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Can You Use Any Sand To Make Concrete?
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- Опубликовано: 8 авг 2024
- While you could use any kind of sand to make concrete in theory, unfortunately, there are many sand options that would produce poor or low quality concrete. In order to be good for the purpose of making concrete, sand should be clean. This means it should be free of all forms of contaminants and especially organic debris. In addition to being clean and washed, sand for concrete and mortar purposes should be rough and jagged in shape if you were to look at it under a microscope or magnifying glass. Tumbled or rounded sand, as found in something like play sand, has had all of the sharp edges and irregular shaped rounded off which makes play sand look more spherical under close inspection. This makes concrete or mortar substantially weaker than when you use a sand that has not been rounded. Beach and desert sand are too dirty, too full of impurities and even too rounded from constant tumbling in water or from wind to used for a quality concrete product. Additionally both beach and desert sand are too fine and would make weak concrete if you did use them.
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#CreatingConcrete #concrete #diyconcrete #sand
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learning a lot from you brotha! thanks for the info
I am happy this content is helpful for you!
Thank you
how about sand used for pavers?
hi!! volcanic ash like pozolane is good for mixing with portland cement? thank you
I have access to a large amount of volcanic sand material, I was thinking about using it to mix concrete for a parking pad, is this a bad idea? The largest pieces are about the size of pea gravel
What about River sand?
How about pool filter sand? Is that good or bad?
If you could take clean glass containers (jars, bottles, etc.) and crush it into pieces that resemble sand, would it be a good way to recycle glass into concrete?
If so, what would be the ideal size of the particles (mesh)?
Dude, 33,000 people are dead in Turkey/Syria because they used cheap corrosive beach sand in apartment construction. The right sand is no joke.
That is tragic! Construction standards are incredibly important for just these reasons.
No. The earthquake was VERY powerful with HUGE movements laterally. ANY construction would be prone to collapse no matter what type of sand used
how about grinding residue? i use to wet-grind, then let it settle for about a day and spill out the water to reveal the grinded-concrete layer at the bottom. I let it dry and collect it for use as fine aggregate in future castings. Would such "sand" be too fine? i do 50-3000 grit.
maybe it can be used alongside better sand?
Also, how can it be "too fine"? wouldn't fine sand be able to create a more dense structure? less gaps?
"inconvenient concrete" LOL. I bought bags of 'all purpose' sand, listed as washed & can be used for concrete... I bought play sand, but not for making the actual concrete, but for serving as a foundation to mix together various sands to make sand molds, because it is rated finer, & I discovered, with study of sand sculpture (to apply the form building ideas to sand mold making), that for creating forms of sand, you want a very fine, packable sand. I may try sand blends of some finer, some sharper, plus i'm going to try adding some clay as well, to get a sand that packs well, & holds form to serve as one-time concrete molds. So to experiment, I also bought a bag of pool filter sand , not only because it is washed & rated as finer than the concrete making sand, but it is white! I could not find any white sand, so I'm hoping I might be able to add at least some portion of this white sand to my concrete mix. My understanding is that it is 'sharp,' not rounded. (I did read one study that indicated the finer the sand, the weaker the concrete, so that is also a consideration.... but for white decorative concrete, it might still work). So... Question... do you have any experience/ thoughts, about using sharp, fine, pool filter sand as a partial aggregate for white concrete/ with white portland cement?
Beach sand is also salty. No good.
I’m in Panama. They & I use what ever sand is available. One truck load is grey. The next one is kinda beige. If you ask the delivery person what kinda sand the building market is selling, you get the same answer: It’s sand! I’m buying my sand from the same store. No idea. Small shells are in all loads. People told me, that shells are in every sand you get. I only figured out that it will not stick to my trowel. No matter how dry or wet I make it. I mixed it 1:4 and 1:6. It’s not the motar I’m used to in Germany and Canada. But that’s what they use here.
Try adding liquid dishwashing detergent to the mix it makes what bricklayers call “fat” which is essentially very sticky mud .
@splashpit I talked to 3 brick layers here in Panama. They never saw that mud sticks on the tools. I showed them some videos. They say with the sand here, that will not work here. 😒
@@holgermessner851 ok don’t try it , works on the worst sand here so up to you.
@@holgermessner851 That sand might be grinded up sea shells - and not stone - kinda like diatomaceous earth.
Can you use “art sand” for sand in concrete mixes?
I would expect art sand to be sterilized and rounded like play sand. Does it feel coarse or is it super fine and smooth? Jagged, irregular shapes are good for making strong mortar and concrete. Super fine, rounded (tumbled) grains less so. You can probably tell by looking at the grains under magnification if you can not tell just by feel.
What about white silica sand
White silica sand is great for mixing with white portland cement as a great base for dyes and pigment colorations
It’s the pool dude