Numerical evaluation of the flange thickness effect on the contact stress and prying action in T-Stub steel connection

被引：3
|
作者：
Bezerra, L. M. [1 ]
de Freitas, C. S. [1 ]
Matias, W. T. [1 ]
Carmona, J. E. [1 ]
机构：
[1] Univ Brasilia UnB, Dept Engn Civil & Ambiental, BR-70910900 Brasilia, DF, Brazil
来源：
REVISTA INTERNACIONAL DE METODOS NUMERICOS PARA CALCULO Y DISENO EN INGENIERIA | 2014年 / 30卷 / 01期
关键词：
T-Stub" connections; Contact stresses; Prying action; Stresses on bolts;
D O I：
10.1016/j.rimni.2012.07.005
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper presents a numerical study of T-Stubs steel connections using FEM analyses. In such connections prying action phenomenon may take place. Prying action effect on the bolts has been studied before but the location of the prying action forces has always been simplified. The effect of the thickness of T-Stubs flanges on contact areas between flanges and support base is investigated in this paper. A 3D finite element model is used and interface elements are employed for the investigation. Nonlinear FE analyses are undertaken on connection with different flange thickness and bolt preload with two bolts. Nonlinear gap elements are used as interfaces. Discussion and conclusions on contact areas and stresses, prying action distributions and resultant of loads on bolts in the T-Stub connections are presented. (C) 2012 CIMNE (Universitat Politecnica de Catalunya). Published by Elsevier Espana, S.L. All rights reserved.
引用
收藏
页码：11 / 19
页数：9
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