High-rise buildings concrete column SHM Client CPG Laboratories Pte Ltd Challenge To provide a structural health monitoring function to high-rise residential buildings in Singapore by measurement of compression loads within concrete supporting pillars. Resolution SmartBar, optical ?bre sensors embedded within 2m concrete reinforcement bars were strapped to the column rebar cages prior to concrete pouring. The sensors were accessed by ?bre optic cables through a junction box assembly embedded within the concrete. Data was collected to monitor the internal strains during concrete curing and then the build up of loading on the supporting pillars during the various stages of construction. The plot shows nine columns of one typical block during the ?rst 12 months of construction. Throug

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