{"id":145679,"date":"2025-12-15T11:00:00","date_gmt":"2025-12-15T10:00:00","guid":{"rendered":"https:\/\/www.immo-invest.ch\/?p=145679"},"modified":"2025-12-15T08:49:06","modified_gmt":"2025-12-15T07:49:06","slug":"bahnmodernisierung-im-sensiblen-alpenraum","status":"publish","type":"post","link":"https:\/\/www.immo-invest.ch\/fr\/bahnmodernisierung-im-sensiblen-alpenraum\/","title":{"rendered":"Modernisation des chemins de fer dans l&rsquo;espace alpin sensible"},"content":{"rendered":"\n\n<p class=\"bodytext wp-block-paragraph\"><a href=\"http:\/\/www.strabag.ch\" target=\"_blank\" rel=\"noopener\">STRABAG AG<\/a> r\u00e9alise l&rsquo;\u00e9tape d&rsquo;assainissement encore en suspens sur la ligne du Zentralbahn entre Meiringen et Brienzwiler dans l&rsquo;Oberland bernois. La ligne \u00e0 voie \u00e9troite est \u00e0 voie unique et longe la Hasliaare, qui fait partie de la zone inondable de l&rsquo;Aar. Selon un <a href=\"http:\/\/www.strabag.ch\/aktuelles\/2025-11\/junzlen-los-2\" target=\"_blank\" rel=\"noopener\">communiqu\u00e9<\/a>, la nouvelle construction n\u00e9cessite \u00ab\u00a0une pr\u00e9cision maximale pour la logistique et la coordination\u00a0\u00bb afin de respecter plusieurs r\u00e9serves naturelles. Les travaux pr\u00e9paratoires ont d\u00e9but\u00e9 en mars 2025 et la phase intensive de dix semaines est en cours depuis octobre 2025.<\/p>\n\n\n\n\n\n<p class=\"bodytext wp-block-paragraph\">Des pluies intenses se sont produites \u00e0 plusieurs reprises dans la r\u00e9gion, inondant le remblai ferroviaire, y compris la superstructure, et causant des dommages \u00e0 l&rsquo;infrastructure ferroviaire et aux terres cultiv\u00e9es voisines. En 2022 et 2023, STRABAG y a d\u00e9j\u00e0 effectu\u00e9 des travaux de construction de voies (lot 1 et lot 3). Le projet de modernisation s&rsquo;ach\u00e8ve \u00e0 pr\u00e9sent par une transformation totale de l&rsquo;exigeant tron\u00e7on central, le lot 2, sur une longueur de 2600 m\u00e8tres et au c\u0153ur de la r\u00e9serve naturelle de Sytenwald. Le remblai doit \u00eatre sur\u00e9lev\u00e9. Afin de permettre l&rsquo;\u00e9coulement des eaux de surface et des eaux de ruissellement, un drainage planifi\u00e9 continu de la ligne sera r\u00e9alis\u00e9. La zone le long de l&rsquo;Hasliaare sera dot\u00e9e d&rsquo;un nouveau mur de protection contre les inondations. <\/p>\n\n\n\n\n\n<p class=\"bodytext wp-block-paragraph\">Selon le communiqu\u00e9, la particularit\u00e9 de la technique de construction r\u00e9side dans \u00ab\u00a0l&rsquo;\u00e9troitesse de l&rsquo;espace et l&rsquo;absence locale de pistes de construction redondantes dans certains tron\u00e7ons entre la Hasliaare, le trac\u00e9 de la voie ferr\u00e9e et plusieurs r\u00e9serves naturelles\u00a0\u00bb, ce qui exige des pr\u00e9cautions particuli\u00e8res pour l&rsquo;\u00e9cologie et la protection du paysage. D&rsquo;une part, STRABAG construit 30 nouvelles fondations pour les pyl\u00f4nes de la cat\u00e9naire du c\u00f4t\u00e9 aval, et d&rsquo;autre part, 37 passages doivent assurer la continuit\u00e9 \u00e9cologique du site. Cela signifie la protection des animaux sauvages et des petits animaux lors de la travers\u00e9e du tron\u00e7on.<\/p>\n\n\n\n\n\n<p class=\"bodytext wp-block-paragraph\">La construction du nouveau pont du H\u00fcsenbach en b\u00e9ton fibr\u00e9 \u00e0 ultra-haute r\u00e9sistance et longue dur\u00e9e de vie (BFUP) est un \u00e9l\u00e9ment particuli\u00e8rement exigeant. Lors de la construction du pont, une attention particuli\u00e8re a \u00e9t\u00e9 port\u00e9e \u00e0 la population de truites qui s&rsquo;y trouve en p\u00e9riode de frai.<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>STRABAG poursuit la r\u00e9novation de la ligne du Zentralbahn dans le Haslital. Le projet de modernisation vise \u00e0 assurer la protection contre les inondations dans cette r\u00e9gion. L&#8217;emplacement du chantier, qui traverse plusieurs r\u00e9serves naturelles, est consid\u00e9r\u00e9 comme un d\u00e9fi particulier en termes de logistique et de coordination.<\/p>\n","protected":false},"author":2,"featured_media":145680,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_surecart_dashboard_logo_width":"180px","_surecart_dashboard_show_logo":true,"_surecart_dashboard_navigation_orders":true,"_surecart_dashboard_navigation_invoices":true,"_surecart_dashboard_navigation_subscriptions":true,"_surecart_dashboard_navigation_downloads":true,"_surecart_dashboard_navigation_billing":true,"_surecart_dashboard_navigation_account":true,"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[9439,22699,743,22357,22703,739],"tags":[45847,54134,45221,872,3931,2002],"class_list":["post-145679","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-region-berne","category-durabilite","category-immonews-fr","category-industrie-du-batiment","category-mobilite","category-projects","tag-bahninfrastruktur-fr","tag-gleisbau-fr","tag-hochwasserschutz-fr","tag-immoinvest-fr","tag-immonews-fr","tag-news-fr"],"acf":{"bild_mit_ki_erstellt_worden":["Ja"],"lead":"STRABAG poursuit la r\u00e9novation de la ligne du Zentralbahn dans le Haslital. Le projet de modernisation vise \u00e0 assurer la protection contre les inondations dans cette r\u00e9gion. L'emplacement du chantier, qui traverse plusieurs r\u00e9serves naturelles, est consid\u00e9r\u00e9 comme un d\u00e9fi particulier en termes de logistique et de coordination.","autor":"ce\/heg","ort":"Schlieren ZH\/Meiringen BE","bildunterschrift":"","zusammenfassung":"","bild_im_grid":false,"gallerie":"","newsim":""},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.5 - aioseo.com -->\n\t<meta name=\"description\" content=\"STRABAG poursuit la r\u00e9novation de la ligne du Zentralbahn dans le Haslital. Le projet de modernisation vise \u00e0 assurer la protection contre les inondations dans cette r\u00e9gion. L&#039;emplacement du chantier, qui traverse plusieurs r\u00e9serves naturelles, est consid\u00e9r\u00e9 comme un d\u00e9fi particulier en termes de logistique et de coordination.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"immovestuser\"\/>\n\t<meta name=\"google-site-verification\" content=\"fHJKvgWpZCR2zVBHWfkQeFXC11qieUSff0HGNYfuyLA\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.immo-invest.ch\/fr\/bahnmodernisierung-im-sensiblen-alpenraum\/\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.5\" \/>\n\t\t<meta property=\"og:locale\" content=\"fr_FR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"immo!nvest - Die Plattform f\u00fcr Standorte und Immobilien - Die\u00a0Plattform f\u00fcr Standorte und Immobilien\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Modernisation des chemins de fer dans l\u2019espace alpin sensible - immo!nvest - Die Plattform f\u00fcr Standorte und Immobilien\" \/>\n\t\t<meta property=\"og:description\" content=\"STRABAG poursuit la r\u00e9novation de la ligne du Zentralbahn dans le Haslital. 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