Backbone M-Īø for Flush Endplate Connections

Column stiffeners

Load type only affects the ANN model (it has no effect on MVLR). "Column stiffeners" is interpreted differently by each model, matching each one's own source code.

Column
Beam
End-plate
Bolts

Lengths in mm, stresses in MPa. fu for the column and fy for the beam are shown for reference — the MVLR model doesn't use them. To use a different section table:

Connection geometry & assembly

Member lengths and the intermediate row spacing for the 6-bolt layout are schematic. Section dimensions, end-plate edges and bolt gauge follow the inputs.

About: Flush endplate connection model

What this tool does

Predicts the moment–rotation (M-Īø) backbone of flush endplate beam-to-column connections using the MVLR model (Ding and Elkady, 2025) or the ANN model (Georgiou and Elkady, 2024). You can save each plot as PNG or SVG and the curve data as CSV.

Author and contact

Developed by Dr Ahmed Elkady, University of Southampton. Email: a.elkady@soton.ac.uk Ā· Homepage

How to cite

Disclaimer

These tools are provided for research and educational purposes only, without warranty of any kind. The predictions are estimates from the cited models and are only as reliable as those models within their validity ranges. Results should be checked independently by a qualified engineer before being used in design or assessment.

Ā© 2026 Ahmed Elkady, University of Southampton. All rights reserved.