Tag Archives: shrinkage

Reinforced Concrete Moment Curvature – Development over time

Posted on August 28, 2015 by

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 →

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA | Tagged , , , , , , , , , | Leave a comment

Getting concrete shrinkage right

Posted on March 21, 2015 by

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 – 3

Posted on June 8, 2013 by

In the previous post in this series I looked at the results available from the EStress function in the RC Design Functions spreadsheet.  Three associated functions are: EstressCap PLCurve TStiff EStressCap finds the maximum bending moment for a specified axial load, … Continue reading →

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

Daily Download 2: SLS design of reinforced concrete sections …

Posted on September 18, 2012 by

… and prestressed concrete sections. Today’s download installment covers spreadsheets for design of reinforced and prestressed concrete beams and columns at the Serviceability Limit State (SLS).  The spreadsheets cover design of rectangular and circular sections, sections made up of any … Continue reading →

Posted in Beam Bending, Concrete, Excel, Newton, UDFs | Tagged , , , , , , , , , , | 15 Comments

Reinforced Concrete Moment-Curvature – 4; Development of curvature over time

Posted on February 12, 2010 by

The previous post in this series looked at how specified shrinkage and creep strains affect the curvature of a reinforced consrete section subject to a constant load.  In this post I will present a User Defined Function (UDF) that analyses … Continue reading →

Posted in Concrete, Excel, Newton, UDFs, VBA | Tagged , , , | 6 Comments

Reinforced Concrete Moment-Curvature – 3; Restrained Shrinkage and Creep

Posted on January 23, 2010 by

The previous post in this series provided Excel User Defined Functions (UDFs) to find the strain in a concrete section due to unrestrained creep and shrinkage.  In this post the effect of restraint of the creep and shrinkage strains by … Continue reading →

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

Reinforced Concrete Moment-Curvature – 2; Shrinkage and Creep

Posted on December 8, 2009 by

The previous post in this series provided an Excel User Defined Function (UDF) to find  the short term curvature of a reinforced concrete section subject to combined bending and axial load.  In this post UDFs will be presented to determine the strain … Continue reading →

Posted in Concrete, Excel, Newton, UDFs, VBA | Tagged , , , , , , , | 4 Comments