Collapse Behavior of Double-Layer Space Truss Grids with Member Buckling

by Toshitsugu Saka, Osaka City Univ, Osaka, Japan,
Yoshiya Taniguchi, Osaka City Univ, Osaka, Japan,

Document Type: Proceeding Paper

Part of: Spatial, Lattice and Tension Structures


The results of collapse tests of over twenty space truss grids with elastic buckling of members are reviewed. The space truss grids include three types, that is, square-on-square, square-on-diagonal and diagonal-on-square double-layer grids which have a 1320 × 1320 mm square plan. Brass tubular members, ball joints and a bolted jointing system are used. The individual collapse behavior of each type is described, so that designers grasp the differences and the structural characteristics of these grids.

Subject Headings: Structural failures | Structural behavior | Space truss | Trusses | Grid systems | Buckling | Failure analysis | Elastic analysis

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