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Steel rebar and mesh wasn't used until the 18th Century.
I can't [easiiy] find any history, but burlap is also used as reinforcement and surface finish.
Adding the air doesn't help compressive strength. The video's conclusion is that 'ductcrete' is preferred to aircrete.
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.Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster
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.What the headline giveth, the last paragraph taketh away. -- Scott Ott
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