[HN Gopher] Engineer Turns Plastic into Bricks That Are Reported... ___________________________________________________________________ Engineer Turns Plastic into Bricks That Are Reportedly Stronger Than Concrete Author : laurex Score : 23 points Date : 2022-05-19 21:39 UTC (1 hours ago) (HTM) web link (peopleofcolorintech.com) (TXT) w3m dump (peopleofcolorintech.com) | iancmceachern wrote: | This is brilliant. It's like asphalt, which is just concrete | (cement, sand and lime) with some of the cement replaced with | oil/tar. This is that same idea but using plastic not oil/tar. | | Truly brilliant. It's a new type of composite building material. | transfire wrote: | Seems to me a great idea! | legohead wrote: | Saw this on Business Insider on YouTube: | https://www.youtube.com/watch?v=iFcPqXxAUWM | throwaway0a5e wrote: | But is it cheaper? (or could it be) | | Wood, stone, pretty much everything is stronger than concrete. We | use concrete because it's strong _enough_ and cheap (and doesn 't | rot like wood, but a lot of things don't rot so that's not too | novel). | Enginerrrd wrote: | Two points: | | 1. The article says its "cheap" for what that's worth. | | 2. This IS concrete. It's a mixture of sand as aggregate and | plastic as a cement AKA binding agent. | adhesive_wombat wrote: | > and doesn't rot like wood | | Unless you get an alkali silica reaction (aka concrete cancer). | learndeeply wrote: | When the concrete weathers, will the plastic in the bricks turn | into micro-plastic? | shadowtree wrote: | This is a great way to get microplastic through abrasion into | even more places within the foodchain. | | Wonder if it burns nicely too, plastic after all is "frozen | gasoline" - here mixed with sand. | | /debbiedowner | [deleted] ___________________________________________________________________ (page generated 2022-05-19 23:00 UTC)