San Francisco : Architect and Engineer, Inc · leaf 26
laced on thealuminum falsework in figure #5. On some of thespans that are higher, the individual truss sections arehoisted into place by use of a double boom travelerthat was designed and fabricated for this specific job. Figure #4 shows the first truss span erected by useof aluminum falsework… … JANUARY, 1955 RICHMOND-SAN RAFAEL BRIDGE . history. The only larger applications, tonnage-wise,are the arc-type bridge in Canada and the AlcoaBuilding in Pittsburgh. Channels up to twelve inches, plate up to three-quarters of an inch, and angles to five-eighths of aninch were rolled at Alcoas…
Architecture · Building
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