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Abstract: Major rapid transit projects are planned to be built across the Greater Toronto and Hamilton Region in Canada. The plan is part of The Big Move (Metrolinx 2008) a 25-year, $50 billion plan that will improve regional transportation. Metrolinx, an agency of the Government of Ontario, is now working collaboratively across the region to deliver major Toronto rapid transit projects.
Abstract: 6000mm diameter tunnel is proposed to be excavated under the road bridge using Earth Pressure Balance (EPB) technology. The effect of tunnel construction on the foundations of the bridge is evaluated for the most critical cases. Three-Dimensional (3D) Finite Element (FE) software, DIANA, is used to simulate the staged construction of the tunnel and potential ground loss. In summary the analysis...