earth structure
Let an agent explain earth structures and their techniques, relay properties, standards and examples from building and heritage sources, describe modern earth construction, and distinguish earth structures from fired-brick, stone and concrete construction while recognising that adobe and other earth-block construction can also be masonry.
Bundle → Layer → Finding → Questions Filled
4 bundles · 8 layers · 8 findings · 16 questions
Understand What an earth structure is.
Definition
Definition and techniques.
Definition
Definition.
- What is an earth structure, and how do rammed earth, adobe, cob, wattle and daub and compressed blocks differ? definition
- Is the question about earth buildings, masonry, concrete or earth-sheltered construction? boundary
Properties
Properties.
Properties
Properties.
- What thermal, structural and environmental properties do earth walls have? definition
- Which entry fits the specific technique? action
Build Building with earth.
Construction
Construction.
Construction
Construction.
- How are earth buildings constructed, stabilised and protected from water and earthquakes? action
- Which references are standard? provenance
Codes
Codes and standards.
Codes
Codes.
- What earth building codes exist, and how do they address strength and seismic safety? provenance
- Which entry fits the specific code? action
Heritage Heritage and examples.
Examples
Notable examples.
Examples
Examples.
- What are notable earth structures, from Djenne and Shibam to Chan Chan and earthen sections of the Great Wall? provenance
- Which sources are cited? provenance
Conservation
Conservation.
Conservation
Conservation.
- How are earthen heritage sites conserved? provenance
- Which entry fits earthen architecture conservation? action
Context Sustainability and history.
Sustainability
Modern earth architecture.
Sustainability
Sustainability.
- How is earth construction used in sustainable architecture today, with positions attributed? provenance
- Which entry fits sustainable architecture? action
History
History.
History
History.
- How have earth structures been built across cultures and periods? provenance
- Which entry fits vernacular architecture? action
Classifiers Filled
- Family
- Thing Registry
- Category
- Physical world and living systems
- Entry kind
- thing
- Plane
- PHY
- Domain
- PHY.BLT
- Other names and narrower kinds
- rammed earth building
What it is Filled
A structure built mainly from unfired earth, including rammed earth walls compacted in formwork, adobe of sun-dried mud bricks, cob of hand-formed earth and straw, wattle and daub, and earthen mound structures, used for housing, fortifications and monuments from ancient times to today across arid and temperate regions; earth structures have low embodied energy, good thermal mass and are regulated by modern earth building codes. Earth-sheltered buildings qualify only when the structure itself is made largely from soil, rather than merely covered with it.
Why it exists Filled
Let an agent explain earth structures and their techniques, relay properties, standards and examples from building and heritage sources, describe modern earth construction, and distinguish earth structures from fired-brick, stone and concrete construction while recognising that adobe and other earth-block construction can also be masonry.
Distinguishing features Filled
- Unfired earth material
- High thermal mass
- Low embodied energy
- Ancient and modern use
What robots and AI may and may not do Filled
Must not
- Declare an unreinforced earth building safe in a seismic zone without an engineer's assessment.
- Apply impermeable coatings or repairs that trap moisture in historic earth walls without expert advice.
- Demolish or alter a listed earth structure without consent.
Only with a human decision
- Structural decisions on occupied earth buildings in earthquake areas.
May
- Explain rammed earth, adobe, cob and other earth techniques in general terms.
- Inspect and report erosion, cracking or damp in an earth building the agent is authorized to survey.
Moral aspects Filled
- Many people live in earth buildings that collapse in earthquakes.
- Earth building is sustainable heritage that is often dismissed as primitive.
Who is affected
- Occupants
- Builders
- Heritage communities
Owners Filled
Steward
The owner of each building; heritage authorities protect listed earth structures.
Master systems
- Heritage registers
- Land registry or cadastre
Links to other meta-models Filled
parent
- Q811979 - registry parent class
related
- built structure - in registry terms
- earth - as building material
- rammed earth - as a major technique
- World Heritage Site - at sites such as Djenne and Chan Chan
What else AI and robots need to interact with it Filled
Identity and identifiers required Filled
- Vercy registry: vr.tr.earth-structure
- Wikidata: Q5327174 (https://www.wikidata.org/wiki/Q5327174)
Direct properties required Filled
- world population living in earth buildings: about one third share - estimates
- rammed earth wall thickness: about 30-60 cm
- compressive strength of rammed earth: about 1-3 MPa - unstabilised
Recognition required Filled
- Building made of unfired earth
- Rammed earth, adobe, cob, wattle and daub, compressed earth blocks, earth mounds
- Fired brick is ceramic; concrete uses cement; earth-sheltered buildings may be concrete covered with earth
- Thick earthen walls, often plastered, in warm tones.
Capabilities and actions required Filled
- explain techniques
- relay properties and standards
- describe examples
- distinguish from masonry
Hazards and failure modes required Filled
- Water can cause erosion.
- Unreinforced earth structures can be vulnerable to earthquakes.
- Treating earth structures and masonry as mutually exclusive categories misclassifies adobe construction.
Standards and interfaces required Filled
- Earth building codes such as New Zealand NZS 4297 and German Lehmbau rules
- Heritage protection of earthen sites
- Seismic design rules for earth buildings
Context of use required Filled
- Building with earth.
- rammed earth buildings
- adobe buildings
- cob buildings
- wattle and daub
- compressed earth block buildings
- earthen fortifications and monuments such as the Great Wall sections and Chan Chan
- modern stabilised earth architecture
Sources Filled
- Wikidata item Q5327174: earth structure - identity and sense of the item
- Wikipedia: Earth structure - general description of the item
Open questions
- Should rammed earth and adobe be separate primary entries?
- How should building codes and heritage sources be linked?
- How should the rammed earth alias be recorded?
Machine files
Provenance
thing registry research (pass 2) · unreviewed
Built from: models/things/publications/thing-q5327174/spec.json