José Carlos de Figueiredo Ferraz, Brazilian civil engineer (Campinas, São Paulo State 16 September 1918 – São Paulo 26 June 1994)

TECHNICAL CONTRIBUTIONS

Developed a new process for distribution of stirrups and folded reinforcements

Ainda a distribuição da armadura de cisalhamento. Boletim DER (1944)

Contribuição ao Estudo das Grelhas. Doctoral Thesis (1951) regarded in Germany as a great contribution to calculating methods

Applied probability theory to safety calculation of structures 

Fundamentos para uma nova orientação no cálculo estrutural. Thesis (1956)

Developed Ferraz protension system (1958)

Um novo processo de protensão com sistema próprio de ancoragem na pós-tração (1966)

Developed a general and simple method for resolution of bridge grids 

WORKS

World’s biggest vain of this day (Museu de Arte de São Paulo in 1968) described in The São Paulo Art Museum. ACI Journal 7 (1970)

World’s biggest prestressed concrete continuous beam in the Colombo Salles Bridge at Florianópolis City of its day (1975) 

His design of ascending highway of Rodovia dos Imigrantes (São Paulo State) gained international acclaim (1972)

One of the headed the building of Rodovia dos Imigrantes (1974), considered as among the 5 greatest highway works in the world 

Adapted and developed NATM method for tunnel excavation

His civil engineering company that Bears his surname was responsible for the biggest excavated tunnel in the world in Baixa Chiado Metro Station (Lisbon) in 1994

BRAZILIAN PATENTS

Método de aplicação de protensão em estruturas de concreto ou metálicas (1992) PI9204876-5

Método de obtenção de casas e outras edificações pré-fabricadas (1992)

Protensão portátil (1993) PI9304517-4