Category Archives: Concrete

Concrete 09 Call for Abstracts – Closes 14th November

Posted on 07/11/2008 by dougaj4

Concrete 09, the bi-annual conference of the Concrete Institute of Australia will be held from 17th to 19th September 2009 at Luna Park, Sydney.  The theme of the conference is “adding value in changing climates”.  The closing date for submission … Continue reading →

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Reinforced Concrete Section Analysis 7 – rectangular sections

Posted on 05/11/2008 by dougaj4

Previous post The spreadsheets presented in earlier posts in this series have been simplified for use with rectangular sections with two layers of reinforcement.  The functions EStress (for elastic analysis of stresses, strains and crack widths) and UMom (for the … Continue reading →

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

Reinforced Concrete Section Analysis – 6; Ultimate Limit State

Posted on 23/10/2008 by dougaj4

The previous post in this series included Excel User Defined Functions using closed form solutions to find the ultimate bending and axial load capacity of reinforced or prestressed concrete sections of any complex shape defined by rectangular or horizontal layers.  The … Continue reading →

Posted in Beam Bending, Concrete, Newton | Tagged , , , | 6 Comments

The Dome of the Pantheon

Posted on 24/05/2008 by dougaj4

I have recently made my first Wikipedia edit. The article on the Pantheon in Rome made the following claim: “The exact composition of the Roman concrete used in the dome remains a mystery. An unreinforced dome in these proportions made of … Continue reading →

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