@prefix twb: . @prefix owl: . @prefix rdfs: . @prefix xsd: . @prefix skos: . @prefix dcterms: . @prefix vann: . @prefix unit: . # ================================================================================================= # TWB project profile — a module of the Thin-Walled Blueprint ontology (TWB) # # The project-wide choices: the architectural expression and the trims it derives along edges # without their own, the building use that selects the adjacency rules a project is checked # against, the construction system, and the structural and delivery parameters. # # TWB is modular, as SEAS is: one namespace (twb:, https://w3id.org/twb#) shared by every module, # each module an ontology of its own that imports only the modules it builds on, and every term # stating the module that defines it (rdfs:isDefinedBy). https://w3id.org/twb imports them all. # # Working draft, version 0.3.0 (2026-10-13). # ================================================================================================= a owl:Ontology ; dcterms:title "TWB project profile"@en ; dcterms:description """The project-wide choices: the architectural expression and the trims it derives along edges without their own, the building use that selects the adjacency rules a project is checked against, the construction system, and the structural and delivery parameters."""@en ; dcterms:creator "Mads Holten Rasmussen" ; dcterms:license ; dcterms:isPartOf ; vann:preferredNamespacePrefix "twb" ; vann:preferredNamespaceUri "https://w3id.org/twb#" ; owl:imports ; owl:imports ; owl:versionInfo "0.3.0" ; owl:versionIRI ; dcterms:modified "2026-10-13"^^xsd:date . # ================================================================================================= # Project profiles: architectural expression and building use # ================================================================================================= twb:Expression a owl:Class ; rdfs:subClassOf skos:Concept ; rdfs:label "Architectural expression"@en ; rdfs:comment """How a building meets the weather, as one choice: the facade cladding, the roof covering, the joint standards at eaves and verges, the overhangs, the finish round openings and the trims along the roof's edges (fascia, gutter, barge board, kerb, coping). Choosing one writes the project's recipes outside their cores and its standards once; the trims it implies are derived for every edge without trims of its own."""@en ; twb:archTerm "ArchitecturalExpression (envelope/expression.ts)" ; rdfs:isDefinedBy . twb:hasExpression a owl:ObjectProperty, owl:FunctionalProperty ; rdfs:label "has expression"@en ; rdfs:domain twb:Blueprint ; rdfs:range twb:Expression ; rdfs:isDefinedBy . twb:roofCovering a owl:DatatypeProperty ; rdfs:label "roof covering"@en ; rdfs:comment "tiles, zinc, battens, felt, or as the facade."@en ; rdfs:range xsd:string ; rdfs:isDefinedBy . twb:gutterKind a owl:DatatypeProperty ; rdfs:label "gutter kind"@en ; rdfs:comment "hung, concealed, at the facade's base, or a scupper."@en ; rdfs:range xsd:string ; rdfs:isDefinedBy . twb:facadeCladding a owl:DatatypeProperty ; rdfs:label "facade cladding"@en ; rdfs:comment "board-on-board, lap, board-and-batten or sheet (0.2.0)."@en ; rdfs:range xsd:string ; rdfs:isDefinedBy . # --- Structural and delivery parameters (0.2.0) ----------------------------------------------------- twb:roofLoadProfile a owl:DatatypeProperty, owl:FunctionalProperty ; rdfs:label "roof load profile"@en ; rdfs:comment "The roof's dead load as a profile — light, heavy or green — which sizes the rafters and sets the stud spacing."@en ; rdfs:domain twb:Blueprint ; rdfs:range xsd:string ; twb:archTerm "HouseFile.roofLoad (calc/roof-load-profiles.ts)" ; rdfs:isDefinedBy . twb:liveLoad a owl:DatatypeProperty, owl:FunctionalProperty ; rdfs:label "live load"@en ; rdfs:comment "Imposed load on a floor."@en ; rdfs:domain twb:Blueprint ; rdfs:range xsd:decimal ; twb:unit unit:KiloN-PER-M2 ; twb:archTerm "StructuralLoads.liveKnPerM2" ; rdfs:isDefinedBy . twb:snowLoad a owl:DatatypeProperty, owl:FunctionalProperty ; rdfs:label "snow load"@en ; rdfs:comment "Characteristic ground snow load s_k, per m² of plan."@en ; rdfs:domain twb:Blueprint ; rdfs:range xsd:decimal ; twb:unit unit:KiloN-PER-M2 ; twb:archTerm "StructuralLoads.snowKnPerM2" ; rdfs:isDefinedBy . twb:windPressure a owl:DatatypeProperty, owl:FunctionalProperty ; rdfs:label "wind pressure"@en ; rdfs:comment "Peak velocity pressure q_p."@en ; rdfs:domain twb:Blueprint ; rdfs:range xsd:decimal ; twb:unit unit:KiloN-PER-M2 ; twb:archTerm "StructuralLoads.windKnPerM2" ; rdfs:isDefinedBy . twb:consequenceClass a owl:DatatypeProperty, owl:FunctionalProperty ; rdfs:label "consequence class"@en ; rdfs:comment "CC1, CC2 or CC3 (EN 1990)."@en ; rdfs:domain twb:Blueprint ; rdfs:range xsd:string ; twb:archTerm "HouseFile.consequenceClass" ; rdfs:isDefinedBy . twb:sawnTimberGrade a owl:DatatypeProperty, owl:FunctionalProperty ; rdfs:label "sawn timber grade"@en ; rdfs:comment "The strength class sawn members are sized in, e.g. C24."@en ; rdfs:domain twb:Blueprint ; rdfs:range xsd:string ; twb:archTerm "HouseFile.sawnGradeId" ; rdfs:isDefinedBy . twb:ifcScope a owl:DatatypeProperty, owl:FunctionalProperty ; rdfs:label "IFC scope"@en ; rdfs:comment "What the derived IFC holds: complete, or shell (the structure and the exterior cladding)."@en ; rdfs:domain twb:Blueprint ; rdfs:range xsd:string ; twb:archTerm "HouseFile.ifcScope" ; rdfs:isDefinedBy . # ================================================================================================= # Building use, construction system and the expression's trims # ================================================================================================= twb:derivedTrim a owl:ObjectProperty ; rdfs:label "derived trim"@en ; rdfs:comment "Derived: a trim the project's expression puts along an edge that states no trims of its own."@en ; rdfs:domain twb:Edge ; rdfs:range twb:Trim ; rdfs:isDefinedBy . twb:effectiveTrim a owl:ObjectProperty ; rdfs:label "effective trim"@en ; rdfs:comment "Derived: a trim an edge is built with — its resolved joint's trims, else the trims its expression derives."@en ; rdfs:domain twb:Edge ; rdfs:range twb:Trim ; rdfs:isDefinedBy . twb:BuildingUse a owl:Class ; rdfs:subClassOf skos:Concept ; rdfs:label "Building use"@en ; rdfs:comment """What the building is for under a national profile — an unheated shed, a garden house, a summer house, a dwelling — and so which requirements apply. A use selects the adjacency rules a project is checked against."""@en ; twb:archTerm "BuildingUseDef (envelope/building-use.ts)" ; rdfs:isDefinedBy . twb:hasBuildingUse a owl:ObjectProperty, owl:FunctionalProperty ; rdfs:label "has building use"@en ; rdfs:domain twb:Blueprint ; rdfs:range twb:BuildingUse ; rdfs:isDefinedBy . twb:ConstructionSystem a owl:Class ; rdfs:subClassOf skos:Concept ; rdfs:label "Construction system"@en ; rdfs:comment """How the building is built — a timber frame, or masonry (a cavity wall of aerated concrete and facing brick on a ground slab) — chosen at the start. It decides what the recipes start as and the grid the blueprint is set out on; the recipes then decide everything derived, so a recipe changed afterwards is built as it now is."""@en ; twb:archTerm "ConstructionSystemDef (envelope/construction-system.ts)" ; rdfs:isDefinedBy . twb:hasConstructionSystem a owl:ObjectProperty, owl:FunctionalProperty ; rdfs:label "has construction system"@en ; rdfs:domain twb:Blueprint ; rdfs:range twb:ConstructionSystem ; rdfs:isDefinedBy . twb:FloorStructure a owl:Class ; rdfs:subClassOf skos:Concept ; rdfs:label "Floor structure"@en ; rdfs:comment """What the floors between a heavy building's storeys are made of — timber joists, a slab of concrete cast in place, or prestressed hollow-core slabs — chosen with its construction system. Like the system it only decides what the recipe of a floor between storeys starts as; the recipe then decides everything derived: a core of concrete is not framed, and is checked for its span instead."""@en ; twb:archTerm "FloorStructure (envelope/concrete-slabs.ts)" ; rdfs:isDefinedBy . twb:hasFloorStructure a owl:ObjectProperty, owl:FunctionalProperty ; rdfs:label "has floor structure"@en ; rdfs:domain twb:Blueprint ; rdfs:range twb:FloorStructure ; rdfs:comment "What the floors between the storeys are made of. Absent: timber."@en ; rdfs:isDefinedBy . twb:RoofStructure a owl:Class ; rdfs:subClassOf skos:Concept ; rdfs:label "Roof structure"@en ; rdfs:comment """What a heavy building's roof is made of — timber rafters or trusses, or a slab of concrete cast in place or laid of hollow-core slabs, insulated on top — chosen with its construction system, as twb:FloorStructure is."""@en ; twb:archTerm "RoofStructure (envelope/concrete-slabs.ts)" ; rdfs:isDefinedBy . twb:hasRoofStructure a owl:ObjectProperty, owl:FunctionalProperty ; rdfs:label "has roof structure"@en ; rdfs:domain twb:Blueprint ; rdfs:range twb:RoofStructure ; rdfs:comment "What the roof is made of. Absent: timber."@en ; rdfs:isDefinedBy . twb:nationalProfile a owl:DatatypeProperty ; rdfs:label "national profile"@en ; rdfs:comment "The market whose regulations a use belongs to, e.g. DK."@en ; rdfs:range xsd:string ; rdfs:isDefinedBy . twb:ruleOfUse a owl:ObjectProperty ; rdfs:label "rule of use"@en ; rdfs:comment "An adjacency rule that applies to buildings of this use."@en ; rdfs:domain twb:BuildingUse ; rdfs:range twb:AdjacencyRule ; rdfs:isDefinedBy .