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Just get some tested. A small cost to know for sure. https://engineervsheep.com

Each truss delivers a restraint load as noted, only up to 7 trusses need to be considered in accumulating the maximum restraint force. https://engineervsheep.com

Interesting, so clearly not an error! https://engineervsheep.com

Usually, you're going to be governed by deflection and possibly vibration. Strength limit states are usually a secondary thing that just works for simply supported stairs for the main reinforcement, though sometimes the detailing at any change in direction with the flight/landings requires some...

Add some form of diaphragm? could be as basic as some diagonal braces or detailing any flooring over the beams appropriately to address the out of plane concern. That seems to be the only way if strengthening the members isn't possible (which you're inferring?). https://engineervsheep.com

This is probably a good example of when you should employ a buckling analysis so you don't miss some global/local buckling modes. https://engineervsheep.com

In NZ we don't typically have any minimum like that related to a percentage of base shear from a period empirical equation. Only time it mentioned is for timber multistorey design guidance as we borrow a bit from North American practice where that seems to be the norm. Even then it's limiting...

Also the tables are not giving an approximation, it's the theoretical solution. If you considered a free body of your column with the beam forces as loads, then you may well end up with something as shown for the moment. But the result you're seeing is probably due to what JAE has noted as...

Any reason they can't just cast in these connectors with the wall panel. Either way if the infilled concrete/grout is done along the lines of a proper structural repair and the wall reinforcement carried through I'd see no issue with it. Concrete is removed and replaced all day long in the...

Is something like speedcore an option https://www.aisc.org/products/publication/design-guide/design-guide-38-speedcore-systems-for-steel-structures/ https://engineervsheep.com

What rscassar notes is pretty typical requirement the world over. More of a shit storm would your building collapsing and it being attributed to pounding of an adjacent buildings floor against your columns. I always find it amusing how the Australians resist change because you just haven't had...

Surely this is just really badly worded as standards writers can only do! Can read it as min of 0.2d or 0.2b or 2h if you use some 'standards writers' imagination... And remove the first comparison inequality if the second one applies. https://engineervsheep.com

If you already have a design spreadsheet, look at simply using goal seek or solver in excel to determine the max span for a given configuration. If you have multiple configurations look at using a macro to do this analysis and record the results to another sheet. https://engineervsheep.com

In my experience if a structure is importance level 1/2/3/4 then the fitout and any elements designed as parts are also expected to be 1/2/3/4 as per the main structure. There isn't really any mechanism available in 1170 to reclassify parts of buildings to another lower importance level. Even...

In this case you still use the interaction equation you noted. It's use is not dependant on only one of either shear or tension breakout governing and another non breakout limit state governing (like a steel based failure). https://engineervsheep.com

Also throw into the mix for LVL for example you also may have to consider a different shear capacity (limiting shear stress) about each axes, so any general method really needs to take that into account. https://engineervsheep.com

Think about the actual shear distribution in a rectangular member (parabolic?) and think about how a shear in both axes might combine in terms of stresses. Only a very small region might have the maximums combining from each axes in my opinion. https://engineervsheep.com

Curious what constitutes a special occasion,.. https://engineervsheep.com

I'd just use flowable fill if your local concrete supplier has a suitable mix. Let it spread out once it hits the soil. https://engineervsheep.com

Owned an HP49g until it crapped itself, then my current calculator HP50. Seen me though about 20+ years so far. Basically cannot live without RPN, just seems too hard going back to algebraic mode operations. If I have to work something else out at someone's desk I'll walk and get my own or let...