Category Archives: VBA

RC Design Functions 9.09

Posted on 12/03/2025 by dougaj4

The RC Design Functions spreadsheet has had two further recent revisions: 9.08 21-Feb-25 CircUPF EC2 parameters corrected to allow variation of reduction factors for steel and rectangular stress block factors.9.09 6-Mar-25 Calculation of depth NA amended in UMomPF for NA … Continue reading →

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA | Tagged , , , , , , | Leave a comment

3DFrame-NLGeom

Posted on 13/02/2025 by dougaj4

The VBA version of the 3DFrame spreadsheet has now been updated to allow geometric non-linear effects to be included. The new version can be downloaded from: 3DFrame.zip For more details of the VBA 3DFrame see 3DFrame update, and for the … Continue reading →

Posted in Beam Bending, Excel, Finite Element Analysis, Frame Analysis, Newton, Strand7, VBA | Tagged , , , , , | 3 Comments

RC Design Functions 9.07

Posted on 08/02/2025 by dougaj4

The UMomPF function performs ultimate load analysis for codes using the partial factor approach, including Eurocode 2. The input for Eurocode 2 includes an optional table allowing alternative values to be input for various parameters, including stress reduction factors, and … Continue reading →

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA | Tagged , , , , , , | 1 Comment

Biaxial bending update 2

Posted on 13/12/2024 by dougaj4

It was recently reported that the VBA version of the biaxial bending spreadsheet was returning incorrect results when the neutral axis was exactly parallel to the Y axis. This problem has now been fixed, and the revised spreadsheet can be … Continue reading →

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA | Tagged , , , , , , , , | 5 Comments

Continuous beam analysis from first principles

Posted on 22/09/2024 by dougaj4

This post was prompted by an Eng-Tips question: Statically Indeterminant Beam Problem, asking for reactions due to a triangular distributed load on the middle span of a continuous beam with 3 equal simply supported spans. This could be simply solved … Continue reading →

Posted in Beam Bending, Excel, Finite Element Analysis, Frame Analysis, Link to Python, Newton, PyXLL, UDFs, VBA | Tagged , , , | 3 Comments