Category Archives: Concrete

Durability of Concrete Structures

Posted on 07/11/2014 by dougaj4

Don’t put yourself or your concrete assets at risk. Designing and constructing for durability is one of the most important aspects of any construction program. However, requirements for concrete durability are extremely fragmented in Australia. These conflicting requirements put designers, … Continue reading →

Posted in Concrete, Newton | Tagged , , | Leave a comment

Faster Biaxial Bending

Posted on 10/08/2014 by dougaj4

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 , , , , , , , , | 1 Comment

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

Posted on 19/06/2014 by dougaj4

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 , , , , , , | 13 Comments

Using RC Design Functions 4 – Umom and new MaxAx function

Posted on 21/07/2013 by dougaj4

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 , , , , , , , , , , , | 6 Comments

Concrete ULS spreadsheet update-2

Posted on 17/07/2013 by dougaj4

The concrete ULS design spreadsheet last posted at: Concrete ULS spreadsheet update has been updated to fix a problem encountered with non-symmetrical reinforcement using the Eurocode 2 rectangular stress block. Download from ULS Design Functions. Typical input and output interaction diagram are … Continue reading →

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