{"id":1921,"date":"2026-04-27T11:56:28","date_gmt":"2026-04-27T11:56:28","guid":{"rendered":"https:\/\/protasoftware.com\/fr\/wiki\/analyse-sismique-selon-la-nscp-2015-aux-philippines\/"},"modified":"2026-04-27T11:56:28","modified_gmt":"2026-04-27T11:56:28","slug":"analyse-sismique-selon-la-nscp-2015-aux-philippines","status":"publish","type":"wiki","link":"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/analyse-sismique-selon-la-nscp-2015-aux-philippines\/","title":{"rendered":"Analyse sismique selon la NSCP 2015 aux Philippines"},"content":{"rendered":"
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Prota<\/span><\/span><\/b>Structure peut calculer les charges sismiques conform\u00e9ment au code sismique des Philippines (NSCP2015), une adaptation de l’UBC97.<\/span><\/span>
<\/span><\/p>\n


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

Acc\u00e9dez \u00e0 la bo\u00eete de dialogue Analyse du b\u00e2timent<\/b> > onglet Pr\u00e9-analyse <\/b>: 
<\/span><\/span><\/p>\n

    \n
  1. Cliquez sur Centre des param\u00e8tres <\/b>> la section Code<\/a> s’affiche > choisissez Code sismique  <\/b> 
    <\/span><\/span><\/li>\n
  2. Cliquez sur <\/span>Param\u00e8tre sismique <\/span><\/b>pour acc\u00e9der aux param\u00e8tres sismiques et aux r\u00e9glages
    <\/span><\/li>\n<\/ol>\n
    \n \n <\/div>\n
    \n
    <\/span>\n <\/div>\n
    <\/p>\n
    \n <\/div>\n
    \n Cliquez sur l’ic\u00f4ne<\/span> i  <\/span><\/span><\/i><\/b>pour plus d’informations et de conseils sur le param\u00e8tre.<\/span>
    <\/span>
    \n <\/span><\/div>\n

    \n <\/span><\/div>\n
    Veuillez \u00e9galement lire cet article<\/span> Charge sismique – Guide de base<\/span><\/a>.  <\/span>\n <\/div>\n

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

    Param\u00e8tres<\/span><\/span>
    <\/span><\/h2>\n

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

    \n <\/span>Voici les explications des principales donn\u00e9es de l’onglet \u201c<\/span>Param\u00e8tres<\/span><\/b>\u201d :<\/span><\/span>
    \n <\/span><\/div>\n

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

      \n <\/span><\/div>\n
    1. Angle du spectre<\/span><\/span><\/b> : c’est l’angle des forces sismiques appliqu\u00e9es par rapport \u00e0 l’orientation de la structure en plan, mesur\u00e9 dans le sens antihoraire depuis l’horizontale globale. <\/span> <\/span><\/span>Par exemple, si un b\u00e2timent rectangulaire est mod\u00e9lis\u00e9 avec un angle de rotation, l’angle du spectre doit \u00eatre ajust\u00e9 en cons\u00e9quence. <\/span><\/span>
      <\/span><\/li>\n

      \n <\/span><\/div>\n<\/ol>\n

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

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

        \n <\/span><\/div>\n
      1. Zone sismique et type de source sismique<\/span><\/span><\/b> : \u00e0 s\u00e9lectionner par l’utilisateur<\/span><\/span>
        <\/span><\/li>\n

        \n <\/span><\/div>\n<\/ol>\n

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

          \n <\/span><\/div>\n
        1. Distance la plus proche \u00e0 la source <\/span><\/span><\/b>: saisissez la valeur et appuyez sur \u201c<\/span><\/span>Enter<\/span><\/span><\/b>\u201d<\/span><\/span>
          <\/span><\/li>\n

          \n <\/span><\/div>\n<\/ol>\n

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

            \n <\/span><\/div>\n
          1. Facteurs de proximit\u00e9 de la source, Na et Nv<\/span><\/span><\/b> :<\/span>  <\/span><\/span>sont automatiquement mis \u00e0 jour selon la \u201cDistance la plus proche \u00e0 la source\u201d. Cliquez sur \u2018<\/span><\/span>i<\/span><\/span><\/b>\u2019 pour plus de d\u00e9tails et de r\u00e9f\u00e9rences.<\/span><\/span>
            <\/span><\/li>\n

            \n <\/span><\/div>\n<\/ol>\n

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

              \n <\/span><\/div>\n
            1. Cat\u00e9gorie d’occupation<\/span><\/span><\/b> :<\/span>  <\/span><\/span>\u00e0 s\u00e9lectionner par l’utilisateur.<\/span><\/span>
              <\/span><\/li>\n

              \n <\/span><\/div>\n<\/ol>\n

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

                \n <\/span><\/div>\n
              1. Facteur d’importance<\/span><\/span><\/b> est automatiquement r\u00e9cup\u00e9r\u00e9 \u00e0 partir du code.<\/span><\/span>
                <\/span><\/li>\n

                \n <\/span><\/div>\n<\/ol>\n

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

                  \n <\/span><\/div>\n
                1. Cat\u00e9gorie du syst\u00e8me<\/span><\/span><\/b> et <\/span>Type de syst\u00e8me structurel<\/span><\/b> : \u00e0 s\u00e9lectionner pour chaque direction 1 (X) et 2 (Y).<\/span><\/span>
                  <\/span><\/li>\n

                  \n <\/span><\/div>\n<\/ol>\n

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

                    \n <\/span><\/div>\n
                  1. Facteur de comportement (R)<\/span><\/span><\/b> et <\/span>Facteur de surr\u00e9sistance (\u03a9<\/span>0<\/span><\/sub>)<\/span><\/b> sont automatiquement r\u00e9cup\u00e9r\u00e9s dans les tableaux du code sismique.<\/span><\/span>
                    <\/span><\/li>\n

                    \n <\/span><\/div>\n<\/ol>\n

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

                      \n <\/span><\/div>\n
                    1. Type de sol (param\u00e8tres du sol)<\/span><\/span><\/b> : \u00e0 s\u00e9lectionner ; tous les autres champs <\/span>Ca<\/span><\/b>, <\/span>Cv<\/span><\/b>, <\/span>To<\/span><\/b> et <\/span>Ta<\/span><\/b> seront mis \u00e0 jour. <\/span><\/span>
                      <\/span><\/li>\n

                      \n <\/span><\/div>\n<\/ol>\n

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

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

                      <\/p>\n


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

                      \n Si un <\/span>type de syst\u00e8me structurel <\/span><\/b>s\u00e9lectionn\u00e9 n’est pas autoris\u00e9 pour une <\/span>zone sismique<\/span><\/b> et une <\/span>hauteur de b\u00e2timent<\/span><\/b> donn\u00e9es, un message d’avertissement appropri\u00e9 s’affiche.<\/span>\n <\/div>\n

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

                      \n

                      Analyse
                      <\/span><\/h2>\n

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

                      \n <\/span>Voici les explications des principales donn\u00e9es de l’onglet \u201c<\/span>Analyse<\/span><\/b>\u201d :<\/span><\/span>
                      \n <\/span><\/div>\n

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

                        \n <\/span><\/div>\n
                      1. Appliquer l’excentricit\u00e9 accidentelle (5 %)<\/span><\/span><\/b> :<\/span>  <\/span><\/span>cochez pour appliquer<\/span><\/span>
                        <\/span><\/li>\n

                        \n <\/span><\/div>\n<\/ol>\n

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

                          \n <\/span><\/div>\n
                        1. Taux d’amortissement<\/span><\/span><\/b> : saisie par l’utilisateur selon le type de b\u00e2timent. En g\u00e9n\u00e9ral, 0,05 (5 %) pour une structure en b\u00e9ton et 0,02 (2 %) pour une structure en acier. <\/span><\/span>
                          <\/span><\/li>\n

                          \n <\/span><\/div>\n<\/ol>\n

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

                            \n <\/span><\/div>\n
                          1. Nombre de modes horizontaux <\/span><\/b> :  saisie par l’utilisateur (valeur recommand\u00e9e = 15<\/b>)<\/span><\/li>\n
                          2. Nombre de modes verticaux <\/span><\/b> :  saisie par l’utilisateur (valeur recommand\u00e9e = 15<\/b>)<\/span><\/li>\n
                          3. Utiliser des p\u00e9riodes d\u00e9finies par l’utilisateur dans l’analyse statique \u00e9quivalente <\/b>: cochez pour appliquer et saisissez la p\u00e9riode selon les directions X et Y<\/font><\/li>\n

                            \n <\/span><\/div>\n<\/ol>\n

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

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

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

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

                            <\/p>\n


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

                            \n <\/span>ProtaStructure v\u00e9rifie automatiquement le nombre de modes et \u00e9met un avertissement pendant l’analyse si la participation massique cumul\u00e9e n’est pas satisfaite.<\/span>
                            <\/span>
                            \n <\/span><\/div>\n

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


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

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

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

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

                              \n <\/span><\/div>\n
                            1. Type ou usage structurel<\/span><\/span><\/b> :<\/span>  <\/span><\/span><\/span>Champ statique qui appara\u00eet sur les rapports. L’utilisateur peut y \u00e9crire ce qu’il souhaite.<\/span><\/li>\n<\/ol>\n

                              Irr\u00e9gularit\u00e9s structurelles
                              <\/span><\/h2>\n

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

                              \n <\/span>Voici la liste des v\u00e9rifications d’irr\u00e9gularit\u00e9s de l’onglet \u00ab Irr\u00e9gularit\u00e9s structurelles \u00bb :<\/span><\/span>
                              \n <\/span><\/div>\n

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

                              Irr\u00e9gularit\u00e9s en plan<\/span><\/span><\/u><\/b>
                              <\/span><\/p>\n


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

                                \n <\/span><\/div>\n
                              1. Irr\u00e9gularit\u00e9 de torsion<\/span><\/span><\/b> : D\u00e9tect\u00e9e automatiquement <\/span><\/span>
                                <\/span><\/li>\n

                                \n <\/span><\/div>\n<\/ol>\n

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

                                  \n <\/span><\/div>\n
                                1. Discontinuit\u00e9 du diaphragme<\/span><\/span><\/b> : \u00c0 \u00e9valuer par l’utilisateur ; \u00e0 v\u00e9rifier si pr\u00e9sente<\/span><\/span>
                                  <\/span><\/li>\n

                                  \n <\/span><\/div>\n<\/ol>\n

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

                                    \n <\/span><\/div>\n
                                  1. Pr\u00e9sence d’angles rentrants <\/span><\/span><\/b>: \u00c0 \u00e9valuer par l’utilisateur ; \u00e0 v\u00e9rifier si pr\u00e9sents<\/span><\/span><\/li>\n<\/ol>\n
                                    \n
                                    \n \"Idea\"Le maillage de plancher avec l’option de diaphragme flexible peut \u00eatre utilis\u00e9 pour mod\u00e9liser des b\u00e2timents pr\u00e9sentant une discontinuit\u00e9 de diaphragme. Voir ici : <\/span><\/span>Mod\u00e8le de dalle<\/a><\/span><\/div>\n<\/div>\n

                                      \n <\/span><\/ol>\n

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

                                      Irr\u00e9gularit\u00e9s en \u00e9l\u00e9vation<\/span><\/span><\/u><\/b>
                                      <\/span><\/p>\n


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

                                        \n <\/span><\/div>\n
                                      1. Discontinuit\u00e9 de r\u00e9sistance lat\u00e9rale \u2013 \u00e9tage faible<\/span><\/span><\/b> : D\u00e9tect\u00e9e automatiquement<\/span><\/span>
                                        <\/span><\/li>\n

                                        \n <\/span><\/div>\n<\/ol>\n

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

                                          \n <\/span><\/div>\n
                                        1. Irr\u00e9gularit\u00e9 de raideur<\/span><\/span><\/b> : D\u00e9tect\u00e9e automatiquement<\/span><\/span>
                                          <\/span><\/li>\n

                                          \n <\/span><\/div>\n<\/ol>\n

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

                                            \n <\/span><\/div>\n
                                          1. R\u00e9partition non uniforme des masses<\/span><\/span><\/b> : D\u00e9tect\u00e9e automatiquement<\/span><\/span>
                                            <\/span><\/li>\n

                                            \n <\/span><\/div>\n<\/ol>\n

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

                                              \n <\/span><\/div>\n
                                            1. \u00c9l\u00e9ments de reprise des charges verticales discontinus<\/span><\/span><\/b> : \u00c0 \u00e9valuer par l’utilisateur ; \u00e0 v\u00e9rifier si pr\u00e9sents<\/span><\/span>
                                              <\/span><\/li>\n

                                              \n <\/span><\/div>\n<\/ol>\n

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

                                                \n <\/span><\/div>\n
                                              1. B\u00e2timent avec retraits<\/span><\/span><\/b> : \u00c0 \u00e9valuer par l’utilisateur ; \u00e0 v\u00e9rifier si pr\u00e9sents<\/span><\/span>
                                                <\/span><\/li>\n

                                                \n <\/span><\/div>\n<\/ol>\n

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

                                                  \n <\/span><\/div>\n
                                                1. Discontinuit\u00e9 dans le plan d’un \u00e9l\u00e9ment r\u00e9sistant aux forces lat\u00e9rales<\/span><\/span><\/b> : D\u00e9tect\u00e9e automatiquement<\/span><\/span>
                                                  <\/span><\/li>\n

                                                  \n <\/span><\/div>\n<\/ol>\n

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

                                                  Param\u00e8tres
                                                  <\/span><\/h2>\n

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

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

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

                                                  Voici l’explication des principaux param\u00e8tres de l’onglet \u00ab <\/span>Param\u00e8tres<\/span><\/b> \u00bb :<\/span><\/span>
                                                  <\/span><\/p>\n


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

                                                  \n <\/span>V\u00e9rifications apr\u00e8s analyse
                                                  <\/span><\/u><\/b><\/div>\n
                                                    \n
                                                  1. V\u00e9rifier le d\u00e9placement relatif entre \u00e9tages :<\/span><\/span><\/b>  <\/span><\/span>Cocher pour effectuer la v\u00e9rification selon l’art. 208.6.5.<\/span>  <\/span><\/span>La limite de d\u00e9placement par d\u00e9faut est indiqu\u00e9e dans le champ suivant
                                                    <\/span><\/span><\/li>\n
                                                  2. Utiliser un ratio limite de d\u00e9placement entre \u00e9tages d\u00e9fini par l’utilisateur<\/span><\/b> : Cocher pour remplacer manuellement le ratio par d\u00e9faut
                                                    <\/span><\/li>\n
                                                  3. V\u00e9rifier la hauteur du b\u00e2timent<\/span><\/span><\/b> :<\/span>  <\/span><\/span>Cocher pour effectuer la v\u00e9rification selon l’art. 208.4.7 <\/span><\/span>
                                                    <\/span><\/li>\n
                                                  4. V\u00e9rifier l’interaction voile-portique<\/span><\/span><\/b> : Choix laiss\u00e9 \u00e0 l’utilisateur<\/span><\/span>
                                                    <\/span><\/li>\n
                                                  5. V\u00e9rifier l’effet du second ordre<\/span><\/span><\/b> : Cocher pour prendre en compte cet effet selon la m\u00e9thode r\u00e9glementaire de l’\u00e9lancement<\/span><\/span><\/li>\n
                                                  6. V\u00e9rifier l’irr\u00e9gularit\u00e9 de r\u00e9sistance (\u00e9tage faible)<\/b> : <\/span>Choix laiss\u00e9 \u00e0 l’utilisateur
                                                    <\/span><\/li>\n
                                                  7. V\u00e9rifier l’irr\u00e9gularit\u00e9 de raideur (\u00e9tage souple<\/b>) : Choix laiss\u00e9 \u00e0 l’utilisateur<\/span><\/li>\n<\/ol>\n

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

                                                    \n <\/span>V\u00e9rifications de calcul apr\u00e8s analyse<\/span><\/u><\/b>
                                                    \n <\/span><\/div>\n

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

                                                      \n <\/span><\/div>\n
                                                    1. V\u00e9rifier poteau fort \u2013 poutre faible<\/span><\/span><\/b> :<\/span>  <\/span><\/span>Choix laiss\u00e9 \u00e0 l’utilisateur. Les poteaux et les poutres doivent d’abord \u00eatre calcul\u00e9s avant de pouvoir effectuer cette v\u00e9rification. <\/span><\/span>
                                                      <\/span><\/li>\n

                                                      \n <\/span><\/div>\n<\/ol>\n

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

                                                        \n <\/span><\/div>\n
                                                      1. Effectuer la v\u00e9rification du cisaillement de n\u0153ud<\/span><\/span><\/b> :<\/span>  <\/span><\/span>Choix laiss\u00e9 \u00e0 l’utilisateur.<\/span><\/span>
                                                        <\/span><\/li>\n

                                                        \n <\/span><\/div>\n<\/ol>\n

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

                                                          \n <\/span><\/div>\n
                                                        1. V\u00e9rifier les dimensions minimales des \u00e9l\u00e9ments<\/span><\/span><\/b> : Choix laiss\u00e9 \u00e0 l’utilisateur<\/span><\/span>
                                                          <\/span><\/li>\n

                                                          \n <\/span><\/div>\n<\/ol>\n

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

                                                            \n <\/span><\/div>\n
                                                          1. V\u00e9rifier le renversement du b\u00e2timent<\/span><\/b> : Choix laiss\u00e9 \u00e0 l’utilisateur
                                                            <\/span><\/span><\/li>\n
                                                          2. Inclure le sous-sol dans la v\u00e9rification au renversement<\/b> – L’utilisateur d\u00e9cide<\/span><\/span><\/span><\/span><\/span>
                                                            <\/span><\/li>\n

                                                            \n <\/span><\/div>\n<\/ol>\n

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

                                                            \n <\/span>Analyse par spectre de r\u00e9ponse<\/span><\/u><\/b>
                                                            \n <\/span><\/div>\n

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

                                                              \n <\/span><\/div>\n
                                                            1. V\u00e9rifier la participation de masse effective cumul\u00e9e<\/span><\/span><\/b> : <\/span> <\/span><\/span>Cocher pour v\u00e9rifier Cl 208.5.3.5.2 <\/span><\/span>
                                                              <\/span><\/li>\n

                                                              \n <\/span><\/div>\n<\/ol>\n

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

                                                                \n <\/span><\/div>\n
                                                              1. Comparer les r\u00e9sultats RSA \u00e0 la charge statique \u00e9quivalente<\/span><\/span><\/b> : Cocher pour prendre en compte Cl 208.5.3.5.4<\/span><\/span><\/li>\n
                                                              2. Utiliser un facteur d’\u00e9chelle RSA d\u00e9fini par l’utilisateu<\/b>r<\/b> : Cocher pour appliquer et saisir les facteurs<\/span><\/li>\n

                                                                \n <\/span><\/div>\n<\/ol>\n

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

                                                                  \n <\/span><\/div>\n
                                                                1. M\u00e9thode de signe des r\u00e9sultats pour RSA :  <\/span><\/b>Utiliser \u00ab Signes du mode dominant \u00bb ou \u00ab Valeur absolue \u00bb.  Consulter cet article <\/span>: <\/span>M\u00e9thode de signe des r\u00e9sultats pour l’analyse par spectre de r\u00e9ponse<\/span><\/a> <\/span><\/span><\/li>\n<\/ol>\n

                                                                  Remarques importantes \/ Port\u00e9e \/ Limites : <\/span><\/span>
                                                                  <\/span><\/h2>\n

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

                                                                    \n <\/span><\/div>\n
                                                                  1. Consulter le \u00ab <\/span>Rapport de contr\u00f4les post-analyse<\/span><\/b> \u00bb dans l’onglet \u00ab Rapports \u00bb pour les r\u00e9sultats de l’analyse sismique & la conformit\u00e9 aux clauses.<\/span><\/span>
                                                                    <\/span><\/li>\n

                                                                    \n <\/span><\/div>\n<\/ol>\n

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

                                                                      \n <\/span><\/div>\n
                                                                    1. Consulter le \u00ab <\/span>Rapport de contr\u00f4les de calcul post-analyse<\/span><\/b> \u00bb dans l’onglet \u00ab Rapports \u00bb pour des contr\u00f4les de calcul sismique sp\u00e9cifiques, tels que le contr\u00f4le \u00ab Poteau fort – Poutre faible \u00bb. <\/span><\/span>
                                                                      <\/span><\/li>\n

                                                                      \n <\/span><\/div>\n<\/ol>\n

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

                                                                        \n <\/span><\/div>\n
                                                                      1. Les spectres \u00e9lastique et de calcul sont calcul\u00e9s automatiquement.<\/span><\/span>
                                                                        <\/span><\/li>\n

                                                                        \n <\/span><\/div>\n<\/ol>\n

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

                                                                          \n <\/span><\/div>\n
                                                                        1. Le contr\u00f4le de la p\u00e9riode de vibration maximale est effectu\u00e9 automatiquement (Cl 208.5.2.2).
                                                                          <\/span><\/span><\/li>\n

                                                                          \n <\/span><\/div>\n<\/ol>\n

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

                                                                            \n <\/span><\/div>\n
                                                                          1. L’applicabilit\u00e9 de la m\u00e9thode statique \u00e9quivalente est v\u00e9rifi\u00e9e automatiquement.<\/span><\/span>
                                                                            <\/span><\/li>\n

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                                                                            1. Les r\u00e9sultats RSA sont automatiquement compar\u00e9s  \u00e0 la charge statique \u00e9quivalente conform\u00e9ment \u00e0 <\/span>Cl 208.5.3.5.4  <\/span>(si l’option est coch\u00e9e dans l’onglet <\/span>Param\u00e8tres<\/span><\/b>).<\/span><\/span><\/span> Un facteur d’\u00e9chelle est appliqu\u00e9 automatiquement si n\u00e9cessaire.
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                                                                            2. Les facteurs de surr\u00e9sistance sont appliqu\u00e9s automatiquement aux efforts de calcul.<\/span><\/span>
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                                                                              1. Si le b\u00e2timent comporte un sous-sol, une approche en deux \u00e9tapes est utilis\u00e9e pour l’analyser. Le sous-sol et la superstructure sont analys\u00e9s s\u00e9par\u00e9ment dans des cas de charge distincts, et les r\u00e9sultats sont combin\u00e9s pour le calcul. Tout ceci est effectu\u00e9 automatiquement (aucune saisie de l’utilisateur n’est requise). <\/span>
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                                                                                1. Les r\u00e9sultats des analyses en section fissur\u00e9e et non fissur\u00e9e peuvent \u00eatre combin\u00e9s dans une m\u00eame combinaison de calcul.<\/span><\/span>
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                                                                                  1. Pour le \u00ab Contr\u00f4le du cisaillement du n\u0153ud \u00bb, les cadres (\u00e9triers) ne sont pas pris en compte.<\/span><\/span>
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                                                                                  2. La m\u00e9thode CQC (Complete Quadratic Combination) est utilis\u00e9e pour combiner les r\u00e9ponses modales. Cette m\u00e9thode est sup\u00e9rieure et pr\u00e9f\u00e9rable \u00e0 la m\u00e9thode SRSS, car la SRSS est un cas particulier de la CQC. <\/span><\/li>\n<\/ol>\n

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                                                                                    \n Veuillez lire cet article<\/span> Charge sismique – Guide de base<\/span><\/a> sur la mani\u00e8re de g\u00e9n\u00e9rer la combinaison de charges sismiques et de v\u00e9rifier les r\u00e9sultats.<\/span>\n <\/div>\n

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

                                                                                    ProtaStructure peut calculer les charges sismiques conform\u00e9ment au code sismique des Philippines (NSCP2015), une adaptation de l’UBC97. Acc\u00e9dez \u00e0 la bo\u00eete de dialogue Analyse du…<\/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":[35],"whitepaper_topic":[],"whitepaper_product":[],"whitepaper_type":[],"class_list":["post-1921","wiki","type-wiki","status-publish","hentry","category-pre-analysis"],"yoast_head":"\nAnalyse sismique aux Philippines \u2013 NSCP 2015<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment r\u00e9aliser une analyse sismique conforme \u00e0 la NSCP 2015 aux Philippines avec ProtaStructure. 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