Illinois Society of Architects · Chicago · leaf 446
and ;■ is the correspondingleast radius of gyration of the section,both in inches. For main compression members, theratio l/r shall not exceed 120, and forItracing and other secondary members,200. (c) Bending-: On extreme fibres ofrolled shapes, and built up sections,net section, if lateral… … InsinaiKi Ivxilijiiyr. ( li Ci^ihiiiii. \ii(l(r-.Mi, Ilnb^t \- \Vhilc, Aicliiticl> 13500 Tons \f( CLIINTir-MAKSTIALL COMPANYSteel J3HIl>GES,BuILl>I^c;vS,ETc. FIRST NATIONAL BANK BlILDINCClIICACO 4 1(3 The laterally unsupported length ofbeams and girders shall not exceed40 times b the width…
Architecture · Building · Architects
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