{"id":23986,"date":"2023-05-31T10:17:47","date_gmt":"2023-05-31T08:17:47","guid":{"rendered":"https:\/\/maccaferri-stage.softecspa.it\/fr\/exemples-de-r\u00e9ussites\/mise-en-securite-de-la-rd96-falaise-mirabeau\/"},"modified":"2024-01-26T12:06:26","modified_gmt":"2024-01-26T11:06:26","slug":"mise-en-securite-de-la-rd96-falaise-mirabeau","status":"publish","type":"stories","link":"https:\/\/maccaferri-stage.softecspa.it\/fr\/exemples-de-r\u00e9ussites\/mise-en-securite-de-la-rd96-falaise-mirabeau\/","title":{"rendered":"MISE EN S\u00c9CURIT\u00c9 DE LA RD96 – FALAISE MIRABEAU"},"content":{"rendered":"
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Probl\u00e8me<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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L\u2019op\u00e9ration concerne l\u2019installation de dispositifs de protection sur la falaise Mirabeau, bordant la Route D\u00e9partementale 96, sur la commune de Jouques. Cette zone avait \u00e9t\u00e9 identifi\u00e9e comme une zone \u00e0 risque suite \u00e0 une \u00e9tude g\u00e9otechnique en 2015, et suite \u00e0 des \u00e9boulements fin 2017, des travaux de confortement plus importants avaient \u00e9t\u00e9 pr\u00e9conis\u00e9s. Ils visent \u00e0 r\u00e9duire les risques de chutes de blocs et masses rocheuses sur la voie routi\u00e8re. Cette op\u00e9ration s\u2019inscrit dans un site sensible relatif \u00e0 un massif naturel bois\u00e9 Natura 2000.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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Solution<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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La Soci\u00e9t\u00e9 EPC FRANCE a fait appel \u00e0 Maccaferri afin de trouver des solutions qui s’int\u00e8grent parfaitement dans le paysage. Pour r\u00e9duire l\u2019impact visuel, les poteaux des \u00e9crans et les plaques ont donc \u00e9t\u00e9 peints avec une nuance de gris RAL 7030, comme demand\u00e9 par la maitrise d\u2019\u0153uvre. Le \u00e9crans sont test\u00e9s en grandeur nature selon le protocole ETAG 027 et b\u00e9n\u00e9ficient d’un marquage CE. Ils pr\u00e9sentent les meilleures performances du march\u00e9 en terme d\u2019\u00e9longation dynamique vers l\u2019aval (6.05 m, mesur\u00e9e suite au test MEL) ce qui a permis de les positionner pr\u00e8s de la route \u00e0 prot\u00e9ger, de limiter la zone de d\u00e9broussaillage et faciliter les op\u00e9rations de pose. De plus, l’\u00e9cran RMC 300\/A pr\u00e9sente aussi la meilleure hauteur r\u00e9siduelle du march\u00e9 (73%) : la barri\u00e8re, si elle est impact\u00e9e par un premier bloc, est en mesure de retenir d\u2019autres impacts. La faible ouverture lat\u00e9rale entre le filet et le poteau a permis d\u2019optimiser l\u2019implantation et r\u00e9duire le lin\u00e9aire des \u00e9crans car aucun module lat\u00e9ral n’\u00e9tait n\u00e9cessaire. Louverture en rideau des filets MacRing constituant la structure d\u2019interception de la RMC 300\/A et les faibles efforts agissant sur les ancrages ont permis \u00e0 l’entreprise EPC d\u2019installer les barri\u00e8res dans un d\u00e9lai tr\u00e8s court. Les filets MAC RING 4PM sont fabriqu\u00e9s et test\u00e9s (r\u00e9sistance au poin\u00e7onnement et r\u00e9sistance \u00e0 la traction) conform\u00e9ment \u00e0 la norme ISO 17745 : 2016. Ils ont l’avantage d’absorber l\u2019\u00e9nergie cin\u00e9tique des blocs gr\u00e2ce \u00e0 la d\u00e9formation des anneaux : les forces sont transmises au filet et au syst\u00e8me, sans forcer sur les ancrages.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>

Used Products<\/h2>
\"Ecrans<\/div>
Ecrans pare-blocs<\/h6>Les \u00e9crans pare-blocs Maccaferri (ou barri\u00e8res de r\u00e9tention) sont con\u00e7ues pour bloquer \/ intercepter les chutes de pierres et de blocs avant qu\u2019ils ne<\/span>Voir\n \n <\/a>
star<\/span><\/div><\/div><\/div><\/div><\/div>
\"Filets\"<\/div>
Filets<\/h6>Les filets HEA (High Energy Absorption) de Maccaferri sont les produits les plus rigides de notre gamme de syst\u00e8mes de grillages Mac.RO(TM), offrant u<\/span>Voir\n \n <\/a>
star<\/span><\/div><\/div><\/div><\/div><\/div>
\"Grillage<\/div>
Grillage pare-\u00e9boulis<\/h6>Le grillage Maccaferri DT est un composant essentiel de notre application MacRO d\u2019att\u00e9nuation des chutes de pierres et de protection contre les risque<\/span>Voir\n \n <\/a>
star<\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

La Soci\u00e9t\u00e9 EPC FRANCE a fait appel \u00e0 Maccaferri afin de trouver des solutions qui s'int\u00e8grent parfaitement dans le paysage. 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