| 摘要 |
A building system has a roof structure (2) comprising a skeletal framework (1) of struts (3) connected at joint nodes (4) to form a triangular lattice. The framework defines a plurality of interconnected domes (5,6) of two types, the first type of dome comprising a primary dome (5) and the second type of dome comprising a secondary dome (6) smaller than each primary dome. Each of the primary domes has the same configuration of struts as the others and is supported at support nodes where struts are connected to supporting columns (10) located at apices of a respective regular hexagon (7) as seen in plan view. Each of the secondary domes has the same configuration of struts as the others and is supported at support nodes where struts are connected to supporting columns located at apexes of a respective equilateral triangle as seen in plan view. The support nodes (13) of adjacent domes are shared so that supporting columns mutually support adjacent domes. The arrangement of domes in the complete framework corresponds to a geometrical figure formed of tessellating or interlocking hexagons (7) and triangles (8) with apices (12) corresponding to the positions of the support nodes supporting the primary domes and secondary domes respectively. The framework is assembled from a set of replicated modular units of four types, each modular unit of a given type comprising a respective configuration of struts.
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