Interactive Microcomputer Analysis and Design of Light Gage Steel Roof Systemsby M. Yener, Univ of Louisville, Louisville, KY, USA,
T. E. Fenske, Univ of Louisville, Louisville, KY, USA,
Abstract: A hinderance to the widespread acceptance of the cold-formed steel roof Z-purlin in conventionally engineered buildings is due to the lack of a useful and efficient analysis and design method. In this paper, the authors outline a methodology suitable for computer implementation, the purpose of which is to provide such a tool. The detailed program description and a sample program execution are presented. To implement the design procedure, the maximum deflection and the maximum moment required to be resisted by the roof system need to be determined. These are evaluated in the computer program based upon member stiffness of the composite section. Furthermore, evaluation of axial load capacity is required to be examined since, under the condition of transverse wind loading, the Z-purlin occasionally carries axial loads.
Subject Headings: Computer aided design | Computer analysis | Axial loads | Roofs | Load bearing capacity | Wind loads | Transverse loads
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