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RESEARCH PAPERS

Stresses of Thick Perforated Plates With Reinforcement of Tubes and Their Effective Elastic Constants

[+] Author and Article Information
K. C. Hwang, M. D. Xue, X. F. Wen

Tsinghua University, Beijing, People’s Republic of China

G. Chen

Huaqiao University, Quanzhou, Fujian, People’s Republic of China

J. Pressure Vessel Technol 114(3), 271-279 (Aug 01, 1992) (9 pages) doi:10.1115/1.2929041 History: Received January 02, 1991; Revised February 14, 1992; Online June 17, 2008

Abstract

Based on the concept of equivalent solid plate, this paper deals with thick perforated plates with triangular or square patterns of holes reinforced by tubes. The results obtained show that the tubes connected (by welding or expanding) to the perforated plates lead to a noticeable stiffening effect which is neglected or considerably underestimated by current design codes. The stresses of tubesheets calculated based on the effective elastic constants given by this method are in better agreement with the experimental results than those based on the effective elastic constants given by current codes.

Copyright © 1992 by The American Society of Mechanical Engineers
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