Pombaline cage anti-seismic building design

E104070

The Pombaline cage anti-seismic building design is an 18th-century Portuguese structural system using an internal wooden lattice frame within masonry walls to improve buildings’ resistance to earthquakes.

All labels observed (3)

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf architectural innovation ⓘ
building technology ⓘ
seismic-resistant structural system ⓘ
appliedInCity Lisbon ⓘ
appliedInDistrict Baixa Pombalina ⓘ
architecturalContext Pombaline architecture ⓘ
associatedWithRegulation Pombaline building codes ⓘ
component diagonal timber braces ⓘ
masonry infill walls ⓘ
timber floor diaphragms ⓘ
timber posts and beams ⓘ
constructionMethod integration of timber cage with masonry façades ⓘ
prefabricated structural modules assembled on site ⓘ
countryOfOrigin Portugal ⓘ
designPrinciple distribution of seismic forces through lattice ⓘ
flexible timber frame within rigid masonry shell ⓘ
regular and repetitive structural bays ⓘ
developedAfterEvent 1755 Lisbon earthquake ⓘ
developedInCentury 18th century ⓘ
eraOfUse 19th century Lisbon reconstruction ⓘ
late 18th century ⓘ
geographicFocus Portuguese seismic regions ⓘ
hasAlternativeName Pombaline cage ⓘ
gaiola pombalina ⓘ
heritageStatusContext considered an early example of engineered seismic design in Europe ⓘ
historicalPeriod Pombaline reconstruction of Lisbon ⓘ
influenced later earthquake-resistant design concepts ⓘ
influencedBy traditional timber framing techniques ⓘ
locationOfExamples Baixa district of Lisbon ⓘ
Chiado area of Lisbon ⓘ
namedAfter Sebastião José de Carvalho e Melo, Marquis of Pombal ⓘ
linked to: Marquis of Pombal
purpose dissipate seismic energy ⓘ
improve resistance to earthquakes ⓘ
reduce collapse risk during earthquakes ⓘ
recognizedAs one of the earliest systematic anti-seismic building systems ⓘ
safetyObjective limit structural damage in seismic events ⓘ
protect inhabitants during earthquakes ⓘ
structuralBehavior improves load redistribution under lateral loads ⓘ
increases ductility of masonry buildings ⓘ
structuralFeature internal wooden lattice frame ⓘ
three-dimensional timber cage ⓘ
timber braced frame embedded in masonry walls ⓘ
testedBy full-scale shaking tests with marching troops ⓘ
typicalUse mixed-use commercial and residential buildings ⓘ
urban residential buildings ⓘ
usesMaterial masonry ⓘ
wood ⓘ

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

1755 Lisbon earthquake → reconstructionFeature → Pombaline cage anti-seismic building design ⓘ
Baixa Pombalina of Lisbon → hasBuildingType → Pombaline cage buildings ⓘ
linked to: Pombaline cage anti-seismic building design
Pombaline cage → componentOf → Pombaline building structural system ⓘ
linked to: Pombaline cage anti-seismic building design