Tag Archives: AS 3600

ULS design of circular reinforced concrete columns

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

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ULS Design Functions – update for AS 3600

The ULS Design Functions spreadsheet (last posted here) has been updated to the new Australian Standard for concrete structures; AS 3600-2018.  The new version can be downloaded from: ULS Design Functions.zip Note that the biaxial version included in the download … Continue reading

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RC Design Functions 8_03

The RC Design Functions 8_03 spreadsheet is now available for free download from: RC Design Functions8.zip The main changes are: The NA layer check has been corrected for compression steel in tension The new AS 3600 crack width and curvature … Continue reading

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AS 3600 and RC Design Functions 8.01

The updated RC Design Functions spreadsheet (presented here) included an updated UMom function to find the ultimate strength of a rectangular section under combined bending and axial load; but I omitted to include the revisions to the alpha2 and Gamma … Continue reading

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New AS 3600 and RC Design Functions 8

A revised version of the Australian Concrete Structures code, AS 3600, was recently published, with many significant changes, including: Changes to ULS reduction Factors Creep and shrinkage Curvature and deflection calculations Crack width calculation and stress limits Major  changes to … Continue reading

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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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