All foundations should be designed so that the soil safely resists the actions applied to the structure. The design of any foundation consists of two components; the geotechnical design and the structural design of the foundation itself. However, for some foundations (e.g. flexible rafts) the effect of the interaction between the soil and structure may be critical and must also be considered. Geotechnical design is covered by Eurocode 71, which supersedes several current British Standards including BS 59302, BS 80023 and BS 80044. The new Eurocode marks a significant change in geotechnical design in that limit state principles are used throughout and this should ensure consistency between the Eurocodes. There are two parts to Eurocode 7, Part 1: General rules and Part 2: Ground investigation and testing. Guidance on the design of retaining walls can be found in Chapter 9.

The essential features of Eurocode 7, Part 1 relating to foundation design are discussed in this chapter. It should be emphasised that this publication covers only the design of simple foundations, which are a small part of the scope of Eurocode 7. Therefore it should not be relied on for general guidance on this Eurocode. At the time of writing it is anticipated that the National Annex (NA) for Part 1 will be published in July 2007.

This chapter is taken from The Concrete Centre's publication, How to design concrete structures using Eurocode 2 (Ref. CCIP-006)
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