Experimental Analysis of the Nonlinear Normal Static Stiffness of Bolted Joints

Li Gang Cai; Feng Wang; Tie Neng Guo; Jing Jing Wang; Peng Qiao

doi:10.4028/www.scientific.net/AMM.395-396.1104

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 395-396Experimental Analysis of the Nonlinear Normal...

Experimental Analysis of the Nonlinear Normal Static Stiffness of Bolted Joints

Abstract:

The normal static stiffness plays an important role in the whole connection of bolted joints. Both the design and the connection quality are depended on the normal static stiffness. But the nonlinear characteristics of its normal static stiffness is not well explained. An experimental test is developed herein to clarify the influence of the jointed surfaces. And the nonlinear effect of jointed surfaces of bolted members has been separated from the total stiffness. The nonlinear relation between the extensile force and the joints’ stiffness in the jointed surfaces under different preloads has been extracted through the experiment.

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Periodical:

Applied Mechanics and Materials (Volumes 395-396)

Pages:

1104-1109

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.395-396.1104

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Online since:

September 2013

Authors:

Li Gang Cai, Feng Wang, Tie Neng Guo, Jing Jing Wang, Peng Qiao

Keywords:

Bolted Joints, Nonlinear Characteristics, Normal Static Stiffness

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