Author: The Institution of Structural Engineers
1 February 2012
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The Institution of Structural Engineers
Imposed load is defined as the load that is applied to the structure that is not permanent and can be variable. In Eurocode phraseology, it is described as a 'quasi-permanent variable action'. Please be aware that this note does not cover lateral loads onto barriers, balustrades and axle loads from vehicles. These will be covered in a forthcoming note. (This article was updated in October 2016 to reflect errata issued since its original publication.)
This Technical Guidance Note defines the concept of fatigue and how its effects can be countered.
This Technical Guidance Note describes the concept of biaxial bending of columns, as well as the effect direct bending has on column design. The guidance given here can be applied to columns made from any material, be it steel, concrete, timber or even glass.