Category Archives: Newton

Reinforced Concrete Moment-Curvature – 4; Development of curvature over time

Posted on 12/02/2010 by dougaj4

The previous post in this series looked at how specified shrinkage and creep strains affect the curvature of a reinforced consrete section subject to a constant load.  In this post I will present a User Defined Function (UDF) that analyses … Continue reading →

Posted in Concrete, Excel, Newton, UDFs, VBA | Tagged , , , | 6 Comments

Pie charts all the way down

Posted on 07/02/2010 by dougaj4

xkcd post number 688 shows charts of the proportion of black ink in the charts in xkcd post number 688, and it has in the chart on the right a plans of the locations of the charts in xkcd post … Continue reading →

Posted in Maths, Newton | Tagged , , | 1 Comment

Hello World (again)

Posted on 02/02/2010 by dougaj4

Over at Daily Dose of Excel Dick has been asking for suggestions for excellent training, to which Jan Karel Pietersen replied that training should be relevant to the task at hand, and that “hello world” examples are useless. John Walkenbach responded … Continue reading →

Posted in Excel, Maths, UDFs, VBA | Tagged , , , , | 2 Comments

Reinforced Concrete Moment-Curvature – 3; Restrained Shrinkage and Creep

Posted on 23/01/2010 by dougaj4

The previous post in this series provided Excel User Defined Functions (UDFs) to find the strain in a concrete section due to unrestrained creep and shrinkage.  In this post the effect of restraint of the creep and shrinkage strains by … Continue reading →

Posted in Concrete, Newton | Tagged , , , , | 7 Comments

Perfect Anniversaries

Posted on 13/01/2010 by dougaj4

The young author of  The Math Less Travelled has just celebrated his 28 birthday, noting that 28 is a perfect number.  He laments that since the next perfect number is 496, it is most unlikely that he will see another perfect … Continue reading →

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