Category Archives: Newton

How Reinforced Earth works

Posted on May 8, 2019 by

“Reinforced Earth” is the name of  a construction system widely used in retaining walls around the World.  Here is a short video demonstrating how the system works, which is both informative and entertaining:

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RC Design Functions 8_03

Posted on April 30, 2019 by

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 →

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA | Tagged , , , , , , , | 9 Comments

The Largest Early World Map …

Posted on April 25, 2019 by

… is unveiled for the first time: Click image for link to map with pan and zoom: On July 25, 01585, near the end of a century of unprecedented change, four Japanese boys stopped in Milan on their way back … Continue reading →

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3D Frame with zero stiffness hinges

Posted on April 9, 2019 by

The previous version of 3DFrame allowed for spring releases at beam ends, but if the release stiffness was entered as zero it was treated as a rigid connection for that freedom.  Effectively zero stiffness releases could be modelled by entering … Continue reading →

Posted in Beam Bending, Excel, Finite Element Analysis, Frame Analysis, Newton | Tagged , , , , , | 3 Comments

Rubick’s Cube Solves Itself

Posted on March 29, 2019 by
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Numerical Integration; Tanh-Sinh Quadrature v. 4.42

Posted on March 17, 2019 by

Back to Newton and Excel. I recently received a new update to the Tanh-Sinh Quadrature spreadsheet from Graeme Dennes, which may be downloaded from: Tanh_Sinh Quadrature. From the Readme: The Tanh-Sinh quadrature workbook has been enhanced as follows: The Tanh-Sinh … Continue reading →

Posted in Charts, Excel, Maths, Newton, Numerical integration, UDFs, VBA | Tagged , , , , , , , , | Leave a comment

Sydney Opera House: the designs that didn’t make it

Posted on February 10, 2019 by

From the Guardian: In 1956, the New South Wales premier Joseph Cahill announced a competition – open to anyone – to design a national opera house at Bennelong Point in Sydney. There were more than 200 entries and the eventual … Continue reading →

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