The reason is: concrete-weight-gain and cost-reduction. But there will be less noise reduction and heat absorbtion and accumulation and possible weaker construction. The new parking garage in Eindhoven collapsed on a very hot day, before it was even in use. I think. the cheese form with site rim of the elements, seems to be much better than the perfect ball form. Because the used plastic does not connect to the concrete.
@@printpainting1293 I do not know if it is cobiax. I think they used Dutch "breedplaatvloeren" or "bekistingsplaatvloeren" The balls with their smooth surface save concrete, but don't connect to the concrete.
Good initiative and informative. Just one question. How to ensure sufficient cover to reinforcement inside as it rest on ball.?
3:50.. Vibrating to long is not good for the concrete mix.. The cement wil float on top and the stones vibrates to deep..
Super.
NOISE TRANSFER ?
okay don't the bubbles weaken the slab, I do not get the reasons for this.
Similar to how concrete plank has holes in it. I'm guessing the X&Y axis are held together by the "cages" as some form of rebar.
See ua-cam.com/video/JgDzLFBuWKw/v-deo.html Eindhoven new parking collapse. 2017
The reason is: concrete-weight-gain and cost-reduction. But there will be less noise reduction and heat absorbtion and accumulation and possible weaker construction. The new parking garage in Eindhoven collapsed on a very hot day, before it was even in use. I think. the cheese form with site rim of the elements, seems to be much better than the perfect ball form. Because the used plastic does not connect to the concrete.
@@casek1238 is that cobiax technology?
@@printpainting1293 I do not know if it is cobiax. I think they used Dutch "breedplaatvloeren" or "bekistingsplaatvloeren" The balls with their smooth surface save concrete, but don't connect to the concrete.
when and where to use cobiax slab design?
read Dutch newspaper: NRC Handelsblad 20-04-2018 riskfull concretefloors
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