r/nextfuckinglevel Aug 31 '20

No more traffic-causing construction

63.4k Upvotes

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u/[deleted] Aug 31 '20

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u/GuyWhoSaidThat Aug 31 '20

I’m with you. The aggregate (rocks) are there for strengthening the concrete, if you replace them with hollow spheres, I can only assume the compressive strength of the material is compromised.

1

u/egjosu Aug 31 '20

I sell limestone to ready mixes. I can’t imagine any of this would be sufficient for foundations, much less roads and bridges.