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RESEARCH PAPERS

Design Criteria for Bolted Connection Elements in Aluminum Alloy 6061

[+] Author and Article Information
C. C. Menzemer, L. Fei

Department of Civil Engineering, The University of Akron, Akron, Ohio 44325

T. S. Srivatsan

Department of Mechanical Engineering, The University of Akron, Akron, Ohio 44325-3903

J. Mech. Des 121(3), 348-358 (Sep 01, 1999) (11 pages) doi:10.1115/1.2829467 History: Received March 01, 1998; Revised May 01, 1999; Online December 11, 2007

Abstract

Plates frequently find use as connecting elements in structures built from aluminum alloys. Many structural elements employ mechanical fasteners. Design of connections necessitates that due consideration be given to: (a) bolt or rivet failure, (b) progressive bearing distress of material adjacent to the fastener(s), (c) net-section tensile failure, and (d) tear out of the fastener group(s). Current design provisions for block shear failures of bolted and riveted joints in aluminum-based alloys make use of models initially developed for structural steels or, alternatively, fail to address an estimation of joint capacity. Shear failure of aluminum connecting elements is the focus of this paper. An experimental and analytical program was undertaken with the objective of studying block shear failure of aluminum connecting elements. Twenty aluminum alloy 6061-T6 gusset plates, representing four different bolt patterns, were mechanically deformed. Models to estimate the capacity of the joints are examined and compared with experimental results. Strain distribution around the periphery of the connections were measured and compared to finite element predictions. The correlations between the design models and experimental observations are highlighted.

Copyright © 1999 by The American Society of Mechanical Engineers
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