{"id":1082,"date":"2018-09-11T15:56:41","date_gmt":"2018-09-11T19:56:41","guid":{"rendered":"https:\/\/www.guides-sports-loisirs.ca\/veloparcs\/?page_id=1082"},"modified":"2024-12-13T14:57:10","modified_gmt":"2024-12-13T19:57:10","slug":"materiaux-de-fondation","status":"publish","type":"page","link":"https:\/\/www.guides-sports-loisirs.ca\/veloparcs\/les-materiaux\/materiaux-de-fondation\/","title":{"rendered":"Mat\u00e9riaux de fondation"},"content":{"rendered":"

[vc_row row_height_percent=\u00a0\u00bb0″ override_padding=\u00a0\u00bbyes\u00a0\u00bb h_padding=\u00a0\u00bb2″ top_padding=\u00a0\u00bb3″ bottom_padding=\u00a0\u00bb2″ overlay_alpha=\u00a0\u00bb50″ gutter_size=\u00a0\u00bb3″ shift_y=\u00a0\u00bb0″][vc_column column_width_use_pixel=\u00a0\u00bbyes\u00a0\u00bb gutter_size=\u00a0\u00bb3″ overlay_alpha=\u00a0\u00bb50″ shift_x=\u00a0\u00bb0″ shift_y=\u00a0\u00bb0″ z_index=\u00a0\u00bb0″ medium_width=\u00a0\u00bb0″ width=\u00a0\u00bb1\/1″ column_width_pixel=\u00a0\u00bb800″][vc_custom_heading]Choix des mat\u00e9riaux[\/vc_custom_heading][vc_column_text]Le r\u00f4le de la fondation est de pr\u00e9parer le terrain pour recevoir les \u00e9quipements. Ce r\u00f4le est utilitaire, et consiste \u00e0 assurer la stabilit\u00e9 des parcours et des \u00e9quipements (amas de terre des rouleaux et des sauts, surfaces d\u2019asphalte, structures de bois ou d\u2019acier, etc.). Il est donc important d\u2019utiliser les bons mat\u00e9riaux et d\u2019atteindre un degr\u00e9 de compaction suffisant.<\/p>\n

La fondation est constitu\u00e9e de mat\u00e9riaux compactables, stables et non g\u00e9lifs (qui ne se d\u00e9gradent pas sous l\u2019action du gel)\u00a0: pierre concass\u00e9e, sable ou argile en proportion suffisamment faible.<\/p>\n

Pour les am\u00e9nagements de bonne taille, comme les sauts, la forme de base peut \u00eatre r\u00e9alis\u00e9e avec les mat\u00e9riaux de fondation et recouverte d\u2019un mat\u00e9riau de finition.<\/p>\n

Si le parcours est recouvert d\u2019asphalte, il est recommand\u00e9 de privil\u00e9gier le mat\u00e9riau de fondation le plus compactable possible, pour \u00e9viter les d\u00e9formations qui endommageraient le rev\u00eatement.<\/p>\n

Une bonne pratique \u00e0 adopter est de mettre en place la fondation \u00e0 l\u2019automne et d\u2019attendre au printemps pour finaliser les formes et proc\u00e9der \u00e0 l\u2019installation de la surface de roulement.[\/vc_column_text][vc_custom_heading]Pr\u00e9paration[\/vc_custom_heading][vc_column_text]Une pente de 2\u00a0% assure le drainage naturel du terrain vers les foss\u00e9s ou les cours d\u2019eau tout en minimisant le risque d\u2019\u00e9rosion. Une telle pente est id\u00e9ale pour la construction de pumptracks<\/em><\/a> ou de zones d\u2019habilet\u00e9s, ou encore de parcours de sauts avec butte de d\u00e9part. Le terrain est nivel\u00e9 et compact\u00e9 par couches minces (\u00b1\u00a015\u00a0cm) pour obtenir une pente r\u00e9guli\u00e8re qui assure un drainage ad\u00e9quat.<\/p>\n

Quant aux parcours de slopestyle<\/em>, ils s\u2019am\u00e9nagent sur un terrain dont la pente varie de 2\u00a0% \u00e0 10\u00a0%, selon le niveau de difficult\u00e9.<\/p>\n

Si la pente est trop faible, il y a un risque d\u2019accumulation d\u2019eau aux points bas. Si elle trop forte, il y a un risque d\u2019\u00e9rosion due \u00e0 l\u2019\u00e9coulement de l\u2019eau de pluie ou lors de la fonte des neiges.<\/p>\n

Les puisards et les tuyaux de drainage s\u2019installent avant la mise en place de la fondation.[\/vc_column_text][vc_empty_space empty_h=\u00a0\u00bb2″][vc_column_text]D\u00e9cembre 2024[\/vc_column_text][\/vc_column][\/vc_row][vc_row row_height_percent=\u00a0\u00bb0″ override_padding=\u00a0\u00bbyes\u00a0\u00bb h_padding=\u00a0\u00bb2″ top_padding=\u00a0\u00bb2″ bottom_padding=\u00a0\u00bb2″ overlay_alpha=\u00a0\u00bb50″ gutter_size=\u00a0\u00bb3″ shift_y=\u00a0\u00bb0″][vc_column column_width_use_pixel=\u00a0\u00bbyes\u00a0\u00bb gutter_size=\u00a0\u00bb2″ overlay_alpha=\u00a0\u00bb50″ shift_x=\u00a0\u00bb0″ shift_y=\u00a0\u00bb0″ z_index=\u00a0\u00bb0″ medium_width=\u00a0\u00bb0″ width=\u00a0\u00bb1\/1″ column_width_pixel=\u00a0\u00bb800″][vc_button button_color=\u00a0\u00bbaccent\u00a0\u00bb size=\u00a0\u00bbbtn-lg\u00a0\u00bb radius=\u00a0\u00bbbtn-circle\u00a0\u00bb border_width=\u00a0\u00bb0″ icon_position=\u00a0\u00bbright\u00a0\u00bb link=\u00a0\u00bburl:https%3A%2F%2Fwww.guides-sports-loisirs.ca%2Fveloparcs%2Fwp-content%2Fuploads%2Fsites%2F6%2F2024%2F12%2FGIS_VP_F29_MateriauxFondation_2024.pdf||target:%20_blank|\u00a0\u00bb icon=\u00a0\u00bbfa fa-file-o\u00a0\u00bb]Version PDF[\/vc_button][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

[vc_row row_height_percent=\u00a0\u00bb0″ override_padding=\u00a0\u00bbyes\u00a0\u00bb h_padding=\u00a0\u00bb2″ top_padding=\u00a0\u00bb3″ bottom_padding=\u00a0\u00bb2″ overlay_alpha=\u00a0\u00bb50″ gutter_size=\u00a0\u00bb3″ shift_y=\u00a0\u00bb0″][vc_column column_width_use_pixel=\u00a0\u00bbyes\u00a0\u00bb gutter_size=\u00a0\u00bb3″ overlay_alpha=\u00a0\u00bb50″ shift_x=\u00a0\u00bb0″ shift_y=\u00a0\u00bb0″ z_index=\u00a0\u00bb0″ medium_width=\u00a0\u00bb0″ width=\u00a0\u00bb1\/1″ column_width_pixel=\u00a0\u00bb800″][vc_custom_heading]Choix des mat\u00e9riaux[\/vc_custom_heading][vc_column_text]Le […]<\/p>\n","protected":false},"author":11,"featured_media":0,"parent":1076,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-1082","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nMat\u00e9riaux de fondation - 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-materiaux\/materiaux-de-fondation\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mat\u00e9riaux de fondation - 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