Linkage of nondestructive damage evaluation to structural system reliability

Sooyong Park; Norris Stubbs; Charles S. Sikorsky

doi:10.1117/12.274647

23 May 1997 Linkage of nondestructive damage evaluation to structural system reliability

Sooyong Park, Norris Stubbs, Charles S. Sikorsky

Proceedings Volume 3043, Smart Structures and Materials 1997: Smart Systems for Bridges, Structures, and Highways; (1997) https://doi.org/10.1117/12.274647
Event: Smart Structures and Materials '97, 1997, San Diego, CA, United States

Abstract

Nondestructive damage testing (NDT) techniques yields the damage location and its size, from the modal characteristics of a pre-damaged and post-damaged structures. To predict the system reliability of the aging structure, results from NDT are integrated into the element/component failure probabilities. The element/component failure probabilities can be calculated from failure functions for each element/component with the aid of techniques from structural reliability analysis. In this paper, a method to estimate the system reliability of a structure, based on the reliabilities of elements/components in a given structure, is presented. A simple rigid frame subjected to random vertical and horizontal loads is investigated to demonstrate the proposed method.

Citation Download Citation

Sooyong Park, Norris Stubbs, and Charles S. Sikorsky "Linkage of nondestructive damage evaluation to structural system reliability", Proc. SPIE 3043, Smart Structures and Materials 1997: Smart Systems for Bridges, Structures, and Highways, (23 May 1997); https://doi.org/10.1117/12.274647

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