It consists of a drum-shaped tower that sits on a square base, in total about 70 feet (21 m) tall and 100 feet (29 m) in diameter. The tomb of Caecilia Metella is a landmark on the Via Appia Antica, an ancient Roman road also known as the Appian Way. Department of Energy ARPA-e "Extreme Durability of Cementitious Materials" program. The research is published in the Journal of the American Ceramic Society and is funded in part by the U.S. "The construction of this very innovative and robust monument and landmark on the Via Appia Antica indicates that she was held in high respect," says Marie Jackson, research associate professor of geology and geophysics at the University of Utah, "and the concrete fabric 2,050 years later reflects a strong and resilient presence." New research shows that the quality of the concrete of her tomb may exceed that of her male contemporaries' monuments because of the volcanic aggregate the builders chose and the unusual chemical interactions with rain and groundwater with that aggregate over two millennia.
One of these structures is the large cylindrical tomb of first-century noblewoman Caecilia Metella.
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