Author: The Institution of Structural Engineers
2 July 2012
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The Institution of Structural Engineers
Access more Technical Guidance Notes through our series homepage .
Once the concept and scheme for a structure has been settled upon, the initial sizing of the elements that it is made up of commences. This Technical Guidance Note provides a set of hints as to how to initially size elements, prior to carrying out the detailed design. This process allows the engineer to gain an appreciation of the form of the structure and the changes that may be required if element sizes prove to be too onerous following this size estimation process. Access more Technical Guidance Notes through our series homepage .
This Technical Guidance Note is an introduction to the assessment of floor vibrations. Since the adventof lighter structures that have longer spanning elements within them, the built in dampening effectbuildings have had historically has become less pronounced. Despite this, floor vibration canbe an overlooked criterion during the design process. This can lead to expensive remedial works being carried out on structures after they have been built, as occupants complain of discomfort due to excessive movements and vibrations. (This article was updated in October 2016 to reflect errata issued since its original publication.)
This Technical Guidance Note focuses on the visualisation of structures. It is essential for structural engineers to be able to express their ideas clearly through their designs. Visualising structures in the appropriate way enhances the design process - not least because drawing the complex elements of a structure while carrying out calculations, can help to identify possible construction issues/problems at an earlier stage than may otherwise be possible. This guide explains two techniques that are commonly used to draw in three dimensions and thus aid the structural engineer in visualising the structures they design.All of the guides in this series have an icon based navigation system, designed to aid the reader.