Abstract
<p>In this paper, the design parameters of prestressed concrete continuous girder bridge of the frequently used high-speed railway with the ballasted track and non-ballasted track has been studied. Then, the design conditions of high-speed railway prestressed concrete continuous girder bridges with the ballasted track and the non-ballasted track has been discussed, including secondary permanent loads, temperature mode, the control of stress level, the choice of strength safety factor, elastic deformation under live load and temperature load and the controlled factors of</p><p>post-construction creep in non-ballast track beams. Next, based on the study of high-speed railway continuous prestressed concrete bridge with the main span of 56m, 64m, 72m, 80m and 100m, design parameters and the main influential factors of the prestressed concrete continuous girder bridge has been studied. So, these results could provide a basis for the selection comparison and economics of continuous girder bridge in the future.</p>
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