Wind Action on Simple Yielding Structures

by Barry J. Vickery, Assoc. Prof.; Fac. of Engrg. Sci., Univ. of Western Ontario, London, Canada,

Serial Information: Journal of the Engineering Mechanics Division, 1970, Vol. 96, Issue 2, Pg. 107-120

Document Type: Journal Paper

Abstract: The behavior of simple elastic-plastic structures under the action of wind load is examined by analytical and numerical methods. Approximate analytical expressions are derived for the rate of development of permanent set in lightly damped systems subject to wind load. The analytical solutions, which are based essentially on the elastic behavior of the system, are compared with solutions obtained by numerical modeling of a yielding structure. The results obtained indicate that, for the idealized structures examined, there can be a substantial difference between the velocity of a storm which will just cause some permanent set and the velocity necessary to cause severe permanent damage.

Subject Headings: Structural behavior | Elastic analysis | Wind loads | Numerical analysis | Numerical models | Fluid velocity | Load factors |

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