{"id":9833,"date":"2024-05-22T19:58:25","date_gmt":"2024-05-22T17:58:25","guid":{"rendered":"https:\/\/www.systra.com\/canada\/?post_type=expert_insights&#038;p=9833"},"modified":"2024-05-22T21:45:05","modified_gmt":"2024-05-22T19:45:05","slug":"materiel-roulant-pour-les-climats-extremes-des-deserts-a-larctique","status":"publish","type":"expert_insights","link":"https:\/\/www.systra.com\/canada\/fr\/expert_insights\/materiel-roulant-pour-les-climats-extremes-des-deserts-a-larctique\/","title":{"rendered":"Mat\u00e9riel roulant pour les climats extr\u00eames (des d\u00e9serts \u00e0 l&#8217;Arctique)"},"content":{"rendered":"\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center has-pale-mauve-background-color has-background is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-pale-mauve-background-color has-background\"><strong>SYSTRA Canada se positionne \u00e0 l\u2019avant-garde en mati\u00e8re de soutien \u00e0 l&#8217;acquisition de mat\u00e9riel roulant pour les trains de marchandises et de voyageurs op\u00e9rant dans des conditions climatiques extr\u00eames dans le monde entier. Cette expertise n\u00e9cessite une compr\u00e9hension technique des effets des diff\u00e9rents environnements sur le mat\u00e9riel roulant, et de ce que les fournisseurs \u00e0 travers le monde sont en mesure de fabriquer et dispos\u00e9s \u00e0 le faire.<\/strong><\/p>\n\n\n\n<p class=\"has-pale-mauve-background-color has-background\"><strong>Notre objectif est d&#8217;aider les op\u00e9rateurs ferroviaires \u00e0 acqu\u00e9rir du mat\u00e9riel roulant en mesure de fonctionner dans les environnements extr\u00eames requis, avec la plus grande fiabilit\u00e9 possible et au prix le plus comp\u00e9titif, tout en respectant les d\u00e9lais d&#8217;approvisionnement.<\/strong><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-cover alignfull has-griplusclair-color has-text-color has-link-color has-large-font-size wp-elements-f9405b8d6439797202ff5901f05f8a2c\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-light-eggplant-background-color has-background-dim-60 has-background-dim\"><\/span><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" class=\"wp-block-cover__image-background wp-image-9790\" alt=\"\" src=\"https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc02114-1024x768.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc02114-1024x768.jpg 1024w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc02114-300x225.jpg 300w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc02114-768x576.jpg 768w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc02114-1536x1152.jpg 1536w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc02114-2048x1536.jpg 2048w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc02114-474x356.jpg 474w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc02114-1700x1275.jpg 1700w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc02114-1352x1014.jpg 1352w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc02114-800x600.jpg 800w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc02114-180x135.jpg 180w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc02114-153x115.jpg 153w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc02114-230x173.jpg 230w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<h2 class=\"wp-block-heading has-text-align-center has-blanc-color has-text-color has-link-color has-x-large-font-size wp-elements-6ab0463da4eae28d6a1bc4fc010a2c96\" id=\"h-d-e-f-i-s\">D  \u00c9  F  I  S<\/h2>\n<\/div><\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-left\" id=\"h-climats-desertiques\">CLIMATS D\u00c9SERTIQUES<\/h2>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-left has-medium-font-size\" id=\"h-les-chemins-de-fer-du-desert-ont-tendance-a-presenter-les-facteurs-environnementaux-et-operationnels-suivants-dont-certains-sont-evidents-et-d-autres-moins-qui-posent-des-difficultes-pour-le-materiel-roulant\">Les chemins de fer du d\u00e9sert ont tendance \u00e0 pr\u00e9senter les facteurs environnementaux et op\u00e9rationnels suivants, dont certains sont \u00e9vidents et d\u2019autres moins, qui posent des difficult\u00e9s pour le mat\u00e9riel roulant&nbsp;:<\/h4>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile is-vertically-aligned-center is-style-default has-pale-mauve-background-color has-background\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1736-1024x768.jpg\" alt=\"\" class=\"wp-image-9788 size-full\" srcset=\"https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1736-1024x768.jpg 1024w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1736-300x225.jpg 300w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1736-768x576.jpg 768w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1736-1536x1152.jpg 1536w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1736-2048x1536.jpg 2048w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1736-474x356.jpg 474w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1736-1700x1275.jpg 1700w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1736-1352x1014.jpg 1352w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1736-800x600.jpg 800w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1736-180x135.jpg 180w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1736-153x115.jpg 153w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1736-230x173.jpg 230w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-dirty-purple-color has-text-color has-link-color wp-elements-e533ccf422c95b506fbb42aa9dd17055\" id=\"h-chaleur-elevee\">Chaleur \u00e9lev\u00e9e<\/h3>\n\n\n\n<p class=\"has-dirty-purple-color has-text-color has-link-color wp-elements-628d51bbf50402a49598f4cf754d18cf\">Une cons\u00e9quence \u00e9vidente de l&#8217;exploitation dans des environnements d\u00e9sertiques est la chaleur extr\u00eame qui peut entra\u00eener <strong>la surchauffe des syst\u00e8mes et le ralentissement des moteurs<\/strong>. La chaleur \u00e9lev\u00e9e peut \u00e9galement mettre des vies en danger si un train de voyageurs subit une panne majeure pendant la journ\u00e9e au milieu du d\u00e9sert, avec des temp\u00e9ratures int\u00e9rieures qui peuvent <strong>d\u00e9passer les 50\u00b0C<\/strong>.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-dirty-purple-color has-text-color has-link-color wp-elements-96ced7d3618e211991c8809ca7685ee9\" id=\"h-sable-et-poussiere\">Sable et poussi\u00e8re<\/h3>\n\n\n\n<p class=\"has-dirty-purple-color has-text-color has-link-color wp-elements-4a997900bb77786d6622b41d1ba1d3d8\">Le sable est sans aucun doute la premi\u00e8re chose qui nous vient en t\u00eate lorsque nous pensons au d\u00e9sert. Il est \u00e0 l&#8217;origine de nombreux probl\u00e8mes, notamment <strong>l&#8217;obstruction des prises d&#8217;air<\/strong> utilis\u00e9es pour le refroidissement et la combustion (pour les moteurs diesel). Le sable plus fin et la poussi\u00e8re peuvent <strong>s&#8217;infiltrer dans les conduites d&#8217;huile et les conduites hydrauliques<\/strong>. La poussi\u00e8re est \u00e9galement aspir\u00e9e par les syst\u00e8mes de chauffage, de ventilation et de climatisation (CVC) et finit par <strong>s&#8217;infiltrer dans tous les espaces int\u00e9rieurs<\/strong>, y compris les cabines et les zones r\u00e9serv\u00e9es aux passagers. Le sable peut \u00e9galement former des dunes qui bloquent l&#8217;emprise des trains et peuvent m\u00eame les faire d\u00e9railler. La poussi\u00e8re peut \u00e9galement cr\u00e9er de l&#8217;\u00e9lectricit\u00e9 statique, <strong>qui perturbe les syst\u00e8mes de signalisation embarqu\u00e9s<\/strong>.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide has-media-on-the-right is-stacked-on-mobile has-pale-mauve-background-color has-background\"><div class=\"wp-block-media-text__content\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-dirty-purple-color has-text-color has-link-color wp-elements-0f3b42912371e21fba674f1cef6bf8bb\" id=\"h-faible-taux-d-humidite\">Faible taux d&#8217;Humidit\u00e9<\/h3>\n\n\n\n<p class=\"has-dirty-purple-color has-text-color has-link-color wp-elements-10ce7b500112ba0f77609a067f385fa7\">Un faible taux d\u2019humidit\u00e9 et la pr\u00e9sence de poussi\u00e8re entra\u00eenent <strong>un frottement tr\u00e8s \u00e9lev\u00e9<\/strong> entre la roue et le rail, ce qui peut provoquer une usure importante de la bande de roulement et des flancs de la roue.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-dirty-purple-color has-text-color has-link-color wp-elements-1dc6570e87a8719297bcc8d00e0c4799\" id=\"h-trace-rectiligne\">Trac\u00e9 rectiligne<\/h3>\n\n\n\n<p class=\"has-dirty-purple-color has-text-color has-link-color wp-elements-295077954184cc817b0e782dee7d379a\">Malgr\u00e9 le peu d&#8217;obstacles dans le d\u00e9sert, les voies ferr\u00e9es qui le traversent ont \u00e9tonnamment tendance \u00e0 \u00eatre <strong>relativement rectilignes<\/strong>. Cela permet de r\u00e9duire les co\u00fbts de construction, mais n&#8217;oblige pas les roues \u00e0 se d\u00e9placer lat\u00e9ralement sur le champignon du rail, ce qui, ajout\u00e9 au frottement \u00e9lev\u00e9 d\u00e9crit ci-dessus, tend \u00e0 augmenter consid\u00e9rablement la pr\u00e9dominance des roues creuses.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-dirty-purple-color has-text-color has-link-color wp-elements-da9ba523c9bb4316a7d816735f6aae7d\" id=\"h-ballast-impregne-de-sable\">Ballast impr\u00e9gn\u00e9 de sable<\/h3>\n\n\n\n<p class=\"has-dirty-purple-color has-text-color has-link-color wp-elements-6d8188e2b0910705558025af8e41c6f6\">Diminue l&#8217;\u00e9lasticit\u00e9 du ballast, ce qui a pour effet de diriger davantage de vibrations vers le mat\u00e9riel roulant, <strong>provocant la rupture des ressorts, des mains courantes et d&#8217;autres objets.<\/strong><\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1704-1024x768.jpg\" alt=\"\" class=\"wp-image-9789 size-full\" srcset=\"https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1704-1024x768.jpg 1024w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1704-300x225.jpg 300w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1704-768x576.jpg 768w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1704-1536x1152.jpg 1536w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1704-2048x1536.jpg 2048w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1704-474x356.jpg 474w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1704-1700x1275.jpg 1700w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1704-1352x1014.jpg 1352w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1704-800x600.jpg 800w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1704-180x135.jpg 180w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1704-153x115.jpg 153w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1704-230x173.jpg 230w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-left\" id=\"h-climats-arctiques\">CLIMATS ARCTIQUES<\/h2>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-left has-medium-font-size\" id=\"h-le-materiel-roulant-des-chemins-de-fer-en-milieu-arctique-est-confronte-a-deux-problemes-majeurs\">Le mat\u00e9riel roulant des chemins de fer en milieu arctique est confront\u00e9 \u00e0 deux probl\u00e8mes majeurs :<\/h4>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile is-vertically-aligned-center is-style-default has-pale-blue-background-color has-background\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01767-1024x683.jpg\" alt=\"\" class=\"wp-image-9793 size-full\" srcset=\"https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01767-1024x683.jpg 1024w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01767-300x200.jpg 300w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01767-768x512.jpg 768w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01767-1536x1024.jpg 1536w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01767-2048x1365.jpg 2048w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01767-375x250.jpg 375w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01767-376x250.jpg 376w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01767-474x316.jpg 474w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01767-75x50.jpg 75w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01767-900x600.jpg 900w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01767-1700x1133.jpg 1700w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01767-1352x901.jpg 1352w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01767-800x533.jpg 800w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01767-180x120.jpg 180w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01767-153x102.jpg 153w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01767-230x153.jpg 230w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-temperatures-extremement-basses\">Temp\u00e9ratures extr\u00eamement basses<\/h3>\n\n\n\n<p>Les temp\u00e9ratures extr\u00eames basses et constantes ont les effets suivants sur le mat\u00e9riel roulant :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les joints en caoutchouc se contractent, ce qui provoque <strong>des fuites d&#8217;air dans tous les syst\u00e8mes<\/strong>, mais surtout dans le syst\u00e8me de freinage pneumatique.<\/li>\n\n\n\n<li>Les fluides g\u00e8lent, notamment dans les syst\u00e8mes de toilettes.<\/li>\n\n\n\n<li>Les polym\u00e8res et les plastiques se cassent, ce qui est particuli\u00e8rement pr\u00e9occupant pour <strong>les soupapes de frein \u00e0 air et les caissons<\/strong>.<\/li>\n\n\n\n<li>Les m\u00e9taux deviennent plus fragiles, ce qui entra\u00eene <strong>des bris de joints, l&#8217;\u00e9caillage des roues (m\u00e9plats) et des fractures<\/strong>.<\/li>\n\n\n\n<li>Diminution des performances des batteries, ce qui est particuli\u00e8rement pr\u00e9occupant pour <strong>le mat\u00e9riel roulant aliment\u00e9 par batterie et les freins \u00e0 air \u00e0 commande \u00e9lectronique<\/strong>.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide has-media-on-the-right is-stacked-on-mobile has-pale-blue-background-color has-background\"><div class=\"wp-block-media-text__content\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-neige-et-glace\">Neige et glace<\/h3>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>La situation ne diff\u00e8re pas particuli\u00e8rement de celles observ\u00e9es dans n&#8217;importe quel autre environnement hivernal. Les pr\u00e9cipitations r\u00e9elles ont tendance \u00e0 \u00eatre plus faibles dans l&#8217;Arctique, mais en raison des temp\u00e9ratures froides plus soutenues, <strong>la neige et la glace, une fois form\u00e9es, s&#8217;accumulent et ne fondent pas<\/strong>. La neige a tendance \u00e0 \u00eatre plus fine et \u00e0 s&#8217;envoler, formant des accumulations plus denses.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>La neige obstrue \u00e9galement les prises d&#8217;air et peut m\u00eame <strong>entra\u00eener une surchauffe<\/strong> si les syst\u00e8mes de refroidissement sont obstru\u00e9s. La neige et la glace peuvent \u00e9galement bloquer les composants de la suspension et des freins \u00e0 air. Enfin, l&#8217;accumulation de neige sur le droit de passage doit \u00e9galement \u00eatre g\u00e9r\u00e9e.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4879-1024x768.jpg\" alt=\"\" class=\"wp-image-9792 size-full\" srcset=\"https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4879-1024x768.jpg 1024w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4879-300x225.jpg 300w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4879-768x576.jpg 768w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4879-1536x1152.jpg 1536w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4879-2048x1536.jpg 2048w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4879-474x356.jpg 474w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4879-1700x1275.jpg 1700w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4879-1352x1014.jpg 1352w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4879-800x600.jpg 800w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4879-180x135.jpg 180w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4879-153x115.jpg 153w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4879-230x173.jpg 230w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-cover alignfull is-light has-griplusclair-color has-text-color has-link-color has-large-font-size wp-elements-0ea4d0d1cdd9a4b412c1e6cdb9b66440\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-light-eggplant-background-color has-background-dim-60 has-background-dim\"><\/span><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1920\" class=\"wp-block-cover__image-background wp-image-9794\" alt=\"\" src=\"https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4895-scaled.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4895-scaled.jpg 2560w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4895-300x225.jpg 300w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4895-1024x768.jpg 1024w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4895-768x576.jpg 768w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4895-1536x1152.jpg 1536w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4895-2048x1536.jpg 2048w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4895-474x356.jpg 474w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4895-1700x1275.jpg 1700w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4895-1352x1014.jpg 1352w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4895-800x600.jpg 800w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4895-180x135.jpg 180w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4895-153x115.jpg 153w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_4895-230x173.jpg 230w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<h2 class=\"wp-block-heading has-text-align-center has-blanc-color has-text-color has-link-color has-x-large-font-size wp-elements-45b04ae10cdbf23bb505a458add016a9\" id=\"h-s-o-l-u-t-i-o-n-s\">S  O  L  U  T  I  O  N  S<\/h2>\n<\/div><\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\" id=\"h-desert\">D\u00c9SERT<\/h3>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>En collaboration avec ses clients et ses fournisseurs, SYSTRA Canada a pilot\u00e9 l&#8217;acquisition de v\u00e9hicules ferroviaires destin\u00e9s \u00e0 fonctionner dans des climats d\u00e9sertiques gr\u00e2ce aux solutions suivantes&nbsp;:<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Des syst\u00e8mes de CVC puissants pour les voyageurs et des syst\u00e8mes de refroidissement pour les syst\u00e8mes de propulsion, ainsi que des blocs d&#8217;alimentation redondante (voire \u00ab&nbsp;\u00e0 double redondance&nbsp;\u00bb) pour garantir que ces syst\u00e8mes de refroidissement ne tombent pas en panne.<\/li>\n\n\n\n<li>Des filtres \u00e0 impulsions pour \u00e9viter l&#8217;ingestion de sable.<\/li>\n\n\n\n<li>Des joints extra larges sur les raccords \u00e0 brides pour \u00e9liminer l&#8217;infiltration de sable et de poussi\u00e8re dans les fluides. De m\u00eame, des joints sont install\u00e9s sur les portes et les fen\u00eatres pour r\u00e9duire la p\u00e9n\u00e9tration de sable et de poussi\u00e8re lorsque les portes et les fen\u00eatres sont ferm\u00e9es.<\/li>\n\n\n\n<li>Des chasse-sable \u00ab&nbsp;d\u00e9ployables&nbsp;\u00bb sp\u00e9cialement con\u00e7us, activ\u00e9s depuis la cabine, qui permettent  d&#8217;enlever le sable par couches.<\/li>\n\n\n\n<li>Des profils de roues et de rails con\u00e7us pour am\u00e9liorer la dur\u00e9e de vie des roues et des rails, ainsi que l&#8217;utilisation de modificateurs de frottement, qu&#8217;ils soient mont\u00e9s sur le mat\u00e9riel roulant ou en bordure de voie, peuvent aider \u00e0 compenser les probl\u00e8mes caus\u00e9s par un frottement \u00e9lev\u00e9 et des alignements rectilignes.<\/li>\n\n\n\n<li>Des syst\u00e8mes de suspension robustes, associ\u00e9s \u00e0 des dispositifs de s\u00e9curit\u00e9 boulonn\u00e9s (plut\u00f4t que soud\u00e9s), tels que les mains courantes, pour \u00e9viter les vibrations excessives et les fissures.<\/li>\n\n\n\n<li>Des solutions op\u00e9rationnelles peuvent \u00e9galement \u00eatre d\u00e9ploy\u00e9es, telles que le \u00ab&nbsp;mains courantes&nbsp;\u00bb et le nettoyage du ballast, afin de r\u00e9duire les effets n\u00e9gatifs de l&#8217;exploitation dans le d\u00e9sert.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\" id=\"h-arctique\">ARCTIQUE<\/h3>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Les solutions pour le mat\u00e9riel roulant fonctionnant dans des conditions arctiques peuvent comprendre:<\/p>\n\n\n\n<div style=\"height:82px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le remplacement du plus grand nombre possible de composants \u00e0 base de polym\u00e8res par des pi\u00e8ces enti\u00e8rement m\u00e9talliques.<\/li>\n\n\n\n<li>La r\u00e9duction des fuites d&#8217;air en diminuant le nombre de raccords d&#8217;air et en utilisant des joints extra larges.<\/li>\n\n\n\n<li>L\u2019\u00e9tude de l&#8217;utilisation potentielle d&#8217;aciers pour temps froid dans les trappes d\u2019aspiration, les roues et autres composants.<\/li>\n\n\n\n<li>L&#8217;utilisation des carburants combustibles arctiques et pr\u00e9chauffage.<\/li>\n\n\n\n<li>La r\u00e9duction de l&#8217;infiltration de neige en bloquant physiquement certaines zones d&#8217;entr\u00e9e d&#8217;air.<\/li>\n\n\n\n<li>L&#8217;application de couvertures chauffantes sur les batteries et le tra\u00e7age thermique de tous les tuyaux contenant des fluides. L&#8217;emplacement des tuyaux \u00e0 l&#8217;int\u00e9rieur des v\u00e9hicules peut \u00e9galement \u00eatre efficace pour pr\u00e9venir le gel.<\/li>\n\n\n\n<li>L&#8217;\u00e9limination des points bas dans les tuyaux et conduites d&#8217;air et de fluides afin d&#8217;\u00e9viter l&#8217;accumulation de fluides susceptibles de geler.<\/li>\n\n\n\n<li>L&#8217;application de s\u00e9parateurs d&#8217;eau robustes dans les compresseurs \u00e0 air.<\/li>\n\n\n\n<li>L&#8217;installation de vannes antigel dans les syst\u00e8mes de vidange d&#8217;eau, afin d&#8217;\u00e9viter les dommages caus\u00e9s par le gel lorsque le v\u00e9hicule est \u00e0 l&#8217;arr\u00eat.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1440\" src=\"https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01368-1-edited-scaled.jpg\" alt=\"\" class=\"wp-image-9797\" srcset=\"https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01368-1-edited-scaled.jpg 2560w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01368-1-edited-300x169.jpg 300w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01368-1-edited-1024x576.jpg 1024w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01368-1-edited-768x432.jpg 768w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01368-1-edited-1536x864.jpg 1536w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01368-1-edited-2048x1152.jpg 2048w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01368-1-edited-286x160.jpg 286w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01368-1-edited-474x266.jpg 474w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01368-1-edited-1700x956.jpg 1700w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01368-1-edited-1352x761.jpg 1352w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01368-1-edited-800x450.jpg 800w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01368-1-edited-180x101.jpg 180w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01368-1-edited-153x86.jpg 153w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/dsc01368-1-edited-230x129.jpg 230w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/figure>\n<\/div>\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-default\"\/>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-applications-pratiques\">applications PRATIQUES<\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>SYSTRA Canada \u00e9tait responsable de l&#8217;acquisition de <strong>tout le mat\u00e9riel roulant<\/strong> (y compris les locomotives de fret, les wagons et les trains de voyageurs ayant la capacit\u00e9 de rouler jusqu\u2019\u00e0 220 km\/h) et de l&#8217;\u00e9quipement d\u2019entretien des voies pour le projet du chemin de fer Nord-Sud en Arabie Saoudite. Nous avons \u00e9galement <strong>soutenu des projets d&#8217;acquisition de mat\u00e9riel roulant et des \u00e9tudes dans d&#8217;autres r\u00e9gions<\/strong> de l&#8217;Arabie saoudite, ainsi que dans les \u00c9mirats arabes unis, au Qatar, en Mauritanie et en \u00c9gypte, ce qui nous a permis d&#8217;acqu\u00e9rir une connaissance unique de l\u2019exploitation de mat\u00e9riel roulant dans les environnements d\u00e9sertiques.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>SYSTRA Canada a \u00e9galement contribu\u00e9 avec succ\u00e8s \u00e0 la <strong>d\u00e9finition de la sp\u00e9cification et\/ou \u00e0 la modification du mat\u00e9riel roulant pour l&#8217;\u00eele de Baffin dans l&#8217;Arctique canadien<\/strong>, ainsi que pour de nombreux chemins de fer dans le Nord-du-Qu\u00e9bec, de l&#8217;Ontario et du Labrador. Nous sommes \u00e9galement familiers avec <strong>les contraintes affectant les chemins de fer op\u00e9rant au-dessus du cercle arctique<\/strong>, soit en Su\u00e8de, en Norv\u00e8ge et en Russie.<\/p>\n\n\n\n<div style=\"height:80px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"575\" src=\"https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1428-1024x575.jpg\" alt=\"\" class=\"wp-image-9798\" srcset=\"https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1428-1024x575.jpg 1024w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1428-300x169.jpg 300w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1428-768x432.jpg 768w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1428-1536x863.jpg 1536w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1428-2048x1151.jpg 2048w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1428-286x160.jpg 286w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1428-474x266.jpg 474w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1428-1700x955.jpg 1700w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1428-1352x760.jpg 1352w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1428-800x450.jpg 800w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1428-180x101.jpg 180w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1428-153x86.jpg 153w, https:\/\/www.systra.com\/canada\/wp-content\/uploads\/sites\/15\/2024\/05\/img_1428-230x129.jpg 230w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"h-conclusion\">Conclusion<\/h2>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column has-blanc-color has-dirty-purple-background-color has-text-color has-background has-link-color wp-elements-fabfaf6a35faa5f9bd092c26587068c2 is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-blanc-color has-dirty-purple-background-color has-text-color has-background has-link-color wp-elements-d924ed918608052baba9237099b1c556\"><strong>Gr\u00e2ce \u00e0 notre expertise, les compagnies ferroviaires op\u00e9rant dans des environnements extr\u00eames peuvent se procurer des trains plus robustes \u00e0 moindre co\u00fbt, qui fonctionneront avec des temps d&#8217;arr\u00eat r\u00e9duits. Cela n&#8217;est pas seulement d\u00fb \u00e0 notre expertise technique, mais aussi \u00e0 notre connaissance de l&#8217;industrie et \u00e0 nos relations avec les fabricants. Nous sommes \u00e0 l\u2019affut des technologies de pointe permettant de faire face aux environnements extr\u00eames, tout en tenant compte des consid\u00e9rations budg\u00e9taires afin d&#8217;\u00e9viter de faire grimper le prix du produit.<\/strong><\/p>\n\n\n\n<p class=\"has-blanc-color has-dirty-purple-background-color has-text-color has-background has-link-color wp-elements-f0bc64c2d0b4bc9fd2f7d30a8bb155ec\"><strong>Cette approche est particuli\u00e8rement pertinente pour les technologies vertes \u00e9mergentes et leurs applications. SYSTRA Canada poursuit le d\u00e9veloppement de son expertise en mati\u00e8re de climats extr\u00eames, d\u2019ailleurs non limit\u00e9s aux d\u00e9serts et \u00e0 l&#8217;Arctique, mais \u00e9galement aux conditions climatiques changeantes dans toutes les parties du monde, et pour du mat\u00e9riel roulant allant des trains de fret lourd et aux trains \u00e0 grande vitesse de voyageurs.<\/strong><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-center\">Photos \u00a9 Tom Hewitt<\/p>\n","protected":false},"featured_media":9592,"template":"","type-insight":[2922],"class_list":["post-9833","expert_insights","type-expert_insights","status-publish","has-post-thumbnail","hentry","type-insight-materiel-roulant"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - 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