Concrete Strength Over Design

[@SamuelEscamilla-q3b]

I want to create my own super strong light weight concrete and use this formula. Thanks 💪🤘👷🏻

[@ralph17p]

Yay! Concrete and math. Does it get any better than this?

[@theshadowworld6907]

Thank You, Sir... it's very helpful.

[@PP-qy3cn]

But how will the test results be available before designing and making it? Sorry if I got this wrong

[@MuhammadAmjad-ex2bz]

sir if we are doing test on 3o cylinders does that mean 30 cylinders are made of same ratio or arbitrary ratios? e.g i want fc dash 3000psi so i will make 30 cylinders for this ratio to get standard deviation?

[@MuhammadAmjad-ex2bz]

30 different batches means of any strength or the required one?

[@paulbedi80]

Thanks for the video...great stuff!! I think I might be missing something on the second equation for calculating F'ct when f'c>5000psi. If my F'c=6000psi, and s=319, then according to the second equation my F'ct=12,142psi...that seems a bit high. The first equation gives me 6427psi, this seems reasonable.

[@paulbedi80]

Ok I think I got it...looked into the formula and the second formula for F'c > 5000psi should be F'ct = 0.9F'c + 2.33s...NOT F'ct = F'c + 0.9F'c + 2.33s

[@alejandromarquez5565]

Great explanation the over design has to be with statistics !!

[@TylerLey]

YES!!!

[@بنتليبيا-ش8ف]

like it