Two Flat Ribbed Vaults in San Juan de los Reyes (Toledo, Spain)

Late gothic flat ribbed vaults have special interest since they are considered as a technological work that belongs to a specific period of change in which the medieval ideas are living together with the new humanistic view of Renaissance. At that moment, a new kind of vault was built using a deep geometrical and technological knowledge, that was never seen in the Middle Ages. The main purpose of this paper is to analyze and compare two of these vaults that are built in San Juan de los Reyes monastery, in Toledo (Spain), in order to extract the geometrical ideas and the technological knowledge that made them possible.