{"id":24244,"date":"2023-05-31T10:18:37","date_gmt":"2023-05-31T08:18:37","guid":{"rendered":"https:\/\/maccaferri-stage.softecspa.it\/fr\/exemples-de-r\u00e9ussites\/a43-a41-reamenagement-de-lechangeur-autoroutier\/"},"modified":"2024-01-26T12:05:33","modified_gmt":"2024-01-26T11:05:33","slug":"a43-a41-reamenagement-de-lechangeur-autoroutier","status":"publish","type":"stories","link":"https:\/\/maccaferri-stage.softecspa.it\/fr\/exemples-de-r\u00e9ussites\/a43-a41-reamenagement-de-lechangeur-autoroutier\/","title":{"rendered":"A43\/A41 R\u00c9AM\u00c9NAGEMENT DE L’\u00c9CHANGEUR AUTOROUTIER"},"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\u2019\u00e9changeur de Chamb\u00e9ry Nord ne r\u00e9pondait plus \u00e0 l\u2019importance du trafic et aux exigences de s\u00e9curit\u00e9 pour les usagers.\u00a0 Pour s\u00e9parer les flux de circulation, AREA vient connecter directement la Voie Rapide Urbaine (VRU) \u00e0 l\u2019A41 en direction d\u2019Annecy. Cette nouvelle bretelle d\u00e9bute le long de la VRU, marque un virage important vers l\u2019est pour rejoindre l\u2019A41, en franchissant la rue de Belle Eau et les voies ferr\u00e9es.\u00a0 Dans le cadre de ces travaux, dix ouvrages de sout\u00e8nement devaient \u00eatre r\u00e9alis\u00e9s, 8 en remblais renforc\u00e9s parement min\u00e9ral et 2 en parement b\u00e9ton.<\/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 France Maccaferri a propos\u00e9 au Groupement NGE\/Eiffage les prestations de dimensionnement des ouvrages, ainsi que la fourniture et l’installation des solutions en remblais renforc\u00e9s parement min\u00e9ral et parement b\u00e9ton. Les ouvrages de sout\u00e8nement \u00e0 parement min\u00e9ral ont \u00e9t\u00e9 r\u00e9alis\u00e9s en Terramesh Min\u00e9ral : Le plus grand mur a \u00e9t\u00e9 r\u00e9alis\u00e9 au niveau de l’insertion \u00e0 l’A41 et comprend trois segments : avant le saut de mouton, entre le saut de mouton et l’OA SNCF et apr\u00e8s l’OA SNCF. Il pr\u00e9sente une longueur totale de 220m pour une hauteur maximale de 9m pour une surface totale de 1800m\u00b2. Les autres murs en TM sont situ\u00e9s en retours sur l’OA SNCF \u00e0 l’arri\u00e8re des pi\u00e9droits des ouvrages. Les modules de Terramesh Min\u00e9ral, inclin\u00e9s de 3\u00b0 par rapport \u00e0 la verticale et de hauteur 65cm, sont constitu\u00e9s d\u2019un parement min\u00e9ral de 30cm d\u2019\u00e9paisseur en t\u00eate et de 50cm d\u2019\u00e9paisseur moyenne, qui se prolonge par une nappe de grillage m\u00e9tallique en arri\u00e8re de 2.5m de longueur. Deux autres murs en remblais renforc\u00e9s ont \u00e9t\u00e9 r\u00e9alis\u00e9s par les \u00e9quipes Maccaferri mais cette fois avec un parement \u00e9cailles b\u00e9ton (MacRes). Le syst\u00e8me Macres est constitu\u00e9 d\u2019un parement en panneaux b\u00e9ton pr\u00e9fabriqu\u00e9s de section courante 1m50x1m50, d\u2019\u00e9paisseur minimale de 14cm et d\u2019\u00e9l\u00e9ments de renfort lin\u00e9aires sous formes de bandes g\u00e9osynth\u00e9tiques \u00e0 haute r\u00e9sistance \u00e0 la traction Paraweb, reli\u00e9es au parement b\u00e9ton par une amorce synth\u00e9tique Paraloop. A l\u2019issue du chantier une fresque a \u00e9t\u00e9 r\u00e9alis\u00e9e sur les murs en parement b\u00e9ton par un collectif d’artistes lyonnais, sur le th\u00e8me de la nature.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>

Used Products<\/h2>
\"Terramesh\"<\/div>
Terramesh<\/h6>La famille Terramesh\u00ae de Maccaferri comprend diff\u00e9rentes options de parement pour la construction de structures en terre stabilis\u00e9e m\u00e9caniqu<\/span>Voir\n \n <\/a>
star<\/span><\/div><\/div><\/div><\/div><\/div>
\"G\u00e9ogrilles<\/div>
G\u00e9ogrilles monoaxiales<\/h6>Les g\u00e9ogrilles sont utilis\u00e9es, principalement, \u00e0 des fins de renforcement, compte tenu de leur structure particuli\u00e8re qui leur permet de fournir la fo<\/span>Voir\n \n <\/a>
star<\/span><\/div><\/div><\/div><\/div><\/div>
\"MACRES\"<\/div>
MACRES<\/h6>Le syst\u00e8me MacRes de Maccaferri comprend des panneaux de parement verticaux en b\u00e9ton pr\u00e9fabriqu\u00e9 et des g\u00e9obandes ParaWeb, fab<\/span>Voir\n \n <\/a>
star<\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

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