Engineering notes
Section-analysis guides and updates from fr.aime labs.
Engineering guide
Calculate EC2 crack width step by step: cracked-section steel stress, effective tension area, crack spacing and a worked example with downloadable arithmetic.
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Review thousands of concrete section load combinations: preserve companion N–My–Mz actions, separate ULS and SLS, trace governing cases and use COSA batches.
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Looking for a FAGUS alternative? Compare COSA for concrete section analysis, ULS, SLS, crack width, 3D envelopes, batch processing and reports.
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Define parametric concrete sections, generate interaction envelopes, process load combinations faster and export multi-section reports with COSA.
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Calculate reinforced-concrete N–M interaction diagrams and biaxial ULS envelopes with EC2 strain limits, stress integration and a worked example in kN and m.
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