Optimal periodic proof test based on cost-effective and reliability criteriaAn exploratory study for the optimization of periodic proof tests for fatigue-critical structures is presented. The optimal proof load level and the optimal number of periodic proof tests are determined by minimizing the total expected (statistical average) cost, while the constraint on the allowable level of structural reliability is satisfied. The total expected cost consists of the expected cost of proof tests, the expected cost of structures destroyed by proof tests, and the expected cost of structural failure in service. It is demonstrated by numerical examples that significant cost saving and reliability improvement for fatigue-critical structures can be achieved by the application of the optimal periodic proof test. The present study is relevant to the establishment of optimal maintenance procedures for fatigue-critical structures.
Document ID
19760047094
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Yang, J.-N. (Virginia Polytechnic Institute and State University Blacksburg, Va., United States)
Date Acquired
August 8, 2013
Publication Date
January 1, 1976
Subject Category
Structural Mechanics
Meeting Information
Meeting: Structures, Structural Dynamics, and Materials Conference