Illinois Society of Architects · Chicago · leaf 426
ingleast radius of gyration of the section,both in inches. For main compression members, theratio l/r shall not exceed 120, and forbracing and other secondary members,200. (c) Bending: On extreme fibres ofrolled shapes, and built up sections,net section, if lateral deflection is prevented 18,000… … a \- Wliilo, Anliil.Ml^ 8500 Tons MrCLiNTir -Marsil\ll r<>MPAN\ vSteei. Bh idge s , Bi:iLi>iNc w vS, E tc . FIRST NATIONAL BANK BUILDINGCHICAGO i;;(i The laterally unsupported length ofbeams and girders shall not exceed40 tunes b the width of the compres-sion flange. On extreme fibres of…
Architecture · Building · Architects
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