# Tag Archives: Prestressed concrete

## ULS Design Functions – Python version

I have now converted my ULS Design Functions spreadsheet (last presented here) to Python. The new spreadsheet and open source Python code can be downloaded from: py_ULS Design Functions The spreadsheet has the same functionality as the VBA version, providing … Continue reading

## Composite Beam Spreadsheet Update 1.01

Following a comment here, I have modified the Composite Beam spreadsheet to correct the stage 1 stresses forces in the reinforcement as listed in Columns 6 and 7, when the tensile face is the top.  The output has also been … Continue reading

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA | | 3 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 | | 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 | | 13 Comments

## Concrete ULS spreadsheet update

The ULS Design Functions spreadsheet has been updated with the addition of provision for the Eurocode 2 rectangular stress block.  The new spreadsheet can be downloaded from:  ULS Design Functions.zip (including full open-source code). For more details see: ULS Analysis … Continue reading

Posted in Concrete, Excel, Newton, UDFs, VBA | | 10 Comments