Republic Plaza is one of the three tallest buildings in Singapore, at 280m. Monitoring, for the purpose of tracking wind and seismic loads and developing an understanding of the structural and loading mechanisms at work in such a structure, has included

manual readings of stress and strain during and after construction,
periodic measurements of natural frequencies during construction,
recording of level 65 (building top) vibrations,
addition of wind sensors and basement accelerometers,
development of data logger for collecting response characteristics and capturing the small number of high quality waveforms,
installation of synchronised dual-rover GPS system
comprehensive ambient vibration survey
finite element model (FEM) updating

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