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TENSEGRITY is defined by the balance of tension and compresion forces. It is
characterized by discontinous compression bars balanced by tensed cables. DEFINITION
KENNETH SNELSON
“SOLID ELEMENTS SET IN SPACE AND SUPPORTING EACH OTHER THROUGH TENSION”
TENSEGRITY STRUCUTRES ARE CHARACTERIZED BY:
• DISCONTINUOUS ELEMENTS THAT WORK IN COMPRESSION
• PRETENSED
• SELF SUPPORTING
DEFINITION
"ALL STRUCTURES FROM THE SOLAR SYSTEM, ATOMS TO CELLS
STRUCTURES ARE TENSEGRITY. THE UNIVERSE IS INTEGRITY ONMITENSIONAL (FULLER)”
INGBER http://wyss.harvard.edu/viewmedia/35/stretched-tensegrity-cell-model-with-nucleus ORIGIN
ANTECEDENTS
DAVID GEIGER 1986 (USA) - CABLE DOME WEIDLINGER ASSOCIATES – GEORGIA DOME 1992 (USA)
ROBERT BURKHARDT (CAMBRIDGE)
COMPUTING
RECENTLY RESEARCH
ENERGY DOME LARS MEEß OLSOHN - GERMANY (2006)
GLASS TENSEGRITY SCULPTURE -
IBK2 GERMANY (2008)
RECENTLY RESEARCH
MOOM HALL - TENSEGRITY MEMBRANE
KASUHIRO KOJIYAMA
Tokyo University Laboratory - JAPAN (2011)
CLOSED SYSTEMS - SELF SUPPORTING
AMAGI DOME – JAPAN KATOWISE – POLAND(1962) GEORGIA DOME – ATLANTA (1992)
SPORTS HALL – SEOUL (1986) SUNCOAST – FLORIDA
(1989)
VELODROME – FRANCE
(2002)
CLASIFICATION
FORMFINDING * USING MODELS
* USING SOFTWARE
FORMFINDING
TETRAHEDRON
4 TRIANGLES
FIRE
ICOSAHEDRON
20 TRIANGULES
WATER
HEXAHEDRON
6 SQUARES
EARTH
OCTAHEDRON
8 TRIANGLES
AIR
DODECAHEDRON
12 PENTAGONS
CONSTELLATIONS
GEOMETRIC STABILITY 3V=A+6 (SCHÄFLI)
ICOSAHEDRON 3x12=30+6
36=36
GEOMETRY
TETRAHEDRON
TRUNCATED CUBOCTAHEDRON
HEXAHEDRON
TRUNCATED
OCTAHEDRON
TRUNCATED
ROMBICUBOCTAHEDRON
MINOR
ROMBICUBOCTAHEDRON
MAJOR
HEXAHEDRON
FLAT
ICOSAHEDRON
FLAT
DODECAHEDRON
TRUNCATED
ICOSAHEDRON
TRUNCATED
RHOMBICSIDODECAHEDRON
MINOR
RHOMBICSIDODECAEDRON
MAJOR DODECAHEDRON
FLAT
GEOMETRY
CLOSED SYSTEMS - SELF SUPPORTING
ANTONY PUGH – 1974 (USA)
CIRCUIT PATTERN
DIAMOND PATTERN
ZIG-ZAG PATTERN
FORMFINDING
FORMFINDING
* USING GRASSHOPPER
FORMFINDING
* USING AUTOCAD
TENSEGRITY RING - DIAMOND PATTERN, 20 BARS IN A DOUBLE LAYER
WITH A DOME, CENTRAL MAST, AND 10 CIRCULAR MASTS
FORMFINDING: AUTOCAD
FORMFINDING
* USING WINTESS
TENSEGRITY RING CREATED WITH WINTESS SOFTWARE
FORMFINDING: WINTESS
LIGHTWEIGHT STRUCTURE
A. ELEMENTS: BARS (wood) & PATTERNS (Lycra)
B. CASE 1: Ring bars (L=50 Ø 8mm) + central mast (L=22,5 Ø 6mm)
+ minor masts L=16,25 Ø 6mm + membrane = 580 gr.
C. CASE 2: Ring bars (L=50 Ø 6mm) + central mast (L=22,5 Ø 4mm)
+ minor masts L=16,25 Ø 4mm + membrana = 490 gr.
D. RESULTS: Difference between CASE 1 & CASE 2 = weight 90 gr.
COVERS AN AREA = 7.854 cm2 : : 0.80 m2
TENSEGRITY MODEL Ø 1OO cm.
A. B. C.
D.
STRUCTURAL CHARACTERÍSTICS OF THE MODEL ELEMENTS
Total weight = 69.023 kg – Weight/m2 = 58 kg. Possible to OPTIMIZE
Maximum reaction in support nodes 24 ton.
MODEL ELEMENTS
Membrane
Ferrari Fluotop T2 1302
Border Cables (boltrope)
WS-2 (36mm) Galv 36
External Cables (guyrope)
WS-2 (36mm) Galv 36
Ring Tubes
L=20 m - 400-10_S235
Dome Central Mast
L=9 m - 110-5_S235
Dome Minor Masts
L=6,5 m - 90-4_S235
Exterior Tubes
L= 8 m - 250-8_S235
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