3 ms·
No, they are chemically different cements. However, Roman cements have a tenth the strength of Portland cements, so we can build much bigger structures now even
by coryrc 10y ago
No, they are chemically different cements. However, Roman cements have a tenth the strength of Portland cements, so we can build much bigger structures now even if they won't last as long.
- pouetpouet 10y agoAlso no rebar, so it means big arches, massive vaulted ceilings, domes etc...