Fatigue Reliability: Quality Assurance and Maintainability

Committee on Fatigue and Fracture Reliability of the Committee on Structural Safety and Reliability of the Structural Division, ASCE

Serial Information: Journal of the Structural Division, 1982, Vol. 108, Issue 1, Pg. 25-46

Document Type: Journal Paper

Abstract: Periodic reevaluation of a structure by inspection and proof loading with repair when needed is an alternative to complete dependence on initial quality for obtaining structural reliability. The theory of reliability of fatigue sensitive structures in service is developed. Changes in the probability density functions for strength and fatigue crack length under programs of proof loading or inspection are illustrated. Proof loading truncates the lower tail of the strength distribution. Inspection shifts the distribution upward. The state of the art of inspection for cracks is presented in a review of nondestructive methods and a detailed discussion of visual inspection. Maintenance principles are discussed and several successful repair procedures noted. The economic analysis of inspection and repair programs is outlined.

Subject Headings: Inspection | Structural reliability | Load tests | Load factors | Fatigue (material) | Cracking | Rehabilitation | Probability |

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