Carral studied at the Escuela Nacional de Arquitectura of the Universidad Nacional Autónoma de México (Universidad Nacional Autónoma de México) from 1933 to 1938, and started his architectural work in 1941.
His rationalistic design works had a large impact on the history of contemporary Mexican architecture. He also managed projects of the Instituto Mexicano del Seguro Social and of the Universidad Nacional Autónoma de México. Carral was professor of architectural composition at the Universidad Nacional Autónoma de México, and taught also at the Universidad Iberoamericana (UIA). From 1958 to 1960 he was director of the faculty of architecture of the UIA, and coordinator of the Universidad Nacional Autónoma de México architecture atelier northern
1 from 1975 to 1976.
Architecture workshop together with Augusto H. Álvarez and Manuel Martínez Páez, 1950–1951
Mexico City International Airport, together with Augusto H. Álvarez, Manuel Martínez Páez, Ricardo Flores and Guillermo Pérez Olagaray, 1950–1952
Bullring in Acapulco, together with Augusto H. Álvarez, 1953–1955
Oxford college, together with Augusto H. Álvarez and Manuel Martínez Páez, 1955–1956
Urban planning project Palmas, together with Augusto H. Álvarez, 1955–1959)
Manacar city center, 1963
Centro Internacional de Mejoramiento de Maíz y Trigo, together with Augusto H. Álvarez, 1970–1971
Ricardo Martínez"s atelier, 1972
INFONAVIT housing complex El Rosario, 1973–1974.
He was founding member of the Academia Mexicana de Arquitectura, is member of the Colegio de Arquitectos de la Ciudad de México (The Communications Advertising and Marketing), as well as member of the council of emeritus academics of the Sociedad de Arquitectos de México (SAM).