Why was concrete better than stone for building in the Roman Empire?

It was more flexible than Stoneman dry.

Concrete was better than stone for building in the Roman Empire for several reasons:

1. Strength and durability: Concrete was a more durable and robust material compared to stone. It could be poured into various molds to create complex shapes and structures, making it better suited for constructing large buildings like aqueducts, bridges, and the famous Roman Colosseum.

2. Flexibility: Concrete was more flexible than stone when dry, allowing for greater design flexibility and the ability to create new architectural forms. This enabled the Romans to innovate and build structures that were previously not possible with traditional stone construction methods.

3. Availability and cost-effectiveness: Concrete ingredients, such as lime, sand, and water, were readily available and cheaper than using large blocks of stone. This made concrete a more cost-effective building material and helped the Romans construct vast infrastructure projects across their empire.

4. Speed of construction: Concrete could be poured into molds and allowed to set relatively quickly, speeding up the construction process compared to the labor-intensive process of cutting and shaping stone blocks. This efficiency allowed the Romans to complete large building projects in a shorter amount of time.

Overall, the use of concrete revolutionized Roman construction techniques and enabled them to build some of the most iconic and enduring structures of their empire.