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569,687 Views • Mar 9, 2024 • Click to toggle off description
Views : 569,687
Genre: Education
License: Standard YouTube License
Uploaded At Mar 9, 2024 ^^
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Rating : 4.864 (853/24,233 LTDR)
96.60% of the users lieked the video!!
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User score: 94.90- Overwhelmingly Positive
RYD date created : 2024-06-20T05:18:04.9004Z
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173 Comments
Top Comments of this video!! :3
it is mainly done for when humidity and temperature change the concrete can extend and contract without pushing and pulling on itself which can lead to internal pressure that can ultimately cause cracking
561 |
If you don't design a weakpoint, the system will appoint one for you
1.2K |
In a situation where control joints are not desirable, you may add enough hydrophilic fiber to the concrete mix to prevent young concrete from cracking. The slab also benefits from including reinforcing fibers in the mix to supplement standard rebar grids. Post-stress tendons to compress the slab will also stabilize and prevent long-term cracking. Of course, stabilizing the soil before pouring the slab is essential to avoid settling and cracking.
All of these will increase costs, which is why intentionally creating cracks is so cheap.
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I thought they were tiles 💀
209 |
In Europe they are called dilitation joints. They also occur on road surfaces to allow contraction and expansion under different weather conditions, otherwise slabs will push and crack uncontrolled.
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Ok, that's it, im subscribing. This guy just drops so much knowledge.
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no control joints will crack , you will be filling the cracks twice and then you can enjoy a nice uncut piece of slab
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Ill never see those the same way again. But i still like hearing the sounds that carts make when they roll over them, like railroad joints😂
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Learned this when helping someone pour a concrete patio for their house.
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Thank you my brother from another mother
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Young concrete should go to school to learn to crack on these control joints - too many concrete slabs crack elsewhere.
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You’ve really upped your game - high quality video man!
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As a European, I read the video title and assumed at Costco and Home Depot in the States specifically there’s a problem of people dropping weed joints on the ground
29 |
Whoooa, interesting! Thanks for sharing.
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Added to my random facts knowledge bank. Thanks!
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Btw, another version of this joint is a fully cut one. Basically for big building, you design different area that are completly structurally independent.
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Cutting is preferred for indoor use and businesses, but setting a groove while concrete is wet is preferred for outdoor use when looks or "smoothness" is not needed/wanted. Sidewalks are a great exampled of the latter.
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I did not get these at class it's useful info.
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Same for concrete roads
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@pothoc1
8 months ago
I always figured there was some sort of expansion joint like Bridges use
2K |