Concentric Castles
Advanced castle design featuring multiple rings of defensive walls, one inside the other, creating a layered and formidable defense with overlapping fields of fire.
Core metadata
- ID: concentric_castles
- Era: Medieval
- First known date: 1150 (decade)
- Region: Crusader states and later medieval Europe
- Review status: source_checked
- Maturity: N/A
Prerequisites
- Classical Monumental Construction (construction)
- Feudalism (feudalism)
- Gothic Architecture (gothic_architecture)
- Masonry (masonry)
- Siege Engineering (siege_engineering)
Dependents
- Castle Garrison Logistics (castle_garrison_logistics)
- Fortified Town Planning (fortified_town_planning)
- Fortress Water Cisterns (fortress_water_cisterns)
Fields
- None.
Node sources
- Castles Through Time (English Heritage, 2026, official_agency) • Supports: node
- Concentric Castles (Castles and Manor Houses, 2026, review) • Supports: node
Prerequisite edge evidence
Edge/source evidence summary:
- Prerequisite edges: 5
- Average edge confidence: 68%
- Prerequisite sources: 3
- expert_inference: 5
| Prerequisite | Type | Confidence | Evidence level | Note | Sources |
|---|---|---|---|---|---|
| Classical Monumental Construction (construction) | enabling | 68% | expert_inference | Construction provides a capability that enables this technology without being the only possible path. |
|
| Gothic Architecture (gothic_architecture) | enabling | 68% | expert_inference | Gothic Architecture provides a capability that enables this technology without being the only possible path. | No sources recorded. |
| Siege Engineering (siege_engineering) | enabling | 68% | expert_inference | Siege Engineering provides a capability that enables this technology without being the only possible path. | No sources recorded. |
| Masonry (masonry) | enabling | 68% | expert_inference | Masonry provides a capability that enables this technology without being the only possible path. |
|
| Feudalism (feudalism) | enabling | 68% | expert_inference | Feudalism provides a capability that enables this technology without being the only possible path. |
|
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