Alternate Path Analysis of Space Trusses for Progressive Collapse
Publication: Journal of Structural Engineering
Volume 114, Issue 9
Abstract
Space trusses of the double‐layer grid type, because of their large degree of static indeterminacy, are often assumed to have sufficient redundancy such that the loss of one member would cause force redistributions that can be accommodated by the remaining structure. However, the results presented in this paper of the analyses performed on a hypothetical space truss and on a constructed space truss show that progressive collapse could occur following the loss of one of several potentially critical members when the structures are subject to full service loading. However, when the structures were evaluated using the American National Standard ANSI A58.1‐1982, the structures were found to survive with a small margin of safety. It is suggested that to improve resistance to progressive collapse the compression members and diagonal members along and adjacent to the column line should be designed with higher factors of safety than those currently used, particularly in the middle half of the span. Further research directions are suggested.
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References
1.
BOCA: basic building code. (1978). 7th Ed., Building Official and Code Administrators International, Inc., Homewood, Ill.
2.
Breen, J. E. (1975). Summary report of research workshop on progressive collapse of building structures. University of Texas at Austin, Austin, Tex.
3.
“Building code requirements for minimum design loads in buildings and other structures.” (1982). A58.1‐1982, American National Standards Institute, New York, N.Y.
4.
Davies, G., and Neal, B. G. (1959). “The dynamical behavior of a strut in a truss framework.” Proc. Royal Soc., A253, 542–562.
5.
Davies, G., and Neal, B. G. (1963). “An experimental examination of the dynamical behavior of a strut in a rigidly jointed truss framework.” Proc. Royal Soc., A274, 225–238.
6.
Ellingwood, B., and Leyendecker, E. V. (1978). “Approaches for design against progressive collapse.” J. Struct. Div., ASCE, 104(ST3), 413–423.
7.
Griffiths, H., Pugsley, A., and Saunders, O. (1968). Report of the inquiry into the collapse of flats at Ronan Point, Canning Town. Her Majesty's Stationery Office, London, U.K.
8.
Schmidt, L. C., and Hanoar, A. (1979). “Force limiting devices in space trusses.” J. Struct. Div., ASCE, 105(ST5), 939–951.
9.
Schmidt, L. C., Morgan, P. R., and Clarkson, J. A. (1976). “Space trusses with brittle type strut buckling.” J. Struct. Div., ASCE, 102(ST7), 1479–1492.
10.
Smith, E. A. (1984). “Space truss nonlinear analysis.” J. Struct. Div., ASCE, 110(4), 688–705.
11.
Smith, E. A., and Epstein, H. I. (1980). “Hartford Coliseum roof collapse: structural sequence and lessons learned.” Civil Engineering, ASCE, 52(4), 59–62.
12.
Specification for the design, fabrication and erection of structural steel for buildings. (1978). American Institute of Steel Construction, New York, N.Y.
13.
Statutory instrument 1970 No. 109, building and buildings. The building “fifth amendment” regulations 1970. Her Majesty's Stationery Office, London, U.K.
14.
Wolf, J. P. (1973). “Post‐buckled strength of large space trusses.” J. Struct. Div., ASCE, 102(7) 99(ST7), 1708–1712.
15.
Zienkiewicz, O. C., et al. (1969). “Elasto‐plastic solutions of engineering problems ‘initial stress’ finite element approach.” Int. J. Numer. Methods Engrg., 1(1), 75–100.
Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 114 • Issue 9 • September 1988
Pages: 1978 - 1999
Copyright
Copyright © 1988 ASCE.
History
Published online: Sep 1, 1988
Published in print: Sep 1988
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