{"id":91375,"date":"2026-04-15T14:01:55","date_gmt":"2026-04-15T12:01:55","guid":{"rendered":"https:\/\/efectis.com\/?page_id=91375"},"modified":"2026-04-15T14:01:57","modified_gmt":"2026-04-15T12:01:57","slug":"essais-explosion-et-atex","status":"publish","type":"page","link":"https:\/\/efectis.com\/fr\/essais-explosion-et-atex\/","title":{"rendered":"Essais explosion et ATEX"},"content":{"rendered":"\n

Les avanc\u00e9es technologiques contribuent au d\u00e9veloppement de solutions de plus en plus sp\u00e9cifiques, con\u00e7ues pour r\u00e9pondre de mani\u00e8re pr\u00e9cise aux exigences du march\u00e9, et s\u2019accompagnent fr\u00e9quemment de l\u2019\u00e9mergence de produits ou proc\u00e9d\u00e9s innovants. La mise en \u0153uvre de mat\u00e9riaux avanc\u00e9s, de m\u00e9langes complexes de substances (comprenant liquides, vapeurs et solides), dans des domaines tels que la fabrication additive (impression 3D), le recyclage des batteries, l\u2019agroalimentaire ou l\u2019industrie pharmaceutique, est susceptible d\u2019engendrer de nouveaux risques qu\u2019il convient d\u2019identifier et d\u2019\u00e9valuer.<\/strong><\/p>\n\n\n\n

L\u2019\u00e9tat de division de la mati\u00e8re et les interactions entre les mol\u00e9cules pr\u00e9sentes dans ces m\u00e9langes influencent fortement les propri\u00e9t\u00e9s de combustion et d\u2019explosion, pouvant conduire \u00e0 des comportements significativement diff\u00e9rents, voire amplifi\u00e9s, par rapport \u00e0 ceux des constituants pris individuellement. Ces ph\u00e9nom\u00e8nes requi\u00e8rent une caract\u00e9risation exp\u00e9rimentale et analytique approfondie.<\/p>\n\n\n\n

Ainsi, l\u2019ing\u00e9nierie de la s\u00e9curit\u00e9 explosion s\u2019appuie sur une caract\u00e9risation pr\u00e9alable des substances susceptibles de former des ATmosph\u00e8res EXplosives (ATEX), telles que les mati\u00e8res pulv\u00e9rulentes (poudres, fibres, sciures de bois, c\u00e9r\u00e9ales, m\u00e9taux) ainsi que les liquides (vapeurs) et gaz combustibles. Cette caract\u00e9risation repose sur la r\u00e9alisation d\u2019essais d\u2019inflammabilit\u00e9 et d\u2019explosivit\u00e9, permettant l\u2019\u00e9valuation des danger associ\u00e9es \u00e0 ces substances.<\/p>\n\n\n

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Ces essais peuvent \u00eatre r\u00e9alis\u00e9s dans les laboratoires d\u2019EFECTIS, conform\u00e9ment aux exigences de la norme ISO\/IEC 17025. Ils couvrent un large spectre de normes europ\u00e9ennes (EN), am\u00e9ricains (ASTM) et internationaux (ISO\/IEC), et permettent de d\u00e9terminer les principaux param\u00e8tres li\u00e9s \u00e0 la s\u00e9v\u00e9rit\u00e9 de l\u2019explosion, au domaine d\u2019explosivit\u00e9 et \u00e0 la sensibilit\u00e9 \u00e0 l\u2019inflammation des poussi\u00e8res, liquides (vapeurs) et gaz. L\u2019\u00e9valuation rigoureuse de ces grandeurs constitue une \u00e9tape d\u00e9terminante pour \u00e9laborer un accompagnement en ing\u00e9nierie, ajust\u00e9 aux propri\u00e9t\u00e9s physico-chimiques des substances consid\u00e9r\u00e9es et aux conditions op\u00e9ratoires sp\u00e9cifiques des proc\u00e9d\u00e9s.<\/p>\n\n\n

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EFECTIS accompagne \u00e9galement ses clients dans l\u2019\u00e9valuation des cons\u00e9quences accidentelles associ\u00e9es aux substances susceptibles de g\u00e9n\u00e9rer des ATmosph\u00e8res EXplosives (ATEX). Cette analyse s\u2019appuie sur l\u2019utilisation d\u2019outils de simulation CFD avanc\u00e9s, permettant d\u2019aborder de mani\u00e8re int\u00e9gr\u00e9e l\u2019ensemble de la d\u00e9marche de ma\u00eetrise du risque d\u2019explosion. L\u2019approche adopt\u00e9e par EFECTIS repose sur une compr\u00e9hension approfondie des ph\u00e9nom\u00e8nes physiques mis en jeu, combin\u00e9e \u00e0 des moyens exp\u00e9rimentaux d\u00e9di\u00e9s et \u00e0 des capacit\u00e9s de mod\u00e9lisation 3D. Elle permet de proposer des solutions techniques robustes et op\u00e9rationnelles, adapt\u00e9es aux besoins sp\u00e9cifiques des clients, tout en tenant compte des contraintes d\u2019implantation industrielle et du cadre r\u00e9glementaire applicable en mati\u00e8re de pr\u00e9vention des risques incendie et d\u2019explosion.<\/p>\n\n\n

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Les services propos\u00e9s par EFECTIS comprennent notamment :<\/p>\n\n\n\n

    \n
  • L\u2019assistance \u00e0 l\u2019implantation des installations et \u00e0 la d\u00e9finition des distances de s\u00e9curit\u00e9<\/li>\n\n\n\n
  • Le classement des zones ATEX par approche simplifi\u00e9e ou par simulation num\u00e9rique<\/li>\n\n\n\n
  • L\u2019optimisation des surfaces d\u2019\u00e9vents d\u2019explosion et des autres mesures de protection selon les r\u00e9f\u00e9rentiels NFPA 68, EN 14994, EN 14491, ou par simulation num\u00e9rique<\/li>\n\n\n\n
  • Des \u00e9tudes d\u2019explosion r\u00e9alis\u00e9es avec les logiciels de simulation num\u00e9rique FLACS CFD\u00ae et VIPER: BLAST\u00ae<\/li>\n\n\n\n
  • L\u2019analyse des risques li\u00e9s aux poussi\u00e8res (Dust Hazard Analysis \u2013 DHA<\/em>), en conformit\u00e9 avec les exigences de la norme NFPA 660 et la r\u00e9glementation ATEX<\/li>\n\n\n\n
  • La caract\u00e9risation des chargements d\u2019explosion dans des environnements complexes<\/li>\n\n\n\n
  • L\u2019\u00e9valuation de la r\u00e9sistance des ouvrages soumis \u00e0 des ph\u00e9nom\u00e8nes d\u2019explosion<\/li>\n\n\n\n
  • L\u2019analyse du risque li\u00e9 aux atmosph\u00e8res explosives \u00ab ATEX \u00bb (accompagnement pour la s\u00e9curit\u00e9 des travailleurs au titre de la directive 99\/92\/CE)<\/li>\n\n\n\n
  • L\u2019assistance technique portant sur l\u2019ad\u00e9quation des \u00e9quipements Ex mis en \u0153uvre dans les zones \u00ab ATEX \u00bb (directive mat\u00e9riels 2014\/34\/UE)<\/li>\n\n\n\n
  • Formations ATEX : principes de base, r\u00e9glementation et modes de protection \u00e9lectriques et non-\u00e9lectriques<\/li>\n<\/ul>\n\n\n\n

    Enfin, l\u2019expertise explosion d\u2019EFECTIS s\u2019int\u00e8gre aux comp\u00e9tences reconnues depuis de nombreuses ann\u00e9es en ing\u00e9nierie de s\u00e9curit\u00e9 incendie, afin de proposer des solutions coh\u00e9rentes et int\u00e9gr\u00e9es de gestion combin\u00e9e des risques incendie et explosion.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Les avanc\u00e9es technologiques contribuent au d\u00e9veloppement de solutions de plus en plus sp\u00e9cifiques, con\u00e7ues pour r\u00e9pondre de mani\u00e8re pr\u00e9cise aux exigences du march\u00e9, et s\u2019accompagnent fr\u00e9quemment de l\u2019\u00e9mergence…<\/p>\n","protected":false},"author":10,"featured_media":91397,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_uag_custom_page_level_css":"","footnotes":""},"class_list":["post-91375","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"rankMath":{"parentDomain":"efectis.com","noFollowDomains":[],"noFollowExcludeDomains":[],"noFollowExternalLinks":false,"featuredImageNotice":"The featured image should be at least 200 by 200 pixels to be picked up by Facebook and other social media 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