SW-2 Introduction to Prestressed Girder Design with LEAP Bridge ...

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Analyze the SuperstructureAnalyze the SuperstructureThe following steps will guide you through the process of analyzing the superstructure basedon the loads supplied in the previous section. Exercise: Apply dead and live loads to the structure1. Select the Analysis tab.2. Select Analysis Factors… to review the current values for load distribution, load factorsand modifiers.3. OK the Analysis Factors dialog.4. Select Run Analysis... . Review the analysis values for the various spans, beams andlimit states.5. Select the Diagram icon to view the results graphically.Introduction to Prestressed Girder Design 10 Oct-09Copyright © 2009 Bentley Systems, Incorporated
Beam DesignBeam DesignThis exercise will walk through the process of designing the reinforcing strands and rebarwithin a beam. Exercise: Design a beam and use as the template for the remaining beams.1. Select the Beam tab.2. Set the Span to 02 and Beam to 1.3. Select Strand Pattern… to design the strands.4. Select Auto Design to perform an initial design.5. Review the resulting design status. The only failure is in the deck (Topping-top).6. Copy this pattern to all other beams in all spans. OK the strand pattern dialog.7. Select Rebar Pattern… . In the Auto Design section of the dialog, set the Size to US#4[M13] and the Legs value to 4. Select Auto Design… .8. Modify the Start and End distances to round values of feet. Review the Graph. Copythe resulting reinforcing too all beams in all spans.Oct-09 11 Introduction to Prestressed Girder DesignCopyright © 2009 Bentley Systems, Incorporated
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Page 5: Create Bridge with ABC Wizard5. The
Page 8 and 9: Apply LRFD Loads to the StructureAp
Page 12 and 13: Export Drawings to MicroStationExpo
Page 14 and 15: Appendix A: Program Capabilities•
Page 16 and 17: Appendix A: Program Capabilities•
Page 18: Appendix B: Program BoundariesAppen

SW-2 Introduction to Prestressed Girder Design with LEAP Bridge ...

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