{"id":5030,"date":"2026-08-17T02:46:00","date_gmt":"2026-08-17T02:46:00","guid":{"rendered":"https:\/\/roadskymarking.com\/?p=5030"},"modified":"2026-08-17T02:47:01","modified_gmt":"2026-08-17T02:47:01","slug":"aashto-m247-glass-beads-for-road-marking","status":"publish","type":"post","link":"https:\/\/roadskymarking.com\/fr\/aashto-m247-glass-beads-for-road-marking.html","title":{"rendered":"Perles de verre AASHTO M247 pour le marquage routier"},"content":{"rendered":"<p>Si vous travaillez avec <strong><a style=\"text-decoration: underline;\" href=\"https:\/\/roadskymarking.com\/fr\/road-marking-material\/\" data-type=\"link\" data-id=\"https:\/\/roadskymarking.com\/road-marking-material\" target=\"_blank\" rel=\"noreferrer noopener\">mat\u00e9riaux de marquage routier<\/a><\/strong>, vous avez sans doute d\u00e9j\u00e0 entendu parler des billes de verre AASHTO M247. Ce sont de petites billes de verre, mais elles jouent un r\u00f4le tr\u00e8s important pour rendre les marquages routiers plus visibles, notamment la nuit.<\/p>\n\n\n\n<p>En termes simples, la norme AASHTO M 247 est une sp\u00e9cification relative aux billes de verre qui sont dispers\u00e9es ou pulv\u00e9ris\u00e9es sur les marquages routiers afin de cr\u00e9er un marquage routier r\u00e9tror\u00e9fl\u00e9chissant. La version actuelle est la norme AASHTO M 247-13(2022), qui correspond \u00e0 l'\u00e9dition r\u00e9vis\u00e9e et approuv\u00e9e de cette sp\u00e9cification.<\/p>\n\n\n\n<p>Alors, en quoi consistent exactement ces perles de verre, comment fonctionnent-elles et \u00e0 quoi faut-il faire attention lors de leur achat ? Voyons cela de plus pr\u00e8s.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/roadskymarking.com\/wp-content\/uploads\/2026\/08\/What-Are-AASHTO-M247-Glass-Beads.jpg\" alt=\"Que sont les billes de verre conformes \u00e0 la norme AASHTO M247 ?\" class=\"wp-image-5032\" srcset=\"https:\/\/roadskymarking.com\/wp-content\/uploads\/2026\/08\/What-Are-AASHTO-M247-Glass-Beads.jpg 600w, https:\/\/roadskymarking.com\/wp-content\/uploads\/2026\/08\/What-Are-AASHTO-M247-Glass-Beads-400x267.jpg 400w, https:\/\/roadskymarking.com\/wp-content\/uploads\/2026\/08\/What-Are-AASHTO-M247-Glass-Beads-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table des mati\u00e8res<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table des mati\u00e8res\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/roadskymarking.com\/fr\/aashto-m247-glass-beads-for-road-marking.html\/#What_Are_AASHTO_M247_Glass_Beads\" >Que sont les billes de verre conformes \u00e0 la norme AASHTO M247 ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/roadskymarking.com\/fr\/aashto-m247-glass-beads-for-road-marking.html\/#How_Do_Glass_Beads_Make_Road_Markings_Reflective\" >Comment les billes de verre rendent-elles les marquages routiers r\u00e9fl\u00e9chissants ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/roadskymarking.com\/fr\/aashto-m247-glass-beads-for-road-marking.html\/#AASHTO_M247_Glass_Bead_Types\" >Types de billes de verre selon la norme AASHTO M247<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/roadskymarking.com\/fr\/aashto-m247-glass-beads-for-road-marking.html\/#Important_Quality_Requirements\" >Exigences importantes en mati\u00e8re de qualit\u00e9<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/roadskymarking.com\/fr\/aashto-m247-glass-beads-for-road-marking.html\/#1_Refractive_Index\" >1. Indice de r\u00e9fraction<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/roadskymarking.com\/fr\/aashto-m247-glass-beads-for-road-marking.html\/#2_Roundness\" >2. Rondeur<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/roadskymarking.com\/fr\/aashto-m247-glass-beads-for-road-marking.html\/#3_Clean_and_Transparent_Glass\" >3. Verre propre et transparent<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/roadskymarking.com\/fr\/aashto-m247-glass-beads-for-road-marking.html\/#4_Moisture_Resistance\" >4. R\u00e9sistance \u00e0 l'humidit\u00e9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/roadskymarking.com\/fr\/aashto-m247-glass-beads-for-road-marking.html\/#5_Bead_Gradation\" >5. Gradation des perles<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/roadskymarking.com\/fr\/aashto-m247-glass-beads-for-road-marking.html\/#Where_Are_AASHTO_M247_Glass_Beads_Used\" >O\u00f9 utilise-t-on les billes de verre conformes \u00e0 la norme AASHTO M247 ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/roadskymarking.com\/fr\/aashto-m247-glass-beads-for-road-marking.html\/#Drop-On_Glass_Beads_vs_Premix_Glass_Beads\" >Perles de verre \u00e0 verser ou perles de verre pr\u00e9m\u00e9lang\u00e9es ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/roadskymarking.com\/fr\/aashto-m247-glass-beads-for-road-marking.html\/#Why_Bead_Embedment_Matters\" >Pourquoi l'int\u00e9gration des perles est-elle importante ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/roadskymarking.com\/fr\/aashto-m247-glass-beads-for-road-marking.html\/#How_to_Choose_the_Right_AASHTO_M247_Glass_Beads\" >Comment choisir les billes de verre conformes \u00e0 la norme AASHTO M247<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/roadskymarking.com\/fr\/aashto-m247-glass-beads-for-road-marking.html\/#What_type_of_road_marking_material_are_you_using\" >Quel type de mat\u00e9riau de marquage routier utilisez-vous ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/roadskymarking.com\/fr\/aashto-m247-glass-beads-for-road-marking.html\/#What_bead_type_does_the_project_specification_require\" >Quel type de perle est-il sp\u00e9cifi\u00e9 dans le cahier des charges du projet ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/roadskymarking.com\/fr\/aashto-m247-glass-beads-for-road-marking.html\/#What_level_of_nighttime_visibility_is_required\" >Quel niveau de visibilit\u00e9 nocturne est requis ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/roadskymarking.com\/fr\/aashto-m247-glass-beads-for-road-marking.html\/#Will_the_beads_be_used_in_a_humid_environment\" >Les perles seront-elles utilis\u00e9es dans un environnement humide ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/roadskymarking.com\/fr\/aashto-m247-glass-beads-for-road-marking.html\/#Can_the_supplier_provide_test_reports\" >Le fournisseur est-il en mesure de fournir des rapports d'essai ?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/roadskymarking.com\/fr\/aashto-m247-glass-beads-for-road-marking.html\/#Final_Thoughts\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Are_AASHTO_M247_Glass_Beads\"><\/span>Que sont les billes de verre conformes \u00e0 la norme AASHTO M247 ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Les billes de verre AASHTO M247 sont des particules de verre sph\u00e9riques et transparentes utilis\u00e9es avec les mat\u00e9riaux de marquage routier tels que <strong><a href=\"https:\/\/roadskymarking.com\/fr\/road-marking-paint\/\" data-type=\"link\" data-id=\"https:\/\/roadskymarking.com\/road-marking-paint\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">peinture routi\u00e8re<\/a><\/strong>, <strong><a href=\"https:\/\/roadskymarking.com\/fr\/thermoplastic-road-marking-paint.html\/\" data-type=\"link\" data-id=\"https:\/\/roadskymarking.com\/thermoplastic-road-marking-paint.html\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">thermoplastique<\/a><\/strong>, ainsi que d'autres syst\u00e8mes de marquage routier.<\/p>\n\n\n\n<p>Leur mission principale consiste \u00e0 am\u00e9liorer la <strong><a href=\"https:\/\/roadskymarking.com\/fr\/7-factors-that-affect-road-marking-line-reflectivity.html\/\" data-type=\"link\" data-id=\"https:\/\/roadskymarking.com\/7-factors-that-affect-road-marking-line-reflectivity.html\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">r\u00e9tror\u00e9flectivit\u00e9 des marquages routiers<\/a><\/strong>.<\/p>\n\n\n\n<p>Lorsque les phares d'un v\u00e9hicule \u00e9clairent un marquage routier, les billes de verre captent une partie de cette lumi\u00e8re et la renvoient vers le conducteur. Cela permet de distinguer beaucoup plus facilement les lignes blanches et jaunes de la chauss\u00e9e dans des conditions de faible luminosit\u00e9.<\/p>\n\n\n\n<p>Cela rev\u00eat une importance particuli\u00e8re sur les autoroutes, les voies rapides, aux carrefours, aux passages pi\u00e9tons et sur d'autres voies o\u00f9 la visibilit\u00e9 nocturne est essentielle.<\/p>\n\n\n\n<p>La FHWA d\u00e9crit les billes de verre conformes \u00e0 la norme AASHTO M247 comme une solution standard dans le secteur et \u00e9conomique pour assurer la r\u00e9tror\u00e9flectivit\u00e9 des marquages routiers.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Do_Glass_Beads_Make_Road_Markings_Reflective\"><\/span>Comment les billes de verre rendent-elles les marquages routiers r\u00e9fl\u00e9chissants ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Le principe est en fait assez simple.<\/p>\n\n\n\n<p>Une perle de verre agit comme une minuscule lentille optique.<\/p>\n\n\n\n<p>Lorsque la lumi\u00e8re des phares d'un v\u00e9hicule atteint la bille, la surface incurv\u00e9e du verre la r\u00e9fracte et contribue \u00e0 la renvoyer vers la source lumineuse. La lumi\u00e8re \u00e9tant ainsi redirig\u00e9e vers le conducteur, le marquage routier appara\u00eet lumineux la nuit.<\/p>\n\n\n\n<p>Sans billes de verre, une ligne de signalisation peinte peut rester visible pendant la journ\u00e9e, mais sa visibilit\u00e9 nocturne peut \u00eatre nettement r\u00e9duite.<\/p>\n\n\n\n<p>C'est pourquoi on appelle souvent les perles de verre <strong><a href=\"https:\/\/roadskymarking.com\/fr\/glass-beads.html\/\" data-type=\"link\" data-id=\"https:\/\/roadskymarking.com\/glass-beads.html\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"text-decoration: underline;\">billes de verre r\u00e9tror\u00e9fl\u00e9chissantes ou billes de verre pour le marquage routier<\/a><\/strong>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/roadskymarking.com\/wp-content\/uploads\/2026\/08\/AASHTO-M247-Glass-Bead-Types.jpg\" alt=\"Types de billes de verre selon la norme AASHTO M247\" class=\"wp-image-5033\" srcset=\"https:\/\/roadskymarking.com\/wp-content\/uploads\/2026\/08\/AASHTO-M247-Glass-Bead-Types.jpg 600w, https:\/\/roadskymarking.com\/wp-content\/uploads\/2026\/08\/AASHTO-M247-Glass-Bead-Types-400x267.jpg 400w, https:\/\/roadskymarking.com\/wp-content\/uploads\/2026\/08\/AASHTO-M247-Glass-Bead-Types-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"AASHTO_M247_Glass_Bead_Types\"><\/span>Types de billes de verre selon la norme AASHTO M247<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>L'un des aspects qui peut pr\u00eater \u00e0 confusion lors de l'achat de billes de verre conformes \u00e0 la norme AASHTO M247 r\u00e9side dans les diff\u00e9rents types de billes disponibles.<\/p>\n\n\n\n<p>Le cahier des charges pr\u00e9cise :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Type 0<\/strong> \u2013 d\u00e9grad\u00e9 uniforme<\/li>\n\n\n\n<li><strong>Type 1<\/strong> \u2013 gradation standard<\/li>\n\n\n\n<li><strong>Type 2<\/strong> \u2013 gradation modifi\u00e9e<\/li>\n\n\n\n<li><strong>Type 3<\/strong> \u2013 gradation modifi\u00e9e<\/li>\n\n\n\n<li><strong>Type 4<\/strong> \u2013 gradation modifi\u00e9e<\/li>\n\n\n\n<li><strong>Type 5<\/strong> \u2013 gradation modifi\u00e9e<\/li>\n<\/ul>\n\n\n\n<p>Les diff\u00e9rents types se distinguent principalement par la distribution granulom\u00e9trique, ou gradation, des billes.<\/p>\n\n\n\n<p>Par exemple, les billes de petite taille sont g\u00e9n\u00e9ralement utilis\u00e9es dans les applications n\u00e9cessitant une gradation plus fine, tandis que les billes de plus grande taille peuvent s'av\u00e9rer utiles dans les applications o\u00f9 l'on recherche une exposition plus importante des billes et une meilleure durabilit\u00e9.<\/p>\n\n\n\n<p>Ne vous contentez donc pas de demander \u00e0 un fournisseur des \u201c billes de verre conformes \u00e0 la norme AASHTO M247 \u201d. Il est pr\u00e9f\u00e9rable de pr\u00e9ciser le type et la granulom\u00e9trie requis en fonction de votre syst\u00e8me de marquage routier et du cahier des charges du projet.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Important_Quality_Requirements\"><\/span>Exigences importantes en mati\u00e8re de qualit\u00e9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>La norme AASHTO M247 ne se limite pas \u00e0 la taille des billes. Plusieurs propri\u00e9t\u00e9s sont importantes pour garantir des performances constantes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Refractive_Index\"><\/span>1. Indice de r\u00e9fraction<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>L'indice de r\u00e9fraction est l'une des propri\u00e9t\u00e9s les plus importantes.<\/p>\n\n\n\n<p>La norme AASHTO M247 sp\u00e9cifie un indice de r\u00e9fraction compris entre environ 1,50 et 1,55 pour les billes de verre.<\/p>\n\n\n\n<p>L'indice de r\u00e9fraction influe sur l'efficacit\u00e9 avec laquelle la lumi\u00e8re p\u00e9n\u00e8tre dans la perle et s'y propage.<\/p>\n\n\n\n<p>Concr\u00e8tement, de bonnes propri\u00e9t\u00e9s optiques sont indispensables pour obtenir une r\u00e9tror\u00e9flectivit\u00e9 nocturne \u00e9lev\u00e9e.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Roundness\"><\/span>2. Rondeur<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>La forme de la perle est \u00e9galement importante.<\/p>\n\n\n\n<p>Id\u00e9alement, les billes de verre devraient \u00eatre aussi sph\u00e9riques que possible. La norme AASHTO M247 pr\u00e9voit un pourcentage minimal de billes v\u00e9ritablement sph\u00e9riques, et les sp\u00e9cifications commerciales indiquent g\u00e9n\u00e9ralement un minimum de 70% de billes v\u00e9ritablement sph\u00e9riques.<\/p>\n\n\n\n<p>En quoi est-ce important ?<\/p>\n\n\n\n<p>En effet, une perle ronde agit un peu comme une minuscule lentille. Les particules irr\u00e9guli\u00e8res ou bris\u00e9es risquent de ne pas offrir les m\u00eames performances optiques.<\/p>\n\n\n\n<p>Une meilleure rondeur peut \u00e9galement contribuer \u00e0 un \u00e9coulement plus r\u00e9gulier des perles dans les \u00e9quipements d'application.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Clean_and_Transparent_Glass\"><\/span>3. Verre propre et transparent<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Les perles doivent \u00eatre propres, s\u00e8ches et transparentes.<\/p>\n\n\n\n<p>Une pr\u00e9sence excessive de bulles, de rayures, de d\u00e9fauts de surface, de salissures ou d'autres imperfections peut nuire aux performances optiques.<\/p>\n\n\n\n<p>Une perle de verre de bonne qualit\u00e9 destin\u00e9e au marquage routier doit \u00eatre transparente, et non trouble ou fortement encrass\u00e9e.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Moisture_Resistance\"><\/span>4. R\u00e9sistance \u00e0 l'humidit\u00e9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>L'humidit\u00e9 peut poser des probl\u00e8mes pendant le stockage et l'application.<\/p>\n\n\n\n<p>Si les billes absorbent l'humidit\u00e9 ou forment des grumeaux, elles risquent de ne pas s'\u00e9couler correctement dans le distributeur. Cela peut entra\u00eener une r\u00e9partition in\u00e9gale sur le marquage routier.<\/p>\n\n\n\n<p>La norme AASHTO M247 d\u00e9finit des exigences relatives aux rev\u00eatements et \u00e0 la r\u00e9sistance \u00e0 l'humidit\u00e9, en fonction des besoins de l'acheteur.<\/p>\n\n\n\n<p>Pour les projets men\u00e9s dans des r\u00e9gions au climat humide ou pluvieux, un traitement anti-humidit\u00e9 peut donc constituer un \u00e9l\u00e9ment important \u00e0 prendre en compte.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Bead_Gradation\"><\/span>5. Gradation des perles<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>La gradation indique la r\u00e9partition des tailles des perles.<\/p>\n\n\n\n<p>Par exemple, la norme utilise des mailles de tamis pour contr\u00f4ler le pourcentage de mat\u00e9riau passant \u00e0 travers les diff\u00e9rentes ouvertures de tamis. Les diff\u00e9rents types de M247 sont soumis \u00e0 des exigences de granulom\u00e9trie diff\u00e9rentes.<\/p>\n\n\n\n<p>C'est important car la taille des perles doit \u00eatre adapt\u00e9e \u00e0 la m\u00e9thode d'application et au mat\u00e9riau de marquage.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/roadskymarking.com\/wp-content\/uploads\/2026\/08\/Where-Are-AASHTO-M247-Glass-Beads-Used.jpg\" alt=\"O\u00f9 utilise-t-on les billes de verre conformes \u00e0 la norme AASHTO M247 ?\" class=\"wp-image-5034\" srcset=\"https:\/\/roadskymarking.com\/wp-content\/uploads\/2026\/08\/Where-Are-AASHTO-M247-Glass-Beads-Used.jpg 600w, https:\/\/roadskymarking.com\/wp-content\/uploads\/2026\/08\/Where-Are-AASHTO-M247-Glass-Beads-Used-400x267.jpg 400w, https:\/\/roadskymarking.com\/wp-content\/uploads\/2026\/08\/Where-Are-AASHTO-M247-Glass-Beads-Used-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Where_Are_AASHTO_M247_Glass_Beads_Used\"><\/span>O\u00f9 utilise-t-on les billes de verre conformes \u00e0 la norme AASHTO M247 ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Les billes de verre conformes \u00e0 la norme AASHTO M247 sont largement utilis\u00e9es pour diverses applications de marquage routier.<\/p>\n\n\n\n<p>Parmi les applications courantes, on peut citer :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Marquage des voies de circulation<\/li>\n\n\n\n<li>Lignes de bord<\/li>\n\n\n\n<li>Lignes m\u00e9dianes<\/li>\n\n\n\n<li>Symboles et fl\u00e8ches routiers<\/li>\n\n\n\n<li>Passages pour pi\u00e9tons<\/li>\n\n\n\n<li>Lignes d'arr\u00eat<\/li>\n\n\n\n<li>Marquages de signalisation routi\u00e8re<\/li>\n\n\n\n<li>Marquages au sol dans les a\u00e9roports, le cas \u00e9ch\u00e9ant<\/li>\n\n\n\n<li>Marquages routiers urbains<\/li>\n\n\n\n<li>Marquages sur les voies rapides et les autoroutes<\/li>\n<\/ul>\n\n\n\n<p>Ils peuvent \u00eatre utilis\u00e9s avec diff\u00e9rents types de mat\u00e9riaux de marquage, en fonction des exigences du projet.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Drop-On_Glass_Beads_vs_Premix_Glass_Beads\"><\/span>Perles de verre \u00e0 verser ou perles de verre pr\u00e9m\u00e9lang\u00e9es ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Vous d\u00e9couvrirez \u00e9galement les billes de verre \u00ab drop-on \u00bb et les billes de verre pr\u00e9m\u00e9lang\u00e9es.<\/p>\n\n\n\n<p>Les billes \u00e0 saupoudrer sont appliqu\u00e9es \u00e0 la surface du mat\u00e9riau de marquage routier fra\u00eechement pos\u00e9. Elles s'incrustent partiellement dans le marquage tout en restant suffisamment apparentes pour assurer la r\u00e9tror\u00e9flexion.<\/p>\n\n\n\n<p>Les billes de pr\u00e9m\u00e9lange, quant \u00e0 elles, sont incorpor\u00e9es au mat\u00e9riau de marquage avant l'application.<\/p>\n\n\n\n<p>De nombreux syst\u00e8mes de marquage routier combinent diff\u00e9rentes tailles de billes et diff\u00e9rentes m\u00e9thodes d'application afin d'obtenir les performances souhait\u00e9es.<\/p>\n\n\n\n<p>La m\u00e9thode \u00e0 adopter d\u00e9pend du type de mat\u00e9riau de marquage, du mat\u00e9riel d'application, des conditions de circulation et du cahier des charges du projet.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/roadskymarking.com\/wp-content\/uploads\/2026\/08\/Why-Bead-Embedment-Matters.jpg\" alt=\"Pourquoi l&#039;int\u00e9gration des perles est-elle importante ?\" class=\"wp-image-5035\" srcset=\"https:\/\/roadskymarking.com\/wp-content\/uploads\/2026\/08\/Why-Bead-Embedment-Matters.jpg 600w, https:\/\/roadskymarking.com\/wp-content\/uploads\/2026\/08\/Why-Bead-Embedment-Matters-400x267.jpg 400w, https:\/\/roadskymarking.com\/wp-content\/uploads\/2026\/08\/Why-Bead-Embedment-Matters-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Bead_Embedment_Matters\"><\/span>Pourquoi l'int\u00e9gration des perles est-elle importante ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>L'achat de billes de verre AASHTO M247 de haute qualit\u00e9 ne repr\u00e9sente qu'une partie du travail.<\/p>\n\n\n\n<p>La mani\u00e8re dont les perles sont pos\u00e9es est tout aussi importante.<\/p>\n\n\n\n<p>Si les billes sont enfonc\u00e9es trop profond\u00e9ment dans le mat\u00e9riau de marquage, la surface de verre expos\u00e9e risque d'\u00eatre insuffisante pour assurer une r\u00e9tror\u00e9flexion efficace.<\/p>\n\n\n\n<p>Si elles sont plac\u00e9es trop haut par rapport \u00e0 la surface, elles risquent d'\u00eatre davantage expos\u00e9es \u00e0 l'usure due \u00e0 la circulation et de se perdre.<\/p>\n\n\n\n<p>L'objectif est d'obtenir un niveau ad\u00e9quat d'enfoncement et d'exposition des perles.<\/p>\n\n\n\n<p>C'est l'une des raisons pour lesquelles les entrepreneurs sp\u00e9cialis\u00e9s dans le marquage routier veillent tout particuli\u00e8rement \u00e0 la temp\u00e9rature d'application, \u00e0 l'\u00e9paisseur du mat\u00e9riau, au d\u00e9bit de d\u00e9pose des perles et au mat\u00e9riel utilis\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Choose_the_Right_AASHTO_M247_Glass_Beads\"><\/span>Comment choisir les billes de verre conformes \u00e0 la norme AASHTO M247<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Si vous cherchez \u00e0 vous approvisionner en billes de verre pour un projet de marquage routier, je vous conseille de commencer par vous poser les questions suivantes :<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_type_of_road_marking_material_are_you_using\"><\/span>Quel type de mat\u00e9riau de marquage routier utilisez-vous ?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>La peinture routi\u00e8re, les mat\u00e9riaux thermoplastiques et d'autres syst\u00e8mes de marquage peuvent n\u00e9cessiter des tailles de billes et des m\u00e9thodes d'application diff\u00e9rentes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_bead_type_does_the_project_specification_require\"><\/span>Quel type de perle est-il sp\u00e9cifi\u00e9 dans le cahier des charges du projet ?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Ne partez pas du principe que le type 1 est toujours le bon choix. Consultez d'abord les documents du projet.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_level_of_nighttime_visibility_is_required\"><\/span>Quel niveau de visibilit\u00e9 nocturne est requis ?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Pour obtenir des marquages routiers plus performants, il peut \u00eatre n\u00e9cessaire de mettre en place un syst\u00e8me de billes soigneusement con\u00e7u, plut\u00f4t que de se contenter d'utiliser davantage de billes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Will_the_beads_be_used_in_a_humid_environment\"><\/span>Les perles seront-elles utilis\u00e9es dans un environnement humide ?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Si oui, il pourrait \u00eatre int\u00e9ressant d'envisager un traitement anti-humidit\u00e9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Can_the_supplier_provide_test_reports\"><\/span>Le fournisseur est-il en mesure de fournir des rapports d'essai ?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Cela rev\u00eat une importance particuli\u00e8re pour les projets d'infrastructures publics, routiers et internationaux.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Final_Thoughts\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>La norme AASHTO M 247 reste l'une des sp\u00e9cifications essentielles \u00e0 conna\u00eetre lors de l'achat de billes de verre destin\u00e9es au marquage routier. La version actuellement en vigueur est la norme AASHTO M 247-13(2022), qui porte sur les billes de verre utilis\u00e9es pour la r\u00e9alisation de marquages routiers r\u00e9fl\u00e9chissants.<\/p>\n\n\n\n<p>Si vous achetez des billes de verre conformes \u00e0 la norme AASHTO M247 pour le marquage routier, concentrez-vous sur trois aspects : la conformit\u00e9 aux sp\u00e9cifications, la qualit\u00e9 des billes et les performances \u00e0 l'application.<\/p>","protected":false},"excerpt":{"rendered":"<p>If you work with road marking materials, you have probably come across AASHTO M247 glass beads. They are small glass beads, but they play a very important role in making road markings easier to see, especially at night. In simple terms, AASHTO M247 is a specification for glass beads that are dropped or sprayed onto pavement markings to create a retroreflective road marking. The current version is AASHTO M 247-13(2022), which is the reapproved current edition of the specification. So, what exactly are these glass beads, how do they work, and what should you check when buying them? Let&#8217;s take a closer look. What Are AASHTO M247 Glass Beads? AASHTO M247 glass beads are transparent, spherical glass particles used with pavement marking materials such as traffic paint, thermoplastic, and other road marking systems. Their main job is to improve the retroreflectivity of road markings. When a vehicle&#8217;s headlights shine on a road marking, the glass beads capture and redirect part &#8230;<\/p>","protected":false},"author":1,"featured_media":5032,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-5030","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>AASHTO M247 Glass Beads for Road Marking - Roadsky<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/roadskymarking.com\/fr\/aashto-m247-glass-beads-for-road-marking.html\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"AASHTO M247 Glass Beads for Road Marking - Roadsky\" \/>\n<meta property=\"og:description\" content=\"If you work with road marking materials, you have probably come across AASHTO M247 glass beads. They are small glass beads, but they play a very important role in making road markings easier to see, especially at night. In simple terms, AASHTO M247 is a specification for glass beads that are dropped or sprayed onto pavement markings to create a retroreflective road marking. The current version is AASHTO M 247-13(2022), which is the reapproved current edition of the specification. So, what exactly are these glass beads, how do they work, and what should you check when buying them? Let&#8217;s take a closer look. What Are AASHTO M247 Glass Beads? AASHTO M247 glass beads are transparent, spherical glass particles used with pavement marking materials such as traffic paint, thermoplastic, and other road marking systems. Their main job is to improve the retroreflectivity of road markings. When a vehicle&#8217;s headlights shine on a road marking, the glass beads capture and redirect part ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/roadskymarking.com\/fr\/aashto-m247-glass-beads-for-road-marking.html\/\" \/>\n<meta property=\"og:site_name\" content=\"Nanjing Roadsky Traffic Facility Co.,Ltd. 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They are small glass beads, but they play a very important role in making road markings easier to see, especially at night. In simple terms, AASHTO M247 is a specification for glass beads that are dropped or sprayed onto pavement markings to create a retroreflective road marking. The current version is AASHTO M 247-13(2022), which is the reapproved current edition of the specification. So, what exactly are these glass beads, how do they work, and what should you check when buying them? Let&#8217;s take a closer look. What Are AASHTO M247 Glass Beads? AASHTO M247 glass beads are transparent, spherical glass particles used with pavement marking materials such as traffic paint, thermoplastic, and other road marking systems. Their main job is to improve the retroreflectivity of road markings. 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