Category Archives: Newton

LatPilePY 1.02

Posted on 23/01/2012 by dougaj4

Following some discussion at Eng-Tips and elsewhere I have updated the LatPilePY spreadsheet, previously presented at Lateral pile analysis with PY curves …  This spreadsheet provides User Defined Functions (UDFs) to carry out the analysis of vertical piles under lateral loading, … Continue reading →

Posted in Concrete, Excel, Geotechnical Engineering, Newton, UDFs, VBA | Tagged , , , , , , | 3 Comments

Continuous Beams with Shear Deflections

Posted on 31/12/2011 by dougaj4

The Macaulay Spreadsheet has now been modified to optionally include shear deflections, as well as a new option to output support reactions, and fixes to minor bugs. The revised spreadsheet (including full open source code) can be downloaded from: Macaulay.zip … Continue reading →

Posted in Beam Bending, Excel, Frame Analysis, Newton, UDFs, VBA | Tagged , , , , , , | 10 Comments

Bach for Christmas

Posted on 26/12/2011 by dougaj4

Al Vachris sent me a link to this visualisation of the opening Prelude from Bach’s 1st Suite for Solo Cello: “Baroque.me (2011) by Alexander Chen. Video capture. baroque.me visualizes the first Prelude from Bach’s Cello Suites. Using the math behind … Continue reading →

Posted in Bach, Newton | Tagged , , , | Leave a comment

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