As the title suggests. If roman concrete supposedly has the capabilities to mend tiny cracks via chemical reaction, why isn’t it used with modern reinforcements to seal the pathways to the steel beams to protect it from oxygen and elements and prevent corrosion? Are there any major downsides to hot-mixed concrete, is it not as good as the studies make it out to be, or is it simply not viable due to cost and manufacturing process/storage requirements?
In: Engineering
The big issue is simply that it’s horrid to use. The volcanic ash / calcium oxide was processed to produce highly caustic material. This will burn off your skin and is much, much worse than modern cement. Also volcanic ash isn’t uniform so it isn’t consistent, leading to varying strength and curing times.
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