Tag Archives: Rectangular stress block

Concrete Stress Blocks

Posted on August 15, 2020 by dougaj4

Back in 2010 and 2011 posts here looked at a comparison of alternative stress blocks in the then new AS 3600, and a procedure for calculating parameters for a rectangular stress block exactly equivalent to the Eurocode 2 parabolic-rectangular stress … Continue reading →

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ULS design of circular reinforced concrete columns

Posted on June 9, 2019 by dougaj4

The RC Design Functions spreadsheet has been updated (to Version 8.04) with the addition of a CircU function for ULS design of circular reinforced concrete sections under combined bending and axial load.  The new version, including full open-source code, may … Continue reading →

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA | Tagged , , , , , , , , , , , , , | 2 Comments

Equivalent Stress Blocks

Posted on October 19, 2011 by dougaj4

Previous posts (e.g. Stress blocks in AS 3600) have presented Excel User Defined Functions (UDFs) that determine the ultimate bending strength of a reinforced concrete section with the use of a rectangular concrete stress block, with depth and stress factors … Continue reading →

Posted in Beam Bending, Concrete, Excel, Newton, UDFs | Tagged , , , , , , , | 1 Comment

Stress blocks in AS 3600

Posted on October 30, 2010 by dougaj4

The long awaited update to the Australian Standard for concrete structures (AS 3600 – 2009) provides rules for the design of structures with concrete up to a compressive strength of 100 MPa.  Unfortunately there are a number of significant typographical errors … Continue reading →

Posted in Concrete, Newton | Tagged , , , , | 3 Comments