Illinois Society of Architects · Chicago · leaf 441
s the correspondingleast 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… … STEEL insures strength and securityDUFFIN IRON COMPANY STRUCTURAL STEEL General Offices and Works: 4837-55 SO. KEDZIE AVE.Sales office: ROOM 990, 37 W. VAN BUREN ST. CHICAGO. ILL. PHONE LAFAYETTE 0732PHONE HARRISON 8813-14 33°° Tons rjj ■S^/N^ ^^ 33? * I • ■ ■> .0 HjiMt »Ji Hall,i..iw penci…
Architecture · Building · Architects
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