Author: The Institution of Structural Engineers
26 October 2012
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The Institution of Structural Engineers
(This article was updated in October 2016 to reflect errata issued since its original publication.)
When designing foundations for a structure there is a need to determine the bearing capacity of the soil. This applies to all forms of foundation, from a simple pad footing to a pile cap. The bearing stress capacity of the soil is the key variable that has a direct impact on the form and size of foundations. This Technical Guidance Note explains the principles of how bearing capacity of soils are determined and how it impacts on the design of foundations.
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.