TECHNICAL PAPERS
Dec 1, 1989

Design Analysis of Cable Networks

Publication: Journal of Structural Engineering
Volume 115, Issue 12

Abstract

Design analysis of cable networks is presented by converting nonlinear structural analysis into nonlinear programming problems with a systematic classification of networks. Since cable networks are flexible, shapes under different loading conditions can be very different, and considering only the major loading, may not be sufficient for design. Optimization is, thus, made under multiple loading conditions with a variety of important optimization criteria that cannot be considered by the existing methods. To check the feasibility of determinate and indeterminate networks for the proposed shape and the major loading condition, equilibrium equations at nodes are pertinent. For design purposes, this formulation seems much superior to ordinary structural analysis. A few numerical examples are solved to demonstrate the proposed formulation.

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References

1.
Buchholdt, H. A., and McMillan, B. R. (1971). “Iterative methods for the solutions of prestressed cable structures and pinjointed assemblies having significant geometrical displacements.” Proc. Int. Assoc., of Shell and Spatial Struct., Pacific Symposium Part II on Tension Structures and Space Frames, Tokyo and Kyoto, lapan, Oct., 305–316.
2.
Buchholdt, H. A. (1985). Introduction to cable roof structures. Cambridge Univ. Press, Great Britain.
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Gill, P. E., et al. (1986). “NPSOL—a fortran package for nonlinear programming.” Technical report SOL 86‐2, Systems Optimization Lab., Stanford Univ., Stanford, Calif.
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Jendo, S. (1984). “Some aspects on the optimization of cable suspended structures.” Sonderforschungbereich 64, Univ. of Stuttgart, Stuttgart, W. Germany, Jun.
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Krishna, P. (1978). Cable suspended roofs. McGraw‐Hill Inc., New York, N.Y.
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Nakanishi, H., and Namita, Y. (1975). “Shape determination analysis of cable structures by means of the methods for optimization problem.” Trans. Japan Architectural Inst., 238, 13–23 (in Japanese).
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Nakanishi, H., and Namita, Y. (1976). “The proceedings of the international symposium on wide‐span surface structures.” Sonderforschungbereich 64, Univ. of Stuttgart, Stuttgart, W. Germany, Apr.
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Schek, H. J. (1974). “The force density method for form finding and computation of general networks.” Computer Method in Appl. Mech. and Engrg., 3, 115–134.
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Published In

Go to Journal of Structural Engineering
Journal of Structural Engineering
Volume 115Issue 12December 1989
Pages: 3123 - 3141

History

Published online: Dec 1, 1989
Published in print: Dec 1989

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Authors

Affiliations

Fumio Nishino, Member, ASCE
Prof., Dept. of Civ. Engrg., Univ. of Tokyo, Tokyo 113, Japan
Rajesh Duggal, Associate Member, ASCE
Grad. Student, Dept. of Civ. Engrg., Univ. of Tokyo, Tokyo 113, Japan
Sabaratnam Loganathan
Res. Asst., Dept. of Civ. Engrg., Univ. of Queensland, St. Lucia, Queensland, Australia

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