{"id":12332,"date":"2020-07-30T10:22:46","date_gmt":"2020-07-30T08:22:46","guid":{"rendered":"http:\/\/navier-lab.fr\/?page_id=12332"},"modified":"2020-07-30T10:22:46","modified_gmt":"2020-07-30T08:22:46","slug":"structures-en-maconnerie","status":"publish","type":"page","link":"https:\/\/navier-lab.fr\/en\/research\/materiaux-et-structures-architectures-msa\/modelisation-et-changements-dechelle\/structures-en-maconnerie\/","title":{"rendered":"Structures en ma\u00e7onnerie"},"content":{"rendered":"<p><section class=\"kc-elm kc-css-264327 kc_row\"><div class=\"kc-row-container  kc-container\"><div class=\"kc-wrap-columns\"><div class=\"kc-elm kc-css-21835 kc_col-sm-7 kc_column kc_col-sm-7\"><div class=\"kc-col-container\"><div class=\"kc-elm kc-css-974378 kc_text_block\"><\/p>\n<p>L\u2019\u00e9quipe MSA \u00e9tudie la r\u00e9ponse et le comportement \u00e0 rupture des <strong>structures en ma\u00e7onnerie sous sollicitations extr\u00eames<\/strong> (explosions, vent, s\u00e9isme, etc.). Les applications comprennent la <strong>sauvegarde du patrimoine architectural<\/strong> compos\u00e9 par des structures monumentales en briques et en pierre ainsi que la mise en place de <strong>syst\u00e8mes de protection<\/strong> pour les \u00e9l\u00e9ments structurels des telles chefs-d\u2019\u0153uvre.<\/p>\n<p>Le chargement d\u00fb \u00e0 une explosion est \u00e9tudi\u00e9 depuis un certain temps et les normes actuelles fournissent des directives \u00e9l\u00e9mentaires pour la conception des nouveaux b\u00e2timents. Cependant, les <strong>structures monumentales<\/strong>, qui ont \u00e9t\u00e9 <strong>cibl\u00e9es<\/strong> \u00e0 plusieurs reprises et qui sont la plupart des fois construites en <strong>brique<\/strong> et en <strong>pierre<\/strong>, ne sont ni \u00e9tudi\u00e9s ni prot\u00e9g\u00e9es par des normes. Par cons\u00e9quent, il est particuli\u00e8rement difficile de pr\u00e9dire leur <strong>r\u00e9ponse dynamique<\/strong>. Gr\u00e2ce \u00e0 leur masse, ces structures peuvent avoir une r\u00e9sistance importante \u00e0 la pression g\u00e9n\u00e9r\u00e9e par le souffle d\u2019une explosion. Pourtant, leur faible r\u00e9sistance en traction et leur syst\u00e8me de descente des charges les rendent <strong>tr\u00e8s vuln\u00e9rables aux explosions<\/strong>. De plus, leur g\u00e9om\u00e9trie complexe et articul\u00e9e (ces structures sont souvent constitu\u00e9es d\u2019arcs, vo\u00fbtes et d\u00f4mes) augmente leur vuln\u00e9rabilit\u00e9 en raison de la (re-)focalisation des ondes de choc \u00e0 la suite d\u2019une d\u00e9tonation.<\/p>\n<p>\n<\/div><\/div><\/div><div class=\"kc-elm kc-css-14183 kc_col-sm-5 kc_column kc_col-sm-5\"><div class=\"kc-col-container\">\n<div class=\"kc-elm kc-css-878150 kc-title-wrap \">\n\n\t<h4 class=\"kc_title\">Equipe et associations professionnelles<\/h4>\n<\/div>\n<div class=\"kc-elm kc-css-690388 kc_text_block\"><\/p>\n<ul>\n<li><a href=\"\/equipe\/massi-filippo\/\">F. Masi<\/a> (Navier)<\/li>\n<li><a href=\"\/equipe\/stefanou-ioannis\/\">I. Stefanou<\/a> (Navier)<\/li>\n<li><a href=\"http:\/\/pvweb.freeiz.com\">P. Vannucci<\/a> (USVQ)<\/li>\n<li>V. Maffi-Berthier (Ing\u00e9rop)<\/li>\n<li><a href=\"http:\/\/www.ingerop.fr\/fr\/infrastructures-ville-transports\" target=\"_blank\" rel=\"noopener noreferrer\">Ing\u00e9rop, Conseil et Ing\u00e9nierie<\/a><\/li>\n<\/ul>\n<p>\n<\/div>\n<div class=\"kc-elm kc-css-721181 kc-title-wrap \">\n\n\t<h4 class=\"kc_title\">Th\u00e8mes de recherche<\/h4>\n<\/div>\n<div class=\"kc-elm kc-css-56981 kc_text_block\"><\/p>\n<ul>\n<li>Explosions et leur chargements: mod\u00e9lisations coupl\u00e9es fluide-structure,<\/li>\n<li>Mod\u00e9lisation \u00e0 la meso-\u00e9chelle par M\u00e9thodes aux \u00c9l\u00e9ments Discrets,<\/li>\n<li>Mod\u00e9lisation \u00e0 la macro-\u00e9chelle par M\u00e9thodes aux \u00c9l\u00e9ment Finis,<\/li>\n<li>Sauvegarde des artefacts (mus\u00e9es) contre attaque explosives.<\/li>\n<\/ul>\n<p>\n<\/div><\/div><\/div><\/div><\/div><\/section><section class=\"kc-elm kc-css-451176 kc_row\"><div class=\"kc-row-container  kc-container\"><div class=\"kc-wrap-columns\"><div class=\"kc-elm kc-css-287668 kc_col-sm-12 kc_column kc_col-sm-12\"><div class=\"kc-col-container\">\n<div class=\"kc-elm kc-css-332737 kc-title-wrap \">\n\n\t<h4 class=\"kc_title\">S\u00e9lection des publications<\/h4>\n<\/div>\n<div class=\"kc-elm kc-css-715745 kc_text_block\"><\/p>\n<ul>\n<li>P. Vannucci, F. Masi, I. Stefanou.\u00a0<a href=\"https:\/\/doi.org\/10.1016\/j.engstruct.2019.01.030\">A nonlinear approach to the wind strength of Gothic Cathedrals: The case of Notre Dame of Paris<\/a>.\u00a0<em>Engineering Structures\u00a0<\/em>183, 860-873, 2019.<\/li>\n<li>P. Vannucci, F. Masi, I. Stefanou.\u00a0 Simulations of blast effects in monumental structures, In\u00a0<span class=\"pv-accomplishment-entity__publisher\"><em>Proceedings of the 13th World Congress on Computational Mechanics \/ 2nd Pan American Congress on Computational Mechanics<\/em>. New York City, USA. 22-27 July, 2018.<\/span><\/li>\n<li>F. Masi, I. Stefanou, P.\u00a0 Vannucci. <a href=\"https:\/\/doi.org\/10.1016\/j.engfailanal.2018.06.013\">On the origin of the cracks in the dome of the Pantheon in Rome<\/a>.\u00a0<i>Engineering Failure Analysis<\/i>,\u00a0<i>92<\/i>, 587\u2013596, 2018.<\/li>\n<li>F. Masi, I. Stefanou, P.\u00a0 Vannucci. <a href=\"https:\/\/doi.org\/10.1016\/j.engstruct.2018.02.082\">A study on the effects of an explosion in the Pantheon of Rome<\/a>.\u00a0<i>Engineering Structures<\/i>,\u00a0<i>164<\/i>, 259\u2013273, 2018.<\/li>\n<li>F. Masi, I. Stefanou, P. Vannucci. \u00c9tude de la r\u00e9ponse structurale de structure \u00e0 g\u00e9om\u00e9trie complexe aux explosions: le cas du Panth\u00e9on de Rome, In\u00a0<em>Proceedings of the 2\u00e8me \u00c9dition des Journ\u00e9es Nationales Ma\u00e7onnerie<\/em>, IFSTTAR. Marne- la-Vall\u00e9e, France. 22-23 March, 2018.<\/li>\n<li>M. Godio, I. Stefanou, K. Sab. <a href=\"https:\/\/doi.org\/10.1007\/s11012-017-0688-z\">Effects of the dilatancy of joints and of the size of the building blocks on the mechanical behavior of masonry structures<\/a>. <em>Meccanica\u00a0<\/em> <span class=\"fontstyle0\">53(7), 1629-1643, 2017.<\/span><em><br \/>\n<\/em><\/li>\n<li>M. Godio, I. Stefanou, K. Sab, J. Sulem, S. Sakji.\u00a0<a href=\"https:\/\/doi.org\/10.1016\/j.euromechsol.2017.06.011\">A limit analysis approach based on Cosserat continuum for the evaluation of the in-plane strength of discrete media: Application to masonry<\/a>.\u00a0<em>European Journal of Mechanics \u2013 A\/Solids<\/em>\u00a066, 168-192, 2017.<\/li>\n<li>F. Masi.\u00a0<a href=\"https:\/\/doi.org\/10.17605\/OSF.IO\/EKUS8\"><i>Blast actions from high explosives . Studies on their simulation and effects<\/i><\/a>. Master Thesis, University of Florence, 2017.<\/li>\n<li>\n<div>P. Vannucci, I. Stefanou, F. Masi. Project <em>Cath\u00e9drales durables \u2013<\/em>\u00a0CNRS <em>Recherche-Attentats<\/em>. Technical report. Paris, France, 2017.<\/div>\n<\/li>\n<li>I.N. Psycharis, M. Fragiadakis, I. Stefanou. <a href=\"https:\/\/doi.org\/10.1002\/eqe.2312\">Seismic reliability assessment of classical columns subjected to near-fault ground motions<\/a>. <em>Earthquake Engineering Structural Dynamics<\/em> 42(14), 2061-2079, 2013.<\/li>\n<li>I. Stefanou, I. Vardoulakis, A. Mavraganis. <a href=\"https:\/\/doi.org\/10.1016\/j.ijnonlinmec.2010.07.008\">Dynamic motion of a conical frustum over a rough horizontal plane<\/a>. <em>International Journal of Non-Linear Mechanics<\/em> 46(1), 114-124, 2011.<\/li>\n<\/ul>\n<p>\n<\/div><\/div><\/div><\/div><\/div><\/section><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":12320,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-12332","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/navier-lab.fr\/en\/wp-json\/wp\/v2\/pages\/12332","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/navier-lab.fr\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/navier-lab.fr\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/navier-lab.fr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/navier-lab.fr\/en\/wp-json\/wp\/v2\/comments?post=12332"}],"version-history":[{"count":1,"href":"https:\/\/navier-lab.fr\/en\/wp-json\/wp\/v2\/pages\/12332\/revisions"}],"predecessor-version":[{"id":12333,"href":"https:\/\/navier-lab.fr\/en\/wp-json\/wp\/v2\/pages\/12332\/revisions\/12333"}],"up":[{"embeddable":true,"href":"https:\/\/navier-lab.fr\/en\/wp-json\/wp\/v2\/pages\/12320"}],"wp:attachment":[{"href":"https:\/\/navier-lab.fr\/en\/wp-json\/wp\/v2\/media?parent=12332"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}