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# Tag Archives: Combined bending and axial load

## RCInteract and RC Design Functions 7.03

Since the previous post, I have updated the notes in the RC Design Functions spreadsheet to reflect the fact that with the recent update to the Bridge Design Code (AS 5100) the reinforced concrete strength design requirements for beam bending … Continue reading

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA
Tagged ACI318, AS3600, AS5100, Combined bending and axial load, Eurocode2, Excel, Interaction Diagram, RC Design Functions, Reinforced Concrete, UDF, VBA
16 Comments

## Faster Biaxial Bending

The spreadsheet to calculate ultimate moment capacity of a reinforced or prestressed concrete section under combined axial load and biaxial bending, last presented here, has been updated to use the QuadBrent solver, rather than the Excel Goal Seek function, for … Continue reading

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA
Tagged biaxial bending, Brents method, Combined bending and axial load, Excel, Prestressed concrete, Reinforced Concrete, UDF, ultimate moment capacity, VBA
1 Comment

## Reinforced Concrete – ULS capacity under combined axial load and biaxial bending

I have modified the ULS Design Functions spreadsheet, last presented here, to analyse sections subject to bi-axial bending, and non-symmetrical sections. The new version makes use of the routines for splitting any section defined by XY coordinates into trapezoidal layers, described … Continue reading

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA
Tagged biaxial bending, Combined bending and axial load, Excel, Prestressed concrete, Reinforced Concrete, UDF, VBA
13 Comments

## Using RC Design Functions 4 – Umom and new MaxAx function

Previous post in this series. Download latest version of RC Design Functions6. Previous posts in this series have looked at elastic design functions. We now move on to functions for ultimate limit state (ULS) analysis of reinforced concrete sections: UMom: … Continue reading

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA
Tagged ACI 318, AS 3600, AS 5100, BS 5400, BS 8110, Combined bending and axial load, EC 2, Excel, slender columns, UDF, ULS Analysis, VBA
6 Comments