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Les longueurs de recouvrement pour les cas SUIVANTS ! SVP


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Déterminer les longueurs de recouvrement pour les cas suivants :
-Barre HA20 comprimée en acier FeE400.
-Barre HA20 tendue en acier FeE500.
-Barre rends lisse Φ20 (avec crochet).
-Barre HA20 FeE400(avec crochet).
SVP et Merciiii .

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