Category Archives: Newton

When does 35 not equal 35?

Posted on 20/12/2011 by dougaj4

… and when does 35 – 35 not equal zero? In the first case the answer is when one “35” is on an Excel spreadsheet and the other 35 is in VBA.  The question arose from the ongoing continuous beam … Continue reading →

Posted in Excel, Maths, Newton, VBA | Tagged , , , | 12 Comments

The “Glass Bridge” King’s Park, Perth

Posted on 19/12/2011 by dougaj4

The Lotterywest Walkway is a fairly recent addition to Perth’s King’s Park, featuring a spectacular arched pedestrian bridge built of weathering steel with glass parapets.  My impressions are shown in the photos below.  Click on any image for a slide show.

Posted in Arch structures, Newton | Tagged , , , , | Leave a comment

Continuous Beams With Spring Supports by Macaulay’s Method

Posted on 15/12/2011 by dougaj4

Following the last post on this topic: Continuous Beams With Cantilevers by Macaulay’s Method, and by popular demand, I have now updated the continuous beam and single span analysis functions to accept spring translational and moment restraints.  Also added is … Continue reading →

Posted in Beam Bending, Excel, Frame Analysis, Newton, UDFs, VBA | Tagged , , , , , | 36 Comments

Cambridge Digital Library

Posted on 13/12/2011 by dougaj4

Newton Papers Cambridge Digital Library Cambridge University Library is pleased to present the first items in its Foundations of Science collection: a selection from the Papers of Sir Isaac Newton. The Library holds the most important and substantial collection of … Continue reading →

Posted in Newton | Tagged , , , | 2 Comments

Continuous Beams With Cantilevers by Macaulay’s Method

Posted on 05/12/2011 by dougaj4

Edit 13 Apr 2014: See Continuous Beam Spreadsheet with Moving Load for the latest version, which is now called ConBeamU. I have updated the Macaulay spreadsheet (described here) to allow the analysis of continuous beams with cantilevers at one or … Continue reading →

Posted in Beam Bending, Excel, Frame Analysis, Newton, UDFs, VBA | Tagged , , , , , | 12 Comments