Calculation of stress-strain state and durability of welded joints of frame assemblies with regard to residual stresses
https://doi.org/10.21285/2227-2917-2025-1-31-43
EDN: BOHOQA
Abstract
Internal stresses may occur in any technological process of manufacturing structures. In the 1930s, when welding became the major type of jointing, interest in studying these stresses intensified. Research into the strength of welded joints required elucidation of the mechanism of occurrence and development of welding stresses and deformations. The operation of industrial buildings with reinforced steel structures has shown that static loads in isolation rarely cause destruction of frame element assemblies. However, in case of prolonged exposure to dynamic loads, it is the welded joints fixing reinforcement elements that break most frequently. Residual stresses arising after various impacts on the deformed body have a significant role in determining the durability and dimensional accuracy of products. Metal with residual stresses contains areas of elastic deformations of opposite signs. When the product is cut or the surface layer is removed, macro stresses are elastically removed. The determination of residual stresses by a mechanical method is based on the measurement of the as-caused strains, which allows their magnitude and sign to be calculated. In this work, we investigate the effect of residual welding stresses on the service life of reinforced frame assemblies under dynamic loads. The analysis was carried out using numerical simulation in the Ansys software environment.
About the Authors
A. Q. Al-Sabaeei
Belgorod State Technological University named after V.G. Shukhov
Russian Federation
Competing Interests:
Russian Federation
Arafat Q. Al-Sabaeei, Assistant. of the Department Urban Construction and Economy
46 Kostyukova St., Belgorod 308012
Competing Interests:
The authors declare no conflict of interests
V. E. Absimetov
Belgorod State Technological University named after V.G. Shukhov
Russian Federation
Competing Interests:
Russian Federation
Vladimir E. Absimetov, Dr. Sci. (Eng.), Professor of the Department Urban Construction and Economy
46 Kostyukova St., Belgorod 308012
Competing Interests:
The authors declare no conflict of interests
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Review
For citations:
Al-Sabaeei A.Q., Absimetov V.E. Calculation of stress-strain state and durability of welded joints of frame assemblies with regard to residual stresses. Izvestiya vuzov. Investitsii. Stroitelstvo. Nedvizhimost. 2025;15(1):31-43. (In Russ.) https://doi.org/10.21285/2227-2917-2025-1-31-43. EDN: BOHOQA
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