I am currently make an attempt to make miniaturized version of this China's solar highway on my garage


Just so i can re-evaluate the performance

However, I am curious with the top-most layer. In various online media source it keeps saying "transparent concrete" (which obviously 100% transparent) while i found none information on the web how to create one (not even scientific paper)

What i got so far is the "translucent" version, using fiber optics. But it's not that "transparent" as you can see in video above..

My best guess its not concrete at all (although many well-known media source said so), possibly kind of plastic (polycarbonate or sort)...

What do you think? Is it possible to make concrete of that kind?

  • $\begingroup$ 100% transparent - I don't think that is possible. $\endgroup$
    – Solar Mike
    Commented Jul 6, 2020 at 7:26
  • $\begingroup$ I am not expecting 100%, but at least concrete with high transparency as what they do with solar highway @SolarMike $\endgroup$ Commented Jul 6, 2020 at 7:46
  • 1
    $\begingroup$ Translucent would be the correct term here....and it’s likely a plastic aggregate and some kind if resin matrix. $\endgroup$ Commented Jul 6, 2020 at 8:23
  • $\begingroup$ concrte is by definition sand, stones + cement and neither is translucent so I think you are on the rght track to presume some sort of plastic. $\endgroup$
    – mart
    Commented Jul 6, 2020 at 9:21
  • $\begingroup$ @mart Sand and gravel can be made of more or less finely ground glass, mostly translucent. Portland cement is not the only cement in existence either. $\endgroup$
    – SF.
    Commented Jul 7, 2020 at 11:40


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