A parametric stress analysis of T/Y and K square-to-square and square-to-round tubular joints subjected to axial loads, in-plane and out-of-plane bending moments has been performed using the finite element technique in order to provide a sound basis for using such sections in the design of complex structures. The results of this analysis are presented as a set of 42 equations expressing the stress concentration factor as a function of the relevant geometric parameters for various loading conditions. A comparison is made between the results obtained for square-to-square and square-to-round tubular joints and those obtained for round-to-round tubular joints by other researchers. In general, the stress concentration factors obtained from round-to-round and square-to-round tubular joints are closer as compared with those of the corresponding square-to-square tubular joints. Moreover, the stress concentration factors for square-to-square tubular joints are generally lower than those of the corresponding round-to-round and square-to-round tubular joints when the joints are subject to axial loads; but the reverse is true when the joints are subject to in-plane bending moments. However, the stress concentration factors for the three types of joint are comparable when they are subject to out-of-plane bending moments.
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August 1992
Research Papers
Stress Concentrations in T/Y and K Square-to-Square and Square-to-Round Tubular Joints
A. K. Soh,
A. K. Soh
School of Mechanical and Production Engineering, Nanyang Technological University, Singapore, Republic of Singapore
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C. K. Soh
C. K. Soh
School of Civil and Structural Engineering, Nanyang Technological University, Singapore, Republic of Singapore
Search for other works by this author on:
A. K. Soh
School of Mechanical and Production Engineering, Nanyang Technological University, Singapore, Republic of Singapore
C. K. Soh
School of Civil and Structural Engineering, Nanyang Technological University, Singapore, Republic of Singapore
J. Offshore Mech. Arct. Eng. Aug 1992, 114(3): 220-230 (11 pages)
Published Online: August 1, 1992
Article history
Received:
May 9, 1991
Revised:
January 21, 1992
Online:
June 12, 2008
Citation
Soh, A. K., and Soh, C. K. (August 1, 1992). "Stress Concentrations in T/Y and K Square-to-Square and Square-to-Round Tubular Joints." ASME. J. Offshore Mech. Arct. Eng. August 1992; 114(3): 220–230. https://doi.org/10.1115/1.2919974
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