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August 2016

Building a Large Curved Trestle on a Grade – Part 5

Part 5 – Building the Beam Assemblies The Beam Assemblies There are two beam assemblies each made of eight 3/8” x 1½” beams spaced equally with angled braces as shown in Figure 1. These rest on short bents attached to a full-height bent. Bents #8 and #12 rest on these beams. Two additional beams run […]