{"id":154,"date":"2017-05-05T14:15:43","date_gmt":"2017-05-05T18:15:43","guid":{"rendered":"https:\/\/www.guides-sports-loisirs.ca\/terrains-de-balle\/?page_id=154"},"modified":"2017-06-12T08:46:23","modified_gmt":"2017-06-12T12:46:23","slug":"notions-base","status":"publish","type":"page","link":"https:\/\/www.guides-sports-loisirs.ca\/terrains-de-balle\/conception-et-amenagement\/notions-base\/","title":{"rendered":"Notions de base"},"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\u00bb2&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\u00bb2&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_accordion el_class=\u00a0\u00bbaccordeon\u00a0\u00bb][vc_accordion_tab title=\u00a0\u00bbMarche \u00e0 suivre g\u00e9n\u00e9rale\u00a0\u00bb][vc_column_text]<\/p>\n<ol>\n<li>Conna\u00eetre et analyser les besoins des usagers \u00e9ventuels : groupes, clubs, ligues, \u00e9tablissements scolaires, cat\u00e9gories d\u2019\u00e2ge et niveaux de comp\u00e9tition, etc.<\/li>\n<li>Choisir un site en tenant compte de :\n<ul style=\"list-style-type: disc;\">\n<li>La nature du sol (composition, perm\u00e9abilit\u00e9, drainage naturel, etc.)<\/li>\n<li>Les pentes<\/li>\n<li>L\u2019orientation du terrain<\/li>\n<li>L\u2019accessibilit\u00e9 (et les possibilit\u00e9s de stationnement)<\/li>\n<li>Le voisinage<\/li>\n<li>Les exigences techniques selon les cat\u00e9gories d\u2019usagers<\/li>\n<li>La possibilit\u00e9 d\u2019agrandir ou de r\u00e9am\u00e9nager le terrain plus tard pour suivre l\u2019\u00e9volution des joueurs<\/li>\n<\/ul>\n<\/li>\n<li>Pr\u00e9voir les \u00e9quipements requis selon le type de terrain privil\u00e9gi\u00e9 (voir tableau en page 2)<\/li>\n<li>Faire un calendrier des travaux<\/li>\n<li>Pr\u00e9parer des devis et des appels d\u2019offres au besoin<\/li>\n<\/ol>\n<p>[\/vc_column_text][\/vc_accordion_tab][vc_accordion_tab title=\u00a0\u00bbAnalyse de sol et relev\u00e9 topographique\u00a0\u00bb][vc_column_text]Une fois qu\u2019on a d\u00e9cid\u00e9 d\u2019am\u00e9nager un terrain destin\u00e9 \u00e0 la pratique d\u2019un sport de balle, on doit prendre en consid\u00e9ration plusieurs \u00e9l\u00e9ments.<\/p>\n<p>D\u2019abord, une analyse compl\u00e8te du sol et du site permettra de savoir si l\u2019emplacement retenu est ad\u00e9quat. On portera une attention particuli\u00e8re aux aspects suivants :<\/p>\n<p><strong>\u2022 Perm\u00e9abilit\u00e9 du sol<\/strong><br \/>\nC\u2019est un facteur tr\u00e8s important, car un sol imperm\u00e9able ne permet pas d\u2019y am\u00e9nager un terrain sportif. Si le terrain choisi n\u2019est pas ad\u00e9quat, le sol devra \u00eatre amend\u00e9 ou drain\u00e9.<\/p>\n<p><strong>\u2022 Contaminants<\/strong><br \/>\nLa gestion des sols contamin\u00e9s co\u00fbte extr\u00eamement cher aux municipalit\u00e9s. C\u2019est donc un facteur tr\u00e8s important \u00e0 consid\u00e9rer.<\/p>\n<p>Un <strong>relev\u00e9 topographique<\/strong> du terrain permettra \u00e9galement d\u2019avoir une bonne id\u00e9e des pentes. Un terrain de baseball ou de softball doit \u00eatre relativement plat. Si les pentes naturelles du terrain sont trop prononc\u00e9es, des travaux d\u2019excavation ou de remblais devront \u00eatre effectu\u00e9s, parfois m\u00eame les deux. Mais dans tous les cas, des frais suppl\u00e9mentaires s\u2019ajouteront au projet.[\/vc_column_text][\/vc_accordion_tab][vc_accordion_tab title=\u00a0\u00bbPentes du terrain\u00a0\u00bb][vc_column_text]En premier lieu, il est essentiel que le marbre et les trois buts d\u2019avant-champ soient au m\u00eame niveau.<\/p>\n<p>Dans les ligues professionnelles, l\u2019avant-champ doit \u00eatre plat. Mais comme les budgets allou\u00e9s et les contraintes techniques de drainage ne permettent pas toujours de se conformer \u00e0 cette norme, on peut s\u2019autoriser une pente de surface variant de 0,5 % \u00e0 1,5 %. Sur les terrains de softball, o\u00f9 il n\u2019y a pas de monticule, il est courant d\u2019am\u00e9nager une pente dans le champ int\u00e9rieur, tout en gardant le corridor marbre\/premier but\/deuxi\u00e8me but\/troisi\u00e8me but au m\u00eame niveau \u00e0 l\u2019avant-champ.<\/p>\n<p>Pour que le ruissellement de l\u2019eau soit efficace, le terrain devrait pr\u00e9senter une pente de surface sup\u00e9rieure \u00e0 1,5 %. Cependant, une telle pente dans le champ int\u00e9rieur a pour effet de lessiver les particules qui se trouvent \u00e0 la surface du sol stabilis\u00e9 et de les faire migrer vers la jonction gazonn\u00e9e du terrain.<\/p>\n<p>Dans le champ ext\u00e9rieur, la recommandation pour un terrain professionnel est une pente de moins de 1 %. Comme cette faible d\u00e9nivellation r\u00e9duit l\u2019\u00e9coulement de l\u2019eau par la surface, l\u2019installation d\u2019un syst\u00e8me de drainage renforc\u00e9 est n\u00e9cessaire.<\/p>\n<p>Dans le cas des terrains r\u00e9cr\u00e9atifs sans syst\u00e8me de drainage et d\u2019irrigation, une pente de 1,5 % est souhaitable. Cette pente doit toutefois se prolonger en dehors de la zone d\u2019implantation du terrain pour \u00e9viter les accumulations d\u2019eau sur son pourtour, souvent plus haut que le terrain lui-m\u00eame. Si des contraintes physiques ne permettent pas cette prolongation de pente, il est essentiel d\u2019installer des dispositifs de drainage suppl\u00e9mentaires comme des puisards, des bordures de type caniveau ou tout autre moyen de drainage de surface.[\/vc_column_text][vc_single_image media=\u00a0\u00bb167&Prime; media_width_percent=\u00a0\u00bb100&Prime;][vc_empty_space empty_h=\u00a0\u00bb2&Prime;][vc_column_text border_color=\u00a0\u00bbcolor-193714&Prime; border_style=\u00a0\u00bbsolid\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1494600853039{border-top-width: 10px !important;border-right-width: 10px !important;border-bottom-width: 10px !important;border-left-width: 10px !important;padding-top: 5px !important;padding-right: 5px !important;padding-bottom: 5px !important;padding-left: 5px !important;}\u00a0\u00bb]<\/p>\n<h3 style=\"text-align: center;\"><span style=\"color: #01b418;\">On peut estimer le co\u00fbt d\u2019entretien d\u2019un terrain moyen<br \/>\n\u00e0 6 $\/7 $ le m\u00e8tre carr\u00e9 annuellement.<\/span><\/h3>\n<p>[\/vc_column_text][\/vc_accordion_tab][vc_accordion_tab title=\u00a0\u00bbOrientation pr\u00e9f\u00e9rentielle\u00a0\u00bb][vc_column_text]L\u2019orientation pr\u00e9f\u00e9rentielle d\u2019un terrain de balle est dans l\u2019axe nord-sud, le marbre \u00e9tant situ\u00e9 au sud. Si ce dernier ne peut \u00eatre situ\u00e9 au sud, il est conseill\u00e9, comme deuxi\u00e8me choix, de le fixer au nord.<\/p>\n<p>Si, pour des raisons particuli\u00e8res, il est pr\u00e9f\u00e9rable d\u2019orienter le jeu dans l\u2019axe est-ouest, on placera le marbre \u00e0 l\u2019ouest.<\/p>\n<p>L\u2019orientation pr\u00e9f\u00e9rentielle tient compte des effets des rayons du soleil. Si les vents dominants peuvent avoir un effet sur le jeu, il faudra composer avec les deux \u00e9l\u00e9ments pour trouver l\u2019orientation la plus propice au d\u00e9roulement du jeu dans des conditions satisfaisantes.<\/p>\n<p>Toutefois, selon le niveau de pratique des usagers, il pourrait \u00eatre mal venu de sacrifier l\u2019agencement global d\u2019un parc au profit de l\u2019orientation id\u00e9ale du terrain de balle.[\/vc_column_text][\/vc_accordion_tab][\/vc_accordion][\/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; shift_y=\u00a0\u00bb0&Prime;][vc_column column_width_use_pixel=\u00a0\u00bbyes\u00a0\u00bb overlay_alpha=\u00a0\u00bb50&Prime; gutter_size=\u00a0\u00bb2&Prime; medium_width=\u00a0\u00bb0&Prime; shift_x=\u00a0\u00bb0&Prime; shift_y=\u00a0\u00bb0&Prime; 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