In the AISC 360 – 14th Ed. C2.2, the direct analysis method requires initial imperfections to be taken into consideration. The important imperfection of recognition is column out-of-plumbness. According to C2.2a, the direct modeling of imperfections is one method to account for the effect of initial imperfections. However, in many situations, the expected displacements may not be known or easily predicted.
El programa de propiedades de secciones SHAPE-THIN proporciona opciones convenientes para configurar gráficamente las armaduras de la sección. Bei der Modellierung von Flachstahl-Ergänzungen ist nur eine Regel zu beachten: Die Länge des Element muss größer sein als die Breite.