This was a bridge of an unusual design and was being constructed in an unusual manner. The main 53m pre-stressed pre-cast concrete span truss was in position when cracks appeared at a node and over a period of almost three weeks they visibly worsened until collapse occurred.
Concerns regarding metal plate-connected wood trusses in light-commercial construction when subject to net uplift.
A tenant's structural engineer discovers widespread design and related quality problems on a mandatory seismic retrofit project.
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