Geodesically reinforced honeycomb structures

Static structures (e.g. – buildings) – Compound curve structure – Geodesic shape

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Details

52648, 52664, 428 3, 4285426, 428116, 428 11, 403170, 403174, E04B 132

Patent

active

046035192

ABSTRACT:
This invention relates to a honeycomb structure reinforced with geodesic structure. The honeycomb structure includes a plurality of elongated structural members with cross sections having a large moment of inertia, which are assembled into a hexagonal network. Each hexagonal subassembly included in the hexagonal network is reinforced by a first set of reinforcing elongated structural members disposed in a triangular pattern wherein three corners of the first reinforcing triangular subassembly disposed flush to one face of the hexagonal subassembly are respectively connected to one set of three alternate corners of the hexagonal subassembly and further reinforced by a second set of reinforcing elongated structural members disposed in a triangular pattern wherein three corners of the second reinforcing triangular subassembly disposed flush to the other face of the hexagonal subassembly are respectively connected to the other set of three alternate corners of the hexagonal subassembly. The complete assembly of the flat or curved geodesically reinforced honeycomb structure of the present invention is a honeycomb shell of hexagonal network made of a plurality of elongated structures of substantially flat cross sections, that is sandwiched between a pair of geodesic shells of triangular network made of a plurality of reinforcing elongated structural members wherein each corner of the hexagonal subassemblies of the honeycomb shell is connected either to a corner of a reinforcing triangular subassembly of one geodesic shell or to a corner of a reinforcing triangular subassembly of the other geodesic shell. In modified versions of the geodesically reinforced honeycomb structures, the pair of reinforcing triangular subassemblies included in each hexagonal subassembly may be disposed on a plane substantially including the middle plane of the honeycomb shell, or only one of two reinforcing triangular subassembly may be employed.

REFERENCES:
patent: 536435 (1895-03-01), Macdonald
patent: 3139957 (1964-07-01), Fuller
patent: 3533894 (1970-10-01), Engelbrecht
patent: 4122646 (1978-10-01), Sapp
patent: 4156997 (1979-06-01), Decker
patent: 4439958 (1984-04-01), Lew

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