One step forward, one step back?
In an effort to prevent deadly accidents like the collapse of the I-35 bridge in Minneapolis in 2007, a project led by the University of Michigan is developing various sensing systems that will eventually lead to the development of "smart bridges." Most bridge monitoring today is done visually. Unfortunately, this type of human inspection is often unable to determine the structural health of a bridge with regards to the effects of corrosion, heavy loads, or vibrations on the structure over time.
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