E04C3/00—Structural elongated elements designed for load-supporting
E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
E04C3/22—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members built-up by elements jointed in line
Element nervure et dalle composee de tels elements ainsi que le procede de fabrication de ces elements et les moyens en vue de la mise en oeuvre de ce procede
Procédé de traitement de ponts thermiques, élément d'isolation thermique et élément de liaison structurelle associés et prédalle équipée de tels éléments