What Makes Concrete Stronger?
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- Опубликовано: 9 янв 2022
- If you want to make concrete stronger, aside from the obvious and just making your concrete thicker which would definitely make it stronger, there are a few ways you can augment the mix recipe to produce stronger concrete. Most importantly, you can increase the tensile strength of the concrete by adding steel (like rebar or reinforcing wire) or you can add fibers (like fiberglass or stranded glass fibers) which has a similar effect as adding steel. Fibers and steel have high tensile strength which is the kind of strength that concrete lacks on its own. When encapsulated within concrete it will increase the overall strength.
Latex, acrylic and PVA (white glue) make concrete stronger by sticking everything together just like when you put bubble gum in your little sister's hair. Well, kind of like that, but you get the idea.
Concrete mixes can be specified by engineers who design mixes for specifi applications or specific strength requirements. Fine aggregates are added (like fly ash or densified silica fume) which make the mix even more dense. When combined with admixtures like latex or PVA as well as reinforcing steel or fibers and water reducer (superplasticizer) these engineered aggregate ratios combine to create incredibly strong concrete.
None of this information matters if you add too much water to your concrete mix because that is the single biggest factor that determines how strong your concrete will be. Be very careful to not over-water your concrete.
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I like to take notes on everything & it is immeasurably helpful that you provide notes in the dialogue area posted under the video! It is tremendously appreciated. Great videos.
Thank you
PVA glue and fiberglass or equivent makes the durability rating go way up whether it is lightweight concrete or a slab being poured .the addition of watergrass after curing adds to the longevity
You can use nagajuna cement
I'm looking to make a Cement planter and was wondering if you can share a way to calculate the proper ratio for a generally strong mix using acrylic?
Just add coffee, it makes concrete 30% stronger.
😂 High compression strength? 🤔
And high poop velocity.
hi there ! could you make a video for "optimal water cement hidratation for building cinder blocks or like one video for each type of concrete mix please? and them maybe try with mortars same thing ! will be very interested to know this ! for example for 1 kg of cement ! regular one type!
thank you for the feedback about video content you would like to see - appreciated!
I need to figure out what ratio to use to make an anti funicular roof structure.
Hi, great content, thank you!
I want to make concrete dumbbells/kettlebells, whats the best method to make it "unbreakable"? I was thinking about adding fiberglass, or put inside a spiral made of tie wire, or both for better result? Maybe you can recommend something better?
Thank you!
galvanized steel wire embedded in the concrete would be the best, and a safety concern as well. Without the steel, even with a strong mix design, when the weight breaks it will fall apart, potentially injuring someone. The more steel the better, so even in teh event of a break, there is only a crack and nothing falls apart.
What about adding more calcined lime? Isnt that what's holding 1000+ year old structures even today?
I can't seem to find steel fibers for reinforcement. I was able to get fiberglass resin - it comes as a two part system. Thick liquid with drops of resin hardener.
How much fiberglass liquid should I add per volume of concrete mix? (JB Weld brand).
What I tried was having my water in a jug and mixing resin + hardening drops into the water together, then pouring that into dry concrete mix. My question is - should I be mixing the resin + drops separate from the water? Should I change this approach? Does the resin + hardener need to be mixed together before being added to any other materials? I can't seem to find any answers online. TIA!
Please make a video about reinforced concrete thickness comparison. Is pouring for example 8 inch thick at once, is better than making 4inch first, and adding another 4 inch later next month
uniformly poured concrete is definitely superior to concrete poured in stages
@@creatingconcrete Thankyou sir !!
Do engineered mixes use less Portland cement (to reduce cost)?
they use the "right" amount of cement to achieve the desired strength. Engineered mixes are less about cost efficiency in my experience.
Are concrete bags labeled “high strength” engineered concrete?
Yes, since they will require a quality control and specific mix design to achieve the desired properties as advertised on the bag.
@@creatingconcrete the high strength concrete mix I see on Home Depot website says it’s for applications greater than 2”. Are your projects always at least 2” thick? Can you do something less than 2” thick, and if so what would you recommend using in that scenario?
What if i mix epoxy in concrete?
Try it, i think they even use epoxy tapes to seal old cracking concrete bridges.