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☆ Yσɠƚԋσʂ ☆ to TechnologyEnglish · 2 years ago

China builds with manufactured sand, easing worry about overmining and environmental cost

archive.ph

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China builds with manufactured sand, easing worry about overmining and environmental cost

archive.ph

☆ Yσɠƚԋσʂ ☆ to TechnologyEnglish · 2 years ago
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https://archive.ph/2024.08.12-071715/https://www.scmp.com/news/china/science/article/3273891/china-builds-manufactured-sand-easing-worry-about-overmining-and-environmental-cost

  • destroyamerica
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    • Franfran2424
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      Sand for construction is a limited resource. Not every sand works to make concrete.

      Generally, it has to be river sand, because sea sand has salt and must be washed, and open air sand is pulished by wind, making it worse for building.

      • keepcarrot [she/her]@hexbear.net
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        2 years ago

        Hmm, I was going to steal a bucket of beach sand for casting

        • REEEEvolution
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          River sand is rougher, sea sand or desert sand is either too rough or almost polished round.

        • Franfran2424
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          It still works, it generally tends to crack more easily or damage steel bars due to salt.

          • keepcarrot [she/her]@hexbear.net
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            I will most likely wash it a bunch? THat’s what the internet told me to do

            • Franfran2424
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              Yeah, that works. Then again, China is kind of demonstrating that crushing rocks into sand also works.

              So whatever pollutes less, I guess.

              • keepcarrot [she/her]@hexbear.net
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                My factory development level is unfortunately quite low

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    • loathsome dongeaterA
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      In India there are “sand mafia” who illegally dig up sand from river beds. It is profitable because it’s used in construction so much.

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        • loathsome dongeaterA
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          https://www.msn.com/en-in/news/India/bjp-to-launch-movement-against-sand-mafia/ar-BB1qRsLo

          There has been some crackdown but the government does not intend to solve this problem. First of all, the fascists do not give a single fuck about the environment. But more importantly, criminals like this are often in cahoots with the local government officials.

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