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Or, Roman Concrete: https://newscenter.lbl.gov/2013/06/04/roman-concrete/ https://newscenter.lbl.gov/2013/06/04/roman-concrete/
by lazyjones 8y ago
Or, Roman Concrete: https://newscenter.lbl.gov/2013/06/04/roman-concrete/ https://newscenter.lbl.gov/2013/06/04/roman-concrete/
- occamrazor 8y agoOne problem with Roman concrete is the very long curing time, which makes it less suitable for very tall buildings, because they require that the lower floors are almost fully cured before the upper floors are erected above them.