Author: A. Holdsworth (Andun)
1 August 2018
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A. Holdsworth (Andun)
Many modern office towers are of steel-composite constructione. However, the lightweight nature of steel means a lower modal mass – and vibrations from active sources (e.g. footfall) need be considered carefully during the design stage. This article discusses vibration performance and mitigation based on recent experience in Singapore.
Well-designed and well-executed temporary works solutions can lead to big cost savings, while providing a safe and efficient environment for the permanent works to be built. This is particularly the case with below-ground temporary works, where there are a great many challenges to be faced by a temporary works designer.
This article explains the theory and background to backpropping and gives advice on the methods recommended to be adopted for backpropping calculations. It looks at the physics involved and how engineers and designers can mitigate damage to concrete slabs during construction.