Illinois Society of Architects · Chicago · leaf 403
acing 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 Uhen the unsupported length I ex-ceeds 15 times b. the width of thecompression flang-e, the stress inpounds per sq. in. in the latter… … Behlen lloM, ChicagoIkii)stein & Co.. Architects Cut above shows how we erectthe stairs as fast as the struc-tural steel is erected. Cut on right shows same stairin detail. Note how platform is supportedfrom beam above. PRESTEEL STAIRWAYS Made to suit any building orcondition. We furnish and…
Architecture · Building · Architects
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