Calculate the required thickness and plan dimensions of a base plate for a steel I-section column in axial compression, according to Eurocode 3.
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The Steel Base Plate to Eurocode 3 calculator designs a steel base plate for a steel I-section column in axial compression. It computes the required thickness and plan dimensions of a base plate.
All calculations are performed in accordance with BS-EN-1993-1-8:2005 Eurocode 3: Design of steel structures - Part 1-8: Design of joints, which is part of the code series known as "EC3" or "Eurocode 3".
What is the design approach in Eurocode 3 for base plates?
The actual distribution of pressure beneath a base plate is quite complex. EN 1993-1-8:2005 clause 6.2.5 and 6.2.8 presents a simplified approach. It assumes a uniform distribution of pressure beneath an effective area of the base plate known as the "equivalent T-stub in compression". The required check is that the applied compressive stress on this effective area does not exceed the bearing strength of the concrete support.
What factors influence the required thickness of a base plate?
The minimum required thickness of a steel base plate is influenced by the bearing strength of the concrete support, the base plate yield strength and a dimension known as the "additional bearing width" that represents the extent of the T-stubs.
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