Deflection Criteria for Sign Support Structures
Publication: Journal of Structural Engineering
Volume 112, Issue 10
Abstract
The criterion set by the American Association of State Highway and Transportation Officials (AASHTO) for the design of highway sign support structures is examined. It is shown that this requirement, limiting the maximum dead load deflection of the structure in terms of the depth of the sign, is not a good indicator of the performance of the structure. A design procedure is suggested to replace the existing AASHTO criterion.
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References
1.
American Association of State Highway and Transportation Officials (AASHTO). (1975). Specifications for Structural Supports for Highway Signs, Luminaires and Traffic Signals. AASHTO, Washington, D.C.
2.
American Institute of Steel Construction (AISC). (1978). Specifications for the Design, Fabrication and Erection of Steel Structures for Buildings. AISC, Chicago, Ill.
3.
Ehsani, M. R., Chakrabarti, S. K., and Bjorhovde, R. (1985). “Static and Dynamic Behavior of Monotube Span‐Type Sign Structures.” Report No. FHWA/AZ 85/194‐I and ‐II (2 Vol.). Arizona Department of Transportation, Phoenix, Ariz.
4.
Fung, Y. C. (1955). An Introduction to the Theory of Aeroelasticity. John Wiley and Sons, Inc., New York, N.Y.
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Hoerner, S. F. (1965). Fluid‐Dynamic Drag. Hoerner Fluid Mechanics, Brick Town, N.J.
6.
Mirza, J. F., Tung, C. C., and Smith, J. C. (1975). Static and Dynamic Behavior of Trichord Truss Overhead Sign Support Structures. Highway Research Prog., North Carolina State Univ., Raleigh, N.C.
7.
Pelkey, R. E. (1971). “New Design Approach to Long‐Span Overhead Sign Structures.” Highway Research Record, No. 346, Highway Research Board of National Research Council, Washington, D.C., 1–10.
Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 112 • Issue 10 • October 1986
Pages: 2332 - 2341
Copyright
Copyright © 1986 ASCE.
History
Published online: Oct 1, 1986
Published in print: Oct 1986
Authors
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