{"id":420,"date":"2026-03-04T10:05:07","date_gmt":"2026-03-04T09:05:07","guid":{"rendered":"https:\/\/accelshop.be\/blog\/?p=420"},"modified":"2026-03-16T11:40:37","modified_gmt":"2026-03-16T10:40:37","slug":"coefficient-securite-levage","status":"publish","type":"post","link":"https:\/\/accelshop.be\/blog\/info-pratique\/coefficient-securite-levage\/","title":{"rendered":"Coefficient de s\u00e9curit\u00e9 levage | Guide du calcul \u2013 ACCEL"},"content":{"rendered":"<style><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\ufeff<\/span><br \/>\/* H2 & H3 underline *\/<br \/>h2.wp-block-heading,<br \/>h3.wp-block-heading {<br \/>  border-bottom:1px solid #9885F7 !important;<br \/>  padding:0.5em 0 !important;<br \/>}<\/p>\n<p>\/* Spacing for paragraphs and ordered lists *\/<br \/>.wp-block-paragraph,<br \/>ul.wp-block-list-ordered {<br \/>  margin-top:.3em !important;<br \/>  margin-bottom:.3em !important;<br \/>}<br \/>ol.wp-block-list-ordered { padding-left:0.7em !important; }<\/p>\n<p>\/* blue hyperlinks and TOC links *\/<br \/>a,<br \/>#h-toc a { color:#9885F7 !important; }<br \/><\/style>\n<p class=\"wp-block-paragraph\">Chaque fois que vous hissez une palette ou une t\u00f4le, vous vous fiez \u00e0 un chiffre discret : le coefficient de s\u00e9curit\u00e9 en levage. Sans lui, la moindre surcharge, vibration ou rafale de vent pourrait transformer votre chantier en zone \u00e0 risque. Dans les lignes qui suivent, nous d\u00e9codons simplement ce concept technique, nous d\u00e9taillons les valeurs impos\u00e9es par les normes qui s\u2019appliquent en Belgique et nous montrons comment v\u00e9rifier vos propres \u00e9quipements gr\u00e2ce \u00e0 notre <a href=\"#h-methode-pratique-de-calcul\">m\u00e9thode pratique de calcul<\/a>. Que vous manipuliez une <strong>sangle textile<\/strong>, un <strong>anneau de levage<\/strong> ou un <strong>palan manuel<\/strong>, comprendre le coefficient de s\u00e9curit\u00e9 levage permet d\u2019anticiper les impr\u00e9vus et d\u2019\u00e9carter les accidents. Visitez notre <a href=\"https:\/\/accelshop.be\/\">boutique en ligne ACCEL<\/a> pour d\u00e9couvrir nos solutions adapt\u00e9es.<\/p>\n<h2 id=\"h-title\" class=\"wp-block-heading\">Coefficient de s\u00e9curit\u00e9 en levage : le calcul essentiel pour \u00e9viter les accidents<\/h2>\n<p class=\"wp-block-paragraph\">Temps de lecture : ~6 min<\/p>\n<ol id=\"h-toc\" class=\"wp-block-paragraph\">\n<li><a href=\"#h-comprendre-le-coefficient-de-securite-en-levage\">Comprendre le coefficient de s\u00e9curit\u00e9 en levage<\/a><\/li>\n<li><a href=\"#h-normes-et-valeurs-de-reference-en-belgique-et-en-europe\">Normes et valeurs de r\u00e9f\u00e9rence en Belgique et en Europe<\/a><\/li>\n<li><a href=\"#h-methode-pratique-de-calcul\">M\u00e9thode pratique de calcul<\/a><\/li>\n<li><a href=\"#h-exemples-concrets-avec-les-equipements-accel\">Exemples concrets avec les \u00e9quipements ACCEL<\/a><\/li>\n<li><a href=\"#h-foire-aux-questions\">Foire aux questions<\/a><\/li>\n<li><a href=\"#h-synthese\">Synth\u00e8se<\/a><\/li>\n<\/ol>\n<h2 id=\"h-comprendre-le-coefficient-de-securite-en-levage\" class=\"wp-block-heading\">Comprendre le coefficient de s\u00e9curit\u00e9 en levage<\/h2>\n<h3 id=\"h-definition-simple\" class=\"wp-block-heading\">D\u00e9finition simple<\/h3>\n<p class=\"wp-block-paragraph\">Le coefficient de s\u00e9curit\u00e9 (not\u00e9 s) correspond au rapport entre la charge de rupture ou de conception et la charge maximale d\u2019utilisation (CMU). <strong>s = Charge de rupture \/ CMU<\/strong>. Si s = 4, une \u00e9lingue annonc\u00e9e pour 1 tonne casse seulement au-del\u00e0 de 4 tonnes. La marge de s\u00e9curit\u00e9 (m = s \u2212 1) absorbe les chocs, les \u00e0-coups au d\u00e9marrage d\u2019un pont roulant ou les micro-d\u00e9fauts de fabrication.<\/p>\n<h3 id=\"h-pourquoi-cette-marge-est-incontournable\" class=\"wp-block-heading\">Pourquoi cette marge est incontournable<\/h3>\n<ol>\n<li>Les charges ne sont jamais parfaitement statiques (d\u00e9marrages, freinages).<\/li>\n<li>Les mat\u00e9riaux vieillissent, se corrodent ou subissent des griffes.<\/li>\n<li>Des erreurs humaines surviennent (mauvais angle d\u2019\u00e9lingage, estimation de masse optimiste).<\/li>\n<\/ol>\n<p class=\"wp-block-paragraph\">Appliquer le coefficient de s\u00e9curit\u00e9 levage revient donc \u00e0 surdimensionner volontairement chaque pi\u00e8ce de la cha\u00eene de levage afin de garder une r\u00e9serve intacte m\u00eame en cas d\u2019impr\u00e9vu.<\/p>\n<h2 id=\"h-normes-et-valeurs-de-reference-en-belgique-et-en-europe\" class=\"wp-block-heading\">Normes et valeurs de r\u00e9f\u00e9rence en Belgique et en Europe<\/h2>\n<p class=\"wp-block-paragraph\">Les exigences europ\u00e9ennes (EN, Eurocodes) et l\u2019arr\u00eat\u00e9 fran\u00e7ais du 18\/12\/1992, repris par de nombreux guides belges, fixent des coefficients minimaux (voir aussi le site du <a href=\"https:\/\/emploi.belgique.be\/\">SPF Emploi, Travail et Concertation sociale<\/a>) :<\/p>\n<div class=\"table-wrapper\">\n<table class=\"alt\">\n<thead>\n<tr>\n<th>Mat\u00e9riel (exemples en stock chez ACCEL)<\/th>\n<th>Coefficient minimal<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Cha\u00eenes de levage<\/td>\n<td>4<\/td>\n<\/tr>\n<tr>\n<td>Accessoires m\u00e9talliques (crochets, palonniers)<\/td>\n<td>4<\/td>\n<\/tr>\n<tr>\n<td>C\u00e2bles m\u00e9talliques<\/td>\n<td>5<\/td>\n<\/tr>\n<tr>\n<td>Sangles textiles<\/td>\n<td>7<\/td>\n<\/tr>\n<tr>\n<td>Mousquetons, maillons rapides, poulies spectacle<\/td>\n<td>5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"wp-block-paragraph\">En Belgique comme chez nos voisins, l\u2019<strong>anneau de levage<\/strong> doit pr\u00e9senter au moins 4 (les \u00c9tats-Unis exigent 5). Dans le spectacle ou la lev\u00e9e de personnes, ces valeurs doublent souvent.<\/p>\n<h3 id=\"h-cas-des-chaines-cables-et-elingues-textiles\" class=\"wp-block-heading\">Cas des cha\u00eenes, c\u00e2bles et \u00e9lingues textiles<\/h3>\n<p class=\"wp-block-paragraph\">Les \u00e9lingues textile doivent r\u00e9pondre \u00e0 s = 7. Par exemple, la <strong>Sangle de levage plate 4 T boucles repli\u00e9es<\/strong> (<a href=\"https:\/\/accelshop.be\/fr\/14-sangle-elingue-textile\">Sangle et \u00c9lingue textile<\/a>) est con\u00e7ue pour rompre au-del\u00e0 de 28 tonnes. Pour une <strong>\u00e9lingue cha\u00eene 1 brin crochet automatique<\/strong> (63,16 \u20ac TTC), le coefficient minimal est 4, soit une rupture vers 4 CMU.<\/p>\n<h3 id=\"h-focus-sur-les-anneaux-de-levage\" class=\"wp-block-heading\">Focus sur les anneaux de levage<\/h3>\n<p class=\"wp-block-paragraph\">Un <strong>Anneau de levage M\u00e2le Plgw Gamma<\/strong> (35,09 \u20ac TTC) affiche sa CMU sur le marquage. Avec s = 4, un mod\u00e8le 1 tonne r\u00e9siste jusqu\u2019\u00e0 4 tonnes. Cette r\u00e8gle vaut aussi pour nos r\u00e9f\u00e9rences INOX et articul\u00e9es pr\u00e9sentes dans la famille <a href=\"https:\/\/accelshop.be\/fr\/11-anneau-de-levage\">Anneau de levage<\/a>.<\/p>\n<h2 id=\"h-methode-pratique-de-calcul\" class=\"wp-block-heading\">M\u00e9thode pratique de calcul<\/h2>\n<p class=\"wp-block-paragraph\">Un calcul pas \u00e0 pas \u00e9vite les suppositions hasardeuses.<\/p>\n<h3 id=\"h-etape-1-determiner-la-cmu\" class=\"wp-block-heading\">\u00c9tape 1 : d\u00e9terminer la CMU<\/h3>\n<p class=\"wp-block-paragraph\">Rep\u00e9rez l\u2019\u00e9tiquette ou la gravure CMU de votre accessoire. Sur un <strong>Palan Manuel Aluminium<\/strong> (<a href=\"https:\/\/accelshop.be\/fr\/13-palan-electrique-et-manuel\">Palan \u00e9lectrique et manuel<\/a>), la CMU de 1 500 kg signifie : charge de rupture \u2265 1 500 \u00d7 4 = 6 000 kg.<\/p>\n<h3 id=\"h-etape-2-appliquer-les-facteurs-dynamiques-et-geometriques\" class=\"wp-block-heading\">\u00c9tape 2 : appliquer les facteurs dynamiques et g\u00e9om\u00e9triques<\/h3>\n<ul>\n<li>Charge en mouvement lent (grue) : multipliez par 1,3.<\/li>\n<li>Pont roulant ou man\u0153uvres brutales : multipliez par 1,6.<\/li>\n<li>Angle d\u2019\u00e9lingage \u03b2 : la composante verticale devient CMU \u00d7 cos \u03b2.<\/li>\n<\/ul>\n<p class=\"wp-block-paragraph\"><strong>CMU finale = (CMU brin \u00d7 nombre de brins \u00d7 cos \u03b2) \/ (s \u00d7 \u03c6dynamique).<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-442\" src=\"https:\/\/accelshop.be\/blog\/wp-content\/uploads\/2026\/03\/maille-de-chaine-deforme.jpg\" alt=\"Maillon de chaine d\u00e9form\u00e9\" width=\"1024\" height=\"550\" srcset=\"https:\/\/accelshop.be\/blog\/wp-content\/uploads\/2026\/03\/maille-de-chaine-deforme.jpg 1024w, https:\/\/accelshop.be\/blog\/wp-content\/uploads\/2026\/03\/maille-de-chaine-deforme-300x161.jpg 300w, https:\/\/accelshop.be\/blog\/wp-content\/uploads\/2026\/03\/maille-de-chaine-deforme-768x413.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p>Photo d&rsquo;un maillon d&rsquo;une chaine r\u00e9form\u00e9 apr\u00e8s VGP &#8211; Effort de traction d\u00e9formant<\/p>\n<h3 id=\"h-etape-3-verifier-la-resistance-du-materiau\" class=\"wp-block-heading\">\u00c9tape 3 : v\u00e9rifier la r\u00e9sistance du mat\u00e9riau<\/h3>\n<p class=\"wp-block-paragraph\">Pour la traction : \u03c3 \u2264 Rp \/ s. Pour le cisaillement : \u03c4 \u2264 Reg \/ s. Les fiches techniques de nos <strong>manilles lyre Pewag axe viss\u00e9<\/strong> (35,09 \u20ac TTC) ou de nos <strong>crochets \u00e0 \u0153il automatique PEWAG<\/strong> (39,93 \u20ac TTC) mentionnent d\u00e9j\u00e0 ces limites, simplifiant vos contr\u00f4les.<\/p>\n<h2 id=\"h-exemples-concrets-avec-les-equipements-accel\" class=\"wp-block-heading\">Exemples concrets avec les \u00e9quipements ACCEL<\/h2>\n<h3 id=\"h-sangles-textiles-securiser-les-charges-legeres\" class=\"wp-block-heading\">Sangles textiles : s\u00e9curiser les charges l\u00e9g\u00e8res<\/h3>\n<p class=\"wp-block-paragraph\">Une <strong>\u00c9lingue textile ronde 3 t<\/strong> (5,32 \u20ac TTC) dot\u00e9e d\u2019un coefficient 7 casse seulement au-del\u00e0 de 21 t. Utilis\u00e9e pour lever un moteur de 2 t, la marge atteint 650 %. Les surcharges temporaires (balancement) demeurent sans impact.<\/p>\n<h3 id=\"h-palans-et-accessoires-assurer-le-levage-motorise\" class=\"wp-block-heading\">Palans et accessoires : assurer le levage motoris\u00e9<\/h3>\n<p class=\"wp-block-paragraph\">Lorsque vous combinez un <strong>Palan \u00e9lectrique \u00e0 cha\u00eene 400 V \u2013 1 vitesse<\/strong> (1 926,32 \u20ac TTC) avec un <strong>Chariot porte palan manuel<\/strong> (75,02 \u20ac TTC), chaque composant poss\u00e8de s \u2265 4. En ajoutant un <strong>Dynamom\u00e8tre Delta<\/strong> (<a href=\"https:\/\/accelshop.be\/fr\/25-mesure\">Mesure<\/a>), vous lisez imm\u00e9diatement l\u2019effort appliqu\u00e9 et vous v\u00e9rifiez que la CMU n\u2019est jamais d\u00e9pass\u00e9e.<\/p>\n<h2 id=\"h-foire-aux-questions\" class=\"wp-block-heading\">FAQ<\/h2>\n<h3 class=\"wp-block-heading\">Quel coefficient de s\u00e9curit\u00e9 pour un c\u00e2ble antigiratoire ?<\/h3>\n<p class=\"wp-block-paragraph\">La norme retient 5. Un c\u00e2ble antigiratoire \u00d8 12 mm graiss\u00e9 (5,32 \u20ac TTC\/m) rompt donc seulement au-del\u00e0 de 5 fois sa CMU.<\/p>\n<h3 class=\"wp-block-heading\">Puis-je r\u00e9duire le coefficient si la charge est parfaitement statique ?<\/h3>\n<p class=\"wp-block-paragraph\">Non. Les normes imposent les valeurs minimales pour couvrir aussi la fatigue, la corrosion et les chocs accidentels.<\/p>\n<h3 class=\"wp-block-heading\">Comment savoir si mon ancien accessoire respecte encore sa CMU ?<\/h3>\n<p class=\"wp-block-paragraph\">Faites v\u00e9rifier l\u2019accessoire par un organisme agr\u00e9\u00e9 ou remplacez-le. Les co\u00fbts tr\u00e8s accessibles d\u2019un <strong>Crochet \u00e0 \u0153il avec linguet PEWAG<\/strong> (12,52 \u20ac TTC) ne justifient pas de prendre le moindre risque.<\/p>\n<h3 class=\"wp-block-heading\">Les coefficients sont-ils identiques pour l\u2019arrimage ?<\/h3>\n<p class=\"wp-block-paragraph\">Non. L\u2019arrimage concerne le transport et non le levage vertical. Utilisez plut\u00f4t la norme EN 12195-2.<\/p>\n<h3 class=\"wp-block-heading\">Les produits ACCEL sont-ils conformes aux normes belges ?<\/h3>\n<p class=\"wp-block-paragraph\">Oui. Tous nos fournisseurs, de <a href=\"https:\/\/accelshop.be\/fr\/supplier\/9-pewag\">Pewag<\/a> \u00e0 <a href=\"https:\/\/accelshop.be\/fr\/supplier\/1-delta-hoisting\">Delta Hoisting<\/a>, d\u00e9livrent des certificats de conformit\u00e9 CE annex\u00e9s aux factures.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-443\" src=\"https:\/\/accelshop.be\/blog\/wp-content\/uploads\/2026\/03\/sangle-levage.jpg\" alt=\"sangle levage\" width=\"1024\" height=\"550\" srcset=\"https:\/\/accelshop.be\/blog\/wp-content\/uploads\/2026\/03\/sangle-levage.jpg 1024w, https:\/\/accelshop.be\/blog\/wp-content\/uploads\/2026\/03\/sangle-levage-300x161.jpg 300w, https:\/\/accelshop.be\/blog\/wp-content\/uploads\/2026\/03\/sangle-levage-768x413.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<h2 id=\"h-synthese\" class=\"wp-block-heading\">Synth\u00e8se<\/h2>\n<p class=\"wp-block-paragraph\">Int\u00e9grer le coefficient de s\u00e9curit\u00e9 levage \u00e0 chaque man\u0153uvre revient \u00e0 prendre une assurance vie pour vos \u00e9quipes, votre mat\u00e9riel et vos projets. Retenez ces trois r\u00e9flexes : conna\u00eetre la CMU r\u00e9elle, appliquer les facteurs dynamiques et contr\u00f4ler r\u00e9guli\u00e8rement l\u2019\u00e9tat des accessoires.<\/p>\n<p class=\"wp-block-paragraph\">Besoin d\u2019\u00e9quipements d\u00e9j\u00e0 dimensionn\u00e9s selon ces exigences ? Parcourez notre s\u00e9lection <a href=\"https:\/\/accelshop.be\/fr\/4-materiel-de-levage\">Appareil, \u00e9quipement de levage et manutention<\/a> et d\u00e9couvrez nos solutions adapt\u00e9es \u00e0 votre chantier. Retrouvez \u00e9galement tous nos produits sur la <a href=\"https:\/\/accel-boutique.fr\/\">boutique ACCEL<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chaque fois que vous hissez une palette ou une t\u00f4le, vous vous fiez \u00e0 un chiffre discret : le coefficient de s\u00e9curit\u00e9 en levage. Sans lui, la moindre surcharge, vibration ou rafale de vent pourrait transformer votre chantier en zone \u00e0 risque. Dans les lignes qui suivent, nous d\u00e9codons simplement ce concept technique, nous d\u00e9taillons [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":421,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-420","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-info-pratique"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Coefficient de s\u00e9curit\u00e9 levage | Guide du calcul \u2013 ACCEL<\/title>\n<meta name=\"description\" content=\"Chaque fois que vous hissez une palette ou une t\u00f4le, vous vous fiez \u00e0 un chiffre discret : le coefficient de s\u00e9curit\u00e9 en levage. 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