A course on the stresses in bridge and roof trusses, arched ribs and suspension bridges (1904)
Burr, William H. (William Hubert), 1861-1934 · New York : Wiley · leaf 475
square inchof section from the two :o inch 50pound channels. Hence theremaining net section of our nine square inches is more thansufficient to carry the total floor-beam load at all points. Upper Lateral System. A wind pressure of 150 pounds per lineal foot will be takenas acting in the horizontal… … Fig. 12. The secant of the inclination of T-^ to a horizontal linenormal to the axis of the bridge is 1.57, and 3,083 x 1.57 —4,848 pounds. The wind load in the upper chord is a fixed one. The lineah is the centre of the span. The following stresses may now be written, rememberingthat as the…
Trusses · Bridges
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