The nonlinear deformation behavior of clamped bolted joints under a separating service load is investigated using finite element and experimental techniques. Although the materials for the bolted joint remain in the linear elastic range, the interface contact area between the clamped plates is sensitive to both the magnitude and the location of the separating force. This often causes nonlinear deformation behavior of the bolted joint. This finite element analysis study investigates the variation in the tension of a tightened bolt and the corresponding change in the joint clamp load due to a separating service load that is placed at various distances from the bolt center. The separating force is symmetrically placed at locations (from the bolt center) that are equal to 3–5 times the nominal diameter of the bolt. Experimental verification of the finite element results is provided.
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April 2011
Research Papers
Nonlinear Deformation Behavior of Clamped Bolted Joints Under a Separating Service Load
Sayed A. Nassar,
Sayed A. Nassar
Fellow ASME
Department of Mechanical Engineering, Fastening and Joining Research Institute,
Oakland University
, Rochester, MI 48309
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Xianjie Yang,
Xianjie Yang
Department of Mechanical Engineering, Fastening and Joining Research Institute,
Oakland University
, Rochester, MI 48309
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Satya Vijay Teja Gandham,
Satya Vijay Teja Gandham
Department of Mechanical Engineering, Fastening and Joining Research Institute,
Oakland University
, Rochester, MI 48309
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Zhijun Wu
Zhijun Wu
Department of Mechanical Engineering, Fastening and Joining Research Institute,
Oakland University
, Rochester, MI 48309
Search for other works by this author on:
Sayed A. Nassar
Fellow ASME
Department of Mechanical Engineering, Fastening and Joining Research Institute,
Oakland University
, Rochester, MI 48309
Xianjie Yang
Department of Mechanical Engineering, Fastening and Joining Research Institute,
Oakland University
, Rochester, MI 48309
Satya Vijay Teja Gandham
Department of Mechanical Engineering, Fastening and Joining Research Institute,
Oakland University
, Rochester, MI 48309
Zhijun Wu
Department of Mechanical Engineering, Fastening and Joining Research Institute,
Oakland University
, Rochester, MI 48309J. Pressure Vessel Technol. Apr 2011, 133(2): 021001 (9 pages)
Published Online: February 9, 2011
Article history
Received:
July 14, 2008
Revised:
December 5, 2008
Online:
February 9, 2011
Published:
February 9, 2011
Citation
Nassar, S. A., Yang, X., Gandham, S. V. T., and Wu, Z. (February 9, 2011). "Nonlinear Deformation Behavior of Clamped Bolted Joints Under a Separating Service Load." ASME. J. Pressure Vessel Technol. April 2011; 133(2): 021001. https://doi.org/10.1115/1.4002674
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