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Steam curing of concrete at atmospheric pressure has the advantage of accelerating the hydration reactions of Portland cement. Consequently, the material develops compressive strength and reduces its permeability in a shorter time compared with standard curing under ambient conditions :) :).👍

The steam keeps the concrete from drying out too quickly while it cures. If it dries too quickly the concrete loses strength. A dry heat would suck all the moisture out and make the block brittle. Love the vids❤

@eekpie

4 ай бұрын

Strange take. Moisture promotes the concrete to cure. in a perfect vacuum it would never cure

@NemoA90

4 ай бұрын

concrete doesnt "dry" like clay, it cures through a chemical reaction with water. heat makes any chemical reaction happen faster. they use steam simply because water becomes steam when you heat it up.

Concrete needs water to cure. Warm temperatures help that happen faster. So, steam is an ideal way to supply both.

Great camera work.keep it going.

I think the steam is to help cure the concrete quicker.

@beefchicken

4 ай бұрын

I prefer “steam massage”.

@0menadds

4 ай бұрын

Not quicker.. in a more uniform consistent way all throughout the structure

Great video yet again. Thank you from England ❤🎉

They really should give you a free own to take home but for your personal use only.

We recently had a block wall made from large blocks that look like false stone. In North America, those are often made from waste / surplus concrete. While the face looks good, the back of those blocks is often unequal. Instead of an overhand at the back, they use a keyway in the middle, so it really does not matter that they aren't all of the same depth, especially since they part usually gets buried and isn't seen by anyone.

Cure with steam to slow down the drying rate. If the water comes out of the concrete too quickly it’s cracks as different regions dry at different rates. Curing with steam slows down the curing, enough that it is stronger. ( less micro cracks internally)

@Factory_Monster

3 ай бұрын

Thanks for sharing your knowledge!

We are FROM BRASIL 🇧🇷

I love concrete

우다다다

👏👏👏

👍💪✌

👍👍👍

Anyone know what those large ones (4:10 & 7:37) with a hook on each corner are used for?

@deltajohnny

Ай бұрын

@DavG_NZ At the end of the video there are some blocks in place 😉

🦝🥰🥰🐺✌

Steam adds moisture which is needed on these perfectly mixed blocks..... the surface is really porous & the steam will add just enough moisture to help smooth out some of the openings > w/ the aid of a man with a trowel.

@legitbeans9078

4 ай бұрын

I'm sure your boss is proud that you posted that comment 👍

@user-dv7hb2sc9m

4 ай бұрын

Nah, I'm unemployed but perhaps my next boss will like it...... let's hope so. peace man

Wow imagine a comment not about how glorious the steam curing of concrete or whatever is happening. I know one thing though. I certainly will be investing in Korean heavy concrete industry manufacturing concern.

Is there a Korean Factory that make youtube videos?

Cement is usually poured at a low temperature and crushed ice is placed in water to reduce the temperature, so I see a contradiction in curing the cement here with steam. This is to the best of my knowledge, and I am not an expert.

@Factory_Monster

3 ай бұрын

Thanks for sharing your knowledge!