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Numerical parametric evaluation of ultimate resistance of high-strength bolts

Title
Numerical parametric evaluation of ultimate resistance of high-strength bolts
Type
Article in International Scientific Journal
Year
2023
Authors
Li, J
(Author)
Other
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Xin, H
(Author)
Other
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Wang, Z
(Author)
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Veljkovic, M
(Author)
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Bingzhen, Z
(Author)
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Zhao, J
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Journal
Title: StructuresImported from Authenticus Search for Journal Publications
Vol. 56
Publisher: Elsevier
Indexing
Publicação em ISI Web of Knowledge ISI Web of Knowledge
Publicação em Scopus Scopus - 0 Citations
Other information
Authenticus ID: P-00Y-W2Y
Abstract (EN): High strength bolts are widely used in the engineering field due to their good compressive properties. Accurate assessment of the ultimate capacity performance of high strength bolts under combined loading is essential to ensure the safety of steel structures in the connection zone. Existing studies are not sufficiently clear on the economic and condition-specific limits on the effects of various factors on high-strength bolts under complex stress conditions. In response to these problems, the aim of this paper is to analyse the effects of different factors on the load-bearing performance of high-strength bolts on the basis of numerical simulations. The mesoscale critical plastic strain (MCEPS) method was used on the model fracture and the accuracy of the model evaluation was verified. The effects of grade, type, diameter and bolt hole clearance on the ductile fracture behaviour of high-strength bolts were investigated. It was found that fully threaded bolts and through-hole clearances can mainly affect the load-bearing properties of high-strength bolts and increase the bolt's fracture-deformation capacity. The load-bearing performance of high-strength bolts under the influence of different factors was also compared with the Eurocode design (EC3) predictions. © 2023
Language: English
Type (Professor's evaluation): Scientific
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