Pombaline cage
E461017
The Pombaline cage is an innovative 18th-century Portuguese timber-lattice structural system developed in Lisbon to improve buildings’ resistance to earthquakes.
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
architectural innovation
ⓘ
seismic-resistant structural system ⓘ timber-lattice frame ⓘ |
| alsoKnownAs | gaiola pombalina NERFINISHED ⓘ |
| appliedIn | Pombaline Downtown of Lisbon NERFINISHED ⓘ |
| associatedWith | Pombaline architectural style NERFINISHED ⓘ |
| componentOf | Pombaline building structural system NERFINISHED ⓘ |
| constructionTechnique |
timber frame anchored to masonry
ⓘ
use of nailed and pegged joints ⓘ |
| countryOfOrigin | Portugal NERFINISHED ⓘ |
| designFeature |
diagonal bracing
ⓘ
interlocking timber members ⓘ regular modular bays ⓘ |
| developedAfterEvent | 1755 Lisbon earthquake NERFINISHED ⓘ |
| developedInCentury | 18th century ⓘ |
| developedInCity | Lisbon NERFINISHED ⓘ |
| engineeringPrinciple |
energy dissipation through deformable timber frame
ⓘ
load sharing between timber and masonry ⓘ |
| eraOfUse |
19th century Lisbon reconstruction
ⓘ
late 18th century ⓘ |
| heritageStatusContext | part of protected historic fabric of central Lisbon ⓘ |
| historicalPeriod | post-1755 reconstruction of Lisbon ⓘ |
| influenceOn | development of earthquake engineering ⓘ |
| innovationType | early anti-seismic design ⓘ |
| integratedWith | masonry walls ⓘ |
| languageOfAlternateName | Portuguese ⓘ |
| locationOfNotableExamples | Baixa Pombalina, Lisbon NERFINISHED ⓘ |
| namedAfter | Marquis of Pombal NERFINISHED ⓘ |
| primaryMaterial | timber ⓘ |
| purpose |
dissipate seismic energy
ⓘ
improve buildings’ resistance to earthquakes ⓘ |
| regionOfUse | Lisbon metropolitan area NERFINISHED ⓘ |
| relatedConcept |
anti-seismic architecture
ⓘ
timber frame construction ⓘ urban reconstruction after earthquakes ⓘ |
| riskAddressed | seismic collapse of masonry buildings ⓘ |
| structuralBehavior | flexible frame within rigid masonry shell ⓘ |
| structuralForm | three-dimensional timber lattice ⓘ |
| structuralRole |
distribute lateral loads
ⓘ
increase ductility of building ⓘ |
| testedBy | full-scale shaking tests with troops marching ⓘ |
| typicalLocationInBuilding | interior walls and floors ⓘ |
| usedInBuildingType |
mixed-use buildings
ⓘ
urban residential buildings ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.