1. Begin by setting up the contour of the cast-in-place box girder and the bridge route design line using CAD.
2. Open Revit and create a new family by selecting the metric structural foundation family template. Then, import the CAD drawings of the box girder profile and bridge alignment design lines into Revit.
3. Switch to the reference elevation plan view. Copy the imported box girder cross-sectional view to both ends of the bridge route design line between Pier 9 and Pier 10. Rotate the cross-section so that it is perpendicular to the bridge route design line.
4. Switch to the left elevation view. Use the Move command to set the relative height difference between the two box girder contours, establishing the longitudinal slope of the box girder. Then, use the Rotate command to adjust the box girder’s cross slope.
5. Return to the reference elevation plan view, select the Layout Fusion command, and pick the bridge route design line between Piers 9 and 10 as the path for drawing.
6. Select both contour 1 and contour 2, then click OK to complete the concrete box girder structural model.
7. Using the same method, select the Hollow Layout Fusion command to create a hollow chamber inside the box girder.
8. Add materials, type names, and other relevant parameters to the box girder, then save your work.
9. Repeat the same process to create cast-in-place box girders between other bridge piers. Be sure to adjust parameters such as cross slope and elevation difference according to the specific design drawings for each span.
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