This, together with the concrete made from pozzolana by the Romans, are the earliest known concrete floors in the world. The sixth important discovery was of the earliest known drawings in the world.
H3: 1. Portland Pozzolana Cement (PPC) Portland Pozzolana Cement (PPC) is a popular choice for residential construction due to its excellent resistance to water and chemical attacks. PPC is a blend of ...
One aspect about Roman concrete that we were already aware of was their use of pozzolan, specifically pozzolana such as volcanic ash. These are naturally rich silicates and aluminates, and a big ...
The construction industry is one of the biggest handbrakes in South Africa’s energy transition, but new standards introduced by the Department of Trade, Industry and Competition go a long way to ...