<\/div><div class=\"btText\" ><\/p>\n<p>Les interventions pour adapter (ou comme dans certains cas, am\u00e9liorer) sismiquement un b\u00e2timent, varient en fonction de certains param\u00e8tres tels que :<\/p>\n<ul>\n<li>Type de construction (monoplan ou multi\u00e9tage);<\/li>\n<li>Type de structure porteuse;<\/li>\n<li>Les fondations dans lesquelles repose le b\u00e2timent, c\u2019est-\u00e0-dire la zone sismique dans laquelle le b\u00e2timent tombe et plus g\u00e9n\u00e9ralement le contexte dans lequel le b\u00e2timent est ins\u00e9r\u00e9.<\/li>\n<\/ul>\n<p>\n<\/div><div class=\"btText\" ><\/p>\n<p>RIBERI P. COSTRUZIONI sas s\u2019occupe d\u2019interventions d\u2019ajustement sismique et d\u2019am\u00e9lioration structurelle sur des b\u00e2timents existants avec l\u2019emploi d\u2019\u00e9l\u00e9ments en acier, un mat\u00e9riel qui souvent se r\u00e9v\u00e8le de plus en plus adapt\u00e9 pour la r\u00e9solution de cette classe de probl\u00e9matiques.<\/p>\n<p>Forts de sa propre exp\u00e9rience dans le secteur des structures et constructions m\u00e9talliques, RIBERI P. COSTRUZIONI est le bon choix pour l\u2019adaptation sismique de votre construction, qu\u2019elle soit une habitation ou un b\u00e2timent industriel, en respectant toutes les normes de s\u00e9curit\u00e9 en vigueur.<\/p>\n<p>\n<\/div><div class=\"btClear btSeparator topSmallSpaced bottomSmallSpaced noBorder\" ><hr><\/div><div class=\"btClear btSeparator topSmallSpaced bottomSmallSpaced noBorder\" ><hr><\/div><\/div><\/div><\/div><\/div><div class=\"boldRow \" ><div class=\"boldRowInner\"><div class=\"rowItem col-md-12 col-ms-12  btTextLeft animate animate-fadein inherit\"  data-width=\"12\"><div class=\"rowItemContent\" ><div class=\"btClear btSeparator topSmallSpaced bottomSmallSpaced noBorder\" ><hr><\/div><div class=\"tilesWall btGridGallery tiled  btGridGap-10 lightbox\" data-col=\"5\"><div class=\"gridSizer\"><\/div><div class=\"gridItem btGhostSliderThumb bt11\" data-order-num=\"0\"><div class=\"btTileBox\"><div class=\"bpgPhoto \" > \n\t\t\t\t\t<a href=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-11-scaled.jpg\" class=\"lightbox\" data-title=\"\"><\/a>\n\t\t\t\t\t<div class=\"boldPhotoBox\"><div class=\"bpbItem\"><div class = \"btImage\"><img decoding=\"async\" src=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-11-640x640.jpg\" alt=\"sisma\" title=\"\"><\/div><\/div><\/div>\n\t\t\t\t\t<div class=\"captionPane btDarkSkin btTextCenter\">\n\t\t\t\t\t\t<div class=\"captionTable\">\n\t\t\t\t\t\t\t<div class=\"captionCell\">\n\t\t\t\t\t\t\t\t<div class=\"captionTxt\"><\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><\/div><\/div><\/div><div class=\"gridItem btGhostSliderThumb bt11\" data-order-num=\"1\"><div class=\"btTileBox\"><div class=\"bpgPhoto \" > \n\t\t\t\t\t<a href=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-16-scaled.jpg\" class=\"lightbox\" data-title=\"\"><\/a>\n\t\t\t\t\t<div class=\"boldPhotoBox\"><div class=\"bpbItem\"><div class = \"btImage\"><img decoding=\"async\" src=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-16-640x640.jpg\" alt=\"strutture metalliche parcheggi\" title=\"\"><\/div><\/div><\/div>\n\t\t\t\t\t<div class=\"captionPane btDarkSkin btTextCenter\">\n\t\t\t\t\t\t<div class=\"captionTable\">\n\t\t\t\t\t\t\t<div class=\"captionCell\">\n\t\t\t\t\t\t\t\t<div class=\"captionTxt\"><\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><\/div><\/div><\/div><div class=\"gridItem btGhostSliderThumb bt11\" data-order-num=\"2\"><div class=\"btTileBox\"><div class=\"bpgPhoto \" > \n\t\t\t\t\t<a href=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-19-scaled.jpg\" class=\"lightbox\" data-title=\"\"><\/a>\n\t\t\t\t\t<div class=\"boldPhotoBox\"><div class=\"bpbItem\"><div class = \"btImage\"><img decoding=\"async\" src=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-19-640x640.jpg\" alt=\"sisma\" title=\"\"><\/div><\/div><\/div>\n\t\t\t\t\t<div class=\"captionPane btDarkSkin btTextCenter\">\n\t\t\t\t\t\t<div class=\"captionTable\">\n\t\t\t\t\t\t\t<div class=\"captionCell\">\n\t\t\t\t\t\t\t\t<div class=\"captionTxt\"><\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><\/div><\/div><\/div><div class=\"gridItem btGhostSliderThumb bt11\" data-order-num=\"3\"><div class=\"btTileBox\"><div class=\"bpgPhoto \" > \n\t\t\t\t\t<a href=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-20.jpg\" class=\"lightbox\" data-title=\"\"><\/a>\n\t\t\t\t\t<div class=\"boldPhotoBox\"><div class=\"bpbItem\"><div class = \"btImage\"><img decoding=\"async\" src=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-20-640x640.jpg\" alt=\"sisma\" title=\"\"><\/div><\/div><\/div>\n\t\t\t\t\t<div class=\"captionPane btDarkSkin btTextCenter\">\n\t\t\t\t\t\t<div class=\"captionTable\">\n\t\t\t\t\t\t\t<div class=\"captionCell\">\n\t\t\t\t\t\t\t\t<div class=\"captionTxt\"><\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><\/div><\/div><\/div><div class=\"gridItem btGhostSliderThumb bt11\" data-order-num=\"4\"><div class=\"btTileBox\"><div class=\"bpgPhoto \" > \n\t\t\t\t\t<a href=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-22-scaled.jpg\" class=\"lightbox\" data-title=\"\"><\/a>\n\t\t\t\t\t<div class=\"boldPhotoBox\"><div class=\"bpbItem\"><div class = \"btImage\"><img decoding=\"async\" src=\"https:\/\/riberi.com\/wp-content\/uploads\/2020\/04\/sisma-22-640x640.jpg\" alt=\"strutture metalliche antisismiche\" title=\"\"><\/div><\/div><\/div>\n\t\t\t\t\t<div class=\"captionPane btDarkSkin btTextCenter\">\n\t\t\t\t\t\t<div class=\"captionTable\">\n\t\t\t\t\t\t\t<div class=\"captionCell\">\n\t\t\t\t\t\t\t\t<div class=\"captionTxt\"><\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><\/div><\/div><\/div><\/div><div class=\"btClear btSeparator topSmallSpaced bottomSmallSpaced 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