A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is
At the end of the 19th and the beginning of the 20th century many of steel truss girder bridgesfor large spans, were conceived as semi parabolic truss girders. Some of these structures are still in operation on the railway network, or isolated as highway bridges. The live loads increased in time; for the railway bridges in present the UIC 71 convoy and for highway bridges the EC 1 loads are required. The ratio between the dead load (which remained the same) and the live load (which increased),doi:10.14415/konferencijagfs2017.002 fatcat:x5zsl3xhanhwfnbjsn2bvhmkre