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# Tag Archives: elastic analysis

## Evaluating text with units and finding the neutral axis

A few weeks ago a comment asked for guidance on finding the moment capacity of a reinforced concrete section. This post will look at finding the depth of the neutral axis (NA) in a rectangular section, with a single layer of … Continue reading

Posted in Beam Bending, Concrete, Excel, Maths, Newton, UDFs, VBA
Tagged depth of neutral axis, elastic analysis, EvalU, evaluate text strings, evaluate units, Excel, Reinforced Concrete, UDF, ULS analyis, unit aware, VBA
2 Comments

## Using Beam Design Functions

“Beam Design Functions” is an Excel spreadsheet providing a User Defined Function (UDF) that will calculate the stresses, strains, forces and moments in a reinforced or prestressed concrete section subject to any specified bending moment and axial load, using an … Continue reading

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA
Tagged Beam Bending, elastic analysis, Excel, Prestressed concrete, Reinforced Concrete, Section Analysis, UDF, VBA
12 Comments

## Analysis of RC circular sections – theory and code

The basic tasks involved in analysing the stresses and strains in a reinforced concrete section under combined bending and axial load are: Assuming a horizontal beam with the top of the beam in compression and the bottom in tension Find … Continue reading

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA
Tagged Brents method, circular section, elastic analysis, Excel, Reinforced Concrete, UDF, VBA
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## Reinforced concrete elastic analysis; Circular section

Previous posts have presented the theoretical background to finding stresses and strains in a reinforced concrete section built up of trapezoidal layers and subject to combined bending and axial loads. A spreadsheet with User Defined Functions (UDFs) and open source code … Continue reading

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA
Tagged Beam Bending, circular section, elastic analysis, Excel, Reinforced Concrete, UDF, VBA
1 Comment