Architectural engineering. With special reference to high building construction, including many examples of Chicago office buildings (1895)
Freitag, Joseph Kendall · New York, J. Wiley & sons; [etc., etc.] · leaf 75
manufacture of fire-proofing ma-terial must be of a refractory nature—as plastic fire-clay,semi-fire-clay, or fire-clay mixed with plastic clay or shale.But few clays have been found that are practicable of 56 ARCHITECTURAL ENGINEERING. manufacture into a floor of the required strength, and… … i Fig. 25. Montauk Building, Chicago (1881). The latter may be saidto have been the first building of modern design in Chicago.The arches were 6 inches deep, with a span of 3 to 4 feet.But as these forms still left the lower flanges of the I beamsunprotected, they were soon superseded by the type…
Building, Iron and steel
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