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There are portions that are damaged which we'll need to replace with new concrete over metal deck but ultimately, they want to raise the floor a few inches by adding a concrete topping (~30psf of additional load). Unfortunately, the original gym live load is equal to the new/current live load...

Has anyone ever seen or worked with a floor slab similar to this? It appears to be metal lath supporting some sort of concrete fill with a wire mesh, similar to stucco wall finishes. The second photo shows where a previously added metal deck and this original floor system meet. The reinforcement...

@jayrod12 -The sleeves are created using PVC pipes that remain in the blocks. The bond between the grout and PVC pipe is not strong enough to develop the bar leading to the cap plate&nut approach. @canwesteng -Are there any suggestions for the amount of post-tensioning that should be done to...

Thank you all for the responses. After digesting everything, I agree that post-tensioning the bars will be required to justify this approach.

Thank you for the input @HotRod10, the only difference in my situation is that these bars are not scheduled to be post-tensioned. Assuming they are adequately tightened at the top such that there will be minimal elongation during a lateral event, can I still make these assumptions? I agree that...

I am working with a precast block wall that is going to have vertical cells cast in to allow rebar. The rebar is going to be cast into a foundation below and the blocks will be slipped over the bars and stacked to form a wall. The cells are going to be filled with non-structural fill and the...