{"id":2327,"date":"2026-04-27T13:06:58","date_gmt":"2026-04-27T13:06:58","guid":{"rendered":"https:\/\/protasoftware.com\/fr\/wiki\/travailler-avec-les-charges-de-dalle\/"},"modified":"2026-04-27T13:06:58","modified_gmt":"2026-04-27T13:06:58","slug":"travailler-avec-les-charges-de-dalle","status":"publish","type":"wiki","link":"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/travailler-avec-les-charges-de-dalle\/","title":{"rendered":"Travailler avec les charges de dalle"},"content":{"rendered":"

Propri\u00e9t\u00e9s de charge de dalle<\/span><\/h1>\n\n\n\n
\n

<\/p>\n<\/td>\n

\n

"<\/span><\/span>Propri\u00e9t\u00e9s de charge<\/span><\/span><\/i> <\/span><\/span><\/span>de dalle<\/span><\/span><\/i>" se charge quand l’option "<\/span><\/span>Charge de dalle<\/span><\/span><\/i>" du menu d\u00e9roulant "<\/span><\/span>\u00c9l\u00e9ment<\/span><\/span><\/i> <\/span><\/span>b\u00e9ton <\/span><\/span><\/i>" (ou de la barre d’outils) est s\u00e9lectionn\u00e9e. Une nouvelle charge de dalle se d\u00e9finit en renseignant les champs du formulaire de propri\u00e9t\u00e9s, puis en cliquant sur la r\u00e9f\u00e9rence d’insertion.<\/span><\/span><\/span><\/p>\n

Les champs suivants figurent dans ce formulaire de propri\u00e9t\u00e9s :<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Type de charge
<\/h2>\n

Selon le type de charge s\u00e9lectionn\u00e9, les param\u00e8tres de d\u00e9finition n\u00e9cessaires deviennent visibles dans le formulaire de propri\u00e9t\u00e9s.<\/span><\/span><\/span><\/p>\n\n\n\n
\n

<\/p>\n

Type de charge<\/span><\/span><\/span><\/div>\n<\/td>\n
\n

Trois boutons de type de charge sont disponibles dans le panneau sup\u00e9rieur du formulaire de propri\u00e9t\u00e9s, pour d\u00e9finir des charges ponctuelles, des charges lin\u00e9iques et des charges surfaciques partielles.<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Dimensions de la charge de dalle (b1, b2)
<\/h2>\n

Les dimensions horizontale (\u00ab"<\/span><\/span>b1 <\/span><\/span><\/i>") et verticale ("<\/span><\/span>b2 <\/span><\/span><\/i>") de la charge de dalle se d\u00e9finissent dans ces champs.<\/span><\/span><\/span><\/p>\n

    \n
  1. Charge ponctuelle :<\/span><\/span><\/b> <\/span><\/span><\/span>Ces champs ne sont pas disponibles lorsque la charge ponctuelle est s\u00e9lectionn\u00e9e.<\/span><\/span><\/span><\/li>\n
  2. Charge lin\u00e9ique :<\/span><\/span><\/b> "<\/span><\/span><\/span><\/span>b1<\/span><\/span><\/b>" correspond \u00e0 la longueur de la charge lin\u00e9ique.<\/span><\/span><\/span><\/span><\/li>\n
  3. Charge surfacique : <\/span><\/span><\/b>"<\/span><\/span><\/span><\/span>b1<\/span><\/span><\/b>" correspond \u00e0 la longueur horizontale et "<\/span><\/span><\/span><\/span>b2<\/span><\/span><\/b>" \u00e0 la dimension verticale de la charge surfacique.<\/span><\/span><\/span><\/span><\/li>\n<\/ol>\n

    <\/span><\/span><\/span><\/p>\n

    <\/p>\n

    Param\u00e8tres de chargement de dalle<\/span><\/span><\/span><\/span><\/b>
    <\/h1>\n

    Distances de r\u00e9f\u00e9rence de la charge de dalle (e1, e2)<\/span><\/span>
    <\/span><\/h1>\n

    Les charges de dalle s’ins\u00e8rent \u00e0 partir d’une intersection d’axes, prise comme point de r\u00e9f\u00e9rence. La distance horizontale (\u00ab"<\/span><\/span>e1 <\/span><\/span><\/i>") et la distance verticale ("<\/span><\/span>e2 <\/span><\/span><\/i>") jusqu’au coin inf\u00e9rieur gauche de la charge de dalle se d\u00e9finissent dans ces champs. Cette d\u00e9finition est semblable \u00e0 celle de \u00ab e1 \u00bb et \u00ab e2 \u00bb dans la section des ouvertures de dalle.<\/span><\/span><\/span>
    <\/span><\/p>\n

    Angle de charge<\/span><\/span>
    <\/span><\/h2>\n

    Le champ "<\/span><\/span>Angle<\/span><\/span><\/i>" permet de d\u00e9finir des charges de dalle pivot\u00e9es. Il s’agit de l’angle de direction du bord inf\u00e9rieur de la charge surfacique, ou de la direction de la charge lin\u00e9ique, mesur\u00e9 \u00e0 partir de l’axe x global.<\/span><\/span><\/span>
    <\/span><\/p>\n

    Ce champ n’est pas disponible pour les charges ponctuelles.<\/span><\/span><\/span>
    <\/span><\/div>\n

    Cas de charge<\/span><\/span>
    <\/span><\/h2>\n

    Pour chaque cas de charge vertical (\u201c<\/span><\/span>G <\/span><\/span><\/i>\u201d et \u201c<\/span><\/span>Q<\/span><\/span><\/i>\u201d), un ensemble de valeurs de charge peut \u00eatre d\u00e9fini. Vous pouvez changer de cas de charge \u00e0 l’aide des boutons "<\/span><\/span>Cas de charge suivant\/pr\u00e9c\u00e9dent <\/span><\/span><\/i>".<\/span><\/span><\/span>
    <\/span><\/p>\n

    Valeurs de charge<\/span><\/span>
    <\/span><\/h2>\n

    La valeur des charges peut \u00eatre d\u00e9finie \u00e0 l’aide des champs situ\u00e9s au bas du formulaire de propri\u00e9t\u00e9s.<\/span><\/span><\/span> <\/span><\/p>\n

    Insertion d’une nouvelle charge de dalle<\/span><\/h1>\n

    Pour d\u00e9finir une nouvelle charge de dalle :<\/span><\/span><\/span><\/p>\n

      \n
    1. Cliquez sur le bouton \u201c<\/span><\/span>Charge de dalle<\/span><\/span><\/i>\u201d situ\u00e9 dans la barre d’outils.<\/span><\/span>
      <\/span><\/li>\n
    2. S\u00e9lectionnez le type de charge en cliquant sur l’un des boutons de type de charge, situ\u00e9s dans la partie sup\u00e9rieure du formulaire de propri\u00e9t\u00e9s.<\/span><\/span>
      <\/span><\/li>\n
    3. Indiquez les dimensions de charge ("<\/span><\/span>b1 <\/span><\/span><\/i>" et "<\/span><\/span>b2 <\/span><\/span><\/i>") et l’angle de position de charge ("<\/span><\/span>Angle <\/span><\/span><\/i>", non applicable aux charges ponctuelles) dans le formulaire "<\/span><\/span>Propri\u00e9t\u00e9s de charge de dalle<\/span><\/span><\/i>". Certains de ces param\u00e8tres seront invisibles selon le type de charge s\u00e9lectionn\u00e9.<\/span><\/span>
      <\/span><\/li>\n
    4. Les distances au point de r\u00e9f\u00e9rence ("<\/span><\/span>e1 <\/span><\/span><\/i>" et "<\/span><\/span>e2 <\/span><\/span><\/i>") peuvent \u00eatre d\u00e9finies dans les vues en plan ou en 3D en s\u00e9lectionnant le point de r\u00e9f\u00e9rence et le point d’insertion. Au lieu de s\u00e9lectionner le point d’insertion, les coordonn\u00e9es relatives de ce point peuvent \u00eatre d\u00e9finies \u00e0 l’aide de la touche \u201cF2\u201d. <\/span><\/span>
      <\/span><\/li>\n
    5. Indiquez les valeurs de charge pour chaque cas de charge vertical auquel la charge sera appliqu\u00e9e. Vous pouvez changer de cas de charge \u00e0 l’aide des boutons "<\/span><\/span>Cas de charge suivant\/pr\u00e9c\u00e9dent<\/span><\/span><\/i>".<\/span><\/span>
      <\/span><\/li>\n
    6. Cliquez sur l’intersection d’axes qui servira de point de r\u00e9f\u00e9rence pour le trou de dalle. Vous pouvez aussi d\u00e9finir un angle de direction en cliquant sur une intersection d’axes, puis en faisant glisser vers une seconde intersection d’axes le long de l’un des axes.
      <\/span><\/span><\/li>\n<\/ol>\n
      L’exemple ci-dessous montre comment ins\u00e9rer diff\u00e9rentes charges. 
      <\/span><\/span><\/div>\n

      Modification d’une charge de dalle existante<\/span>
      <\/h1>\n

      Pour modifier une charge de dalle existante :<\/span><\/span><\/span><\/p>\n

        \n
      1. S\u00e9lectionnez une charge de dalle existante.<\/span>
        <\/span><\/span><\/li>\n
      2. Modifiez les champs tels que les dimensions ou les valeurs de charge dans le formulaire "Propri\u00e9t\u00e9s de charge de dalle ".<\/span>
        <\/span><\/span><\/li>\n
      3. Cliquez sur le bouton "Mettre \u00e0 jour " dans le formulaire.<\/span><\/span><\/li>\n<\/ol>\n

        Vous pouvez r\u00e9p\u00e9ter cette op\u00e9ration sur autant d’\u00e9l\u00e9ments que vous le souhaitez. Cette m\u00e9thode permet de modifier une seule charge \u00e0 la fois.<\/span><\/span><\/span><\/p>\n

        <\/span><\/p>\n
        \"Notes\"Une m\u00e9thode plus flexible et plus puissante pour d\u00e9finir une charge consiste \u00e0 utiliser l’\u00e9diteur de charges.  Consultez cet article : <\/span> D\u00e9finir une charge de dalle via l’\u00e9diteur de charges<\/a><\/span><\/div>\n

        <\/a><\/span><\/div>\n

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

        Propri\u00e9t\u00e9s de charge de dalle "Propri\u00e9t\u00e9s de charge de dalle" se charge quand l’option "Charge de dalle" du menu d\u00e9roulant "\u00c9l\u00e9ment b\u00e9ton " (ou de la barre d’outils)…<\/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":[48],"whitepaper_topic":[],"whitepaper_product":[],"whitepaper_type":[],"class_list":["post-2327","wiki","type-wiki","status-publish","hentry","category-structural-modelling"],"yoast_head":"\nTravailler avec les charges de dalle<\/title>\n<meta name=\"description\" content=\"Apprenez \u00e0 d\u00e9finir et g\u00e9rer les charges de dalle dans ProtaStructure. 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