STRAP engineering software for the
structural,civil and bridge engineering
Composite Sections

Composite floor beams - geometry with rendering
Composite beams - example
Composite beam design includes the following features:
  • Design of the following sections: I, E, box section with and without steel flange.
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  • Selection of optimal sections for a given slab thickness.
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  • Calculation of shear studs required
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  • Partial shear connection
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  • Design for wet concrete condition
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  • Calculation of short term and long term deflections
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  • Options to account for negative moment reinforcement 
For more on steel design, see also: light gauge and sway optimization.

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