Structural elongated elements designed for load-supporting

EFIXED CONSTRUCTIONS E04Building E04CSTRUCTURAL ELEMENTS BUILDING MATERIALS

E04C3/00Structural elongated elements designed for load-supporting

E04C3/005Girders or columns that are rollable, collapsible or otherwise adjustable in length or height E04C3/02Joists Girders, trusses, or trusslike structures E04C3/04of metal E04C3/06with substantially solid E04C3/065with special adaptations for the passage of cables or conduits through the web E04C3/07at least partly of bent or otherwise deformed strip- or sheet-like material E04C3/08with apertured web E04C3/083Honeycomb girders; Girders with apertured solid web E04C3/086of the castellated type E04C3/09at least partly of bent or otherwise deformed strip- or sheet-like material E04C3/10prestressed E04C3/11with non-parallel upper and lower edges E04C3/12of wood E04C3/122Laminated E04C3/125End caps therefor E04C3/127with hollow cross section E04C3/14with substantially solid E04C3/145with special adaptations for the passage of cables or conduits through the web E04C3/16with apertured web E04C3/17with non-parallel upper and lower edges E04C3/18with metal or other reinforcements or tensioning members E04C3/185Synthetic reinforcements E04C3/20of concrete or other stone-like material E04C3/205with apertured web E04C3/22built-up by elements jointed in line E04C3/26prestressed E04C3/28of other materials not covered by groups E04C3/40 - E04C3/44 E04C3/285of glass E04C3/29built-up from parts of different material E04C3/291with apertured web E04C3/292the materials being wood and metal E04C3/293the materials being steel and concrete E04C3/294of concrete combined with a girder-like structure extending laterally outside the element E04C3/30Columns Pillars Struts E04C3/32of metal E04C3/34of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement E04C3/36of other materials not covered by groups E04C3/40 - E04C3/44 of a combination of two or more materials E04C3/38Arched girders or portal frames E04C3/40of metal E04C3/42of wood E04C3/44of concrete or other stone-like material E04C3/46of other materials not covered by groups E04C3/40 - E04C3/44 of a combination of two or more materials