{"id":110074,"date":"2025-10-29T07:53:38","date_gmt":"2025-10-29T06:53:38","guid":{"rendered":"https:\/\/www.maccaferri.com\/fr\/success-stories\/travaux-de-protection-contre-les-chutes-de-blocs-saint-martin-de-queyrieres-05\/"},"modified":"2026-02-16T15:38:32","modified_gmt":"2026-02-16T14:38:32","slug":"travaux-de-protection-contre-les-chutes-de-blocs-saint-martin-de-queyrieres-05","status":"publish","type":"stories","link":"https:\/\/www.maccaferri.com\/fr\/exemples-de-r\u00e9ussites\/travaux-de-protection-contre-les-chutes-de-blocs-saint-martin-de-queyrieres-05\/","title":{"rendered":"Travaux de protection contre les chutes de blocs, Saint-Martin-de-Queyri\u00e8res, 05"},"content":{"rendered":"
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    \"\"<\/div>\n <\/div>\n <\/div>\n
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    Poteaux \u00e9quip\u00e9s de marches<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    \"\"<\/div>\n <\/div>\n <\/div>\n
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    Le kit RB 2000 H6 offre une pose simplifi\u00e9e<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    Syst\u00e8me de freins hybride<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    Poteau partag\u00e9 pour le sectionnement de la ligne<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    Barri\u00e8re test\u00e9e \u00e0 6m, certifi\u00e9e CE jusqu\u2019\u00e0 7m, selon l\u2019EAD 340059-00-0106<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n\n <\/div>\n <\/div>

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    Challenge<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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    Le secteur a prot\u00e9ger \u00e0 Saint-Martin-de-Queyri\u00e8res pr\u00e9sente un risque de chutes de blocs pouvant impacter environ une vingtaine d\u2019habitations, class\u00e9 en risque moyen \u00e0 fort selon le PPR.<\/p>\n

    Des \u00e9tudes trajectographiques ont \u00e9t\u00e9 r\u00e9alis\u00e9es pour dimensionner des protections passives capables de r\u00e9sister \u00e0 des impacts au MEL variant de 750 \u00e0 3000 kJ selon les zones.<\/p>\n

    Une premi\u00e8re phase de travaux a \u00e9t\u00e9 r\u00e9alis\u00e9e en 2024 avec l’installation de 228 ml d’\u00e9cran certifi\u00e9s CE RB 3000 WGC. En 2025, la s\u00e9curisation s’est achev\u00e9e avec la mise en place de deux lignes d’\u00e9crans pare-blocs de 750 kJ et 2000 kJ, elles aussi fournies par France Maccaferri. <\/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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    L\u2019entreprise Ouestacro a \u00e9t\u00e9 d\u00e9clar\u00e9e mandatrice des travaux de r\u00e9duction des risques et s\u2019est occup\u00e9e de l\u2019installation des diff\u00e9rents ouvrages de protection passive. Pour la tranche optionnelle de 2025, France Maccaferri a fourni 40 ml de barri\u00e8re RB 750 de 3m de hauteur et 156 ml de barri\u00e8re RB 2000 H6 de 6m de hauteur. Ces deux barri\u00e8res, test\u00e9es et certifi\u00e9es CE, sont conformes au document EAD 340059-00-0106.<\/p>\n

    La barri\u00e8re RB 750 se distingue par sa l\u00e9g\u00e8ret\u00e9, permettant une installation rapide, ainsi que par ses performances sup\u00e9rieures en termes de d\u00e9formation, gr\u00e2ce \u00e0 son filet HEA qui constitue la structure d\u2019interception.<\/p>\n

    Le kit RB 2000 H6, quant \u00e0 lui, est une innovation parmi les solutions Maccaferri. Il s\u2019agit de la seule barri\u00e8re sur le march\u00e9 test\u00e9e \u00e0 une hauteur de 6,00 m et certifi\u00e9e CE jusqu\u2019\u00e0 7,00 m, selon l\u2019EAD 340059-00-0106. Cette solution optimise les co\u00fbts pour des situations o\u00f9 les trajectoires d\u2019impact sont tr\u00e8s \u00e9lev\u00e9es mais avec des \u00e9nergies inf\u00e9rieures \u00e0 5000kJ. En outre, le kit RB 2000 H6 offre une pose simplifi\u00e9e, gr\u00e2ce \u00e0 l\u2019absence de c\u00e2bles longitudinaux interm\u00e9diaires et \u00e0 la pr\u00e9sence d\u2019un seul ancrage lat\u00e9ral par extr\u00e9mit\u00e9. Un syst\u00e8me de freins hybride r\u00e9duit consid\u00e9rablement les efforts transmis aux ancrages tout en maintenant des performances \u00e9lev\u00e9es de la barri\u00e8re.<\/p>\n

    Les poteaux sont \u00e9quip\u00e9s de marches. Le filet \u00e0 anneaux est coupl\u00e9 en usine au poteau, afin d’\u00e9viter le double h\u00e9liportage et de permettre l’ouverture en rideau de la structure d’interception. Aucun grillage de doublage n’est n\u00e9cessaire.<\/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 bloc<\/span>Voir\n \n <\/a>
    star<\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

    L\u2019entreprise Ouestacro a \u00e9t\u00e9 d\u00e9clar\u00e9e mandatrice des travaux de r\u00e9duction des risques et s\u2019est occup\u00e9e de l\u2019installation des diff\u00e9rents o<\/p>\n","protected":false},"featured_media":99994,"parent":0,"menu_order":0,"template":"","stories-category":[],"stories-tag":[],"class_list":["post-110074","stories","type-stories","status-publish","has-post-thumbnail","hentry"],"acf":{"products":[113654],"applications":[103481,103481],"solutions":[103544],"sectors":[103460]},"yoast_head":"\nTravaux de protection contre les chutes de blocs, Saint-Martin-de-Queyri\u00e8res, 05 - Maccaferri France<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez nos r\u00e9ussites : Travaux de protection contre les chutes de blocs, Saint-Martin-de-Queyri\u00e8res, 05. 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