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Drumrane ps Dungiven

Truss bridges

7th Feb 2017

A truss bridge is created when triangular structures are added to a simple beam bridge. The triangles or trusses make the beam bridge much stronger and can span greater distances. We watched a video about the longest truss bridge in India. It is a rail road bridge which spans overnight the Ganges. We then constructed our own truss bridge using kapla.  We found it very difficult to get the kapla to balance in a triangular shape and discovered that it was much easier when you added a central support.