{"id":1028,"date":"2018-09-10T14:50:26","date_gmt":"2018-09-10T18:50:26","guid":{"rendered":"https:\/\/www.guides-sports-loisirs.ca\/veloparcs\/?page_id=1028"},"modified":"2018-09-27T15:25:24","modified_gmt":"2018-09-27T19:25:24","slug":"les-pierriers-rock-gardens","status":"publish","type":"page","link":"https:\/\/www.guides-sports-loisirs.ca\/veloparcs\/les-zones-dhabilete\/les-pierriers-rock-gardens\/","title":{"rendered":"Les pierriers (rock gardens)"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row row_height_percent=\u00a0\u00bb0&Prime; override_padding=\u00a0\u00bbyes\u00a0\u00bb h_padding=\u00a0\u00bb2&Prime; top_padding=\u00a0\u00bb3&Prime; bottom_padding=\u00a0\u00bb2&Prime; overlay_alpha=\u00a0\u00bb50&Prime; gutter_size=\u00a0\u00bb3&Prime; shift_y=\u00a0\u00bb0&Prime;][vc_column column_width_use_pixel=\u00a0\u00bbyes\u00a0\u00bb overlay_alpha=\u00a0\u00bb50&Prime; gutter_size=\u00a0\u00bb3&Prime; medium_width=\u00a0\u00bb0&Prime; shift_x=\u00a0\u00bb0&Prime; shift_y=\u00a0\u00bb0&Prime; z_index=\u00a0\u00bb0&Prime; width=\u00a0\u00bb1\/1&Prime; column_width_pixel=\u00a0\u00bb800&Prime;][vc_column_text]Les pierriers (<em>rock gardens<\/em>) sont des sections de sentiers o\u00f9 des pierres ont \u00e9t\u00e9 dispos\u00e9es de mani\u00e8re \u00e0 simuler les emplacements naturels trouv\u00e9s dans les sentiers.<\/p>\n<p>Ils sont extr\u00eamement utiles pour d\u00e9velopper la vision en v\u00e9lo de montagne. En effet, une lecture du terrain est n\u00e9cessaire pour d\u00e9terminer la trajectoire la plus facile, ou les trajectoires plus difficiles recherch\u00e9es par les cyclistes exp\u00e9riment\u00e9s.<\/p>\n<p>Le franchissement d\u2019un pierrier demande une ex\u00e9cution parfaite, une bonne position corporelle et peut, lorsque les pierres sont assez hautes, forcer l\u2019utilisation de techniques avanc\u00e9es pour \u00e9viter que les p\u00e9dales n\u2019accrochent les pierres\u00a0:<\/p>\n<ul>\n<li>Le rochet (<em>ratchet<\/em>), qui consiste \u00e0 p\u00e9daler par \u00e0-coups \u00e0 la mani\u00e8re d\u2019une cl\u00e9 \u00e0 rochet pour \u00e9viter que les p\u00e9dales ne descendent au niveau des obstacles et n\u2019entrent en contact avec ceux-ci, causant un arr\u00eat brusque;<\/li>\n<li>Le saut de lapin (<em>bunnyhop<\/em>), qui consiste \u00e0 soulever la roue avant juste devant l\u2019obstacle, puis \u00e0 soulever la roue arri\u00e8re, pour passer au-dessus de l\u2019obstacle sans l\u2019effleurer, le tout avant que la roue avant ne touche le sol.<\/li>\n<\/ul>\n<p>Voici quelques \u00e9l\u00e9ments \u00e0 consid\u00e9rer dans la planification d\u2019un pierrier\u00a0:<\/p>\n<ul>\n<li>Porter attention \u00e0 la ligne, soit \u00e0 la succession de roches dispos\u00e9es afin qu\u2019elles n\u2019entravent pas outre mesure la progression (ralentir le cycliste jusqu\u2019\u00e0 l\u2019arr\u00eat);<\/li>\n<li>Penser \u00e0 ancrer les pierres convenablement pour qu\u2019elles ne bougent pas lors du passage des cyclistes. Les pierres rondes ont tendance \u00e0 se d\u00e9loger facilement. Privil\u00e9gier les pierres anguleuses, qui bloqueront naturellement dans le sol, en \u00e9vitant les ar\u00eates trop prononc\u00e9es pour la surface de roulement;<\/li>\n<li>Disposer des pierres de plus gros format, qui auront une fonction de barri\u00e8re de part et d\u2019autre du sentier, pour \u00e9viter les d\u00e9bordements hors du pierrier;<\/li>\n<li>D\u00e9gager la zone de chute aux abords du pierrier de tout obstacle.<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_single_image media=\u00a0\u00bb1031&Prime; media_width_percent=\u00a0\u00bb100&Prime;][vc_column_text]<strong>Exemple de pierrier<\/strong><br \/>\n<em>Centre national de cyclisme de Bromont \u2013 Francis T\u00e9trault<\/em>[\/vc_column_text][\/vc_column][\/vc_row][vc_row row_height_percent=\u00a0\u00bb0&Prime; override_padding=\u00a0\u00bbyes\u00a0\u00bb h_padding=\u00a0\u00bb2&Prime; top_padding=\u00a0\u00bb2&Prime; bottom_padding=\u00a0\u00bb2&Prime; overlay_alpha=\u00a0\u00bb50&Prime; gutter_size=\u00a0\u00bb3&Prime; 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bottom_padding=\u00a0\u00bb2&Prime; overlay_alpha=\u00a0\u00bb50&Prime; gutter_size=\u00a0\u00bb3&Prime; shift_y=\u00a0\u00bb0&Prime;][vc_column column_width_use_pixel=\u00a0\u00bbyes\u00a0\u00bb overlay_alpha=\u00a0\u00bb50&Prime; gutter_size=\u00a0\u00bb3&Prime; medium_width=\u00a0\u00bb0&Prime; shift_x=\u00a0\u00bb0&Prime; shift_y=\u00a0\u00bb0&Prime; z_index=\u00a0\u00bb0&Prime; width=\u00a0\u00bb1\/1&Prime; column_width_pixel=\u00a0\u00bb800&Prime;][vc_column_text]Les pierriers (rock [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"parent":936,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-1028","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Les pierriers (rock gardens) - V\u00e9loparcs<\/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.guides-sports-loisirs.ca\/veloparcs\/les-zones-dhabilete\/les-pierriers-rock-gardens\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les pierriers (rock gardens) - V\u00e9loparcs\" \/>\n<meta property=\"og:description\" content=\"[vc_row row_height_percent=\u00a0\u00bb0&Prime; 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