Author: A. Holdsworth (Andun)
1 August 2018
First published: 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.
A structure in its permanent state cannot be ‘wished into place’. Appropriate consideration must be given to construction methodology so that permanent works can be optimised, temporary works minimised and trade interfaces simplified. This article presents a list of general, high-level considerations that relate to construction methodology and optimisation of temporary/permanent works, with a number of examples provided.
Falsework is defined in BS 5975 as a temporary structure used to support a permanent structure while it is not self supporting. This article focuses on the use of proprietary equipment for the support of fresh concrete to horizontal surfaces. The principles and methods described are broadly applicable to all falsework.