Caption: Semiactive damping system for stayed cables used in the construction of bridges. The aim is to reduce bridge oscillations to a minimum.
On the desk of the US President, Barack Obama, lies a study prepared by the Information Technology & Innovation Foundation (ITIF). It contains a proposal for investing 30 billion US dollars in the digital infrastructure of the USA, which it maintains could create one million jobs within a year. Sections of this economic booster package cover, for instance, intelligent power networks and Structural Health Monitoring» (SHM). The latter is a technique for collecting and analyzing information on the functional integrity of buildings and civil engineering structures, with the aim of identifying damage such as cracks or excessive deformation, so that countermeasures can be instituted before a catastrophic failure of the structure occurs.
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