ELONGATED STRUCTURES AND RELATED ASSEMBLIES

摘要

An elongated structure comprising a web (65) extending along a length of the elongated structure and a top flange (70) comprising a first flange portion (175), the first flange portion (175) extending away from an area of the web (65). The first top flange portion (175) comprises a variable width along at least a portion of the length of the elongated structure. The first top flange portion (175) of the elongated structure may comprise the variable width the length of the elongate structure. The first top flange portion (175) may comprise a constant width along at least a portion of the length of the elongated structure. The elongated structure may further comprise a second top flange portion (80). The second top flange portion (80) may comprise a variable width along at least a portion of the length of the elongate structure.