Stress-Concentration Factors in Circular Hollow Section and Square Hollow Section T-Connections: Experiments, Finite-Element Analysis, and Formulas
作者： L. W. Tong , H. Z. Zheng , F. R. Mashiri , X. L. Zhao
DOI: 10.1061/(ASCE)ST.1943-541X.0000759
关键词:
摘要: AbstractNodal T-connections made up of circular hollow section (CHS) braces and square (SHS) chords (CHS-SHS T-connections) have the advantage that they do not require complex brace end preparation when compared with CHS-CHS T-connections. The stress-concentration factors (SCFs) in CHS-SHS also been found to be lower than those SHS-SHS by previous researchers. At present, no parametric equations developed for determination SCFs design In this investigation, eight unique nondimensional parameters were strain gauged strain-concentration (SNCFs) therefore SCFs. A three-dimensional finite-element model was then using ANSYS software simulate stress distribution at brace-chord welded interface under axial force in-plane bending brace. Validation carried out comparing SNCFs determined from expe...
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