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• spankmonkey@lemmy.world ⁨1⁩ ⁨day⁩ ago

  By pavement do you mean concrete, asphalt, or something else?

  Concrete on the road does sit for a long period of time before they allow traffic on it, same as your driveway. Concrete is the main structural part, sitting on top of the aggregate, and must be sufficiently cured before it can handle weight. Your driveway is far thinner than the road and needs to be cured completely before heavy weight can sit in place for hours to avoid cracking, and it doesn’t cost the company that poured it more to let it sit without being used so they are going to error on the side of longer. A road tends to have pressures from traffic needs that will lead to it being on the shorter end of the time estimates.

  Asphalt (aka blacktop) only takes a day or two because it doesn’t require as long to cure and it is a lot more flexible than concrete so it isn’t as in danger of cracking right away.

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  • Nurse_Robot@lemmy.world ⁨1⁩ ⁨day⁩ ago

    Great answer, thank you

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• lemming741@lemmy.world ⁨1⁩ ⁨day⁩ ago

  There are different formulas for concrete, balancing cost, cure time, and ultimate strength.

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  • snausagesinablanket@lemmy.world ⁨1⁩ ⁨day⁩ ago

    [deleted]

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    • Hawke@lemmy.world ⁨1⁩ ⁨day⁩ ago

      At the very minimum you are confidently incorrect about how universal those terms are.

      British English uses “road surface” where US English uses “pavement”.

      British English uses “pavement” where US English uses “sidewalk”

      You can also find “metaling” as a general term for hard road surfaces.

      Even “concrete” can be short for “asphalt concrete” or “bituminous asphalt concrete”, i.e. yet another name for that same thing.

      I can’t find anywhere that uses “rigid pavement” as a term to mean specifically concrete based on Portland cement. To me it sounds like a general term which would cover both concrete and asphalt [concrete]. But I’ll trust that you didn’t just make it up.

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• magpie@mander.xyz ⁨1⁩ ⁨day⁩ ago

  Where I live the driveways are normally cement and the roads are asphalt. Two different materials each with different curing times.

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• dnick@sh.itjust.works ⁨1⁩ ⁨day⁩ ago

  Likely a mixture of these answers, though if you want to wait for an expert to weigh in maybe ask for that. A roadway is obviously a very different environment with a lot of money and research put into ensuring it can handle a lot of traffic and weight, having to accommodate worst case scenarios so it’s obviously going to have a very strong base, and a comparitively very durable and thick base of asphalt. Your driveway, on the other hand, is probably going to be covered in a mixture very much driven by price. If you do the minimum underlayment and thickness, you’re probably going to need to give it every advantage possible to avoid rework.

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