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Foundations transfer loads from the superstructure to the underlying soil or rock, ensuring stability and preventing settlement. Understanding soil properties, foundation types, bearing capacity calculations, and settlement methods is crucial for civil engineers to design safe, stable, and cost-effective foundations.

Foundations

Eurocode 7 (EN 1997-1: Geotechnical Design – Part 1: General Rules) provides comprehensive guidelines for designing shallow and deep foundations, emphasising safety, reliability, and environmental compatibility.

Figure 12. Different types of foundations.

The types of foundations are broadly categorised into:

  1. Shallow Foundations: Spread footings and raft (or mat) foundations
  2. Deep Foundations: Pile foundations and drilled shafts (caissons)

The selection depends on factors such as load magnitude, soil conditions, and site constraints.

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