Design of FRP tanks and pressure vessels is based on criteria developed in the late 1960s using materials and procedures that represented the state of the art at the time. Maximum strain has been the controlling factor selected for the design of these vessels at an allowable level of 0.001. With the development of newer materials and systems with recorded performances of better than 0.001 this is now an inefficient limit in the design. Tests performed in the programs described in this paper indicate that newer materials perform well at higher strains. Results of strength tests performed here indicated that strains of 0.002 to 0.003 or better are possible in the safe design of tanks and pressure vessels. In addition, more accurate determination of design limits is possible if methods like acoustic emission are incorporated in the design process.
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Nondestructive Evaluation of FRP Design Criteria With Primary Consideration to Fatigue Loading
Guillermo Ramirez,
Guillermo Ramirez
University of Kansas, Department of Civil Architectural and Environmental Engineering, Learned Hall, 1530 West 15th Street, Room 2006, Lawrence, KS 66045
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Paul H. Ziehl,
Paul H. Ziehl
Tulane University, Department of Civil and Environmental Engineering, 206 Civil Engineering Building, New Orleans, LA 70118
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Timothy J. Fowler
Timothy J. Fowler
The University of Texas at Austin, Department of Civil Engineering, Ferguson Structural Engineering Laboratory, 10100 Burnet Road, Building No. 177, Austin, TX 78731
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Guillermo Ramirez
University of Kansas, Department of Civil Architectural and Environmental Engineering, Learned Hall, 1530 West 15th Street, Room 2006, Lawrence, KS 66045
Paul H. Ziehl
Tulane University, Department of Civil and Environmental Engineering, 206 Civil Engineering Building, New Orleans, LA 70118
Timothy J. Fowler
The University of Texas at Austin, Department of Civil Engineering, Ferguson Structural Engineering Laboratory, 10100 Burnet Road, Building No. 177, Austin, TX 78731
Contributed by the Pressure Vessels and Piping Division for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received by the PVP Division October 9, 2002; revision received June 26, 2003. Associate Editor: J. L. Rose.
J. Pressure Vessel Technol. May 2004, 126(2): 216-228 (13 pages)
Published Online: May 5, 2004
Article history
Received:
October 9, 2002
Revised:
June 26, 2003
Online:
May 5, 2004
Citation
Ramirez, G., Ziehl, P. H., and Fowler, T. J. (May 5, 2004). "Nondestructive Evaluation of FRP Design Criteria With Primary Consideration to Fatigue Loading ." ASME. J. Pressure Vessel Technol. May 2004; 126(2): 216–228. https://doi.org/10.1115/1.1688371
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