Transcription of Foundation Manual Chapter4, Footing Foundations
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CHAPTER 4 OCTOBER 2015 CHAPTER 4 Footing Foundations 4-1 Introduction Footing Foundations , also known as spread, combined, or mat footings , transmit design loads into the underlying soil mass through direct contact with the soil immediately beneath the Footing . In contrast, pile-supported Foundations transmit design loads into the adjacent soil mass through pile friction, end bearing, or both.
Each individual footing foundation must be sized so that the maximum soil-bearing pressure does not exceed the allowable soil bearing capacity of the underlying soil mass. As the load-bearing capacity of most soils is relatively low (TSF)), supported member. This is particularly true when the supported member is a bridge column.
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