{"id":1085,"date":"2013-05-15T20:37:15","date_gmt":"2013-05-15T19:37:15","guid":{"rendered":"http:\/\/mdemierre.speleologie.ch\/?p=1085"},"modified":"2026-05-14T16:12:28","modified_gmt":"2026-05-14T15:12:28","slug":"opinel-pour-couper-le-cordeau","status":"publish","type":"post","link":"https:\/\/www.techt.ch\/mdemierre\/?p=1085","title":{"rendered":"Opinel pour couper le cordeau d\u00e9tonnant"},"content":{"rendered":"<p>Le cordeau d\u00e9tonnant, un conduit souple contenant du penthrite, est couramment utilis\u00e9 en minage. Il est en g\u00e9n\u00e9ral coup\u00e9 :<\/p>\n<ul>\n<li><span style=\"line-height: 1.714285714; font-size: 1rem;\">Sur une planchette en bois.<\/span><\/li>\n<li><span style=\"line-height: 1.714285714; font-size: 1rem;\">Sans effectuer un mouvement de sciage.<\/span><\/li>\n<\/ul>\n<p>Pour les cordeaux de petits diam\u00e8tres, comme le 24 et le 40 g\/m utilis\u00e9 en microblasting, une solution originale consiste \u00e0 utiliser un opinel, dont le manche est en bois, en d\u00e9coupant une encoche dans le manche afin de placer le cordeau d\u00e9tonnant. Le cordeau se coupe en fermant le couteau, un peu comme pour le<span style=\"text-decoration: underline; color: #3366ff;\"> <a title=\"couper de corde\" href=\"http:\/\/mdemierre.speleologie.ch\/?p=746\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #3366ff; text-decoration: underline;\">couper de corde avec un couteau<\/span><\/a><\/span>. La lame doit \u00eatre bien aff\u00fbt\u00e9e.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1092\" src=\"http:\/\/www.techt.ch\/mdemierre\/wp-content\/uploads\/opinel_cordeau-300x228.jpg\" alt=\"\" width=\"300\" height=\"228\" srcset=\"https:\/\/www.techt.ch\/mdemierre\/wp-content\/uploads\/opinel_cordeau-300x228.jpg 300w, https:\/\/www.techt.ch\/mdemierre\/wp-content\/uploads\/opinel_cordeau.jpg 518w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Une autre possibilit\u00e9 consiste \u00e0 utiliser un s\u00e9cateur \u00e0 enclume, dont l&rsquo;enclume est dans un mat\u00e9riau tendre.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le cordeau d\u00e9tonnant, un conduit souple contenant du penthrite, est couramment utilis\u00e9 en minage. Il est en g\u00e9n\u00e9ral coup\u00e9 : [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1092,"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":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ngg_post_thumbnail":0,"footnotes":""},"categories":[3,2],"tags":[27,41,19],"class_list":["post-1085","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-explosifs","category-technique","tag-explosifs-2","tag-minage","tag-speleologie-2"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Le cordeau d\u00e9tonnant, un conduit souple contenant du penthrite, est couramment utilis\u00e9 en minage. 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