4.4 Article

Deformation Maps for Bolted T-Stubs

期刊

JOURNAL OF STRUCTURAL ENGINEERING
卷 146, 期 5, 页码 -

出版社

ASCE-AMER SOC CIVIL ENGINEERS
DOI: 10.1061/(ASCE)ST.1943-541X.0002584

关键词

T-stubs; Eurocode 3; Deformation maps; Failure modes; Joints

资金

  1. Ministry of Defence, UK (David Manley-DE&S Sea Systems Group)
  2. QinetiQ (Robert Ball-Structures and Survivability, Platform Design and Life Support IDT)

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Deformation maps on the plastic and ultimate failure of T-stubs with a single bolt-row in tension are developed. The maps condense a large body of information within a two-dimensional parameters space onto which different modes of deformation, including the regime boundaries, are plotted for any practical combination of geometric and material properties encountered in a T-stub. Its fidelity is demonstrated with experimental data from literature and through a detailed parametric investigation by high-fidelity finite-element analysis. The predictive capability of two existing analytical models is also compared against predictions by the finite-element model. Their shortcomings and applicability are critically assessed and discussed. (C) 2020 American Society of Civil Engineers.

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