Repair by Jacketing

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    Renforcement dune habitationindividuelle R+ 3

    Classe par les services technique enorange 4.

    Aprs tudes selon la nouvelle normeRPA 2003, des voiles ont t rajoutspour augmenter la rigidit de la structure

    Les dplacements max des nuds les

    plus hauts se rduits en moyenne de 2,7cm 0,65 cm aprs renforcement parvoiles.

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    clatement des nuds, dssolaridation du poteau dangle de la structure

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    Structure

    RDC+3 + 1 sous sol

    Btiment rgulier en plan 4 poteaux de 30cm x 30 cm sur 4 avec des traves de 4 m

    de chaque cot

    Les lments du sous sol nont subi aucundommage

    Les poteaux du RDC par contre ont toust endommags

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    Procdure de rparation

    Chemisage des quatre poteaux du rdc partir du sous sol.

    Rajout dun voile de contreventement de20 cm au niveau du sous sol sur la faade

    Sud pour rquilibrer les autres faades.

    Rajout dun voile de 30 cm en deux partiesavec fondation la faade Est en s/sol.

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    Chemisage des 4 poteaux centraux

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    Coffrage mi hauteur et rsultat aprs dcoffrage

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    Aprs taiement, dmolition du bton et changement des aciers long. et transv.+ les U aux noeuds

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    Chemisage des 4 poteaux sous sol termins

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    Pour scellement des barres par de la rsine Mdapoxy AN des trous de 15 cm de

    profondeur dans les poteaux et poutres ont t raliss laide dune perceuse spciale

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    Coulage du bton du voile aprs rsine Mdapoxy Primaire et rsultat aprs dcoffrage

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    C l d t d i d il

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    Coulage des poteaux avec ancrage des aciers du voile

    F ill C ff F ill ll d il d 30 B l it di l d

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    Fouille Coffrage Ferraillage semelle du voile de 30 cm Barres longitudinales du

    voile traversant toute la hauteur de la longrine Voile termin

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    Mur coule

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    Dmolition des mur et poteaux

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    Moyens mis la disposition

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    Moyens mis la disposition

    Confection de bton la main - Etaiement par des HEA et platine

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    En cours de ralisation et Modlisation par logiciel de calcul

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    En cours de ralisation et Modlisation par logiciel de calcul

    Btisse en cours de ralisation - Ses quartes faades

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    q

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    RENFORCEMENT BATIMENTS

    RDC+3 - BOUMERDES

    PROPRIETAIRE x

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