Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 364
=« ^ ^^, H S S5fe &. ROOF TRUSSES 83 will depend upon the capacity and span of the crane, and also uponthe distance apart of the wheels at its ends. Where the bendingmoment is not too great, the runway girders may be composed ofchannels or I-beams (see Figs. 103, 104, and 106). In case… … Fig. 109. Wall Jlb-Crane, Electrically Operated; Capacity, 10,000 Lbs.Courtesy of Pawling & Ilarnischfeger, Milwaukee, Wisconsin. Plate-girders consist of a flat plate called a web plate, which hasriveted to it at its upper and lower edges two angles, or two anglesand one plate, called the…
Architecture · Building
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