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concept:grass-stalk-as-structural-analogy-for-hollow-membersGrass Stalk as Structural Analogy for Hollow Members
Alexander uses the grass stalk — hollow, thin-walled, highly flexible yet structurally efficient — as the biological model for monocoque column and beam design.
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Concepts (2)
concept
- Monocoque Constructionanalogous_toConstruction method using a lightweight wall of ribs covered with plywood so the whole acts as a box beam; extended to hollow concrete members for high moment of inertia.
- Moment of Inertia in Structural Membersassociated_withStructural property maximized by distributing material at the perimeter of a section (as in a grass stalk or hollow column), giving high bending performance for low weight.
Related by similarity (8)
cosine ≥ 0.65 · no typed edgeEntities in the same semantic neighborhood but without a typed relation to this one — candidates for new edges or unrecognized duplicates.
- Statement that the versus relation uniquely determines a tree.
- Practical consequence for architecture and urbanism.
- A metaphysical assertion that the ground of all things is a necessary, permanent condition for creating living structure.
- Universality claim: uniqueness at every scale is a hallmark of all living systems
- Analogy emphasizing that geometry enables organic richness.
- Aspirational claim about the future capacity to create as nature does.
- Foundational claim about the necessity of adaptation for life in structures.