Tag Archives: UDF

Reinforced Concrete Moment-Curvature – 2; Shrinkage and Creep

The previous post in this series provided an Excel User Defined Function (UDF) to find  the short term curvature of a reinforced concrete section subject to combined bending and axial load.  In this post UDFs will be presented to determine the strain … Continue reading

Posted in Concrete, Excel, Newton, UDFs, VBA | Tagged , , , , , , , | 4 Comments

Reinforced Concrete Section Analysis – with prestress

The simplified reinforced concrete section analysis spreadsheet presented here has been revised to allow the input of a pre-tension stress to either or both layers of reinforcement.  The spreadsheet (including full open source code) can be downloaded from RC Design Functions5. Note … Continue reading

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

Three UDFs

This post is in response to recent discussions at Daily-Dose-of-Excel where many and various worksheet formulas have been suggested to carry out tasks that are (it seems to me) better done with a simple User Defined Function (UDF): Adding Every … Continue reading

Posted in Excel, UDFs, VBA | Tagged , , , , , | 8 Comments

LatPile – Analysis of Lateral Loads on Piles

This post presents an Excel User Defined Function (UDF) to carry out the analysis of vertical piles subject to horizontal loads, using the same approach as employed in the DOS program COM624. A spreadsheet including the UDF and an on-spreadsheet … Continue reading

Posted in Beam Bending, Excel, Geotechnical Engineering, Newton, UDFs, VBA | Tagged , , , , , | 11 Comments

Evaluating Polynomial Functions

A polynomial function is a function of the form: a + b*x + c*x^2 + d*x^3 … and the derivative (the slope of the line at point x) of this function is given by: b + 2c*x + 3d*x^2 … … Continue reading

Posted in Excel, Maths, UDFs, VBA | Tagged , , , , | 5 Comments