Effectiveness of Wear Plate at the Saddle Support

[+] Author and Article Information
Ong Lin Seng

Nanyang Technological University, School of Mechanical and Production Engineering, Singapore

J. Pressure Vessel Technol 114(1), 12-18 (Feb 01, 1992) (7 pages) doi:10.1115/1.2929004 History: Received June 30, 1988; Revised August 14, 1990; Online June 17, 2008


A theory is presented to analyze the effectiveness of incorporating a wear plate at the saddle support of a cylindrical pressure vessel. The wear plate can be either welded to the vessel or of loose fitting. The theory is based on a contact stress formulation together with the use of a cylindrical shell bending theory for simply supported cylinder. The effectiveness of the wear plate in reducing the peak circumferential saddle-horn stress is quantified by definition of a stress reduction factor. Parametric data are carried out for the saddle angle of 120 deg. From the study, the optimum thickness of the wear plate for three different angular extensions, are obtained.

Copyright © 1992 by The American Society of Mechanical Engineers
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