Category Archives: Concrete

Solving non-linear equations with two or more unknowns – 4

Posted on 13/10/2015 by dougaj4

As promised in the previous post, the spreadsheet including the new functions to calculate reinforced (or prestressed) concrete moment-curvature with a revised concrete tension stress-block is now available for download from: RC design functions7.zip The spreadsheet includes full open source … Continue reading →

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Solving non-linear equations with two or more unknowns – 2

Posted on 03/10/2015 by dougaj4

The previous post presented a simple but slow procedure for solving non-linear equations with two unknowns.  In this post I will describe a much faster method, that also has the advantage that it can simply be extended to work with … Continue reading →

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Reinforced Concrete Moment Curvature – Development over time

Posted on 28/08/2015 by dougaj4

I recently noticed that in the RC Design Functions spreadsheet the TimeCurve function had stopped working.  The function calculates the development of reinforced concrete section curvature over time, and was previously presented in Reinforced Concrete Moment-Curvature – 3; Restrained Shrinkage and Creep and Reinforced … Continue reading →

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There is No Planet B

Posted on 19/08/2015 by dougaj4

My latest (and final) President’s column from the Concrete in Australia Magazine: Some responsibilities of engineers are universally recognised. Everyone accepts that we have a duty to carry out design and construction so that structures will be serviceable, strong and … Continue reading →

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Concrete 2015

Posted on 14/08/2015 by dougaj4

This year the 27th biennial Conference of the Concrete Institute of Australia will be held in Melbourne from 31st August to 2nd September, in conjunction with RILEM Week. Concrete 2015 On behalf of the organising and technical committees, we cordially invite … Continue reading →

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