23 May

Doing some cool stuff with JavaScript in Bluebeam (Part 2)

In part 1 we added a single line of JavaScript, it was basic. But hopefully that single line of JavaScript provided some inspiration on how you could make other stamps you might create dynamic, and less specific.

In this post we’ll do another example, but this time I’ll show you how to use some data input by the user when you place a stamp to do some calculations using JavaScript.

Read More
28 Mar

To minimum or not to minimum, that is the question?

Minimum steel, love it or hate it, we have minimums for a reason even if it seems like overkill sometimes given that we may have very low demands.

This post will demonstrate why (I hope) we are required to comply with these arbitrary limits. Usually I’m going into these posts with only the theoretical background of why something exists, but hopefully once we get into it this theory can actually be demonstrated.

Read More
29 Feb

Using Mathematica to save the world

Well, one person’s world of torsion anyway…

In this post I’ll show how to use Mathematica to check some derivatives of torsion relationships.

Mathematica is an analysis/computational tool by Wolfram. Now if you had to pony up the dollars for it you’d be out a few thousand dollars, but as it happens I’m cheap and it’s free on Raspberry Pi’s Raspbian operating system. Yes it’s linux based, but don’t let that turn you off, it’s so simple to setup anyone could do it.

Read More
01 Feb

Rational Buckling Analyses to AS4100 or NZS3404 (Part 5)

So if you’ve been following along with this series you now hopefully know a little bit more about some of the methods involved in undertaking buckling analyses. Pat yourself on the back for making it this far through my ramblings I guess (if nothing else).

It’s pretty simple, and in most cases it will yield a capacity very similar to the code hand methods, albeit via a completely different path. It’s always good when different methods yield similar results.

Read More
25 Nov

Rational Buckling Analyses to AS4100 or NZS3404 (Part 3)

In the last post in this series we looked at a semi-real scenario where a rational elastic buckling analysis was undertaken in which we were able to determine the axial capacity of a system of members. The exact type of system of columns is sometimes referred to as a ‘lean-on’ system, whereby the column carrying no load helps to increase the capacity of the supported column. Basically, if we make the supporting column (or in other words the bracing system for the RHS) stiff enough it has the effect of producing a higher mode of buckling in the supported RHS column.

Read More
24 Nov

Rational Buckling Analyses to AS4100 or NZS3404 (Part 2)

In part 1 of this series we briefly explored the requirements related to calculating the capacity of a column via the use of a buckling analysis. Introducing the general methodology to follow and showing agreement with the normal hand methods for a known k_e.

In this follow-up post we look at the power and beauty of this method in being able to assess any complicated design scenario, typically ones that don’t fit in the mould of the typical idealised restraints.

Read More