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Is there any way to test if the steel rod spanning from one footing to another is loaded in tension?

1)monolithic concrete slab 2)floating concrete slab 3)separated concrete slab, but supported by perimeter footing When to use which case?

I am designing steel tube columns with steel tube beam. It is not a moment frame. Only for supporting vertical loads. When is better to weld the beam on side of the column and when is it better on top of the column?

Could someone help me understand when to use epoxy and when to use expansion anchors for masonry or concrete?

What is the permitted allowable stress increase when using wind and seismic load combination per IBC2006 ? I lived in belief that it shall be 133%. But some manufacturers like simpson, usp etc. have 133% or 160%. Where is the truth? thanks.

Existing condition: 2 story wood framed house on slope. I am doing seismic retrofit. 1) How to investigate if the existing footing is appropriate? Do i need to dig or call soils engineer? I have never seen anybody to be doing this when doing seismic retrofit. 2) How to retrofit wood diaphragms...

Wood trusses, roof span 40ft (live load 20psf), floor span 20ft (live load 125psf). Could somebody help me with the truss depths pls?

Could someone recommend good Civil engineering CAD software? Creating existing topo grading and also new grading with contour lines, calculate cut and fill volumes etc?

Could someone tell me when to choose one or the other for simple retaining walls up to 7FT high? thanks.

Wood stud wall framing. Is there some way how to transfer the shear at offset walls as I show on attached pdf? 1) How to transfer the shear force from shearwall #1 to shearwall #2? 2) I need only shearwall at 1st floor, could i put the steel strongwall only up to the middle of high studs to...

Wood stud wall framing. Is there some way how to transfer the shear at offset walls as I show on attached pdf? 1) How to transfer the shear force from shearwall #1 to shearwall #2? 2) I need only shearwall at 1st floor, could i put the steel strongwall only up to the middle of high studs to...

Can anybody explain me how to inspect drilled piers reinforcement before concrete placement? Spread footing foundation inspection is pretty straight forward, but how can i see and check rebars inside the drilled hole? Thanks.