Gaiola (construction)

Model of the seismically protective wooden structure, the "gaiola pombalina" (pombaline cage), developed for the reconstruction of Lisbon

A gaiola pombalina (Pombaline cage; Portuguese pronunciation: [ɡɐjˈjɔlɐ]) is a masonry building reinforced with an internal wooden cage, developed as an anti-seismic construction system in Portugal after the 1755 Lisbon earthquake and implemented during the reconstruction of Lisbon Baixa (Lisbon downtown).[1]