{"id":7354,"date":"2025-04-14T10:07:08","date_gmt":"2025-04-14T14:07:08","guid":{"rendered":"https:\/\/wipware.com\/?p=7354"},"modified":"2026-09-14T15:26:30","modified_gmt":"2026-09-14T19:26:30","slug":"understanding-the-fundamentals-of-blasting-and-fragmentation-part-1","status":"publish","type":"post","link":"https:\/\/wipware.com\/fr\/kb\/understanding-the-fundamentals-of-blasting-and-fragmentation-part-1\/","title":{"rendered":"Comprendre les principes fondamentaux du dynamitage et de la fragmentation \u2013 Partie 1"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-introduction\">Introduction<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le dynamitage est une op\u00e9ration essentielle dans les mines, les carri\u00e8res et la construction. Elle consiste \u00e0 d\u00e9clencher de mani\u00e8re contr\u00f4l\u00e9e des explosifs pour fragmenter la roche en morceaux plus faciles \u00e0 manipuler. Le principe fondamental du dynamitage repose sur la compr\u00e9hension de l&#039;interaction entre l&#039;\u00e9nergie explosive et la m\u00e9canique des roches, notamment la propagation des ondes de choc et la formation subs\u00e9quente de fractures.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-the-shock-wave-theory-of-blasting\">La th\u00e9orie des ondes de choc dans les explosions<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La th\u00e9orie des ondes de choc permet de comprendre comment l&#039;\u00e9nergie explosive se transforme en travail m\u00e9canique, provoquant la rupture de la roche. Comme l&#039;a mentionn\u00e9 Hino (1956), lors de la d\u00e9tonation d&#039;une charge explosive, une onde de choc intense se produit, accompagn\u00e9e d&#039;une lib\u00e9ration rapide de gaz et d&#039;\u00e9nergie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette \u00e9nergie produit deux effets principaux\u00a0:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-crushed-zone-formation\">1. Formation de la zone broy\u00e9e :<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c0 proximit\u00e9 de la charge explosive, la roche subit une contrainte de compression intense, d\u00e9passant sa r\u00e9sistance \u00e0 la compression. Il se cr\u00e9e alors une zone de broyage, o\u00f9 la roche est pulv\u00e9ris\u00e9e en fins fragments. Cependant, comme les roches poss\u00e8dent g\u00e9n\u00e9ralement une r\u00e9sistance \u00e0 la compression \u00e9lev\u00e9e, cette zone de broyage reste limit\u00e9e au voisinage imm\u00e9diat de la charge.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"646\" height=\"510\" data-id=\"7355\" src=\"https:\/\/wipware.com\/wp-content\/uploads\/2025\/01\/5-Figure2-1.png\" alt=\"Croquis montrant le trou de mine, les fissures aux joints et les dommages.\" class=\"wp-image-7355\" srcset=\"https:\/\/wipware.com\/wp-content\/uploads\/2025\/01\/5-Figure2-1.png 646w, https:\/\/wipware.com\/wp-content\/uploads\/2025\/01\/5-Figure2-1-300x237.png 300w, https:\/\/wipware.com\/wp-content\/uploads\/2025\/01\/5-Figure2-1-15x12.png 15w\" sizes=\"auto, (max-width: 646px) 100vw, 646px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"581\" height=\"569\" data-id=\"7357\" src=\"https:\/\/wipware.com\/wp-content\/uploads\/2025\/01\/Crushed-and-cracked-zones-around-the-explosion-point_W640.jpg\" alt=\"Un croquis montre la zone d\u00e9vast\u00e9e par l&#039;explosion.\" class=\"wp-image-7357\" srcset=\"https:\/\/wipware.com\/wp-content\/uploads\/2025\/01\/Crushed-and-cracked-zones-around-the-explosion-point_W640.jpg 581w, https:\/\/wipware.com\/wp-content\/uploads\/2025\/01\/Crushed-and-cracked-zones-around-the-explosion-point_W640-300x294.jpg 300w, https:\/\/wipware.com\/wp-content\/uploads\/2025\/01\/Crushed-and-cracked-zones-around-the-explosion-point_W640-12x12.jpg 12w\" sizes=\"auto, (max-width: 581px) 100vw, 581px\" \/><\/figure>\n<\/figure>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">Figure 1 )Shadab Far et al., 2019)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-shock-wave-propagation\">2. Propagation de l&#039;onde de choc :<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Au-del\u00e0 de la zone d&#039;\u00e9crasement, une onde de choc \u00e0 haute pression se propage vers l&#039;ext\u00e9rieur sous forme d&#039;onde de compression. Cette onde ne provoque pas imm\u00e9diatement la rupture de la roche, mais transf\u00e8re de l&#039;\u00e9nergie \u00e0 travers la masse rocheuse.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Au niveau de la premi\u00e8re surface libre (une limite sans contrainte externe, comme la surface d&#039;une banquette ou d&#039;une paroi de tunnel), l&#039;onde de compression se r\u00e9fl\u00e9chit sous forme d&#039;onde de traction. En m\u00e9canique des roches, cette transition est cruciale car les roches sont nettement plus fragiles sous contrainte de traction que sous contrainte de compression. Lorsque l&#039;onde de traction interagit avec la roche, des fractures se forment lorsque la tension effective \u2013 la diff\u00e9rence entre l&#039;onde de traction r\u00e9fl\u00e9chie et toute compression r\u00e9siduelle \u2013 d\u00e9passe la r\u00e9sistance \u00e0 la traction de la roche (Himanshu et al., 2024).<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"468\" height=\"415\" src=\"https:\/\/wipware.com\/wp-content\/uploads\/2025\/01\/Picture1.jpg\" alt=\"ondes de compression dues \u00e0 une explosion\" class=\"wp-image-7360\" srcset=\"https:\/\/wipware.com\/wp-content\/uploads\/2025\/01\/Picture1.jpg 468w, https:\/\/wipware.com\/wp-content\/uploads\/2025\/01\/Picture1-300x266.jpg 300w, https:\/\/wipware.com\/wp-content\/uploads\/2025\/01\/Picture1-14x12.jpg 14w\" sizes=\"auto, (max-width: 468px) 100vw, 468px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-thickness-of-the-first-slab-and-fragmentation\">\u00c9paisseur de la premi\u00e8re dalle et fragmentation<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La fracture initiale provoqu\u00e9e par l&#039;onde de traction se produit \u00e0 une distance de la face libre appel\u00e9e \u00e9paisseur de la premi\u00e8re dalle (Hino, 1956). Cette distance est critique car\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Elle d\u00e9termine la taille du fragment initial.<\/li>\n\n\n\n<li>Les autres dimensions des fragments sont g\u00e9n\u00e9ralement proportionnelles \u00e0 cette \u00e9paisseur.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Si l&#039;onde de compression r\u00e9siduelle conserve suffisamment d&#039;\u00e9nergie apr\u00e8s le d\u00e9tachement de la premi\u00e8re plaque, elle continue de se propager vers l&#039;ext\u00e9rieur (voir figure 2). Ce processus se r\u00e9p\u00e8te au niveau des nouvelles faces libres, engendrant des couches successives de fractures et r\u00e9duisant la roche en fragments plus petits. Le cycle se poursuit jusqu&#039;\u00e0 ce que l&#039;\u00e9nergie de l&#039;onde de compression devienne inf\u00e9rieure \u00e0 la r\u00e9sistance \u00e0 la traction de la roche.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L&#039;interaction entre ces ph\u00e9nom\u00e8nes \u2013 propagation de l&#039;onde de choc, dissipation d&#039;\u00e9nergie et r\u00e9sistance de la roche \u2013 r\u00e9git le processus de fragmentation. La compr\u00e9hension de ces principes permet aux ing\u00e9nieurs en dynamitage d&#039;optimiser la conception des tirs afin d&#039;obtenir les tailles de fragments souhait\u00e9es, de minimiser les probl\u00e8mes induits par le tir tels que les vibrations du sol, les projections de roches et le surcreusement, et de garantir l&#039;efficacit\u00e9 des op\u00e9rations en aval.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-factors-affecting-shock-wave-propagation-and-fragmentation\">Facteurs influen\u00e7ant la propagation et la fragmentation des ondes de choc<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Plusieurs facteurs influencent l&#039;efficacit\u00e9 d&#039;une explosion et la fragmentation qui en r\u00e9sulte\u00a0:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-explosive-properties\">1. Propri\u00e9t\u00e9s explosives<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L&#039;\u00e9nergie contenue, la vitesse de d\u00e9tonation et le confinement des explosifs affectent consid\u00e9rablement l&#039;intensit\u00e9 et la dur\u00e9e de l&#039;onde de choc.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-rock-properties\">2. Propri\u00e9t\u00e9s des roches<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les variations de r\u00e9sistance, de densit\u00e9 et de structure des roches (par exemple, les joints, les fractures et les plans de stratification) influencent la propagation des ondes de choc et de traction.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-blast-design-parameters\">3. Param\u00e8tres de conception du tir de mine\u00a0:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le diam\u00e8tre des trous, leur espacement, la charge et le placement des charges d\u00e9terminent la distribution de l&#039;\u00e9nergie et la fragmentation qui en r\u00e9sulte.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-4-free-face-orientation\">4. Orientation libre du visage :<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La pr\u00e9sence et l&#039;orientation des faces libres jouent un r\u00f4le essentiel pour permettre la r\u00e9flexion des ondes de traction et l&#039;amor\u00e7age de la fracture.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-5-energy-distribution\">5. Distribution de l&#039;\u00e9nergie :<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Une r\u00e9partition ad\u00e9quate de l&#039;\u00e9nergie explosive assure une fragmentation uniforme et minimise la production de gros blocs ou de fines particules.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-importance-of-fragmentation-in-mining-operations\">Importance de la fragmentation dans les op\u00e9rations mini\u00e8res<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Une fragmentation efficace est essentielle \u00e0 l&#039;efficience et \u00e0 la rentabilit\u00e9 des op\u00e9rations mini\u00e8res. Une roche bien fragment\u00e9e facilite\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>R\u00e9duction des co\u00fbts de chargement et de transport.<\/li>\n\n\n\n<li>Am\u00e9lioration du d\u00e9bit et de l&#039;efficacit\u00e9 du concasseur.<\/li>\n\n\n\n<li>Consommation d&#039;\u00e9nergie r\u00e9duite dans les \u00e9tapes de traitement en aval.<\/li>\n\n\n\n<li>S\u00e9curit\u00e9 accrue gr\u00e2ce \u00e0 la r\u00e9duction du risque de chute de gros rochers dangereux.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-importance-of-assessing-blast-performance-and-output\">Importance de l&#039;\u00e9valuation des performances et du rendement du dynamitage<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">WipFrag, un logiciel d&#039;analyse d&#039;images de pointe, r\u00e9volutionne l&#039;\u00e9valuation des performances et de la fragmentation des roches lors des tirs de mine. En analysant les images de roches fragment\u00e9es, WipFrag fournit des informations pr\u00e9cises et exploitables sur la qualit\u00e9 d&#039;un tir. Voici comment WipFrag am\u00e9liore les op\u00e9rations de dynamitage\u00a0:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-particle-size-distribution-psd-analysis\">1. Analyse de la distribution granulom\u00e9trique (PSD) :<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>WipFrag g\u00e9n\u00e8re des courbes PSD qui quantifient la gamme de tailles des fragments de roche, permettant aux op\u00e9rateurs d&#039;\u00e9valuer si la fragmentation r\u00e9pond aux sp\u00e9cifications.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-specification-envelope-assessment\">2. \u00c9valuation de l&#039;enveloppe des sp\u00e9cifications<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le logiciel permet aux utilisateurs de d\u00e9finir des plages de sp\u00e9cifications pour la fragmentation compatible avec le concasseur. Les \u00e9carts par rapport \u00e0 ces plages mettent en \u00e9vidence les points \u00e0 am\u00e9liorer dans la conception du tir de mine.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-boulder-identification-and-counting\">3. Identification et comptage des blocs erratiques\u00a0:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les algorithmes avanc\u00e9s de WipFrag d\u00e9tectent et comptent les blocs rocheux surdimensionn\u00e9s, fournissant des donn\u00e9es essentielles pour optimiser le placement et la charge des explosifs.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-4-image-merging-and-orthomosaic-integration\">4. Fusion d&#039;images et int\u00e9gration orthomosa\u00efque\u00a0:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La possibilit\u00e9 de fusionner plusieurs images garantit une analyse compl\u00e8te des grands terrils. L&#039;int\u00e9gration avec des orthomosa\u00efques de drones permet une \u00e9valuation \u00e0 grande \u00e9chelle des r\u00e9sultats de dynamitage.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-5-continuous-improvement\">5. Am\u00e9lioration continue :<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>En comparant les r\u00e9sultats de fragmentation entre les tirs de mine, WipFrag favorise l&#039;am\u00e9lioration continue des pratiques de dynamitage, r\u00e9duisant ainsi les co\u00fbts et am\u00e9liorant l&#039;efficacit\u00e9.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-6-real-time-analysis\">6. Analyse en temps r\u00e9el\u00a0:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L&#039;int\u00e9gration avec des syst\u00e8mes comme Solo 6 et Reflex 6 facilite la surveillance et l&#039;analyse en temps r\u00e9el, garantissant un retour d&#039;information imm\u00e9diat pour la prise de d\u00e9cision.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"819\" data-id=\"7358\" src=\"https:\/\/wipware.com\/wp-content\/uploads\/2025\/01\/Sam-1024x819.jpg\" alt=\"Carte thermique SIG des particules projet\u00e9es, du bleu au rouge\" class=\"wp-image-7358\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"547\" data-id=\"7359\" src=\"https:\/\/wipware.com\/wp-content\/uploads\/2025\/01\/Samp-1024x547.jpg\" alt=\"Carte thermique du tas de d\u00e9blais avec les couleurs bleu, vert, jaune, orange et rouge pour diff\u00e9rentes tailles de roches.\" class=\"wp-image-7359\"\/><\/figure>\n<\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"498\" src=\"https:\/\/wipware.com\/wp-content\/uploads\/2025\/01\/Blast-1024x498.jpg\" alt=\"Graphique d&#039;analyse de la fragmentation, granulom\u00e9trie, pourcentage de passage, histogramme\" class=\"wp-image-7356\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">Figure 3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Figure 3<\/strong> pr\u00e9sente les r\u00e9sultats obtenus avec le logiciel WipFrag, illustrant ses capacit\u00e9s en mati\u00e8re d&#039;analyse de fragmentation.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Figure 3a<\/strong> WipFrag pr\u00e9sente l&#039;\u00e9valuation de la fragmentation in situ int\u00e9gr\u00e9e au SIG. Cette fonctionnalit\u00e9, int\u00e9gr\u00e9e \u00e0 WipFrag, permet aux utilisateurs de visualiser spatialement les r\u00e9sultats des tirs de mine. Les zones rouges de la carte SIG mettent en \u00e9vidence les zones o\u00f9 les tirs ont donn\u00e9 de mauvais r\u00e9sultats, tandis que les couleurs plus claires, comme le bleu et le vert, repr\u00e9sentent les zones o\u00f9 la fragmentation est favorable.<\/li>\n\n\n\n<li><strong>Figure 3c<\/strong> Ce graphique pr\u00e9sente les courbes de distribution granulom\u00e9trique (PSD) comparant trois tirs de mine diff\u00e9rents. L&#039;enveloppe jaune d\u00e9limite les sp\u00e9cifications de production de la mine \u00e9tudi\u00e9e, servant ainsi de r\u00e9f\u00e9rence. WipFrag permet \u00e0 chaque mine de d\u00e9finir ses indicateurs cl\u00e9s de performance (KPI) et de les utiliser pour des \u00e9valuations continues. Ceci facilite l&#039;\u00e9valuation des am\u00e9liorations apport\u00e9es aux tirs successifs.<\/li>\n\n\n\n<li>De plus, les courbes PSD comportent des classifications de taille et signalent les tailles sp\u00e9cifiques qui s&#039;\u00e9cartent des exigences de production mini\u00e8re, assurant ainsi un suivi pr\u00e9cis et un alignement avec les objectifs op\u00e9rationnels.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Cette analyse exhaustive fournie par WipFrag permet d&#039;identifier les axes d&#039;am\u00e9lioration, d&#039;optimiser les strat\u00e9gies de dynamitage et d&#039;am\u00e9liorer l&#039;efficacit\u00e9 globale de l&#039;exploitation mini\u00e8re.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\">Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le dynamitage et la fragmentation sont des processus complexes r\u00e9sultant de l&#039;interaction entre l&#039;\u00e9nergie explosive, la m\u00e9canique des roches et les param\u00e8tres de conception du tir. La compr\u00e9hension de ces principes fondamentaux est essentielle pour optimiser les op\u00e9rations et atteindre les objectifs fix\u00e9s. Le logiciel WipFrag joue un r\u00f4le crucial dans cette optimisation en fournissant une analyse de fragmentation d\u00e9taill\u00e9e et pr\u00e9cise, permettant aux op\u00e9rateurs d&#039;\u00e9valuer les performances, d&#039;identifier les axes d&#039;am\u00e9lioration et de mettre en \u0153uvre des strat\u00e9gies bas\u00e9es sur les donn\u00e9es pour une am\u00e9lioration continue. Gr\u00e2ce \u00e0 des outils comme WipFrag, l&#039;industrie mini\u00e8re peut r\u00e9aliser des op\u00e9rations de dynamitage plus s\u00fbres, plus efficaces et plus rentables (t\u00e9l\u00e9charger le logiciel ici). <a href=\"https:\/\/wipware.com\/fr\/get-wipfrag\/\">https:\/\/wipware.com\/get-wipfrag\/<\/a>).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-references\">R\u00e9f\u00e9rences<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Hino, K. (1956). Fragmentation de la roche par dynamitage et th\u00e9orie des ondes de choc du dynamitage. Dans&nbsp;<em>Symposium ARMA US sur la m\u00e9canique des roches\/g\u00e9om\u00e9canique<\/em>&nbsp;(pp. ARMA-56). ARMA.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Himanshu, VK, Bhagat, NK, Vishwakarma, AK et Mishra, AK (2024).&nbsp;<em>Principes et pratiques du dynamitage de roches<\/em>. CRC Press.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Shadab Far, M., Wang, Y., et Dallo, YA (2019). Analyse de fiabilit\u00e9 des dommages induits lors du dynamitage de roches \u00e0 un seul trou.&nbsp;<em>G\u00e9orisque : \u00c9valuation et gestion des risques li\u00e9s aux syst\u00e8mes d&#039;ing\u00e9nierie et aux g\u00e9o-al\u00e9as<\/em>,&nbsp;<em>13<\/em>(1), 82-98.<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction Blasting is a critical operation in mining, quarrying, and construction that involves the controlled detonation of explosives to break rock into manageable fragments. The fundamental principle behind blasting lies in understanding the interaction between explosive energy and rock mechanics, particularly the propagation of shock waves and the subsequent formation of fractures. The Shock-Wave Theory [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":7358,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[91],"tags":[93,94,58],"class_list":["post-7354","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kb","tag-reflex","tag-solo","tag-wipfrag"],"acf":{"related_posts":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.7 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Understanding the Fundamentals of Blasting and Fragmentation \u2013 Part 1 &#8226; WipWare<\/title>\n<meta name=\"description\" content=\"Introduction Blasting is a critical operation in mining, quarrying, and construction that involves the controlled detonation of explosives to break rock\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/wipware.com\/fr\/kb\/understanding-the-fundamentals-of-blasting-and-fragmentation-part-1\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Understanding the Fundamentals of Blasting and Fragmentation \u2013 Part 1 &#8226; 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