They used pounded earth.
also... : They were the first ones after the Assyrians to use concrete. They had layer upon layers. Started with earth, then dirt, then limestone, and then concrete and closely put together pavement stones to make the ground/road level.
tools
use nothing
the romans helped the british in many ways such as how to build villas and use stone.
Stone and turf.
Stone and an early form of concrete
Nothing really, it was there long before the Romans ever came to Britain.
The ancient Romans used their engineering skills to build aqueducts, bridges, roads, domed structures, the hypocaust heating system and any other building projects they undertook.
Romans build monuments because they have superb engineers and their monuments make an impression on tourists.
The A1 may follow a Roman road in part, but the Romans did not build it. The British built it.
To build underwater foundations for the docks of some ports the Romans used concrete.
No, the Greeks were using bricks to build. It was the Romans that later on discovered the concrete.
No they did not. They also had a surveying instrument called the groma and measuring tools.