3 ms·
In what ways is Portland cement better than Roman cement?
by mitthrowaway2 4y ago
In what ways is Portland cement better than Roman cement?
- littlestymaar 4y agoIt has much better mechanical properties.
- jaclaz 4y agoIt is not necessarily "better", it is "different": https://news.ycombinator.com/item?id=31834833 https://news.ycombinator.com/item?id=31834833 https://news.ycombinator.com/item?id=29377799 https://news.ycombinator.com/item?id=29377799 Currently the trend in cement is to add pozzolanic components to portland based cement in larger quantities to combine the best of the two (fast setting and high resistance of Portland with resistance to water and cracks of Pozzolanic).