Author: The Institution of Structural Engineers
1 August 2013
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The Institution of Structural Engineers
The purpose of a pad foundation is to spread a concentrated force into soil. They are one of the most simple and cost effective types of footing for structures, and are the preferred solution for foundations due to the straightforward nature of their design and construction. Updated in October 2016.
Dead loads (permanent actions) are defined as the weight of static materials contained with a structure. This includes the self weight of the structure as well as the fixed materials it is supporting.
When designing foundations (from a simple pad footing to a pile cap) there is a need to determine the soil's bearing capacity. This note explains the principles of how this is determined, and how it impacts on foundation design.