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Block shear strength of high strength steel staggered bolted connections

Autor(en): (Department of Building and Real Estate The Hong Kong Polytechnic University Hong Kong China)
(Department of Building and Real Estate The Hong Kong Polytechnic University Hong Kong China)
(Chinese National Engineering Research Centre for Steel Construction (Hong Kong Branch) The Hong Kong Polytechnic University Hong Kong China)
(Department of Building and Real Estate The Hong Kong Polytechnic University Hong Kong China)
Medium: Fachartikel
Sprache(n): Englisch
Veröffentlicht in: ce/papers, , n. 3-4, v. 6
Seite(n): 1281-1286
DOI: 10.1002/cepa.2244
Abstrakt:

This paper presents an experimental and numerical study of block shear strength of staggered bolted connections made of high strength steel (HSS). The study aims to examine the effect of low ductility and low tensile‐to‐yield strength ratio of HSS material on the behaviour and block shear strength of staggered bolted connections. Two Q690 HSS staggered bolted connections were tested and failed in block shear failure, which was characterised by tension fracture of the staggered net tension plane and significant shear deformation along the shear plane. The test observations were further interpreted by finite element (FE) analysis. The test results and FE analysis indicate that the block shear failure mechanism of staggered bolted connections is the fracture of the staggered net tension plane combined with the yielding of the effective shear plane. Finally, the design methods in various design codes for evaluating the block shear strength of bolted connections were assessed and the results showed that the existing design methods provided inconsistent predictions of the block shear strength of HSS staggered bolted connections. More experimental and numerical works are currently in progress to further understand the block shear strength of HSS staggered bolted connections.

Structurae kann Ihnen derzeit diese Veröffentlichung nicht im Volltext zur Verfügung stellen. Der Volltext ist beim Verlag erhältlich über die DOI: 10.1002/cepa.2244.
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  • Reference-ID
    10766959
  • Veröffentlicht am:
    17.04.2024
  • Geändert am:
    17.04.2024
 
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