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Research Papers: Codes and Standards

Protection Against Local Failure for Impulsively Loaded Vessels

[+] Author and Article Information
Alan M. Clayton

A M Clayton, Ltd.,
Warrington WA2 0TG, UK
e-mail: amclayton@btinternet.com

Thomas A. Duffey

Consulting Engineer
Life Mem. ASME
PO Box 1239,
Tijeras, NM 87059
e-mail: tduffey2@aol.com

1Corresponding author.

Contributed by the Pressure Vessel and Piping Division of ASME for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received October 30, 2013; final manuscript received March 21, 2014; published online September 15, 2014. Assoc. Editor: Kunio Hasegawa.

J. Pressure Vessel Technol 137(1), 011101 (Sep 15, 2014) (4 pages) Paper No: PVT-13-1184; doi: 10.1115/1.4027307 History: Received October 30, 2013; Revised March 21, 2014

Significant changes have been incorporated in design limits for pressurized vessels in Section VIII, Division 3 of the ASME Code, starting in 2007. There is now a local damage-mechanics based strain-exhaustion limit as well as a separate global plastic collapse limit. In addition, Code Case 2564 (Sec. VIII, Div 3) has recently been approved to address impulsively loaded vessels. Recent studies (Nakamura, T., Kaguchi, H., and Kubo, S., 2000, “Failure Strain of Thin Cylindrical Vessel Subjected to Dynamic Internal Pressure,” Design and Analysis of Pressure Vessels and Piping, Vol. 399, R. Baliga, ed., pp. 47–54 and Duffey, T. A., 2011, “Plastic Instabilities in Spherical Vessels for Static and Dynamic Loading,” ASME J. Pressure Vessel Technol., 133(5), p. 051210) have shown that local strain limits play a particularly important role for these impulsively loaded vessels. In this paper, the new local strain-exhaustion procedure, originally intended for static-pressure-loaded vessels, is evaluated for adequacy in conservatively predicting failure for impulsively loaded vessels. Based upon symmetrically loaded cylindrical shell geometry, it is found that direct extension of the new local failure rules in the ASME Code to impulsively loaded vessels is unconservative. However, a hoop-strain local failure criterion predicts failures reasonably well.

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References

Nakamura, T., Kaguchi, H., and Kubo, S., 2000, “Failure Strain of Thin Cylindrical Vessel Subjected to Dynamic Internal Pressure,” Design and Analysis of Pressure Vessels and Piping, Vol. PVP-399, R.Baliga, ed., ASME, New York, pp. 47–54.
Duffey, T. A., 2011, “Plastic Instabilities in Spherical Vessels for Static and Dynamic Loading,” ASME J. Pressure Vessel Technol., 133(5), p. 051210. [CrossRef]
Schleyer, G. K., and Rushton, N. J., 2013, “Experimental Investigation of Large Plastic Deformation and Fracture in Explosively Loaded Open-Ended Steel Cylinders,” Comput. Methods Exp. Meas., 1(1), pp. 1–16. [CrossRef]
Rushton, N., 2011, “Failure of Open-Ended Mild Steel Cylinders Under Impulsive Loading,” Presentation to ASME Task Group on Impulsively Loaded Vessels, Baltimore, MD.
Wise, W. R., and Proctor, J. F., 1965, “Explosion Containment Laws for Nuclear Reactor Vessels,” US Naval Ordnance Laboratory, White Oak, MD, NOLTR 63-140.
McClintock, F. A., 1968, “A Criterion for Ductile Failure by the Growth of Holes,” ASME J. Appl. Mech., 35(2), pp. 363–371. [CrossRef]
Angeles Herrera, D., and Gonzalez Velazquez, J. L., 2009, “Fatigue Crack Growth in SAW Welded Joints of API 5L Steel Pipe in the Short Radial Direction,” Adv. Mater. Res., 65, pp. 9–18. [CrossRef]
Rushton, N., 2013, private communication.
ISO 2566-1, 1984, “Steel—Conversion of Elongation Values—Part 1: Carbon and Low Alloy Steels.”
ISO 2566-2, 1984, “Steel—Conversion of Elongation Values—Part 2: Austenitic Steels.”

Figures

Grahic Jump Location
Fig. 1

Seamless tube from Ref. [4] showing doubly curved shape following explosive testing

Grahic Jump Location
Fig. 2

Membrane stresses in tube

Grahic Jump Location
Fig. 3

The variation of triaxiality factor (TF), the accumulated strain (ep), and damage (D) according to KD-232 in a tube of X-42 pipeline steel [8]

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