{"id":1326,"date":"2013-09-07T21:57:09","date_gmt":"2013-09-07T20:57:09","guid":{"rendered":"http:\/\/mdemierre.speleologie.ch\/?p=1326"},"modified":"2015-01-17T22:50:30","modified_gmt":"2015-01-17T21:50:30","slug":"appreciation-du-risque-en-minage-speleo","status":"publish","type":"post","link":"https:\/\/www.techt.ch\/mdemierre\/?p=1326","title":{"rendered":"Appr\u00e9ciation du risque en minage sp\u00e9l\u00e9o"},"content":{"rendered":"<p>L&rsquo;\u00e9valuation des risques en minage sp\u00e9l\u00e9ologique est souvent d\u00e9licate, car le milieu est confin\u00e9 avec en particulier la probl\u00e9matique complexe des gaz toxiques. Ce risque d\u00e9pend principalement de :<\/p>\n<ul>\n<li>Genre de minage (par exemple le microblasting pour un impact minimum sur l&rsquo;environnement).<\/li>\n<li>La ventilation (en sp\u00e9l\u00e9o, le confinement est souvent important avec parfois une quasi absence de renouvellement de l&rsquo;air par ventilation naturelle).<\/li>\n<li>La protection contre les \u00e9clats.<\/li>\n<li>La topographie (en \u00e9troiture, dans des passages verticaux ou les zones \u00e9bouleuses, le risque est particuli\u00e8rement marqu\u00e9 lors de l&#8217;emploi d&rsquo;explosifs).<\/li>\n<li>L&rsquo;objet \u00e0 miner (bloc, parois, &#8230;).<\/li>\n<li>La distance avec la mise \u00e0 couvert (comme la progression est souvent difficile en sp\u00e9l\u00e9ologie, la mise \u00e0 feu est parfois effectu\u00e9e \u00e0 peu de distance).<\/li>\n<\/ul>\n<p>Voici donc un outils non officiel \u00e0 utiliser en compl\u00e9ment \u00e0 l&rsquo;\u00e9valuation des risques de dommages, car il n&rsquo;est pas pleinement adapt\u00e9 au minage en sp\u00e9l\u00e9ologie.<br \/>\n<span style=\"text-decoration: underline; color: #0000ff;\"><a href=\"http:\/\/mdemierre.speleologie.ch\/wp-content\/uploads\/130709-risque-de-dommage-en-minage-sp\u00e9l\u00e9o.pdf\"><span style=\"color: #0000ff; text-decoration: underline;\">T\u00e9l\u00e9charger le document en pdf<\/span><\/a><\/span><\/p>\n<p>L&rsquo;\u00e9valuation usuelle trouvant sur le site du\u00a0SEFRI (Secr\u00e9tariat d&rsquo;Etat \u00e0 la formation, \u00e0 la recherche et \u00e0 l&rsquo;innovation) :<\/p>\n<p><span style=\"text-decoration: underline; color: #0000ff;\"><a title=\"Evaluation du risque de dommage lors de travaux de minage\" href=\"http:\/\/www.sbfi.admin.ch\/berufsbildung\/01453\/01455\/index.html?lang=fr&amp;download=NHzLpZeg7t,lnp6I0NTU042l2Z6ln1ae2IZn4Z2qZpnO2Yuq2Z6gpJCDdHt_gWym162epYbg2c_JjKbNoKSn6A--\" target=\"_blank\"><span style=\"color: #0000ff; text-decoration: underline;\">T\u00e9l\u00e9charger l&rsquo;\u00e9valuation du risque de dommage lors de travaux de minage du SEFRI<\/span><\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&rsquo;\u00e9valuation des risques en minage sp\u00e9l\u00e9ologique est souvent d\u00e9licate, car le milieu est confin\u00e9 avec en particulier la probl\u00e9matique complexe [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1340,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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