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A platform for research: civil engineering, architecture and urbanism
Two new, continuous, box-girder spans cross Schuylkill River at historic Upper Ferry in Philadelphia, Pa; floating bridges, timber arch, wire bridge and steel truss have spanned river at site since 1776; alternative designs in prestressed concrete and steel, planned to same general dimensions, resulted in slightly lower bids than submitted for steel structures.
Two new, continuous, box-girder spans cross Schuylkill River at historic Upper Ferry in Philadelphia, Pa; floating bridges, timber arch, wire bridge and steel truss have spanned river at site since 1776; alternative designs in prestressed concrete and steel, planned to same general dimensions, resulted in slightly lower bids than submitted for steel structures.
Welded box girders span Schuylkill river
Civ Eng (NY)
Neiman, L. (author)
1967
5 pages
Article (Journal)
English
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