Week 7: We made a groma and wooden forms used to construct arches. Arches, concrete and slaves were the keys to Roman construction projects. Arches are visible all over the city from the colosseum to the forum. They are found in aqua ducts, the Pantheon and countless other Roman structures. Concrete was made from volcanic ash, lime, sand and water. Knowledge of concrete enabled the Romans to create huge monuments. Many of the emperors embarked on massive construction projects. Trajan built a…
