COLLAPSE OF TUBES BY EXTERNAL PRESSURE

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Description

The problem of tube collapse by external pressure has been investigated experimentally. A graphical solution developed to simplify inelastic collapse design problems was shown to agree with the test results. The von Karman reduced modulus was used in the graphical solution to correct for the stress redistribution caused by yielding. The effects of the geometric imperfections of ovality and wall thickness variations on collapse pressure were shown to be related to the stress-strain behavior of the material. The concept of a critical time'' was discussed in regard to creep-buckling phenomenon. (auth)

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Pages: 30

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Kennedy, C.R. & Venard, J.T. April 17, 1962.

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Description

The problem of tube collapse by external pressure has been investigated experimentally. A graphical solution developed to simplify inelastic collapse design problems was shown to agree with the test results. The von Karman reduced modulus was used in the graphical solution to correct for the stress redistribution caused by yielding. The effects of the geometric imperfections of ovality and wall thickness variations on collapse pressure were shown to be related to the stress-strain behavior of the material. The concept of a critical time'' was discussed in regard to creep-buckling phenomenon. (auth)

Physical Description

Pages: 30

Source

  • Other Information: Orig. Receipt Date: 31-DEC-63

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  • Report No.: ORNL-TM-166
  • Grant Number: W-7405-ENG-26
  • DOI: 10.2172/4762291 | External Link
  • Office of Scientific & Technical Information Report Number: 4762291
  • Archival Resource Key: ark:/67531/metadc1029024

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • April 17, 1962

Added to The UNT Digital Library

  • Oct. 18, 2017, 7:39 a.m.

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  • Oct. 23, 2017, 12:23 p.m.

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Kennedy, C.R. & Venard, J.T. COLLAPSE OF TUBES BY EXTERNAL PRESSURE, report, April 17, 1962; Oak Ridge, Tennessee. (digital.library.unt.edu/ark:/67531/metadc1029024/: accessed November 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.