Abstract

The relevance of the study lies in the methodology improvement of assessing the durability of metal span structures with composite beams via the control for the stress-strain state on the basis of the system redundancy and self-organization. The variation in loads on composite beams of bridge spans during a long operation, is considered herein.Purpose: The aim of this work is to develop a methodology for estimation of durability of composite beams as self-organized systems under load.Research findings: It is shown that redundant composite beams increase their durability and technical utilization.Practical implications: Durability of composite beams with regard to the yield strength delay.

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