Sources: Elhacham et al. (2020), Hackney et al. (2021), UNEP (2022)

  • chumbalumber@lemmy.blahaj.zone
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    4 个月前

    In case you don’t know, desert sand is very smooth, which means that it doesn’t bind at all in e.g. concrete. For cement, concrete etc., you need sharp sand, which has more ‘sharp’ bits for things to bind to.