{"id":129173,"date":"2022-12-23T10:00:00","date_gmt":"2022-12-23T10:00:00","guid":{"rendered":"https:\/\/all-car-news.com\/pourquoi-y-a-t-il-pres-de-10-000-sacs-de-sable-sur-la7\/"},"modified":"2022-12-23T10:00:00","modified_gmt":"2022-12-23T10:00:00","slug":"pourquoi-y-a-t-il-pres-de-10-000-sacs-de-sable-sur-la7","status":"publish","type":"post","link":"https:\/\/all-car-news.com\/fr\/pourquoi-y-a-t-il-pres-de-10-000-sacs-de-sable-sur-la7\/","title":{"rendered":"Pourquoi y a-t-il pr\u00e8s de 10 000 sacs de sable sur l’A7 ?"},"content":{"rendered":"

Une vue \u00e9trange<\/h2>\n

C’est un spectacle \u00e9trange, une autoroute pleine de sacs de sable. Le 14 d\u00e9cembre, 1 700 sacs de sable ont \u00e9t\u00e9 plac\u00e9s sur toute la largeur de l’A7 pr\u00e8s du village frison d’Uitwellingerga, pour le compte du Rijkswaterstaat. 550 autres ont \u00e9t\u00e9 ajout\u00e9s quelques jours plus tard. Mais cela semble encore loin d’\u00eatre suffisant.<\/p>\n

\"\"
Photo : Twitter Rijkswaterstaat Noord-Nederland<\/a><\/figcaption><\/figure>\n

Bac \u00e0 tunnel<\/h2>\n

Les sacs de sable devraient emp\u00eacher l’effondrement de la route pr\u00e8s du tunnel Princess Margriet. En effet, d\u00e9but d\u00e9cembre, il a \u00e9t\u00e9 constat\u00e9 qu’une partie de la tranch\u00e9e du tunnel s’\u00e9tait soulev\u00e9e et que l’asphalte s’effritait. Selon le Rijkswaterstaat<\/a>, cela est d\u00fb \u00e0 la pression \u00e9lev\u00e9e des eaux souterraines. <\/p>\n

A quoi servent les sacs de sable ?<\/h2>\n

Avec les sacs de sable, le Rijkswaterstaat tente de stabiliser les \u00ab\u00a0jambes du tunnel\u00a0\u00bb. Les pieds du tunnel forment ensemble la bo\u00eete du tunnel et sont fix\u00e9s par des dizaines d’ancrages au sol. La forte pression exerc\u00e9e par les eaux souterraines a provoqu\u00e9 la rupture des ancrages d’un pied de tunnel, soulevant ainsi un tron\u00e7on de route. <\/p>\n

\"\"
Photo : Twitter D\u00e9partement des travaux publics<\/a><\/figcaption><\/figure>\n

Plus de sacs de sable<\/h2>\n

Pour \u00e9viter que d’autres foss\u00e9s ne se d\u00e9placent \u00e9galement, un entrepreneur place actuellement 7 500 sacs de sable suppl\u00e9mentaires, r\u00e9partis sur tous les autres foss\u00e9s du tunnel. Les sacs de sable cr\u00e9ent une pression quatre fois sup\u00e9rieure \u00e0 la pression du dessous due aux eaux souterraines. Le tron\u00e7on d’autoroute pourrait rester ferm\u00e9 pendant des mois. Le trafic entre Sneek et Joure sera d\u00e9vi\u00e9 via l’A7, l’A32 et la N31.<\/a><\/p>\n

A lire aussi :<\/a><\/p>\n

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Trouv\u00e9 : le fer \u00e0 repasser le plus gros sur Marktplaats<\/a><\/p><\/blockquote>\n<\/div>\n<\/figure>\n","protected":false},"excerpt":{"rendered":"Un spectacle \u00e9trange C'est un spectacle \u00e9trange, une autoroute pleine de sacs de sable. Le 14 d\u00e9cembre, 1 700 sacs\u2026","protected":false},"author":0,"featured_media":129122,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[131],"tags":[],"class_list":["post-129173","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fond"],"acf":[],"yoast_head":"\nPourquoi y a-t-il pr\u00e8s de 10 000 sacs de sable sur l'A7 ? - All cars news<\/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:\/\/all-car-news.com\/fr\/pourquoi-y-a-t-il-pres-de-10-000-sacs-de-sable-sur-la7\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pourquoi y a-t-il pr\u00e8s de 10 000 sacs de sable sur l'A7 ? - All cars news\" \/>\n<meta property=\"og:description\" content=\"Un spectacle \u00e9trange C'est un spectacle \u00e9trange, une autoroute pleine de sacs de sable. 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