{"id":18502,"date":"2021-09-03T13:18:08","date_gmt":"2021-09-03T20:18:08","guid":{"rendered":"https:\/\/www.bgcengineering.ca\/portfolio\/evaluation-par-teledetection-de-lecoulement-terrestre-de-drynoch\/"},"modified":"2024-08-27T17:05:04","modified_gmt":"2024-08-28T00:05:04","slug":"evaluation-par-teledetection-de-lecoulement-terrestre-de-drynoch","status":"publish","type":"portfolio","link":"https:\/\/www.bgcengineering.ca\/fr\/portfolio\/evaluation-par-teledetection-de-lecoulement-terrestre-de-drynoch\/","title":{"rendered":"\u00c9valuation par t\u00e9l\u00e9d\u00e9tection de l&#8217;\u00e9coulement terrestre de Drynoch"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"18502\" class=\"elementor elementor-18502 elementor-5810\" data-elementor-settings=\"{&quot;element_pack_global_tooltip_width&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;element_pack_global_tooltip_width_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;element_pack_global_tooltip_width_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;element_pack_global_tooltip_padding&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_padding_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_padding_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_border_radius&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_border_radius_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_border_radius_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true}}\" data-elementor-post-type=\"portfolio\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4ccf4467 elementor-section-full_width elementor-section-height-min-height elementor-section-content-middle elementor-section-height-default elementor-section-items-middle\" data-id=\"4ccf4467\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3865c50c\" data-id=\"3865c50c\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-99b132a elementor-hidden-tablet elementor-hidden-mobile elementor-widget elementor-widget-vc_custom_heading\" data-id=\"99b132a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"vc_custom_heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\" vc_custom_heading  consulting_heading_font  text_align_center title_no_stripe\" ><h2 style=\"font-size: 25px;text-align: center\" class=\"consulting-custom-title\">PROFIL DU PROJET\n<\/h2><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-90d2ba5 e-flex e-con-boxed e-con e-parent\" data-id=\"90d2ba5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-1de308b e-con-full e-flex e-con e-child\" data-id=\"1de308b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-01755d3 elementor-widget elementor-widget-text-editor\" data-id=\"01755d3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>CLIENT : Minist\u00e8re des transports et de l&#8217;infrastructure de la Colombie-Britannique<\/p>\n<p>LIEU : Vall\u00e9e de la rivi\u00e8re Thompson, Colombie-Britannique, Canada<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eb9b719 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"eb9b719\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f9ea222 elementor-widget elementor-widget-text-editor\" data-id=\"f9ea222\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>La coul\u00e9e de terre de Drynoch est situ\u00e9e sur la rive est de la rivi\u00e8re Thompson, \u00e0 8 km au sud de Spences Bridge, \u00e0 l&#8217;int\u00e9rieur de la Colombie-Britannique, au Canada. L&#8217;autoroute 1 de la Colombie-Britannique (autoroute transcanadienne) et la ligne principale de CP Rail (CP) traversent la coul\u00e9e de terre, \u00e0 environ 50 m en amont de la rivi\u00e8re Thompson. La coul\u00e9e de terre a toujours \u00e9t\u00e9 active et les deux parties ont entrepris des mesures d&#8217;att\u00e9nuation depuis leur installation (entre 1860 et 1880). Les mouvements calcul\u00e9s \u00e0 partir de photographies a\u00e9riennes ant\u00e9rieures \u00e0 1972 indiquent un taux de d\u00e9placement annuel de 2,5 \u00e0 3,0 m\u00e8tres par an.<\/p>\n<p>L&#8217;InSAR par satellite et le balayage lidar a\u00e9roport\u00e9 (ALS) ont \u00e9t\u00e9 utilis\u00e9s pour caract\u00e9riser les mouvements de l&#8217;\u00e9coulement terrestre. La d\u00e9tection des changements effectu\u00e9e \u00e0 l&#8217;aide de trois \u00e9poques de donn\u00e9es lidar a\u00e9roport\u00e9es a permis de quantifier les d\u00e9placements dans les zones les plus actives de l&#8217;\u00e9coulement terrestre, avec des d\u00e9placements annuels totaux atteignant 4,6 m, tandis que les donn\u00e9es InSAR ont \u00e9t\u00e9 utilis\u00e9es pour quantifier des zones plus lentes en marge de l&#8217;\u00e9coulement terrestre qui n&#8217;\u00e9taient pas d\u00e9tectables avec la d\u00e9tection des changements lidar, de l&#8217;ordre de 1 \u00e0 3 cm par an. La combinaison des deux technologies a permis de mieux d\u00e9finir les \u00e9tendues spatiales et les taux de d\u00e9formation qui peuvent \u00eatre int\u00e9gr\u00e9s dans la planification future des activit\u00e9s de gestion des risques en relation avec l&#8217;autoroute et le chemin de fer qui sont situ\u00e9s pr\u00e8s du pied de la coul\u00e9e de terre.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a6594b6 e-con-full e-flex e-con e-child\" data-id=\"a6594b6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-af80a06 elementor-widget elementor-widget-image\" data-id=\"af80a06\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" 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src=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/drynoch1.jpg\" class=\"attachment-large size-large wp-image-18505\" alt=\"\" srcset=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/drynoch1.jpg 916w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/drynoch1-300x178.jpg 300w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/drynoch1-768x455.jpg 768w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/drynoch1-500x296.jpg 500w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/drynoch1-800x474.jpg 800w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/drynoch1-48x28.jpg 48w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/drynoch1-128x76.jpg 128w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/drynoch1-256x152.jpg 256w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/drynoch1-512x304.jpg 512w\" sizes=\"(max-width: 916px) 100vw, 916px\"><\/noscript>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-55d1d00 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"55d1d00\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e882a2f\" data-id=\"e882a2f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b466773 elementor-align-center elementor-widget elementor-widget-global elementor-global-9118 elementor-widget-button\" data-id=\"b466773\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper icon_align_row  \">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/www.bgcengineering.ca\/projets\/?lang=fr\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-arrow-left\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Retour aux projets<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>L&#8217;application des sciences g\u00e9ologiques \u00e0 la pratique de l&#8217;ing\u00e9nierie est fondamentale pour BGC. Nous sommes experts dans la caract\u00e9risation et l&#8217;int\u00e9gration des facteurs g\u00e9ologiques qui affectent l&#8217;emplacement, la conception, la construction, l&#8217;exploitation et la maintenance des ouvrages d&#8217;art.<\/p>\n","protected":false},"author":9,"featured_media":18505,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_eb_attr":"","ghostkit_customizer_options":"","ghostkit_custom_css":"","ghostkit_custom_js_head":"","ghostkit_custom_js_foot":"","ghostkit_typography":"","_vp_format_video_url":"","_vp_image_focal_point":[],"_vp_custom_popup_image":0,"_vp_format_audio_url":"","_vp_album_images":[],"_vp_custom_thumbnail":0,"_vp_custom_thumbnail_focal_point":[],"_vp_custom_thumbnail_cover":0,"_vp_hover_thumbnail":0,"_vp_hover_thumbnail_focal_point":[],"footnotes":"","_members_access_role":[],"_members_access_error":""},"portfolio_category":[563,565],"portfolio_tag":[],"class_list":["post-18502","portfolio","type-portfolio","status-publish","format-standard","has-post-thumbnail","hentry","portfolio_category-projets","portfolio_category-teledetection"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.3 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u00c9valuation par t\u00e9l\u00e9d\u00e9tection de l&#039;\u00e9coulement terrestre de Drynoch - BGC Engineering<\/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:\/\/www.bgcengineering.ca\/portfolio\/drynoch-earth-flow-remote-sensing-assessment\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00c9valuation par t\u00e9l\u00e9d\u00e9tection de l&#039;\u00e9coulement terrestre de Drynoch\" \/>\n<meta property=\"og:description\" content=\"L&#039;application des sciences g\u00e9ologiques \u00e0 la pratique de l&#039;ing\u00e9nierie est fondamentale pour BGC. 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