{"id":2034,"date":"2026-04-27T11:44:52","date_gmt":"2026-04-27T11:44:52","guid":{"rendered":"https:\/\/protasoftware.com\/fr\/wiki\/charge-de-service-d-un-pieu\/"},"modified":"2026-04-27T11:44:52","modified_gmt":"2026-04-27T11:44:52","slug":"charge-de-service-d-un-pieu","status":"publish","type":"wiki","link":"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/charge-de-service-d-un-pieu\/","title":{"rendered":"Charge de service d’un pieu"},"content":{"rendered":"

Charge de service<\/h1>\n
La charge de service du pieu d\u00e9termine les capacit\u00e9s admissibles du pieu en compression, structurelle et g\u00e9otechnique. <\/span>Suivez ces \u00e9tapes pour calculer la charge de service du pieu :<\/span><\/div>\n
<\/span><\/div>\n
\n
    \n
  1. V\u00e9rifiez<\/span><\/i><\/b> la Charge de service <\/b>dans l’onglet Calcul des pieux > Calcul <\/b>
    <\/span><\/i>Les onglets Profil de sol<\/b> et <\/span>Charge de
    \nservice<\/b> s’affichent dans le panneau de gauche. Le groupe Actions de calcul <\/b>s’affiche aussi en bas \u00e0 droite
    \nde la fen\u00eatre. <\/span>L’onglet Charge de
    \nservice <\/b>contient deux sous-onglets : <\/span>Param\u00e8tres
    \nde calcul<\/b> et <\/span>SPT N<\/b><\/li>\n
  2. Saisissez la valeur de l’Effort axial<\/b>.<\/span><\/li>\n
  3. Dans l’onglet Profil de sol <\/b>,
    \nmettez \u00e0 jour le profil de sol d’apr\u00e8s le log de sondage du rapport de reconnaissance g\u00e9otechnique.
    <\/span><\/li>\n<\/ol>\n

    D\u00e9finir le profil de sol
    <\/h1>\n
    <\/div>\n
      \n
    1. \n
      Le profil de sol se modifie avec les boutons <\/span>Ajouter une ligne, Supprimer la ligne, Tout supprimer et Importer depuis CSV<\/span><\/b><\/span>
      <\/span><\/div>\n<\/li>\n
        \n
      1. \n
        Ajouter une ligne<\/span><\/b> – Ajoute une nouvelle ligne au-dessus de la ligne s\u00e9lectionn\u00e9e<\/span>
        <\/span><\/div>\n<\/li>\n
      2. \n
        Supprimer la ligne<\/span><\/b> – Supprime la ligne s\u00e9lectionn\u00e9e<\/span>
        <\/span><\/div>\n<\/li>\n
      3. \n
        Tout supprimer<\/span><\/b> – Supprime toutes les lignes<\/span>
        <\/span><\/div>\n<\/li>\n
      4. \n
        Importer depuis Excel\/ CSV<\/span><\/b> – Importe le profil de sol depuis un fichier Excel\/ CSV<\/span><\/div>\n<\/li>\n
      5. \n
        \u200b<\/span>Des fichiers d’import d’exemple pour les micros de calcul de pieu et de semelle sur pieux se trouvent dans le dossier <\/span>C:Users<UserName>DocumentsProtaLibSamples<\/b><\/div>\n<\/li>\n<\/ol>\n
      6. \n
        Cliquez<\/span><\/b> sur le <\/span>libell\u00e9 du sol<\/span><\/b> dans la premi\u00e8re colonne pour d\u00e9finir ou modifier un mat\u00e9riau de sol. La bo\u00eete de dialogue <\/span>Mat\u00e9riaux de sol<\/span><\/b> s’affiche. <\/span><\/div>\n<\/li>\n
      7. \n
        S\u00e9lectionnez un autre mat\u00e9riau dans la bo\u00eete de dialogue <\/span>Mat\u00e9riaux de sol<\/span><\/b> > Cliquez sur <\/span>OK<\/span><\/b> pour changer le mat\u00e9riau de la ligne s\u00e9lectionn\u00e9e.<\/span>
        <\/span><\/div>\n<\/li>\n
      8. \n
        Cliquez sur le bouton " <\/span>+ <\/span><\/b>" pour ajouter un mat\u00e9riau de sol. Cliquez sur le bouton " <\/span>x<\/span><\/b> " pour supprimer le mat\u00e9riau de sol s\u00e9lectionn\u00e9. <\/span>
        <\/span><\/div>\n<\/li>\n
      9. \n
        Vous pouvez modifier le nom et la couleur du mat\u00e9riau, ses propri\u00e9t\u00e9s m\u00e9caniques et ses param\u00e8tres de calcul. <\/span>
        <\/span><\/div>\n<\/li>\n
      10. \n
        L’\u00e9paisseur des couches de sol se modifie dans la colonne <\/span>Intervalle de profondeur<\/span><\/b>.<\/span>
        <\/span><\/div>\n<\/li>\n<\/ol>\n
        <\/div>\n
        L’onglet Param\u00e8tres de calcul <\/b>permet de saisir les param\u00e8tres suivants :<\/div>\n
        <\/div>\n
        <\/div>\n
        <\/div>\n
          \n
        1. Saisissez ou confirmez les param\u00e8tres de l’Efficacit\u00e9 de groupe<\/b>. Ils servent \u00e0 d\u00e9terminer le coefficient d’efficacit\u00e9 appliqu\u00e9 \u00e0 la charge de service du pieu. R\u00e9glez la M\u00e9thode d’efficacit\u00e9<\/b> sur Ne pas appliquer la m\u00e9thode d’efficacit\u00e9<\/b> si ce coefficient n’est pas n\u00e9cessaire. <\/li>\n
        2. Saisissez ou confirmez le coefficient de s\u00e9curit\u00e9 de la r\u00e9sistance en pointe et du frottement lat\u00e9ral. <\/li>\n
        3. Saisissez ou confirmez la Pr\u00e9contrainte effective<\/b> (pour les pieux centrifug\u00e9s en b\u00e9ton arm\u00e9 uniquement)<\/li>\n
            \n
          1. La section d’armatures As (section des armatures principales mises en place) et la Capacit\u00e9 structurelle admissible du pieu<\/b> sont calcul\u00e9es automatiquement. Elles d\u00e9coulent des propri\u00e9t\u00e9s du pieu et des armatures d\u00e9finies dans les onglets G\u00e9om\u00e9trie du pieu<\/b> et Calcul<\/b>. <\/li>\n<\/ol>\n<\/ol>\n
            <\/div>\n
            L’onglet SPT N<\/b> permet de saisir le SPT N (nombre de coups de l’essai de p\u00e9n\u00e9tration standard) de chaque couche de sol. <\/div>\n
            <\/div>\n
            <\/div>\n
            <\/div>\n
            <\/div>\n<\/div>\n
              \n
            1. Saisissez le SPT N de chaque couche de sol. <\/li>\n
            2. Le frottement lat\u00e9ral devient n\u00e9gatif si vous cochez la case de la derni\u00e8re colonne.<\/li>\n
                \n
              1. Pour un sol de type roche, saisissez la R\u00e9sistance \u00e0 la compression simple<\/i><\/b>  (en kPa) dans la colonne SPT N au lieu du SPT N <\/li>\n<\/ol>\n
              2. Cliquez sur le bouton Calculer la charge de service<\/b> pour calculer la charge de service en pointe du pieu<\/li>\n
                  \n
                1. L’onglet Diagrammes<\/b> s’affiche apr\u00e8s un clic sur le bouton Calculer la charge de service<\/b> <\/li>\n
                2. Vous pouvez consulter les courbes SPT N en fonction de la profondeur<\/b> et Charge de service en fonction de la profondeur<\/b> dans le diagramme <\/li>\n
                3. Si le marqueur Losange rouge<\/b> (la charge de service du pieu) se trouve \u00e0 droite de la ligne d’Ad\u00e9quation<\/b>, la charge de service du pieu est suffisante. <\/li>\n<\/ol>\n<\/ol>\n
                  <\/div>\n
                  L’onglet R\u00e9sultats et d\u00e9tails permet de g\u00e9n\u00e9rer la note de calcul<\/div>\n
                    \n
                  1. Cliquez sur le bouton Rapport pour cr\u00e9er la note de calcul<\/li>\n<\/ol>\n
                    <\/div>\n

                    <\/p>\n","protected":false},"excerpt":{"rendered":"

                    Charge de service La charge de service du pieu d\u00e9termine les capacit\u00e9s admissibles du pieu en compression, structurelle et g\u00e9otechnique. Suivez ces \u00e9tapes pour calculer la…<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"template":"","meta":{"_whitepaper_youtube_videos":"","_whitepaper_youtube_url":"","_whitepaper_youtube_thumbnail":"","footnotes":""},"categories":[12],"whitepaper_topic":[],"whitepaper_product":[],"whitepaper_type":[],"class_list":["post-2034","wiki","type-wiki","status-publish","hentry","category-pile-design"],"yoast_head":"\nCharge de service d'un pieu - Prota Software<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/charge-de-service-d-un-pieu\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Prota Software\" \/>\n<meta property=\"og:description\" content=\"Charge de service La charge de service du pieu d\u00e9termine les capacit\u00e9s admissibles du pieu en compression, structurelle et g\u00e9otechnique. Suivez ces \u00e9tapes pour calculer la…\" \/>\n<meta property=\"og:url\" content=\"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/charge-de-service-d-un-pieu\/\" \/>\n<meta property=\"og:site_name\" content=\"Prota Software\" \/>\n<meta property=\"og:image\" content=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-b5439cb55acb89a4276f29559ffb6dc4.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Prota Software\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/protasoftware.com\\\/fr\\\/support\\\/manuels-techniques\\\/charge-de-service-d-un-pieu\\\/\",\"url\":\"https:\\\/\\\/protasoftware.com\\\/fr\\\/support\\\/manuels-techniques\\\/charge-de-service-d-un-pieu\\\/\",\"name\":\"Charge de service d'un pieu - 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