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- W645690123 abstract "A DESCRIPTION IS GIVEN OF 22 METAL BRIDGES RECENTLY BUILT OR BEING BUILT. THE AIM OF THE ARTICLE IS TO POINT OUT THE GUIDELINES USED IN THE PLANS AND CONSTRUCTION OF THESE LARGE SPAN STRUCTURES. (UP TO 1500M) AND TO INDICATE FUTURE TRENDS IN THIS TYPE OF CONSTRUCTION. STATISTICAL DATA OBTAINED IN 1968 SHOW THAT BEFORE THAT DATE 26 PERCENT OF BRIDGES IN GERMANY WERE METAL BRIDGES. FOR SPANS EXCEEDING 100M, THE PERCENTAGE OF METAL BRIDGES ON HIGHWAYS IN THE GERMAN FEDERAL REPUBLIC IS APPROXIMATELY 77 PERCENT. A STUDY IS MADE OF THE INFLUENCE OF CONSTRUCTION COST ON THE SHAPE OF THE BRIDGE, OF NEW MATERIALS AND SHAPES, HIGH-STRENGTH STEEL, AND ORTHOTROPIC SLABS. SPECIFICATIONS FOR COMPOSITE-BEAM HIGHWAY BRIDGES WERE PUBLISHED IN 1969 AND PROFESSOR TROST DEVELOPED A CALCULATION METHOD FOR THESE STEEL-CONCRETE BRIDGES. STAYED GIRDER BRIDGES HAVE PROVED ECONOMICAL FOR SPANS BETWEEN 150M AND 600M SEVERAL ARE DESCRIBED. DETAILS ARE ALSO GIVEN OF SUSPENSION BRIDGES, THE SPANS OF WHICH CAN REACH 1500M, STRAIGHT GIRDER, CANTILEVER AND BRIDGES. MERKBLATT 444 DEALS WITH ELEVATED ROADS, MERKBLATT 380 WITH METAL HIGHWAY BRIDGES IN GENERAL." @default.
- W645690123 created "2016-06-24" @default.
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- W645690123 date "1971-05-01" @default.
- W645690123 modified "2023-09-27" @default.
- W645690123 title "LARGE-SPAN METAL BRIDGES. STATE OF THE ART AND FUTURE TRENDS" @default.
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