Recent content by Retrograde

You can get ones that are significantly cheaper than $1500. I have seen some for under $200. Check out Amazon.

You can get ultrasonic thickness testers. My company has one and it works reasonably well. https://www.starrett.com/products/precision-measuring-tools/thickness-testers-and-accessories/thickness-testers

Section 10.6.2 is the relevant part of AS3600.

See attached.

I read some of your other topic but not in great detail. Is this correct? To me, the definition of "pure compression" is when the column is loaded through its centroid (i.e. zero moment).

I agree with EZB. Make the cap deep enough that the bars do not need to be hooked at all - if possible.

I agree with Just Some Nerd that that particular clause in the code is meant to apply to industrial warehouse type buildings with tilt-up precast walls.

Have you considered using OrbiPlate? https://reid.com.au/product/orbiplate

Why is that? I have been told by a competent welder that galvanizing doesn't need to be removed, similar to what Lex said above. What is different about stud gun welding?

I think you will need to consider 8 load cases. The 375kN force acting up, down, left, and right. The torsion acting clockwise and counter-clockwise.

The deflection limit should reflect the specific situation. What I mean by that is that if there is a historic building close to the wall then you probably should aim for the 1" limit. Similar if there are services located in the ground adjacent to the wall. It it is just a backyard then maybe...

I would not do the steel bracing like that. Use stiffener plates.

Refer attached. I take no credit for it - I cannot remember where I got it from but I think it was another Eng-Tips thread.

Because the area of reinforcement is probably only a few percent of the total area of the column, deducting the area of the reinforcement will make little difference to the answer.

At that span you may want to consider a truss.