{"id":24073,"date":"2023-05-31T10:18:04","date_gmt":"2023-05-31T08:18:04","guid":{"rendered":"https:\/\/maccaferri-stage.softecspa.it\/fr\/exemples-de-r\u00e9ussites\/rd-900-a-pr-14730-lieu-dit-esclangon\/"},"modified":"2024-01-26T12:06:09","modified_gmt":"2024-01-26T11:06:09","slug":"rd-900-a-pr-14730-lieu-dit-esclangon","status":"publish","type":"stories","link":"https:\/\/maccaferri-stage.softecspa.it\/fr\/exemples-de-r\u00e9ussites\/rd-900-a-pr-14730-lieu-dit-esclangon\/","title":{"rendered":"RD 900\/A PR 14+730 LIEU DIT ESCLANGON"},"content":{"rendered":"
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Probl\u00e8me<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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Suite \u00e0 un nouveau glissement de terrain initi\u00e9 par l’\u00e9rosion suite \u00e0 de fortes pr\u00e9cipitations, des travaux devaient \u00eatre entrepris sur la RD900A au PR14 +730 sur le site de l’Esclangon. La route a \u00e9t\u00e9 ferm\u00e9e \u00e0 cause du risque important de chutes de blocs \u00e0 cet endroit. Dans le cadre du March\u00e9 \u00e0 bon de commande dans le d\u00e9partement 04, la soci\u00e9t\u00e9 EPC a d\u00e9j\u00e0 travaill\u00e9 sur une 1\u00e8re phase en 2019 avec la pose d’\u00e9crans RMC 200\/A + RB 1000 fournis par Maccaferri dans cette zone. Il s’agit maintenant de s\u00e9curiser une autre partie du site avec 2 autres lignes d’\u00e9crans.<\/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 s’est tourn\u00e9e vers Maccaferri qui b\u00e9n\u00e9ficie d\u2019une gamme importante de solutions dans le domaine de la protection contre les chutes de blocs. Ses derni\u00e8res innovations dans le domaine sont deux \u00e9crans pare-blocs certifi\u00e9s CE : les barri\u00e8res RB 2000 et RB 3000. Ces deux \u00e9crans ont \u00e9t\u00e9 test\u00e9s selon l\u2019agr\u00e9ment europ\u00e9en EAD 340059-00-0106. En plus de l\u2019essai MEL et des deux essais SEL demand\u00e9s dans l\u2019EAD, un troisi\u00e8me test a \u00e9t\u00e9 r\u00e9alis\u00e9 avec succ\u00e8s apr\u00e8s les deux essais SEL sur le m\u00eame \u00e9cran sans r\u00e9paration avec un bloc g\u00e9n\u00e9rant une \u00e9nergie sup\u00e9rieure \u00e0 l’\u00e9nergie de service SEL. Ces \u00e9crans sont dot\u00e9s d\u2019un nouveau syst\u00e8me de frein et ne disposent pas d\u2019ouverture lat\u00e9rale entre le poteau et le filet, permettant de tr\u00e8s bonnes performances en termes de hauteur r\u00e9siduelle (environ 70% – Cat\u00e9gorie A) et d\u2019\u00e9longation (inf\u00e9rieure \u00e0 environ 7.0 m). L\u2019\u00e9cran pare-bloc RB 2000 est en mesure de r\u00e9sister \u00e0 l’impact d’un bloc avec un niveau d’\u00e9nergie de 2100kJ, et 3200kJ pour l’\u00e9cran RB 3000. En d\u00e9veloppant ces deux nouveaux \u00e9crans, un des objectifs \u00e9tait de faciliter et de r\u00e9duire le temps de mise en \u0153uvre pour les entreprises de pose. Pour cela, des am\u00e9liorations ont \u00e9t\u00e9 effectu\u00e9es : *ajout de marches sur les poteaux qui facilitent la mise en \u0153uvre des composants et l\u2019acc\u00e8s en t\u00eate des poteaux. *filet en ouverture en rideau qui arrive sur chantier d\u00e9j\u00e0 coupl\u00e9 au poteau. *syst\u00e8me d\u2019accrochage des haubans amonts au poteau qui permet une simple installation et d\u00e9sinstallation en cas d\u2019impact, afin de faciliter les op\u00e9rations d\u2019entretien. *Absence d\u2019ancrages en pied de poteau pour la RB 3000.<\/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><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

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