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I quickly found out that for a beam of this length (24') I won't be able to make it work without bracing the top flange. A ry high enough is literally off the charts. It was a good exercise though to understand the options/limitations. I'll probably proceed with shear studs. Besides just...

Thanks. Understand that it may not be the most economical solution just wanted to be sure I was thinking through the options properly. Thanks again.

Thanks for the responses. As an alternative to the studs would it be possible to use a deeper beam section to increase Lp greater than Lb (the span length)? The basement below is tall (14') so a deeper beam reducing headroom won't be an issue for the owner.

Thanks KootK. Not sure I totally understand the concept, as before I talk to the contractor I want to be able to explain the need for it in layman's terms. I don't think he would understand how with gravity loads you need to provide a shear connection between the slab and beam. I understand...

Thanks again KootK. Been preoccupied on a few other things the past several days; finally back on this/just now really getting into design. I am proceeding with 2 steel beams, splitting the slab into thirds and designing as one-way. Also, no metal deck after some discussions with the owner...

Thanks to KootK and everyone else for the input. A few things before I dive into this soon: 1. I checked with a few suppliers in our area and sounds like prestressed plank is not really an option locally, at least not yet. 2. I'll do some more digging on the metal deck, seems as there are...

Thanks for the responses thus far. I will look into composite deck and the precast planks. If anyone has any resources to share, please post. If I stick with my original plan, any further comments to the questions in the original post? Teguci, would you mind elaborating on "Detail your edges...

I'm designing a suspended concrete slab over a concrete basement walls for a house garage. 24'X24' plan dimension. Ideally I would like to avoid beams, but I know locally (Missouri) it has been done with one or two steel W shape beams to support the slab. However, this is the first time I am...

Thanks Ron! That clears things up alot. For the lateral force, you would just do the same thing, but with a uniform loading, correct? Also, how do you know that for in this case the stress block area is E/3?

Thanks for the sketch. Assuming that the sketch is correct (rect. dist. instead of triangular) and calling the resultant of each stress block R, then M = R*D/2, correct? M is a known, but is R a function of the compressive strength of the grout? Thanks again; maybe its just too late on a...

I'm having problems visualizing the stress blocks or triangular distributions that you guys mentioned. If someone has time and the means, a brief sketch might clear this up for me. Thanks again.

Thanks for the replies guys. However, I'm still kinda confused. I can resolve the moments for the various load conditions no problem (assuming the rail post is a cantilever beam fixed at the base in the concrete), but I'm not clear on exactly how to apply the triangular distribution and...

I've searched the several threads on this topic but haven't came to a clear understanding of the design of the embedment of handrail/guardrail in concrete. I realize that there is some debate as to whether core drilling posts in concrete slabs or retaining walls is the ideal installation over...