Tag Archives: AS 3600

Composite Beam Spreadsheet Update 1.01

Following a comment here, I have modified the Composite Beam spreadsheet to correct the stage 1 stresses forces in the reinforcement as listed in Columns 6 and 7, when the tensile face is the top.  The output has also been … Continue reading

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Stress increments in prestressed concrete beams

The two main Australian Standards covering prestressed concrete structures (AS 3600, Concrete Structures, and AS 5100 Part 5, Concrete Bridges) put a limit on the allowable increase in stress in reinforcement and prestressing strands and tendons, when the load increases from … Continue reading

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Getting concrete shrinkage right

At the end of last year, very quietly, the commentary to the Australian Concrete Structures Code (AS 3600) was published.  The commentary provides a wide range of explanatory and background information to the requirements in the main code, including some … Continue reading

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Using RC Design Functions 4 – Umom and new MaxAx function

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

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Equivalent Stress Blocks

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

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ULS design of reinforced concrete, AS, ACI and European codes

The previous post in this series compared the results of current and previous Australian Standards, and the ACI 318 code, for the ultimate bending capacity of a rectangular reinforced concrete section, subject to combined bending and axial load.  I have now extended … Continue reading

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ULS design of reinforced concrete to AS 3600 and ACI 318

Following on from the previous post I have modified my RC Design Functions spreadsheet to incorporate the US ACI 318 design code requirements, as well as the recent revision to the Australian code, AS 3600.  The revised spreadsheet will be uploaded … Continue reading

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