Institute of Physics of Materials AS CR, v. v. i. > Projects > Influence of material properties of high strength steels on durability of engineering structures and bridges

Influence of material properties of high strength steels on durability of engineering structures and bridges

Investigatordoc. Ing. Stanislav Seitl, Ph.D.
Number of Project21-14886S
AgencyGrantová agentura České republiky
Duration2021-07-01 - 2024-06-30

The aim of the project is to provide new findings on the material properties, durability and reliability of selected types of load bearing structural members made of HSS and develop reliable, theoretically based simulation tools for time-dependent analysis of the durability and reliability of members of load bearing engineering structures and bridges exposed to repeated loading. The phenomena of fatigue damage having regard to corrosion will be examined using experiments and stochastic and numerical simulations. New alternative approaches based on the Scalable Probabilistic Approximation method will be developed, which will make it possible to evaluate the fatigue resistance of corrosion-damaged details without the need for destructive sampling. New computer models and numerical methods for time dependent durability and reliability analysis will be developed. In contrast to commonly used ad-hoc approaches to solving problems of the service life of new and existing structures, the uniqueness of the proposed project lies in the merging of all named aspects into an integrated framework.



Malíková (Šestáková) L., Doubek P., Juhászová T., Klusák J., Seitl S.: Interaction of a fatigue crack and a corrosion dimple in a high-strength steel specimen. Procedia Struct. Integr. 42 (2022) 1082-1089

Malíková (Šestáková) L., Miarka P., Doubek P., Seitl S.: Influence of the interphase between laser-cladded metal layer and steel substrate on the fatigue propagation of a short edge crack. Frattura ed Integrita Strutturale 59 (2022) 514-524

Kozáková K., Fintová S., Klusák J.: Fatigue life of notches: an effect of manufacturing. Procedia Struct. Integr. 42 (2022) 270-275

Doubek P., Malíková (Šestáková) L., Seitl S.: Analysis of the material properties in the vicinity of bi-material interface made by the laser cladded protective layer on the S960. Procedia Struct. Integr. 42 (2022) 1529-1536

Malíková (Šestáková) L., Doubek P., Juhászová T., Seitl S.: Fracture Parameters of a Perpendicular Crack With its Tip Close to a Corrosion Pit. Trans. VSB TU Ostrava Ser. 22 (2022) 30-34


Kozáková K., Klusák J.: The Prediction of Fatigue Life of Notched Specimens. Trans. VSB TU Ostrava Ser. 21 (2021) 29-35