Watergate Bridge Case Study Arch pro?le investigations Linear and nonlinear buckling analysis Global modelling of structure and local modelling of connections The new Watergate Bridge across the River Boyne in Trim, County Meath, in the Republic of Ireland is a low rise, parabolic arch road bridge with cantilevered pedestrian walkways. The designers, Roughan & O’Donovan, used LUSAS Bridge to assist with all aspects of its analysis including the preliminary design and selection of the structural form, linear and geometric nonlinear buckling analysis of the superstructure, and also for local analysisof selected complex fabricated connections. Overview The new bridge spans 35m and comprises tapering pentagonal arch chord sections with pairs of Macalloy hanger bars connecting to Universal Beam

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