{"id":3512,"date":"2023-05-07T23:45:16","date_gmt":"2023-05-07T22:45:16","guid":{"rendered":"https:\/\/universnews224.com\/?p=3512"},"modified":"2023-05-07T23:45:16","modified_gmt":"2023-05-07T22:45:16","slug":"qualite-de-route-a-beton-arme-et-route-bitumee-voici-lavis-dun-avis-dun-specialiste","status":"publish","type":"post","link":"https:\/\/universnews224.com\/index.php\/qualite-de-route-a-beton-arme-et-route-bitumee-voici-lavis-dun-avis-dun-specialiste\/","title":{"rendered":"Qualit\u00e9 de route \u00e0 b\u00e9ton arm\u00e9 et route bitum\u00e9e: voici l\u2019avis d\u2019un avis d\u2019un sp\u00e9cialiste."},"content":{"rendered":"<p>Depuis l\u2019av\u00e8nement du CNRD au pouvoir le 05 septembre 2021, de gigantesques travaux routiers sont ouverts \u00e7a et l\u00e0 \u00e0 travers tout le pays. Parmi ces infrastructures routi\u00e8res d\u00e9j\u00e0 r\u00e9alis\u00e9es ou en cours de r\u00e9alisation, nous constatons que beaucoup de ces voiries ont \u00e9t\u00e9 faites \u00e0 b\u00e9ton arm\u00e9, en lieu et place du bitume.<\/p>\n<p>Interrog\u00e9 par nos confr\u00e8res de Fim Fim dans l\u2019\u00e9mission \u00abMirador\u00bb, hier vendredi, sur la qualit\u00e9 de ces deux ouvrages( route \u00e0 b\u00e9ton arm\u00e9 et route bitum\u00e9e),Balla Moussa Konat\u00e9 , ing\u00e9nieur des ponts et chauss\u00e9es a affirm\u00e9 que sur le plan de la durabilit\u00e9, est la meilleure option, mais d\u00e9nonce le prix \u00e9lev\u00e9 des routes \u00e0 b\u00e9ton arm\u00e9.<\/p>\n<p>\u00abSi c\u2019est la durabilit\u00e9, la route \u00e0 b\u00e9ton arm\u00e9 est la meilleure option. Mais attention! Qu\u2019est-ce qui se passe? Est-ce que que vous avez vu dans les projets s\u00e9rieux financ\u00e9s par les bailleurs de fonds, une route \u00e0 b\u00e9ton arm\u00e9? Les routes \u00e0 b\u00e9ton sont largement plus cher que les routes bitum\u00e9es. Si vous prenez un exemple, une route \u00e0 b\u00e9ton arm\u00e9 co\u00fbte 4 millards 900 millions de francs guin\u00e9ens contre 2 millards 800 millions de francs pour une route bitum\u00e9e.\u00c7a veut dire,quand vous faites un kilom\u00e8tre de route de b\u00e9ton arm\u00e9, comparativement \u00e0 une route \u00e0 b\u00e9ton bitum\u00e9, nous perdons 2 millards 100 millions sur chaque kilom\u00e8tre. Quand si prenez 10 kilom\u00e8tre, nous perdons 21 millards de francs guin\u00e9ens\u00bb, a t-il indiqu\u00e9.<\/p>\n<p>Pour cet ing\u00e9nieur des ponts et chauss\u00e9es, malgr\u00e9 la r\u00e9sistance des routes \u00e0 b\u00e9ton arm\u00e9, des routes bitum\u00e9e restent la meilleure option si elles sont bien faites.<\/p>\n<p>\u00abPrenons la C\u00f4te d\u2019Ivoire parce que \u00e7a pleut l\u00e0-bas constamment.Est-ce que vous avez l\u00e0-bas une route \u00e0 b\u00e9ton arm\u00e9 dans les rues d\u2019Abidjan? L\u2019historique du b\u00e9ton arm\u00e9 en Guin\u00e9e remonte dans les ann\u00e9es de 1967 entre la paillote et le carrefour Donka. Jusqu\u2019\u00e0 pr\u00e9sent les dalles sont en b\u00e9ton arm\u00e9. \u00c0 l\u2019\u00e9poque, c\u2019\u00e9taient des zones relativement mar\u00e9cageuses. Quand il y a des remont\u00e9es capillaires, il y a r\u00e9sistance hydrique,on peut \u00eatre tent\u00e9 de mettre b\u00e9ton arm\u00e9. Vous avez le b\u00e9ton arm\u00e9 travaille sur la dalle, or nous, nous travaillons sur la pression. C\u2019est-\u00e0-dire quand le poids s\u2019applique sur une surface, c\u2019est qu\u2019on appelle la pression. Donc, la pression est autant plus faible lorsque la surface est grande.Le b\u00e9ton arm\u00e9 \u00e0 l\u2019avantage \u00e0 travers le ferraillage de pouvoir \u00e9largir cette surface d\u2019emp\u00e2tement qui peut repartir les changes, si ce sont des remont\u00e9es capillaires, mais si les eaux tombent du ciel, honn\u00eatement, le b\u00e9ton arm\u00e9 n\u2019est pas fait forc\u00e9ment la meilleure qualit\u00e9 pour \u00e7a. Le b\u00e9ton bitum\u00e9, il y a au moins 5 ou 6 qualit\u00e9s de chauss\u00e9e. Il y a le b\u00e9ton bitum\u00e9 simple tel que ce qu\u2019on a mis sur Mamou-Dabola, le b\u00e9ton bitum\u00e9 \u00e9pais, le b\u00e9ton bitum\u00e9 structure mixte\u2026. De l\u2019a\u00e9roport jusqu\u2019au niveau de Tombo, c\u2019est le b\u00e9ton bitum\u00e9 \u00e0 structure \u00e9paisse, \u00e7a r\u00e9siste. O\u00f9 on met b\u00e9ton arm\u00e9 chez vous c\u2019est dans les quartiers pr\u00e9caires o\u00f9 il n y a addiction d\u2019eau o\u00f9 des camions ne passent. Le jour o\u00f9 l\u2019addiction va commencer, on sera oblig\u00e9 de reprendre tout \u00e0 z\u00e9ro. Je suis d\u2019accord que le b\u00e9ton arm\u00e9 r\u00e9siste beaucoup \u00e0 la charge que de dire que c\u2019est la solution pour l\u2019eau de pluie. Quand nous faisons des routes, faisons bonne route.\u00bb, a t-il martel\u00e9.<\/p>\n<p>Camara Mamadouba<br \/>\n611 46 04 10<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Depuis l\u2019av\u00e8nement du CNRD au pouvoir le 05 septembre 2021, de gigantesques travaux routiers sont<\/p>\n","protected":false},"author":2,"featured_media":3513,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3,5],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.13 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Qualit\u00e9 de route \u00e0 b\u00e9ton arm\u00e9 et route bitum\u00e9e: voici l\u2019avis d\u2019un avis d\u2019un sp\u00e9cialiste. - UNIVERSNEWS224<\/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:\/\/universnews224.com\/index.php\/qualite-de-route-a-beton-arme-et-route-bitumee-voici-lavis-dun-avis-dun-specialiste\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Qualit\u00e9 de route \u00e0 b\u00e9ton arm\u00e9 et route bitum\u00e9e: voici l\u2019avis d\u2019un avis d\u2019un sp\u00e9cialiste. - 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