Page 117 - Civil Engineering Formulas

(Beams supported at both ends; allowable fiber stress for steel, 16,000 lb/in 2 (1.127 kgf/cm 2 ) (basis of table) for iron, reduce values given in table
Approximate Safe Loads in Pounds (kgf) on Steel Beams* (Percoyd Iron Works)
Greatest safe load, lb † Deflection, in † Load distributed Load in middle Load distributed Load in middle wL 3 wL 3 1,780AD 890AD 52AD 2 32AD 2 L L wL 3 wL 3 ad) 1,780(AD ad) 890(AD ad 2 ) 52(AD 2 ad 2 ) 32(AD 2 L L wL 3 wL 3 1,333AD

TABLE 2.2 by one-eighth) Shape of section Solid rectangle Hollow rectangle Solid cylinder Hollow cylinder Even-legged angle or tee Channel or Z-bar Deck beam I-beam distance between supports, ft (m); *L interior depth, in (cm); w d

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